.page-products {
  background: var(--cool);
  color: var(--ink);
}

/* ---------- 页头 ---------- */
.page-products__hero {
  position: relative;
  overflow: hidden;
  background: var(--indigo-deep);
  color: #fff;
  padding-block: 28px 44px;
}

.page-products__hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-products__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, rgba(14, 36, 64, .95) 0%, rgba(22, 53, 92, .86) 56%, rgba(22, 53, 92, .58) 100%);
}

.page-products__hero-inner {
  position: relative;
  z-index: 2;
}

.page-products .crumbs__link,
.page-products .crumbs__current {
  color: rgba(255, 255, 255, .72);
}

.page-products .crumbs__link:hover {
  color: var(--gold-light);
}

.page-products__hero .eyebrow {
  margin-top: 22px;
  color: var(--gold-light);
}

.page-products__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 12px 0 0;
  max-width: 22ch;
  color: #fff;
}

.page-products__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, .8);
}

.page-products__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  list-style: none;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line-invert);
}

.page-products__fact {
  font-size: 13px;
  color: rgba(255, 255, 255, .68);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-products__fact-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold-light);
}

/* ---------- 主体布局 ---------- */
.page-products__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding-block: 28px 64px;
}

.page-products__panels {
  min-width: 0;
}

/* ---------- 左侧索引 ---------- */
.page-products__rail {
  border-block: 1px solid var(--line);
  padding-block: 10px;
}

.page-products__rail .rail__title {
  display: none;
}

.page-products__rail .rail__list {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products__rail .rail__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 11px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-products__rail .rail__link:hover {
  color: var(--indigo);
  border-color: var(--indigo-mid);
}

.page-products__rail .rail__link.is-active {
  color: var(--indigo-deep);
  border-color: var(--gold);
  background: rgba(201, 150, 43, .12);
  font-weight: 700;
}

.page-products__rail .rail__num {
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 区块通用 ---------- */
.page-products__block {
  scroll-margin-top: 104px;
  padding-block: 34px;
  border-top: 1px solid var(--line);
}

.page-products__block:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-products__block-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products__block-head .eyebrow {
  color: var(--gold);
  margin: 0;
}

.page-products__block-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.22;
  letter-spacing: -.008em;
  margin: 0;
  color: var(--indigo-deep);
}

.page-products__block-intro {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: #4a5566;
}

.page-products__note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.8;
  color: #44505f;
}

/* ---------- 筛选 ---------- */
.page-products__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products__filter .filter__btn {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--gray);
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-products__filter .filter__btn:hover {
  color: var(--indigo);
  border-color: var(--indigo-mid);
}

.page-products__filter .filter__btn.is-active {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
  font-weight: 700;
}

/* ---------- 服务总览 ---------- */
.page-products__svc-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products__svc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--indigo);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-products__card:hover {
  border-top-color: var(--gold);
  transform: translateY(-2px);
}

.page-products__card.is-hidden {
  display: none;
}

.page-products__card-num {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products__card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--indigo-deep);
}

.page-products__card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5566;
}

.page-products__card-foot {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.page-products__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  padding: 3px 8px;
  background: rgba(22, 53, 92, .08);
  color: var(--indigo);
}

.page-products__copy {
  font-family: var(--font-body);
  font-size: 12px;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--gray);
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-products__copy:hover {
  color: var(--indigo);
  border-color: var(--gold);
}

.page-products__copy.is-copied {
  color: var(--jade);
  border-color: var(--jade);
}

/* ---------- 媒体件 ---------- */
.page-products__media {
  margin: 0;
}

.page-products__media .media__frame {
  position: relative;
  overflow: hidden;
  height: auto;
  padding: 0;
  aspect-ratio: auto;
  background: var(--indigo-deep);
  border: 1px solid var(--line);
}

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

.page-products__media .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products__media--wide {
  margin-top: 26px;
}

/* ---------- V4 查阅方式 ---------- */
.page-products__ways {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products__way {
  background: var(--paper);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products__way-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo-deep);
  background: var(--gold-light);
}

.page-products__way-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--indigo-deep);
}

.page-products__way-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5566;
}

/* ---------- 栏目与索引 ---------- */
.page-products__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products__col-caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products__col-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products__col-item {
  background: var(--paper);
  padding: 11px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--ink);
}

.page-products__col-item .mono {
  font-size: 11px;
  color: var(--gray);
}

.page-products__col-desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5566;
}

.page-products__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products__tag-item {
  font-size: 13px;
  padding: 5px 12px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  color: var(--indigo);
}

.page-products__col-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 适配清单 ---------- */
.page-products__desktop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products__check-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products__check {
  background: var(--paper);
  padding: 13px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background-color .16s var(--ease);
}

.page-products__check:hover {
  background: rgba(201, 150, 43, .09);
}

.page-products__check-num {
  font-size: 11px;
  color: var(--gold);
  min-width: 20px;
}

.page-products__check-text {
  font-size: 14px;
  color: var(--ink);
}

/* ---------- 更新节奏 ---------- */
.page-products__rhythm {
  border-top: 1px solid var(--line);
}

.page-products__rhythm-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-products__rhythm-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products__rhythm-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--indigo-deep);
}

.page-products__rhythm-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #4a5566;
  max-width: 66ch;
}

/* ---------- 折叠面板 ---------- */
.page-products__accordion {
  border-top: 1px solid var(--line);
}

.page-products__accordion .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-products__accordion .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 4px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--indigo-deep);
  transition: color .16s var(--ease);
}

.page-products__accordion .accordion__trigger:hover {
  color: var(--gold);
}

.page-products__accordion .accordion__icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-products__accordion .accordion__icon::before,
.page-products__accordion .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .16s var(--ease);
}

.page-products__accordion .accordion__icon::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-products__accordion .accordion__icon::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

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

.page-products__accordion .accordion__panel {
  padding: 0 4px 20px;
}

.page-products__accordion .accordion__panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: #4a5566;
}

/* ---------- 服务流程 ---------- */
.page-products__flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products__step-num {
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
  padding-top: 2px;
}

.page-products__step-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--indigo-deep);
}

.page-products__step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #4a5566;
  max-width: 66ch;
}

/* ---------- 结尾行动区 ---------- */
.page-products__cta {
  margin-top: 32px;
  padding: 24px 20px;
  background: var(--indigo);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-products__cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
  max-width: 54ch;
}

.page-products__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products__cta-actions .btn {
  text-decoration: none;
}

.page-products__cta-actions .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, .42);
}

.page-products__cta-actions .btn--ghost:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products__svc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 860px) {
  .page-products__hero {
    padding-block: 34px 58px;
  }

  .page-products__cols {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 30px;
  }

  .page-products__rhythm-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }

  .page-products__step {
    grid-template-columns: 64px minmax(0, 1fr);
  }

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

  .page-products__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 26px 28px;
  }
}

@media (min-width: 1024px) {
  .page-products__layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 56px;
    padding-block: 44px 96px;
  }

  .page-products__rail {
    position: sticky;
    top: 96px;
    align-self: start;
    border: 0;
    padding: 0;
  }

  .page-products__rail .rail__title {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--gray);
  }

  .page-products__rail .rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-products__rail .rail__link {
    display: flex;
    width: 100%;
    white-space: normal;
    padding: 9px 12px 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    background: transparent;
  }

  .page-products__rail .rail__link.is-active {
    border-left-color: var(--gold);
    background: rgba(201, 150, 43, .1);
  }

  .page-products__svc-wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-products__desktop {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-products__block {
    padding-block: 44px;
  }

  .page-products__block:first-child {
    padding-top: 0;
  }
}

@media (min-width: 1180px) {
  .page-products__ways {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products__svc-grid {
    gap: 16px;
  }
}
<<<END>>>