.page-products {
  --ch-gap: 20px;
  --ch-cell: rgba(15, 46, 51, 0.82);
  padding-bottom: 88px;
}

/* ---------- 首屏 ---------- */
.page-products .ch-hero {
  padding-top: 40px;
  padding-bottom: 56px;
}

.page-products .ch-hero h1 {
  margin: 16px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--warm-white);
}

.page-products .ch-hero__lead {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .ch-hero__stats {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .ch-stat {
  background: var(--ink-blue);
  padding: 16px 14px 18px;
}

.page-products .ch-stat__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .ch-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-mute);
}

/* ---------- 01 通道状态板 ---------- */
.page-products .ch-board {
  margin-top: 30px;
  display: grid;
  gap: 22px;
}

.page-products .ch-board__grid {
  display: grid;
  gap: 14px;
}

.page-products .ch-board__cell {
  position: relative;
  padding: 26px 18px 18px;
  background: linear-gradient(158deg, var(--ch-cell), rgba(10, 23, 48, 0.94));
  border: 1px solid var(--line-soft);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.26);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .ch-board__cell:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-products .ch-board__cell .card-tag {
  position: absolute;
  top: -1px;
  left: -1px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-blue);
  background: var(--gold);
}

.page-products .ch-board__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--warm-white);
}

.page-products .ch-board__status {
  margin: 10px 0 14px;
  font-size: 13px;
  color: var(--text-soft);
}

.page-products .ch-board__row {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

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

.page-products .ch-board__row b {
  color: var(--gold-lit);
  font-weight: 500;
}

.page-products .ch-board__media {
  margin: 0;
}

/* ---------- 02 三步流程 ---------- */
.page-products .ch-flow__media {
  margin: 26px 0 0;
}

.page-products .ch-flow {
  margin-top: 26px;
}

.page-products .ch-steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-products .ch-step {
  padding-top: 16px;
  border-top: 2px solid var(--gold-line);
}

.page-products .ch-step__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .ch-step__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--warm-white);
}

.page-products .ch-step__do {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .ch-step__look {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-products .ch-step__look b {
  color: var(--jade);
  font-weight: 500;
}

.page-products .ch-flow__tools {
  margin: 26px 0 0;
}

/* ---------- 03 排查卡 ---------- */
.page-products .ch-s3__body {
  margin-top: 26px;
  display: grid;
  gap: 24px;
}

.page-products .ch-s3__tools {
  margin: 20px 0 0;
}

.page-products .ch-s3__media {
  margin: 0;
}

.page-products .ch-accordion {
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.page-products .ch-accordion .accordion__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .ch-acc__heading {
  margin: 0;
}

.page-products .ch-acc__trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--warm-white);
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.18s var(--ease);
}

.page-products .ch-acc__trigger:hover {
  background: rgba(217, 169, 76, 0.06);
}

.page-products .ch-acc__trigger:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

.page-products .ch-acc__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .ch-acc__title {
  flex: 1 1 12em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.5;
}

.page-products .ch-acc__meta {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  font-variant-numeric: tabular-nums;
}

.page-products .ch-acc__panel {
  padding: 2px 4px 22px 4px;
}

.page-products .ch-acc__grid {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .ch-acc__grid dt {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-lit);
}

.page-products .ch-acc__grid dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 04 移动端原因 ---------- */
.page-products .ch-causes__body {
  margin-top: 26px;
  display: grid;
  gap: 28px;
}

.page-products .ch-causes__media {
  margin: 24px 0 0;
}

.page-products .ch-causes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .ch-cause {
  background: var(--ink-blue);
  padding: 22px 18px;
}

.page-products .ch-cause__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  color: var(--jade);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.page-products .ch-cause__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--warm-white);
}

.page-products .ch-cause__sign {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-products .ch-cause__do {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 05 适配范围 ---------- */
.page-products .ch-filters {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .ch-chip {
  padding: 8px 16px;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .ch-chip:hover {
  color: var(--gold-lit);
  border-color: var(--line-strong);
}

.page-products .ch-chip:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

.page-products .ch-chip.is-active {
  color: var(--ink-blue);
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .ch-table__media {
  margin: 24px 0 0;
}

.page-products .ch-table {
  width: 100%;
  min-width: 660px;
}

.page-products .ch-table__caption {
  padding: 0 0 12px;
  text-align: left;
  font-size: 13px;
  color: var(--text-mute);
}

.page-products .ch-table th,
.page-products .ch-table td {
  padding: 12px 14px;
  text-align: left;
  font-size: 13.5px;
  vertical-align: middle;
}

.page-products .ch-table tbody tr {
  border-top: 1px solid var(--line-soft);
  transition: background-color 0.16s var(--ease);
}

.page-products .ch-table tbody tr:hover {
  background: rgba(217, 169, 76, 0.08);
}

.page-products .ch-table tbody th {
  font-weight: 500;
  color: var(--warm-white);
}

.page-products .ch-table tbody td {
  color: var(--text-soft);
}

.page-products .ch-table__count {
  font-variant-numeric: tabular-nums;
  color: var(--gold-lit);
}

.page-products .ch-table tbody tr[hidden] {
  display: none;
}

/* ---------- 06 提交方式 ---------- */
.page-products .ch-submit {
  margin-top: 28px;
  padding: 26px 20px 30px;
  display: grid;
  gap: 26px;
  border: 1px solid var(--line-soft);
}

.page-products .ch-submit__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .ch-submit__list li {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .ch-submit__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .ch-submit__list b {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--gold-lit);
}

.page-products .ch-submit__list span {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .ch-submit__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .ch-submit__contact {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--warm-white);
  overflow-wrap: anywhere;
}

.page-products .ch-submit__contact a {
  color: var(--gold-lit);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .ch-submit__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-mute);
}

.page-products .ch-submit__next {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .ch-submit__next a {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--warm-white);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .ch-submit__next a:hover {
  color: var(--gold-lit);
  border-color: var(--line-strong);
}

.page-products .ch-submit__next a:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ch-board__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .ch-acc__panel {
    padding-left: 42px;
  }

  .page-products .ch-cause {
    padding: 24px 22px;
  }

  .page-products .ch-submit {
    padding: 30px 28px 34px;
  }
}

@media (min-width: 900px) {
  .page-products .ch-hero {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-products .section {
    padding-top: 64px;
  }

  .page-products .ch-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

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

  .page-products .ch-submit {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 1040px) {
  .page-products .ch-board {
    grid-template-columns: 1.35fr 0.95fr;
    align-items: start;
    gap: 34px;
  }

  .page-products .ch-board__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .ch-board__media {
    position: sticky;
    top: 32px;
  }

  .page-products .ch-s3__body {
    grid-template-columns: 1.4fr 0.75fr;
    align-items: start;
    gap: 34px;
  }

  .page-products .ch-causes__body {
    grid-template-columns: 0.95fr 1.25fr;
    align-items: start;
    gap: 38px;
  }

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

  .page-products .ch-acc__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ch-board__cell,
  .page-products .ch-chip,
  .page-products .ch-submit__next a {
    transition: none;
  }
}