.page-products {
  --p-soft-cyan: rgba(34, 224, 214, .08);
  --p-soft-red: rgba(225, 42, 74, .08);
  --p-soft-orange: rgba(255, 138, 61, .12);
  --p-grid: rgba(30, 58, 110, .28);
}

.page-products .products-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(90deg, var(--p-grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--p-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  overflow: hidden;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% 40%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(34, 224, 214, .16), transparent 72%);
  pointer-events: none;
}

.page-products .products-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .products-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.06;
  font-size: clamp(34px, 6.4vw, 74px);
  color: var(--text);
}

.page-products .products-hero__lead {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero-card {
  align-self: start;
  padding: 20px;
}

.page-products .hero-facts {
  margin: 18px 0 0;
  padding: 0;
}

.page-products .hero-facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.page-products .hero-facts__row dt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-products .hero-facts__row dd {
  margin: 0;
  font-size: 13px;
  color: var(--cyan);
  text-align: right;
  word-break: break-all;
}

/* ---------- 流程骨架 ---------- */
.page-products .products-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-products .products-flow__body {
  min-width: 0;
}

.page-products .step-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  margin: 0 0 8px;
  padding: 10px 0;
  background: rgba(6, 11, 24, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.page-products .step-rail__label {
  display: none;
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-products .step-rail__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 2px solid var(--graphite);
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color 120ms var(--ease), border-color 120ms var(--ease), background 120ms var(--ease);
}

.page-products .step-rail__num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  transition: color 120ms var(--ease);
}

.page-products .step-rail__item:hover,
.page-products .step-rail__item:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
}

.page-products .step-rail__item[data-active="true"] {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--p-soft-cyan);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-products .step-rail__item[data-active="true"] .step-rail__num {
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-products .products-sec {
  padding-top: clamp(36px, 6vw, 68px);
  padding-bottom: clamp(36px, 6vw, 68px);
}

.page-products .products-sec h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.2;
  font-size: clamp(24px, 3.6vw, 38px);
  color: var(--text);
}

.page-products .products-sec .prose {
  margin-top: 16px;
  color: var(--text-dim);
}

/* ---------- 走偏原因 ---------- */
.page-products .reason-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .reason {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px;
  border: 2px solid var(--graphite);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .reason__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .04em;
}

.page-products .reason__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-products .reason__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .reason__fix {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--text) !important;
  font-size: 14px !important;
}

.page-products .reason__fix .mono {
  padding: 2px 8px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
}

/* ---------- 图片 ---------- */
.page-products .flow-figure,
.page-products .device-figure,
.page-products .step-sec__figure--inline {
  margin: clamp(28px, 5vw, 52px) 0;
}

.page-products .figure__media {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background-color: var(--panel);
  background-image:
    linear-gradient(90deg, var(--p-grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--p-grid) 1px, transparent 1px);
  background-size: 32px 32px;
}

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

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 步骤块 ---------- */
.page-products .step-sec__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-products .step-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--orange);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  color: #0A1120;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-products .step-sec__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  margin-top: 26px;
  align-items: start;
}

.page-products .step-sec__text {
  min-width: 0;
}

.page-products .step-sec__text .prose {
  margin-top: 0;
}

.page-products .step-sec__figure {
  margin: 0;
}

.page-products .step-sec__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

/* ---------- 步骤动作 ---------- */
.page-products .step-actions {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .step-actions li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .step-actions__no {
  padding: 3px 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-products .step-actions p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 偏差提示 ---------- */
.page-products .deviation {
  margin-top: 22px;
  padding: 14px 18px;
  border-left: 4px solid var(--red);
  background: var(--p-soft-red);
}

.page-products .deviation__label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--red);
}

.page-products .deviation p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .deviation a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 通道索引列表 ---------- */
.page-products .channel-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .channel-list li a {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}

.page-products .channel-list li a:hover,
.page-products .channel-list li a:focus-visible {
  background: var(--p-soft-cyan);
  color: var(--text);
}

.page-products .channel-list .mono {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-products .channel-list strong {
  color: var(--text);
  font-weight: 700;
}

.page-products .channel-list__item--current a {
  background: var(--p-soft-orange);
  box-shadow: inset 3px 0 0 0 var(--orange);
}

.page-products .channel-list__item--current .mono {
  color: var(--orange);
}

/* ---------- 状态列表 ---------- */
.page-products .state-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .state {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  border: 2px solid var(--graphite);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .state__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--ds, var(--cyan));
  box-shadow: 0 0 12px var(--ds, var(--cyan));
}

.page-products .state--ok { --ds: var(--cyan); }
.page-products .state--wait { --ds: var(--orange); }
.page-products .state--bad { --ds: var(--red); }

.page-products .state h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
}

.page-products .state p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 处理顺序 ---------- */
.page-products .recover {
  margin-top: 26px;
  padding: 18px;
  border: 2px solid var(--line);
  background: var(--panel-2);
}

.page-products .recover__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .recover__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .recover__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .recover__no {
  padding: 2px 8px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: 11px;
  letter-spacing: .06em;
}

/* ---------- 设备对照表 ---------- */
.page-products .device-scroll {
  margin-top: 26px;
}

.page-products .device-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .device-table thead th {
  padding: 12px 14px;
  background: var(--panel-2);
  border-bottom: 2px solid var(--graphite);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  font-weight: 500;
  color: var(--cyan);
  text-align: left;
}

.page-products .device-table tbody th {
  padding: 14px;
  width: 22%;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-weight: 700;
  color: var(--text);
  text-align: left;
  vertical-align: top;
}

.page-products .device-table tbody td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

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

/* ---------- 走不通条目 ---------- */
.page-products .pitfall-list {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-products .pitfall {
  border: 2px solid var(--graphite);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .pitfall summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

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

.page-products .pitfall summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-products .pitfall[open] summary::after { content: "－"; }

.page-products .pitfall summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-products .pitfall[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-products .pitfall__no {
  flex: none;
  padding: 2px 8px;
  border: 1px solid var(--red);
  color: var(--red);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-products .pitfall__body {
  padding: 14px 18px 18px;
}

.page-products .pitfall__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 收尾 ---------- */
.page-products .products-outro {
  margin-top: clamp(32px, 5vw, 60px);
  margin-bottom: clamp(40px, 7vw, 88px);
  padding: clamp(32px, 5vw, 56px) clamp(18px, 3vw, 36px);
  border: 2px solid var(--graphite);
  border-top: 2px solid var(--cyan);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(34, 224, 214, .12), transparent 60%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow-hard);
}

.page-products .products-outro__title {
  margin: 0 0 24px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.015em;
  font-size: clamp(22px, 3.2vw, 32px);
  color: var(--text);
}

.page-products .products-outro__grid {
  gap: 14px;
}

.page-products .outro-card {
  display: block;
  padding: 20px;
  text-decoration: none;
  color: var(--text-dim);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .outro-card:hover,
.page-products .outro-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--cyan);
}

.page-products .outro-card__no {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-products .outro-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-products .outro-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-products .outro-card__go {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .products-outro__contact {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .products-outro__contact a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-word;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .step-sec__head {
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .products-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .step-sec__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-products .step-sec__grid--flip {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-products .step-sec__figure--narrow {
    max-width: 320px;
  }

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

  .page-products .recover__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-products .products-outro__grid {
    gap: 20px;
  }
}

/* ---------- 桌面：粘性步骤轨道 ---------- */
@media (min-width: 1024px) {
  .page-products .products-flow {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-products .step-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    margin: 0;
    padding: 0;
    background: none;
    border-bottom: 0;
    backdrop-filter: none;
  }

  .page-products .step-rail__label {
    display: block;
  }

  .page-products .step-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
  }

  .page-products .step-rail__item {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-products .step-rail__item[data-active="true"] {
    box-shadow: inset 3px 0 0 0 var(--cyan), var(--shadow-hard);
  }

  .page-products .products-sec:first-of-type {
    padding-top: 0;
  }
}

/* ---------- 窄屏表格转块 ---------- */
@media (max-width: 719px) {
  .page-products .device-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .device-table,
  .page-products .device-table tbody,
  .page-products .device-table tr,
  .page-products .device-table th,
  .page-products .device-table td {
    display: block;
    width: auto;
  }

  .page-products .device-table tr {
    border: 2px solid var(--graphite);
    background: var(--panel);
    box-shadow: var(--shadow-hard);
    margin-bottom: 14px;
  }

  .page-products .device-table tbody th {
    width: auto;
    padding: 10px 14px;
    background: var(--panel-2);
    border-right: 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .08em;
    font-weight: 500;
    color: var(--cyan);
  }

  .page-products .device-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
  }

  .page-products .device-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: .1em;
    color: var(--muted);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .step-rail__item,
  .page-products .channel-list li a,
  .page-products .outro-card {
    transition: none;
  }

  .page-products .outro-card:hover,
  .page-products .outro-card:focus-visible {
    transform: none;
  }
}