.page-products {
  --pc-gap: clamp(14px, 2.2vw, 26px);
  --pc-pad: clamp(16px, 2.6vw, 30px);
  --pc-text: #D2E0EA;
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-products .dev-hero {
  position: relative;
  margin-top: var(--pc-gap);
  padding: var(--pc-pad);
  display: grid;
  gap: var(--pc-gap);
  border: 1px solid var(--line);
  background-color: var(--mid);
  background-image:
    linear-gradient(180deg, rgba(11, 39, 64, 0.96) 0%, rgba(6, 24, 38, 0.99) 100%),
    repeating-linear-gradient(0deg, rgba(69, 224, 218, 0.08) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(69, 224, 218, 0.08) 0 1px, transparent 1px 72px);
  box-shadow: 12px 12px 0 rgba(3, 10, 16, 0.55);
}

.page-products .dev-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .dev-hero h1::after {
  content: "";
  display: block;
  width: 86px;
  height: 4px;
  margin-top: 16px;
  background: var(--orange);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .hero-status {
  border: 1px solid var(--steel);
  background: rgba(3, 10, 16, 0.55);
  padding: 14px 16px 6px;
}

.page-products .status-title {
  margin: 0 0 10px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(125, 147, 166, 0.16);
  font-size: 14px;
}

.page-products .status-row:last-child {
  border-bottom: 0;
}

.page-products .status-k {
  flex: 1 1 auto;
  color: var(--fg-dim);
}

.page-products .status-v {
  color: var(--paper);
  font-size: 14px;
}

/* ---------- 章节通用 ---------- */
.page-products .sec {
  margin-top: clamp(38px, 6vw, 76px);
}

.page-products .sec-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

/* ---------- 设备分段切换 ---------- */
.page-products .dev-switch {
  border: 1px solid var(--line);
  background: rgba(11, 39, 64, 0.55);
  padding: var(--pc-pad);
}

.page-products .dev-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dev-tabs label {
  cursor: pointer;
  padding: 10px 18px;
  border: 1px solid var(--steel);
  background: rgba(3, 10, 16, 0.4);
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products #dev-m:checked ~ .dev-tabs label[for="dev-m"],
.page-products #dev-d:checked ~ .dev-tabs label[for="dev-d"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
  font-weight: 700;
}

.page-products #dev-m:focus-visible ~ .dev-tabs label[for="dev-m"],
.page-products #dev-d:focus-visible ~ .dev-tabs label[for="dev-d"] {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products #dev-m:checked ~ .dev-panels .dev-panel--d,
.page-products #dev-d:checked ~ .dev-panels .dev-panel--m {
  display: none;
}

.page-products .panel-note {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-products .cmp-list {
  margin: 0;
  display: grid;
}

.page-products .cmp-row {
  display: grid;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(125, 147, 166, 0.16);
}

.page-products .cmp-row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-products .cmp-k {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .cmp-v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 图文分栏 ---------- */
.page-products .split {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-products .text-col h3 {
  margin: 0 0 8px;
  padding-left: 12px;
  border-left: 3px solid var(--cyan);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .text-col p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pc-text);
}

.page-products .text-col p:last-child {
  margin-bottom: 0;
}

.page-products .media-col {
  margin: 0;
}

.page-products .media-col--full {
  margin: 0 0 clamp(18px, 3vw, 32px);
}

.page-products .img-frame {
  margin: 0;
  border: 1px solid var(--steel);
  background: var(--ink);
  box-shadow: 8px 8px 0 rgba(3, 10, 16, 0.5);
  overflow: hidden;
}

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

.page-products .img-cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 电脑端栏目顺序 ---------- */
.page-products .chan-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .chan-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 14px;
  background: rgba(11, 39, 64, 0.6);
  border-left: 2px solid var(--steel);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .chan-item:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 59, 92, 0.75);
}

.page-products .chan-item.is-new {
  border-left-color: var(--orange);
  background: rgba(255, 138, 61, 0.1);
}

.page-products .chan-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  padding-top: 2px;
}

.page-products .chan-name {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .chan-desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--pc-text);
}

/* ---------- 版本记录 ---------- */
.page-products .ver-scope {
  border: 1px solid var(--line);
  background: rgba(11, 39, 64, 0.42);
  padding: var(--pc-pad);
}

.page-products .ver-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .ver-filter label {
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid var(--steel);
  background: rgba(3, 10, 16, 0.45);
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products #vf-all:checked ~ .ver-filter label[for="vf-all"],
.page-products #vf-m:checked ~ .ver-filter label[for="vf-m"],
.page-products #vf-d:checked ~ .ver-filter label[for="vf-d"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
  font-weight: 700;
}

.page-products #vf-all:focus-visible ~ .ver-filter label[for="vf-all"],
.page-products #vf-m:focus-visible ~ .ver-filter label[for="vf-m"],
.page-products #vf-d:focus-visible ~ .ver-filter label[for="vf-d"] {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products #vf-m:checked ~ .ver-scroll .ver-table tbody tr:not([data-ch="m"]):not([data-ch="both"]),
.page-products #vf-d:checked ~ .ver-scroll .ver-table tbody tr:not([data-ch="d"]):not([data-ch="both"]) {
  display: none;
}

.page-products .ver-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .ver-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ver-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .ver-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(125, 147, 166, 0.16);
  vertical-align: top;
  line-height: 1.6;
  color: var(--pc-text);
}

.page-products .ver-table tbody tr:hover td {
  background: rgba(18, 59, 92, 0.5);
}

.page-products .ver-table .ver-no {
  color: var(--paper);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .ver-figure {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 三步路径 ---------- */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
}

.page-products .step {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--mid);
  border: 1px solid var(--steel);
  border-top: 3px solid var(--cyan);
  box-shadow: 6px 6px 0 rgba(3, 10, 16, 0.5);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .step h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-text);
}

.page-products .steps-figure {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .path-notes {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 10px;
}

.page-products .note {
  border: 1px solid var(--line-soft);
  background: rgba(3, 10, 16, 0.42);
}

.page-products .note summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  color: var(--paper);
}

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

.page-products .note summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .note[open] summary::before {
  content: "−";
  color: var(--orange);
}

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

.page-products .note p {
  margin: 0;
  padding: 0 16px 16px 42px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-text);
}

/* ---------- 访问问题与客服 ---------- */
.page-products .help-grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
}

.page-products .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .help-item {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .help-q {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .help-a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-text);
}

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

.page-products .help-card {
  padding: var(--pc-pad);
  border: 1px solid var(--amber);
  background: rgba(3, 10, 16, 0.62);
  box-shadow: 8px 8px 0 rgba(3, 10, 16, 0.5);
}

.page-products .help-card h3 {
  margin: 8px 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .help-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-text);
}

.page-products .help-card .copy-field {
  margin: 14px 0 12px;
}

.page-products .help-phone {
  font-size: 13.5px;
  color: var(--slate);
  margin-bottom: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cmp-row {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 44px;
    right: calc(var(--pc-gap) * -1 + 4px);
    width: calc(var(--pc-gap) - 10px);
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), rgba(69, 224, 218, 0.18));
  }
}

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

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

  .page-products .split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .split--flip .media-col {
    order: -1;
  }

  .page-products .help-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .sec-title {
    letter-spacing: -0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dev-tabs label,
  .page-products .ver-filter label,
  .page-products .chan-item {
    transition: none;
  }
}