.page-products {
  --pp-hair: rgba(247, 244, 239, .14);
}

.page-products .section {
  padding: 52px 0;
}

@media (min-width: 900px) {
  .page-products .section {
    padding: 84px 0;
  }
}

.page-products .dl-eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ink-400);
}

.page-products .dl-eyebrow .mono {
  font-size: 11px;
  color: var(--vermilion-500);
}

.page-products .sec-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-products .lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-400);
}

.page-products .sec-head {
  margin-bottom: 30px;
}

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

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--on-ink-1);
  padding: 24px 0 48px;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247, 244, 239, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 244, 239, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-products .dl-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .dl-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .14em;
}

.page-products .dl-hero .crumbs a {
  color: var(--on-ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .dl-hero .crumbs a:hover {
  color: var(--porcelain-50);
  border-bottom-color: var(--vermilion-500);
}

.page-products .dl-hero .crumbs__sep {
  color: var(--on-ink-3);
}

.page-products .dl-hero .crumbs [aria-current] {
  color: var(--porcelain-50);
}

.page-products .dl-hero__grid {
  margin-top: 24px;
  padding-top: 26px;
  border-top: 1px solid var(--pp-hair);
  display: grid;
  gap: 32px;
}

.page-products .dl-hero__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--on-ink-3);
}

.page-products .dl-hero__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--porcelain-50);
}

.page-products .dl-hero__text {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-ink-2);
}

.page-products .dl-hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .dl-hero__actions .btn--ghost {
  color: var(--porcelain-50);
  border-color: var(--pp-hair);
}

.page-products .dl-hero__actions .btn--ghost:hover {
  border-color: var(--vermilion-500);
}

.page-products .dl-hero__figure {
  margin: 0;
}

.page-products .dl-hero__figure .media__cap {
  color: var(--on-ink-3);
}

@media (min-width: 900px) {
  .page-products .dl-hero {
    padding: 32px 0 76px;
  }

  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 56px;
    align-items: center;
  }
}

/* ---------- 通道卡片 ---------- */

.page-products .chan-grid {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
  box-shadow: var(--shadow-1);
}

.page-products .chan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--porcelain-50);
  padding: 22px 20px;
}

.page-products .chan-card--lead {
  background: var(--porcelain-100);
}

.page-products .chan-card--lead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--vermilion-500);
}

.page-products .chan-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-400);
}

.page-products .chan-card__name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-products .chan-card__ver {
  margin: 0;
  font-size: 34px;
  line-height: 1;
  color: var(--ink-900);
}

.page-products .chan-card__list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-300);
}

.page-products .chan-card__list li {
  display: grid;
  gap: 3px;
}

.page-products .chan-card__key {
  font-size: 11px;
  letter-spacing: .16em;
  font-weight: 500;
  color: var(--bronze-600);
}

.page-products .chan-card__val {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-products .chan-card__foot {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line-300);
}

@media (min-width: 880px) {
  .page-products .chan-grid {
    grid-template-columns: 1fr 1fr 1.14fr;
  }
}

/* ---------- 复制按钮 ---------- */

.page-products .copy-btn {
  font: inherit;
  font-size: 12px;
  letter-spacing: .08em;
  padding: 6px 10px;
  border: 1px solid var(--line-300);
  background: transparent;
  color: var(--ink-400);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .copy-btn:hover {
  border-color: var(--bronze-600);
  color: var(--ink-900);
}

.page-products .copy-btn[data-copied] {
  border-color: var(--bronze-600);
  color: var(--bronze-600);
}

/* ---------- 五步安装 ---------- */

.page-products .dl-steps__figure,
.page-products .dl-errors__figure {
  margin: 0 0 28px;
}

.page-products .flow-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-products .flow-nav__item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line-300);
  background: var(--porcelain-50);
  font-size: 13px;
  color: var(--ink-600);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .flow-nav__item:hover {
  border-color: var(--vermilion-500);
  color: var(--ink-900);
}

.page-products .flow-nav__item .mono {
  font-size: 11px;
  color: var(--bronze-600);
}

.page-products .flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 28px;
}

.page-products .flow__step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line-300);
}

.page-products .flow__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bronze-600);
}

.page-products .flow__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-400);
}

.page-products .flow__title {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-products .flow__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-400);
}

@media (min-width: 720px) {
  .page-products .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 32px;
  }
}

@media (min-width: 1040px) {
  .page-products .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 报错代码 ---------- */

.page-products .err-groups {
  display: grid;
  gap: 34px;
}

.page-products .err-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-900);
}

.page-products .err-group__code {
  font-size: 15px;
  color: var(--vermilion-500);
}

.page-products .err-group__name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 18px;
  color: var(--ink-900);
}

.page-products .err-row {
  border-bottom: 1px solid var(--line-300);
}

.page-products .err-row__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--ink-900);
}

.page-products .err-row__code {
  font-size: 14px;
  color: var(--bronze-600);
  transition: color var(--dur) var(--ease);
}

.page-products .err-row__title {
  font-size: 15.5px;
  line-height: 1.6;
}

.page-products .err-row__mark {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--line-300);
  background: transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .err-row__head[aria-expanded="true"] .err-row__mark {
  background: var(--bronze-600);
  border-color: var(--bronze-600);
}

.page-products .err-row__head[aria-expanded="true"] .err-row__code {
  color: var(--vermilion-500);
}

.page-products .err-row__panel {
  max-width: 68ch;
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-400);
}

.page-products .err-row__panel p {
  margin: 0 0 8px;
}

.page-products .err-row__fix {
  color: var(--ink-600);
}

.page-products .err-row__panel .copy-btn {
  margin-top: 4px;
}

@media (min-width: 900px) {
  .page-products .err-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 52px;
  }
}

/* ---------- 适配设备 ---------- */

.page-products .dev-grid {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-products .dev-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--porcelain-50);
  padding: 22px 20px;
}

.page-products .dev-card--wide {
  background: var(--porcelain-100);
}

.page-products .dev-card__icon {
  display: block;
  width: 34px;
  height: 34px;
  color: var(--bronze-600);
}

.page-products .dev-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .dev-card__count {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-400);
}

.page-products .dev-card__name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 18px;
  color: var(--ink-900);
}

.page-products .dev-card__list {
  margin: 0;
  padding-left: 1.1em;
  list-style: disc;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-products .dev-card__list li + li {
  margin-top: 5px;
}

@media (min-width: 700px) {
  .page-products .dev-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .dev-grid {
    grid-template-columns: 1.32fr 1fr 1fr 1.18fr;
  }
}

/* ---------- 提交前准备 ---------- */

.page-products .prep-grid {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-products .prep-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  background: var(--porcelain-50);
  padding: 20px;
}

.page-products .prep-card__no {
  grid-row: span 2;
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--vermilion-500);
}

.page-products .prep-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .prep-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-400);
}

.page-products .prep-cta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-products .prep-cta .note {
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.7;
}

@media (min-width: 760px) {
  .page-products .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .prep-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 更新节奏 ---------- */

.page-products .cadence {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-products .cadence__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--porcelain-50);
  padding: 22px 20px;
}

.page-products .cadence__when {
  margin: 0;
  font-size: 26px;
  line-height: 1.1;
  color: var(--ink-900);
}

.page-products .cadence__name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--bronze-600);
}

.page-products .cadence__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-400);
}

.page-products .cadence__tail {
  margin-top: 34px;
  display: grid;
  gap: 26px;
}

.page-products .cadence__figure {
  margin: 0;
}

.page-products .cadence__note-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-products .cadence__note p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-products .cadence__links {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 820px) {
  .page-products .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .cadence__tail {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 48px;
    align-items: center;
  }
}