.page-products {
  --p-cyan-ghost: rgba(53, 230, 210, .12);
  --p-amber-ghost: rgba(255, 194, 75, .14);
  --p-magenta-ghost: rgba(255, 61, 139, .12);
  --p-line-hard: 2px solid var(--line);
}

/* ---------- 页头 ---------- */
.page-products .page-head {
  padding: clamp(28px, 5vw, 56px) 0 0;
}

.page-products .page-head__top {
  margin-bottom: 14px;
}

.page-products .page-head__body .display-1 {
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  max-width: 16ch;
}

.page-products .page-head__body .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink);
  opacity: .88;
}

.page-products .page-head__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 30px 0 0;
  border-top: var(--p-line-hard);
  border-left: var(--p-line-hard);
}

.page-products .page-head__stat {
  border-right: var(--p-line-hard);
  border-bottom: var(--p-line-hard);
  padding: 14px 16px;
  background: linear-gradient(160deg, rgba(27, 35, 80, .72), rgba(11, 16, 38, .2));
}

.page-products .page-head__stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-products .page-head__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 横向目录条 ---------- */
.page-products .doc-index {
  margin-top: clamp(28px, 5vw, 44px);
  border-top: var(--p-line-hard);
  border-bottom: var(--p-line-hard);
  background: rgba(5, 7, 15, .55);
}

.page-products .doc-index__inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 14px 0;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .doc-index__inner::-webkit-scrollbar {
  height: 6px;
}

.page-products .doc-index__inner::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .doc-index__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 2px solid var(--line);
  background: var(--mid);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background 180ms var(--ease);
}

.page-products .doc-index__item:hover,
.page-products .doc-index__item:focus-visible {
  border-color: var(--cyan);
  background: var(--p-cyan-ghost);
  transform: translateY(-2px);
}

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

.page-products .doc-index__label {
  font-size: 14px;
  white-space: nowrap;
}

/* ---------- 通用 section 间距 ---------- */
.page-products .section {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-products .section--tight {
  padding: 24px 0;
}

.page-products .section--panel {
  background:
    linear-gradient(180deg, rgba(27, 35, 80, .5), rgba(5, 7, 15, .82));
  border-top: var(--p-line-hard);
  border-bottom: var(--p-line-hard);
}

.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: clamp(22px, 3.5vw, 38px);
  border-bottom: var(--p-line-hard);
}

.page-products .section-head__title {
  margin: 0;
}

.page-products .section-head__aside {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 图片容器 ---------- */
.page-products .media {
  position: relative;
  margin: 0 0 clamp(22px, 3.5vw, 36px);
  border: var(--p-line-hard);
  background:
    repeating-linear-gradient(0deg, rgba(42, 53, 102, .5) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(42, 53, 102, .5) 0 1px, transparent 1px 24px),
    var(--bg-deep);
  overflow: hidden;
}

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

.page-products .dl-hero {
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-card);
}

.page-products .check-figure {
  aspect-ratio: 4 / 3;
  max-width: 760px;
  margin-left: 0;
  margin-right: 0;
}

.page-products .rooms-hero {
  aspect-ratio: 2 / 1;
  box-shadow: var(--shadow-card);
}

.page-products .docs-side__media {
  aspect-ratio: 5 / 6;
  margin-bottom: 16px;
}

.page-products .cycle-figure {
  aspect-ratio: 10 / 7;
  margin-bottom: 0;
}

/* ---------- 下载入口 ---------- */
.page-products .dl-grid {
  align-items: stretch;
}

.page-products .dl-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .dl-card .card__num {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-products .dl-meta {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-meta li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-products .dl-meta__k {
  flex: 0 0 48px;
  font-size: 12px;
  color: var(--amber);
  letter-spacing: .08em;
}

.page-products .dl-note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--info);
  background: rgba(124, 212, 255, .08);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 74ch;
}

.page-products .dl-note .mono {
  color: var(--info);
}

/* ---------- 帮助文档 ---------- */
.page-products .docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-products .docs-group {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.page-products .docs-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  padding: 10px 14px;
  font-size: 15px;
  letter-spacing: .04em;
  font-weight: 700;
  color: var(--ink);
  background: var(--mid);
  border-left: 4px solid var(--cyan);
}

.page-products .docs-group__code {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .12em;
  padding: 2px 8px;
  border: 1px solid var(--cyan);
}

.page-products .fold {
  border: var(--p-line-hard);
  border-bottom-width: 0;
  background: rgba(11, 16, 38, .6);
}

.page-products .docs-group .fold:last-child {
  border-bottom-width: 2px;
}

.page-products .fold__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  transition: background 180ms var(--ease), padding-left 180ms var(--ease);
}

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

.page-products .fold__head::marker {
  content: "";
}

.page-products .fold__head:hover {
  background: var(--p-cyan-ghost);
  padding-left: 22px;
}

.page-products .fold__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  padding: 3px 8px;
  border: 1px solid var(--line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .fold[open] .fold__num,
.page-products .fold__head:hover .fold__num {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .fold__name {
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .fold__body {
  padding: 4px 18px 18px 18px;
  border-top: 1px dashed var(--line);
}

.page-products .fold__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  opacity: .9;
  max-width: 62ch;
}

.page-products .fold__k {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-products .docs-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .docs-side__tip {
  border: var(--p-line-hard);
  background: var(--bg-deep);
  padding: 16px 16px 18px;
  box-shadow: 6px 6px 0 rgba(5, 7, 15, .9);
}

.page-products .docs-side__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 4px;
  margin-bottom: 10px;
}

.page-products .docs-side__tip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  opacity: .86;
}

/* ---------- 三步检测 ---------- */
.page-products .check-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .check-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: cstep;
}

.page-products .check-steps li {
  position: relative;
  padding: 18px 18px 18px 62px;
  border: var(--p-line-hard);
  background: rgba(11, 16, 38, .72);
  margin-bottom: 14px;
  counter-increment: cstep;
}

.page-products .check-steps li::before {
  content: "0" counter(cstep);
  position: absolute;
  left: 16px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  padding: 3px 7px;
  line-height: 1;
}

.page-products .check-steps li strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
  color: var(--ink);
}

.page-products .check-steps li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  opacity: .88;
  max-width: 56ch;
}

.page-products .check-flow {
  border: var(--p-line-hard);
  background: var(--bg-deep);
  padding: 18px 14px 10px;
  box-shadow: var(--shadow-card);
}

.page-products .check-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pf-num {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .08em;
}

.page-products .pf-lbl {
  font-size: 16px;
  font-family: var(--font-sans);
}

.page-products .pf-note {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--muted);
  letter-spacing: .04em;
}

.page-products .check-flow__node {
  transition: opacity 180ms var(--ease);
}

.page-products .check-flow__node:hover {
  opacity: .78;
}

/* ---------- 六类房间 ---------- */
.page-products .rooms-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .room-card {
  position: relative;
  border: var(--p-line-hard);
  background: rgba(11, 16, 38, .68);
  padding: 20px 18px 18px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-products .room-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-card-hover);
}

.page-products .room-card__code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .12em;
  padding: 3px 9px;
  border: 2px solid var(--line);
  color: var(--muted);
  margin-bottom: 12px;
}

.page-products .room-card--entry .room-card__code { border-color: var(--info); color: var(--info); }
.page-products .room-card--std .room-card__code { border-color: var(--cyan); color: var(--cyan); }
.page-products .room-card--pro .room-card__code { border-color: var(--magenta); color: var(--magenta); }
.page-products .room-card--family .room-card__code { border-color: var(--amber); color: var(--amber); }
.page-products .room-card--season .room-card__code { border-color: var(--magenta); color: var(--magenta); }

.page-products .room-card__name {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink);
}

.page-products .room-card__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  opacity: .88;
}

.page-products .room-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.page-products .room-card__meta .mono {
  color: var(--amber);
  letter-spacing: .08em;
  margin-right: 8px;
}

.page-products .room-card--family {
  border-left: 5px solid var(--amber);
}

.page-products .room-card--season {
  border-left: 5px solid var(--magenta);
}

.page-products .rooms-note {
  margin: 26px 0 0;
  max-width: 74ch;
  padding: 16px 18px;
  border-left: 4px solid var(--amber);
  background: var(--p-amber-ghost);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

/* ---------- 自检清单 ---------- */
.page-products .selfcheck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .selfcheck__group {
  border: var(--p-line-hard);
  background: rgba(11, 16, 38, .62);
  padding: 18px 18px 12px;
  margin: 0;
}

.page-products .selfcheck__legend {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .selfcheck__code {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  padding: 2px 7px;
  border: 1px solid var(--cyan);
}

.page-products .selfcheck__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 10px;
  border-top: 1px dashed var(--line);
  cursor: pointer;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  transition: background 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-products .selfcheck__item:hover {
  background: var(--p-cyan-ghost);
  padding-left: 16px;
}

.page-products .selfcheck__item input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .selfcheck__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 2px solid var(--line);
  background: var(--bg-deep);
  display: inline-block;
  position: relative;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .selfcheck__item input:focus-visible + .selfcheck__box {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .selfcheck__item input:checked + .selfcheck__box {
  border-color: var(--cyan);
  background: var(--p-cyan-ghost);
}

.page-products .selfcheck__item input:checked + .selfcheck__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--cyan);
  border-width: 0 2px 2px 0;
  transform: rotate(43deg);
}

.page-products .selfcheck__item input:checked ~ .selfcheck__text {
  color: var(--cyan);
}

.page-products .selfcheck__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
  opacity: .86;
}

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

/* ---------- 复检与反馈 ---------- */
.page-products .cycle-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-products .cycle-copy p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  opacity: .9;
  max-width: 62ch;
}

.page-products .cycle-copy p:last-child {
  margin-bottom: 0;
}

.page-products .cycle-copy .mono {
  color: var(--info);
  letter-spacing: .02em;
}

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

.page-products .cycle-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 36px);
}

.page-products .cycle-links .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-products .cycle-links .btn__num {
  font-size: 12px;
  color: currentColor;
  opacity: .8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .page-head__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .docs-side {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-products .docs-side__media {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

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

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

@media (min-width: 900px) {
  .page-products .docs-layout {
    grid-template-columns: minmax(0, 1.65fr) minmax(240px, .85fr);
    gap: 44px;
  }

  .page-products .docs-side {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 96px;
  }

  .page-products .check-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 46px;
  }

  .page-products .check-figure {
    margin-bottom: 42px;
  }

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

  .page-products .cycle-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, .85fr);
    gap: 46px;
  }

  .page-products .doc-index__inner {
    padding: 16px 0;
  }
}

@media (min-width: 1100px) {
  .page-products .page-head__body .display-1 {
    font-size: 72px;
  }

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