.page-products {
  --pg-block: clamp(34px, 6vw, 76px);
  --pg-gap: clamp(16px, 2.6vw, 30px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-products .pg-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-products .pg-hero::before {
  content: "";
  position: absolute;
  inset: -18% -12% auto -12%;
  height: 82%;
  background:
    radial-gradient(58% 72% at 84% 24%, rgba(139, 92, 246, 0.34), transparent 70%),
    radial-gradient(52% 64% at 8% -6%, rgba(47, 123, 255, 0.24), transparent 72%),
    radial-gradient(38% 48% at 56% 62%, rgba(46, 242, 208, 0.12), transparent 74%);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  pointer-events: none;
}

.page-products .pg-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-products .pg-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-wrap: balance;
}

.page-products .pg-hero h1::after {
  content: "";
  display: block;
  width: clamp(64px, 18vw, 128px);
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-products .pg-hero .lede {
  margin-top: 18px;
  max-width: 56ch;
  color: rgba(245, 239, 230, 0.82);
}

.page-products .pg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .pg-hero__meta {
  list-style: none;
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-products .pg-hero__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .pg-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(46, 242, 208, 0.8);
}

.page-products .pg-mono {
  color: var(--cream);
  font-weight: 600;
}

/* 首屏右侧面板 */
.page-products .pg-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.8vw, 26px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(31, 26, 51, 0.94), rgba(20, 17, 36, 0.96));
  box-shadow: var(--shadow-card);
}

.page-products .pg-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(180deg, rgba(245, 239, 230, 0.045) 0 1px, transparent 1px 5px);
  opacity: 0.55;
  pointer-events: none;
}

.page-products .pg-hero__panel > * {
  position: relative;
  z-index: 1;
}

.page-products .pg-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .pg-panel__tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-products .pg-meter {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pg-meter__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pg-meter__row:last-child {
  border-bottom: 0;
}

.page-products .pg-meter__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--violet);
  letter-spacing: 0.08em;
}

.page-products .pg-meter__name {
  font-size: 0.94rem;
  color: var(--cream);
}

.page-products .pg-meter__val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
}

.page-products .pg-progress {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  margin-top: 16px;
}

.page-products .pg-progress i {
  display: block;
  height: 6px;
  border-radius: 1px;
  background: var(--violet);
}

.page-products .pg-progress i:nth-child(2) {
  background: var(--blue);
}

.page-products .pg-progress i:nth-child(3) {
  background: var(--cyan);
}

.page-products .pg-progress i:nth-child(4) {
  background: var(--amber);
}

.page-products .pg-panel__note {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 安装四步 ---------- */
.page-products .pg-install {
  padding: var(--pg-block) 0;
}

.page-products .pg-install__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pg-gap);
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-products .pg-steps {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-products .step[open] {
  border-color: rgba(139, 92, 246, 0.52);
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.12), transparent 44%),
    var(--panel);
}

.page-products .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

.page-products .step__num {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--violet);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .step[open] .step__num {
  background: var(--cyan);
}

.page-products .step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-products .step__hint {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-products .step__head::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--rock);
}

.page-products .step[open] .step__head::after {
  content: "−";
  color: var(--cyan);
}

.page-products .step__body {
  padding: 0 clamp(14px, 2vw, 22px) clamp(16px, 2.4vw, 22px);
  display: grid;
  gap: 12px;
  border-top: 1px dashed var(--line-soft);
  padding-top: 14px;
}

.page-products .step__body p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.72;
  color: rgba(245, 239, 230, 0.84);
}

.page-products .step__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .step__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.62;
  color: rgba(245, 239, 230, 0.76);
}

.page-products .step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .step__stuck {
  padding: 10px 12px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 138, 61, 0.08);
  font-size: 0.9rem !important;
  color: rgba(245, 239, 230, 0.86) !important;
}

.page-products .pg-install__figure {
  align-self: start;
}

/* ---------- 八项服务 ---------- */
.page-products .pg-svc {
  position: relative;
  padding: var(--pg-block) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 17, 36, 0.92), rgba(9, 8, 18, 0.98));
}

.page-products .pg-svc::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--blue) 42%, var(--cyan) 78%, var(--amber));
  opacity: 0.75;
}

.page-products .pg-filter {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-products .svc {
  list-style: none;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(228px, 84%);
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--violet) transparent;
}

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

.page-products .svc::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.6);
}

.page-products .svc__item {
  position: relative;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  min-height: 196px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .svc__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), transparent);
  opacity: 0.25;
  transition: opacity 180ms var(--ease);
}

.page-products .svc__item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-products .svc__item:hover::before {
  opacity: 1;
}

.page-products .svc__item[hidden] {
  display: none;
}

.page-products .svc__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-products .svc__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--cream);
}

.page-products .svc__item p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.9rem;
  line-height: 1.66;
  color: rgba(245, 239, 230, 0.74);
}

.page-products .svc__item .tag {
  align-self: flex-start;
}

.page-products .svc__hint {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--rock);
}

/* ---------- 三档房间 ---------- */
.page-products .pg-rooms {
  padding: var(--pg-block) 0;
}

.page-products .lv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-products .lv {
  --lv-accent: var(--violet);
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-products .lv::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--lv-accent);
}

.page-products .lv--short {
  --lv-accent: var(--cyan);
}

.page-products .lv--mid {
  --lv-accent: var(--blue);
}

.page-products .lv--long {
  --lv-accent: var(--violet);
}

.page-products .lv__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .lv__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--lv-accent);
}

.page-products .lv__time {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.6vw, 1.85rem);
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .lv__time em {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--rock);
  margin-left: 4px;
}

.page-products .lv__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.68;
  color: rgba(245, 239, 230, 0.78);
}

.page-products .lv__cap {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  color: var(--rock);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.page-products .lv__cap strong {
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 800;
  color: var(--lv-accent);
}

.page-products .lv__gauge {
  position: relative;
  height: 10px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, rgba(245, 239, 230, 0.14) 0 6px, transparent 6px 10px);
  overflow: hidden;
}

.page-products .lv__gauge::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--fill, 0);
  background: repeating-linear-gradient(90deg, var(--lv-accent) 0 6px, transparent 6px 10px);
}

.page-products .lv__gauge--s {
  --fill: 50%;
}

.page-products .lv__gauge--m {
  --fill: 75%;
}

.page-products .lv__gauge--l {
  --fill: 100%;
}

.page-products .lv__facts {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .lv__facts > div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line-soft);
}

.page-products .lv__facts dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-products .lv__facts dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(245, 239, 230, 0.8);
}

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

.page-products .lv__link a {
  font-size: 0.88rem;
  color: var(--lv-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 239, 230, 0.18);
  padding-bottom: 2px;
}

.page-products .lv__link a:hover {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

.page-products .pg-rooms__figure {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 公告与更新周期 ---------- */
.page-products .pg-notice {
  padding: var(--pg-block) 0;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(139, 92, 246, 0.1), transparent 46%),
    rgba(20, 17, 36, 0.55);
}

.page-products .pg-notice__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pg-gap);
  align-items: start;
}

.page-products .pg-notice__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--cream);
  text-wrap: balance;
}

.page-products .pg-notice__copy > p {
  margin: 16px 0 0;
  font-size: 0.98rem;
  line-height: 1.74;
  color: rgba(245, 239, 230, 0.82);
  max-width: 60ch;
}

.page-products .cycle {
  margin: 22px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .cycle__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .cycle__row dt {
  font-size: 0.92rem;
  color: rgba(245, 239, 230, 0.86);
}

.page-products .cycle__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .pg-notice__tail {
  margin-top: 18px !important;
  font-size: 0.92rem !important;
  color: var(--rock) !important;
}

.page-products .pg-notice__tail a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
}

.page-products .pg-notice__figure {
  align-self: start;
}

/* ---------- 兼容性 ---------- */
.page-products .pg-compat {
  padding: var(--pg-block) 0;
  border-top: 1px solid var(--line);
}

.page-products .pg-compat__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pg-gap);
  margin-top: clamp(20px, 3.4vw, 32px);
  align-items: start;
}

.page-products .compat__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .compat__stat {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-products .compat__stat:nth-child(2) {
  border-left-color: var(--blue);
}

.page-products .compat__stat:nth-child(3) {
  border-left-color: var(--violet);
}

.page-products .compat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 2.8rem);
  line-height: 1;
  color: var(--cream);
}

.page-products .compat__unit {
  font-size: 0.94rem;
  color: rgba(245, 239, 230, 0.84);
}

.page-products .compat__note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-products .pg-compat__figure {
  align-self: start;
}

/* ---------- 快速问题 ---------- */
.page-products .pg-help {
  padding: var(--pg-block) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(9, 8, 18, 0), rgba(20, 17, 36, 0.7));
}

.page-products .pg-qa {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-products .qa[open] {
  border-color: rgba(46, 242, 208, 0.4);
}

.page-products .qa__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
}

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

.page-products .qa__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .qa__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--cream);
}

.page-products .qa__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--rock);
}

.page-products .qa[open] .qa__head::after {
  content: "−";
  color: var(--cyan);
}

.page-products .qa__body {
  margin: 0;
  padding: 0 clamp(14px, 2vw, 20px) 16px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(245, 239, 230, 0.78);
  border-top: 1px dashed var(--line-soft);
  padding-top: 12px;
}

.page-products .pg-help__foot {
  margin-top: clamp(20px, 3vw, 28px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .pg-help__foot p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--rock);
  max-width: 46ch;
}

.page-products .pg-help__foot a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
}

.page-products .pg-copy {
  flex: 0 0 auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pg-install__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-products .lv:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .lv:nth-child(3) {
    margin-top: 52px;
  }

  .page-products .pg-notice__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-products .pg-compat__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

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

  .page-products .step__hint {
    display: block;
  }
}

@media (min-width: 960px) {
  .page-products .pg-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-products .svc {
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-products .svc__hint {
    display: none;
  }

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

@media (min-width: 1180px) {
  .page-products .pg-install__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc__item,
  .page-products .step {
    transition: none;
  }

  .page-products .svc__item:hover {
    transform: none;
  }
}