.page-products {
  --pp-cut-sm: 10px;
  --pp-cut-lg: 20px;
  --pp-line: rgba(52, 224, 224, .18);
  background: var(--night);
  color: var(--cloud);
  overflow-x: hidden;
}

.page-products a {
  color: var(--cyan);
}

.page-products .prose {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cloud);
  max-width: 68ch;
}

.page-products .prose:last-child {
  margin-bottom: 0;
}

.page-products .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products [id] {
  scroll-margin-top: 108px;
}

/* ---------- 频道总览首屏 ---------- */
.page-products .channels-hero {
  position: relative;
  padding: 138px 0 0;
  background:
    radial-gradient(880px 520px at 84% -8%, rgba(52, 224, 224, .17), transparent 64%),
    radial-gradient(720px 460px at 2% 14%, rgba(123, 92, 255, .19), transparent 68%),
    linear-gradient(180deg, var(--night) 0%, var(--deep) 58%, var(--night) 100%);
}

.page-products .channels-hero::before {
  content: "";
  position: absolute;
  top: 118px;
  right: -80px;
  width: 340px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 45%, transparent);
  transform: rotate(-30deg);
  opacity: .55;
  pointer-events: none;
}

.page-products .channels-hero__eyebrow {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lilac);
}

.page-products .channels-hero__title {
  margin: 14px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cloud);
  text-wrap: balance;
}

.page-products .channels-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .channel-grid {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .channel-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 16px 18px;
  background: linear-gradient(158deg, rgba(30, 58, 110, .74), rgba(11, 27, 58, .92));
  border: 1px solid rgba(52, 224, 224, .2);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .channel-tile::after {
  content: "";
  position: absolute;
  inset: -20% -60%;
  background: linear-gradient(104deg, transparent 42%, rgba(52, 224, 224, .2) 50%, transparent 58%);
  transform: translateX(-120%);
  transition: transform 520ms var(--ease);
  pointer-events: none;
}

.page-products .channel-tile:hover {
  border-color: rgba(52, 224, 224, .58);
  transform: translateY(-3px);
}

.page-products .channel-tile:hover::after {
  transform: translateX(120%);
}

.page-products .channel-tile__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lilac);
}

.page-products .channel-tile:nth-child(4n + 2) .channel-tile__idx { color: var(--cyan); }
.page-products .channel-tile:nth-child(4n + 3) .channel-tile__idx { color: var(--orange); }
.page-products .channel-tile:nth-child(4n + 4) .channel-tile__idx { color: var(--aurora); }

.page-products .channel-tile__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cloud);
}

.page-products .channel-tile__note {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-products .channels-hero__media {
  margin: 48px 0 0;
}

.page-products .channels-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 26vw, 300px);
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-products .products-body {
  padding-top: 64px;
  padding-bottom: 96px;
  row-gap: 40px;
}

.page-products .rail {
  position: sticky;
  top: 104px;
  align-self: start;
}

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

.page-products .products-sec {
  padding: 0 0 68px;
}

.page-products .products-sec:last-child {
  padding-bottom: 0;
}

.page-products .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin: 0 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .sec-head__body {
  min-width: 0;
}

.page-products .sec-num {
  flex: none;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-products .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--cloud);
  text-wrap: balance;
}

.page-products .sec-sub {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 小屏 V4 专区 ---------- */
.page-products .v4-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .v4-col {
  min-width: 0;
}

.page-products .v4-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .screen-compare {
  position: relative;
  margin-top: 26px;
  padding: 18px;
  background: linear-gradient(168deg, rgba(30, 58, 110, .62), rgba(11, 27, 58, .9));
  border: 1px solid rgba(52, 224, 224, .22);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-products .screen-compare__radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .screen-compare__switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: rgba(11, 27, 58, .8);
  border: 1px solid rgba(52, 224, 224, .2);
}

.page-products .screen-compare__opt {
  padding: 7px 16px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .screen-compare__opt:hover {
  color: var(--cloud);
}

.page-products .screen-compare__radio:focus-visible ~ .screen-compare__switch {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products #pp-v4-default:checked ~ .screen-compare__switch label[for="pp-v4-default"],
.page-products #pp-v4-tuned:checked ~ .screen-compare__switch label[for="pp-v4-tuned"] {
  background: rgba(52, 224, 224, .16);
  color: var(--cyan);
}

.page-products .screen-compare__stage {
  margin-top: 16px;
}

.page-products .phone-mock {
  max-width: 320px;
  padding: 12px;
  background: rgba(11, 27, 58, .88);
  border: 1px solid rgba(52, 224, 224, .3);
  transition: padding var(--dur) var(--ease);
}

.page-products .phone-mock__top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(30, 58, 110, .9);
}

.page-products .phone-mock__bar {
  width: 42px;
  height: 4px;
  background: var(--star);
  transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .phone-mock__title {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  transition: font-size var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .phone-mock__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  transition: gap var(--dur) var(--ease);
}

.page-products .phone-mock__item {
  padding: 9px 11px;
  background: rgba(30, 58, 110, .72);
  border-left: 2px solid var(--star);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--cloud);
  transition: padding var(--dur) var(--ease), font-size var(--dur) var(--ease),
    line-height var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products #pp-v4-tuned:checked ~ .screen-compare__stage .phone-mock {
  padding: 16px;
}

.page-products #pp-v4-tuned:checked ~ .screen-compare__stage .phone-mock__bar {
  width: 56px;
  background: var(--cyan);
}

.page-products #pp-v4-tuned:checked ~ .screen-compare__stage .phone-mock__title {
  font-size: 13px;
  color: var(--lilac);
}

.page-products #pp-v4-tuned:checked ~ .screen-compare__stage .phone-mock__list {
  gap: 12px;
}

.page-products #pp-v4-tuned:checked ~ .screen-compare__stage .phone-mock__item {
  padding: 15px 17px;
  font-size: 16px;
  line-height: 1.75;
  border-left-color: var(--cyan);
}

.page-products .screen-compare__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 分类标签体系 ---------- */
.page-products .label-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .label-group {
  padding: 20px;
  background: linear-gradient(164deg, rgba(123, 92, 255, .15), rgba(20, 42, 85, .92));
  border: 1px solid rgba(123, 92, 255, .26);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-products .label-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cloud);
}

.page-products .label-group__tags {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .label-note {
  margin-top: 26px;
  padding-left: 18px;
  border-left: 2px solid rgba(52, 224, 224, .4);
}

/* ---------- 固定分类 ---------- */
.page-products .pin-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

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

.page-products .pin-slot {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 15px;
  background: rgba(30, 58, 110, .52);
  border: 1px solid rgba(52, 224, 224, .22);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pin-slot:hover {
  border-color: rgba(52, 224, 224, .5);
}

.page-products .pin-slot--lead {
  background: linear-gradient(100deg, rgba(52, 224, 224, .16), rgba(30, 58, 110, .6));
  border-color: rgba(52, 224, 224, .58);
}

.page-products .pin-slot__pos {
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid rgba(52, 224, 224, .42);
}

.page-products .pin-slot--lead .pin-slot__pos {
  background: rgba(52, 224, 224, .18);
  color: var(--cloud);
}

.page-products .pin-slot__name {
  font-size: 15px;
  line-height: 1.5;
  color: var(--cloud);
}

/* ---------- 三端入口 ---------- */
.page-products .device-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .device-item {
  padding: 20px 20px 22px;
  background: rgba(20, 42, 85, .6);
  border-left: 3px solid var(--star);
  transition: border-color var(--dur) var(--ease);
}

.page-products .device-item:nth-child(1) { border-left-color: var(--cyan); }
.page-products .device-item:nth-child(2) { border-left-color: var(--orange); }
.page-products .device-item:nth-child(3) { border-left-color: var(--aurora); }

.page-products .device-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--cloud);
}

.page-products .device-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .devices-figure {
  margin: 30px 0 0;
}

.page-products .devices-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(200px, 30vw, 360px);
  object-fit: cover;
}

/* ---------- 旧频道入口 ---------- */
.page-products .legacy-figure {
  margin: 28px 0 0;
}

.page-products .legacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 26vw, 300px);
  object-fit: cover;
}

/* ---------- 怎么选路 ---------- */
.page-products .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

.page-products .path-card {
  position: relative;
  padding: 22px 20px 24px;
  background: linear-gradient(168deg, rgba(30, 58, 110, .74), rgba(11, 27, 58, .92));
  border: 1px solid rgba(52, 224, 224, .2);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .path-card:hover {
  border-color: rgba(52, 224, 224, .55);
  transform: translateY(-3px);
}

.page-products .path-card__idx {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--night);
  background: var(--cyan);
  margin-bottom: 14px;
}

.page-products .path-card:nth-child(2) .path-card__idx { background: var(--orange); }
.page-products .path-card:nth-child(3) .path-card__idx { background: var(--lilac); }

.page-products .path-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cloud);
}

.page-products .path-card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .path-card__link {
  display: inline-block;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 224, 224, .5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .path-card__link:hover {
  color: var(--cloud);
  border-color: var(--cloud);
}

.page-products .paths-note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

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

.page-products .paths-note a:hover {
  color: var(--cloud);
}

.page-products .paths-figure {
  margin: 0 0 4px;
}

.page-products .paths-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(160px, 22vw, 260px);
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .device-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .label-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-products .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .label-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .device-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .v4-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: 42px;
  }
  .page-products .pin-layout {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 40px;
    align-items: start;
  }
}

@media (max-width: 999px) {
  .page-products .rail {
    position: static;
    top: auto;
  }
}

@media (max-width: 520px) {
  .page-products .channels-hero {
    padding-top: 118px;
  }
  .page-products .products-body {
    padding-top: 48px;
    padding-bottom: 72px;
  }
  .page-products .products-sec {
    padding-bottom: 52px;
  }
  .page-products .channel-tile__name {
    font-size: 18px;
  }
  .page-products .phone-mock {
    max-width: 100%;
  }
  .page-products .screen-compare {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .channel-tile,
  .page-products .channel-tile::after,
  .page-products .path-card,
  .page-products .phone-mock,
  .page-products .phone-mock__list,
  .page-products .phone-mock__item {
    transition: none;
  }
  .page-products .channel-tile:hover,
  .page-products .path-card:hover {
    transform: none;
  }
}
</main>