.page-products {
  --pp-panel: rgba(16, 34, 76, 0.52);
  --pp-panel-strong: rgba(16, 34, 76, 0.78);
  --pp-hair: rgba(183, 198, 221, 0.16);
  background: var(--blue-900);
  color: var(--silver-100);
  overflow-x: hidden;
}

.page-products .crumbs {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--silver-500);
}

.page-products .crumbs__link {
  color: var(--silver-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-products .crumbs__link:hover,
.page-products .crumbs__link:focus-visible {
  color: var(--green-400);
  border-color: var(--green-400);
}

.page-products .crumbs__sep {
  margin: 0 8px;
  color: var(--silver-500);
}

.page-products .crumbs__current {
  color: var(--ice-white);
}

/* ---------- 首屏 ---------- */

.page-products .hero-app {
  position: relative;
  overflow: hidden;
  margin-top: 14px;
  padding: clamp(34px, 5.5vw, 68px) 0 clamp(44px, 6.5vw, 84px);
  background:
    radial-gradient(120% 92% at 88% -12%, rgba(95, 216, 245, 0.16), transparent 58%),
    radial-gradient(88% 78% at 4% 110%, rgba(27, 58, 122, 0.62), transparent 62%),
    linear-gradient(158deg, #0b1735 0%, var(--blue-900) 62%);
  border-top: 1px solid var(--pp-hair);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .hero-app::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 48%;
  height: 66%;
  background: linear-gradient(202deg, rgba(75, 255, 158, 0.09), transparent 68%);
  clip-path: polygon(100% 0, 100% 100%, 12% 100%);
  pointer-events: none;
}

.page-products .hero-app__note {
  position: absolute;
  top: 50%;
  right: clamp(8px, 2vw, 24px);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  color: var(--silver-500);
  z-index: 2;
}

.page-products .hero-app__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-products .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--cyan-400);
}

.page-products .hero-app h1 {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ice-white);
  max-width: 20ch;
}

.page-products .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--silver-300);
}

.page-products .hero-app__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero-app__panel {
  padding: 22px;
  background: linear-gradient(160deg, rgba(27, 58, 122, 0.6), rgba(8, 18, 43, 0.7));
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
}

.page-products .hero-app__panel-title {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--green-400);
}

.page-products .numstrip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--pp-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .numstrip__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  background: var(--blue-900);
}

.page-products .numstrip__value {
  font-size: 26px;
  color: var(--ice-white);
}

.page-products .numstrip__label {
  font-size: 11px;
  line-height: 1.5;
  color: var(--silver-500);
}

.page-products .hero-app__panel-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver-300);
}

/* ---------- 章节通用 ---------- */

.page-products .section {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-products .section--tight {
  padding: clamp(30px, 4vw, 52px) 0 clamp(56px, 7vw, 92px);
}

.page-products .section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2.4vw, 30px);
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 46px);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .sec-num {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--green-400);
  padding-top: 10px;
}

.page-products .h-section {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.1vw, 33px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

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

/* ---------- 七步流程 ---------- */

.page-products .steps-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .steplist {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .steplist::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 18px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-400), var(--blue-500) 62%, transparent);
  opacity: 0.55;
}

.page-products .steplist__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding-bottom: 24px;
}

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

.page-products .steplist__idx {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--blue-700);
  color: var(--silver-100);
  font-size: 14px;
}

.page-products .steplist__item:last-child .steplist__idx {
  border-color: var(--green-400);
  color: var(--green-400);
  box-shadow: 0 0 0 4px rgba(75, 255, 158, 0.12);
}

.page-products .steplist__body {
  padding-top: 6px;
}

.page-products .steplist__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .steplist__meta {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--cyan-400);
}

.page-products .steplist__body p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-300);
}

.page-products .steps-split__media {
  margin: 0;
}

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

.page-products .media__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--blue-700);
  aspect-ratio: 16 / 9;
}

.page-products .media--tall {
  aspect-ratio: 4 / 5;
}

.page-products .media--wide {
  aspect-ratio: 21 / 9;
}

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

.page-products .media__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 60% at 22% 12%, rgba(95, 216, 245, 0.22), transparent 62%),
    radial-gradient(60% 70% at 84% 92%, rgba(75, 255, 158, 0.12), transparent 66%);
  pointer-events: none;
}

.page-products .media__cap {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver-500);
}

/* ---------- 五维对比 ---------- */

.page-products .cmp-media {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-products .cmp {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(8, 18, 43, 0.6);
}

.page-products .cmp__row {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
}

.page-products .cmp__row > * {
  padding: 14px 14px;
  font-size: 14px;
  border-bottom: 1px solid var(--pp-hair);
  border-right: 1px solid var(--pp-hair);
  min-width: 0;
}

.page-products .cmp__row > *:last-child {
  border-right: 0;
}

.page-products .cmp__row:last-child > * {
  border-bottom: 0;
}

.page-products .cmp__row--head > * {
  background: var(--blue-700);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ice-white);
}

.page-products .cmp__dim {
  color: var(--silver-300);
}

.page-products .cmp__win {
  color: var(--green-400);
  font-weight: 500;
}

.page-products .cmp__gap {
  color: var(--orange-500);
  font-weight: 500;
}

.page-products .cmp-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(30px, 4vw, 50px);
}

.page-products .cmp-detail__title {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .cmp-detail__copy p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver-300);
}

.page-products .cmp-detail__copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 设备差异 ---------- */

.page-products .devgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .devcard {
  padding: 22px 20px;
  background: var(--pp-panel);
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--blue-500);
  border-radius: var(--radius);
}

.page-products .devcard__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  background: rgba(95, 216, 245, 0.1);
  border: 1px solid rgba(95, 216, 245, 0.28);
  border-radius: 999px;
}

.page-products .devcard__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .devcard p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-300);
}

.page-products .devpick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-products .devpick__item {
  padding: 18px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}

.page-products .devpick__label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--green-400);
}

.page-products .devpick__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-300);
}

/* ---------- 版本演进 ---------- */

.page-products .verl-media {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .verlist {
  display: grid;
  gap: 8px;
}

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

.page-products .verl[open] {
  border-color: rgba(95, 216, 245, 0.36);
}

.page-products .verl__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-products .verl__num {
  flex: 0 0 auto;
  min-width: 54px;
  font-size: 14px;
  color: var(--cyan-400);
}

.page-products .verl__title {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ice-white);
}

.page-products .verl__chev {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--silver-300);
  border-bottom: 2px solid var(--silver-300);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s ease;
}

.page-products .verl[open] .verl__chev {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-products .verl__body {
  padding: 0 18px 18px;
}

.page-products .verl__body p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-hair);
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver-300);
}

/* ---------- 准备清单 ---------- */

.page-products .checklist-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-products .checks {
  display: grid;
  gap: 10px;
}

.page-products .checks__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 13px;
  align-items: start;
  padding: 16px 18px;
  background: var(--ice-white);
  border-radius: var(--radius);
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .checks__item:hover {
  box-shadow: 0 10px 26px rgba(3, 8, 20, 0.4);
  transform: translateY(-1px);
}

.page-products .checks__box {
  appearance: none;
  -webkit-appearance: none;
  margin: 2px 0 0;
  width: 22px;
  height: 22px;
  border: 2px solid var(--blue-500);
  border-radius: 4px;
  background: transparent;
  position: relative;
  cursor: pointer;
  flex: 0 0 auto;
}

.page-products .checks__box:checked {
  background: var(--green-400);
  border-color: var(--green-400);
}

.page-products .checks__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--blue-900);
  border-bottom: 2px solid var(--blue-900);
  transform: rotate(42deg);
}

.page-products .checks__box:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 3px;
}

.page-products .checks__text {
  display: block;
  color: var(--blue-900);
}

.page-products .checks__text strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15.5px;
  font-weight: 700;
}

.page-products .checks__text span {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--blue-700);
}

/* ---------- 异常处理 ---------- */

.page-products .trouble {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .trouble__card {
  background: var(--pp-panel-strong);
  border: 1px solid var(--pp-hair);
  border-top: 2px solid var(--orange-500);
  border-radius: var(--radius);
  padding: 20px 20px 18px;
}

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

.page-products .datacard__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-products .datacard__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-500);
}

.page-products .trouble__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: tstep;
}

.page-products .trouble__steps li {
  position: relative;
  counter-increment: tstep;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver-300);
}

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

.page-products .trouble__steps li::before {
  content: counter(tstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-400);
}

/* ---------- 收尾 ---------- */

.page-products .nextbox {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--radius);
  background: var(--ice-white);
  color: var(--blue-900);
  border-left: 4px solid var(--green-400);
}

.page-products .nextbox__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  color: var(--blue-900);
}

.page-products .nextbox__text {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--blue-700);
}

.page-products .nextbox__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-products .nextbox .btn--ghost {
  border-color: rgba(27, 58, 122, 0.4);
  color: var(--blue-700);
}

.page-products .nextbox .btn--quiet {
  color: var(--blue-500);
}

/* ---------- 响应式 ---------- */

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

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

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

@media (min-width: 900px) {
  .page-products .hero-app__grid {
    grid-template-columns: 1.25fr 0.75fr;
  }

  .page-products .steps-split {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .page-products .steps-split__media {
    position: sticky;
    top: 96px;
  }

  .page-products .cmp-detail {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-products .checklist-split {
    grid-template-columns: 0.8fr 1.2fr;
  }

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

  .page-products .nextbox {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
  }

  .page-products .nextbox__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-products .trouble {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-products .cmp__row {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-products .cmp__row > * {
    padding: 12px 9px;
    font-size: 12.5px;
  }

  .page-products .hero-app__note {
    display: none;
  }
}

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