.page-products {
  --pp-line: rgba(92, 107, 112, 0.24);
  --pp-line-soft: rgba(92, 107, 112, 0.14);
  --pp-shadow: 0 18px 40px -28px rgba(7, 26, 33, 0.55);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products p {
  max-width: 68ch;
}

.page-products h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
  font-size: clamp(1.7rem, 4.6vw, 2.5rem);
  margin: 0.25em 0 0.55em;
  color: var(--blue-900);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rock);
  margin: 0 0 0.4em;
}

.page-products .eyebrow--light {
  color: var(--yellow);
}

/* ---------- 首屏 ---------- */
.page-products .app-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) var(--pad-x) clamp(40px, 6vw, 76px);
  background: var(--paper);
  border-bottom: 1px solid var(--pp-line);
  overflow: hidden;
  isolation: isolate;
}

.page-products .app-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--pp-line-soft) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, var(--pp-line-soft) 0 1px, transparent 1px 46px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
  z-index: 0;
}

.page-products .app-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -24%;
  width: 48%;
  height: 160%;
  background: linear-gradient(150deg, var(--lake), var(--blue-900));
  transform: skewX(-14deg);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.page-products .app-hero > * {
  position: relative;
  z-index: 1;
}

.page-products .app-hero__kicker {
  display: inline-block;
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 4px 12px;
  background: var(--green);
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .app-hero h1 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.3rem, 8.4vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0.32em 0 0.4em;
  max-width: 14ch;
  color: var(--blue-900);
}

.page-products .app-hero__lede {
  font-size: clamp(1rem, 2.4vw, 1.16rem);
  max-width: 62ch;
  color: var(--ink);
  margin: 0;
}

.page-products .app-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--pp-line);
  max-width: 780px;
}

.page-products .app-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
}

.page-products .app-hero__meta-key {
  color: var(--rock);
  letter-spacing: 0.08em;
}

.page-products .app-hero__meta-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--blue-900);
}

/* ---------- 入口仪表板 ---------- */
.page-products .entry-board {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(40px, 6vw, 84px) var(--pad-x);
}

.page-products .entry-board__title {
  font-size: clamp(1.4rem, 3.6vw, 1.9rem);
  margin: 0 0 0.5em;
}

.page-products .entry-board__hint {
  font-size: 0.94rem;
  color: var(--rock);
  margin: 0 0 1.2em;
}

.page-products .entry-board__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .entry-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  border-left: 3px solid transparent;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-products .entry-link:hover,
.page-products .entry-link:focus-visible {
  border-left-color: var(--orange);
  background: var(--white);
  color: var(--lake);
}

.page-products .entry-link__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-products .entry-board__stack {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-products .entry {
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--white);
  border-top: 3px solid var(--blue-900);
  box-shadow: var(--pp-shadow);
  scroll-margin-top: 24px;
}

.page-products .entry--lake {
  border-top-color: var(--lake);
}

.page-products .entry--orange {
  border-top-color: var(--orange);
}

.page-products .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 0.7em;
}

.page-products .entry__title {
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  font-weight: 900;
  margin: 0;
  color: var(--blue-900);
}

.page-products .entry__tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 9px;
  border: 1px solid var(--pp-line);
  color: var(--rock);
}

.page-products .entry p {
  margin: 0 0 0.85em;
  font-size: 0.97rem;
}

.page-products .entry p:last-of-type {
  margin-bottom: 0;
}

.page-products .entry__figure {
  margin: 1.1em 0 0;
}

/* ---------- 图片通用 ---------- */
.page-products .shot,
.page-products .entry__figure,
.page-products .versions__figure,
.page-products .requirements__figure,
.page-products .league-panel__figure {
  border: 1px solid var(--pp-line);
  background: var(--white);
  overflow: hidden;
}

.page-products .entry__figure img,
.page-products .versions__figure img,
.page-products .requirements__figure img,
.page-products .league-panel__figure img,
.page-products .shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products figcaption {
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--rock);
  letter-spacing: 0.03em;
  border-top: 1px solid var(--pp-line-soft);
}

/* ---------- 小屏看球 ---------- */
.page-products .small-screen {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  padding: clamp(44px, 7vw, 92px) var(--pad-x);
  background: var(--blue-900);
  color: var(--paper);
}

.page-products .small-screen::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--orange) 0 33%, var(--yellow) 33% 66%, var(--lake) 66% 100%);
}

.page-products .small-screen h2 {
  color: var(--white);
}

.page-products .small-screen p {
  color: rgba(245, 249, 250, 0.86);
  margin: 0 0 0.85em;
  font-size: 0.98rem;
}

.page-products .spec-strip {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 1.4em 0 0;
  padding: 0;
  background: rgba(245, 249, 250, 0.22);
  border: 1px solid rgba(245, 249, 250, 0.22);
}

.page-products .spec-strip li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  background: var(--blue-900);
}

.page-products .spec-strip__key {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: rgba(245, 249, 250, 0.6);
}

.page-products .spec-strip__val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}

.page-products .small-screen__figure {
  margin: 0;
  align-self: start;
}

.page-products .shot--tall {
  border-color: rgba(245, 249, 250, 0.22);
  background: #061419;
}

.page-products .shot--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .small-screen__figure figcaption {
  color: rgba(245, 249, 250, 0.66);
  border-top-color: rgba(245, 249, 250, 0.18);
}

/* ---------- 联赛切换 ---------- */
.page-products .league-panel {
  padding: clamp(44px, 6vw, 88px) var(--pad-x);
  background: var(--white);
  border-block: 1px solid var(--pp-line);
}

.page-products .league-panel__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .league-panel__copy p {
  margin: 0 0 0.8em;
  font-size: 0.98rem;
}

.page-products .app-switch {
  margin-top: 1.4em;
  border-left: 3px solid var(--lake);
  padding-left: clamp(14px, 2.4vw, 20px);
}

.page-products .app-switch__cap {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--rock);
  margin: 0 0 0.7em;
}

.page-products .app-switch__pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .app-switch__pill {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 7px 14px;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-products .app-switch__pill:hover,
.page-products .app-switch__pill:focus-visible {
  border-color: var(--lake);
  color: var(--lake);
}

.page-products .app-switch__pill[aria-pressed="true"] {
  background: var(--blue-900);
  border-color: var(--blue-900);
  color: var(--white);
  box-shadow: inset 0 -3px 0 var(--orange);
}

.page-products .app-switch__status {
  margin: 0.8em 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--lake);
}

.page-products .league-panel__figure {
  margin: 0;
  align-self: start;
}

/* ---------- 版本阶梯 ---------- */
.page-products .versions {
  padding: clamp(44px, 6vw, 88px) var(--pad-x);
  background: var(--paper);
}

.page-products .versions__head p {
  margin: 0 0 0.4em;
  font-size: 0.96rem;
  color: var(--rock);
}

.page-products .steps {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  counter-reset: none;
}

.page-products .step {
  --indent: 0px;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px 16px;
  padding: 18px 14px 18px calc(14px + var(--indent));
  border-top: 1px solid var(--pp-line-soft);
  transition: background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-products .step:last-child {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .step:hover,
.page-products .step:focus-within {
  background: var(--white);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-products .step__num {
  font-family: var(--font-cond);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--lake);
}

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

.page-products .step__title {
  font-size: 1.02rem;
  font-weight: 900;
  margin: 0 0 0.25em;
  color: var(--blue-900);
}

.page-products .step__year {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--rock);
  margin: 0 0 0.5em;
}

.page-products .step__body p:last-child {
  margin: 0;
  font-size: 0.94rem;
}

.page-products .step--current .step__num {
  color: var(--orange);
}

.page-products .step--current .step__title::after {
  content: "维护完成";
  display: inline-block;
  margin-left: 10px;
  padding: 1px 8px;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--green);
  border: 1px solid currentColor;
  vertical-align: middle;
}

.page-products .versions__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 设备与网络 ---------- */
.page-products .requirements {
  padding: clamp(44px, 6vw, 88px) var(--pad-x);
  background: var(--white);
  border-top: 1px solid var(--pp-line);
}

.page-products .requirements__head p {
  margin: 0 0 0.4em;
  font-size: 0.96rem;
  color: var(--rock);
}

.page-products .requirements__body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 36px);
}

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

.page-products .req-item {
  padding: 18px 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .req-item:last-child {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .req-item h3 {
  font-size: 1rem;
  font-weight: 900;
  margin: 0 0 0.3em;
  color: var(--lake);
}

.page-products .req-item p {
  margin: 0;
  font-size: 0.94rem;
}

.page-products .requirements__figure {
  margin: 0;
  align-self: start;
}

/* ---------- 常见问题 ---------- */
.page-products .app-faq {
  padding: clamp(44px, 6vw, 88px) var(--pad-x) clamp(56px, 8vw, 104px);
  background: var(--paper);
  border-top: 1px solid var(--pp-line);
}

.page-products .app-faq__list {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--pp-line);
}

.page-products .faq-item {
  border-bottom: 1px solid var(--pp-line);
  background: var(--white);
}

.page-products .faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px clamp(14px, 2.4vw, 22px);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--blue-900);
  position: relative;
  padding-right: 46px;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-products .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-products .faq-item summary::after {
  content: "+";
  position: absolute;
  right: clamp(14px, 2.4vw, 22px);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--orange);
  line-height: 1;
}

.page-products .faq-item[open] summary::after {
  content: "−";
}

.page-products .faq-item summary:hover,
.page-products .faq-item summary:focus-visible {
  background: var(--paper);
  color: var(--lake);
}

.page-products .faq-item p {
  margin: 0;
  padding: 0 clamp(14px, 2.4vw, 22px) 18px;
  font-size: 0.94rem;
  color: var(--ink);
}

.page-products .app-faq__more {
  margin: 1.6em 0 0;
  font-size: 0.94rem;
  color: var(--rock);
}

.page-products .app-faq__more a {
  color: var(--lake);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(23, 107, 122, 0.32);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-products .app-faq__more a:hover,
.page-products .app-faq__more a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products a:focus-visible,
.page-products button:focus-visible,
.page-products summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .spec-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .step:nth-child(1) { --indent: 0px; }
  .page-products .step:nth-child(2) { --indent: 22px; }
  .page-products .step:nth-child(3) { --indent: 44px; }
  .page-products .step:nth-child(4) { --indent: 66px; }
}

@media (min-width: 880px) {
  .page-products .entry-board {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .entry-board__rail {
    position: sticky;
    top: 28px;
  }

  .page-products .entry-board__links {
    border-top: none;
  }

  .page-products .entry-link {
    border-left: 3px solid var(--pp-line-soft);
  }

  .page-products .small-screen {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-products .small-screen__figure {
    justify-self: end;
    width: 100%;
    max-width: 380px;
  }

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

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

@media (min-width: 1080px) {
  .page-products .app-hero h1 {
    max-width: 13ch;
  }

  .page-products .entry-board {
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-link,
  .page-products .app-switch__pill,
  .page-products .step,
  .page-products .faq-item summary,
  .page-products .app-faq__more a {
    transition: none;
  }
}