.page-products {
  --pp-gap: clamp(52px, 8vw, 112px);
  --pp-gap-sm: clamp(28px, 4vw, 48px);
  --pp-radius: var(--r);
}

/* ── 首屏 ───────────────────────────── */
.page-products .app-hero {
  padding: clamp(20px, 4vw, 44px) 0 var(--pp-gap);
  position: relative;
  overflow: hidden;
}

.page-products .app-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background: var(--grad-soft);
  filter: blur(10px);
  pointer-events: none;
  z-index: -1;
}

.page-products .app-hero__grid {
  display: grid;
  gap: var(--pp-gap-sm);
  align-items: center;
}

.page-products .app-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-products .app-hero__lead {
  margin: 20px 0 0;
  max-width: 620px;
  color: var(--paper-mute);
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.78;
}

.page-products .app-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .app-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(201, 195, 182, 0.18);
}

.page-products .app-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .app-hero__fact-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-products .app-hero__fact-label {
  font-size: 12.5px;
  color: var(--paper-mute);
  letter-spacing: 0.02em;
}

.page-products .app-hero__visual {
  display: grid;
  gap: 16px;
  position: relative;
}

.page-products .app-hero__version-card {
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-radius: var(--r);
  background-image: var(--grad-soft);
}

.page-products .app-hero__version-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

.page-products .app-hero__version-num {
  font-family: var(--font-mono);
  font-size: clamp(66px, 15vw, 128px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.03em;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .app-hero__version-desc {
  font-size: 13px;
  color: var(--violet-lite);
  letter-spacing: 0.04em;
}

.page-products .app-hero__version-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-mute);
  max-width: 46ch;
}

.page-products .app-hero__version-card .copy-btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-products .app-hero__media {
  border-radius: var(--r);
}

/* ── 通用图注 ───────────────────────── */
.page-products .pp-figure {
  margin: var(--pp-gap-sm) 0 0;
  border-radius: var(--r);
}

.page-products .pp-figure__cap {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-mute);
  max-width: 62ch;
}

/* ── 通道对照带 ─────────────────────── */
.page-products .pp-band {
  padding: var(--pp-gap) 0;
  background: linear-gradient(180deg, rgba(20, 20, 42, 0.7), rgba(11, 11, 20, 0));
}

.page-products .pp-band__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-products .pp-band__lead {
  margin: 16px 0 0;
  max-width: 640px;
  color: var(--paper-mute);
  font-size: 16.5px;
  line-height: 1.78;
}

.page-products .channel-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: var(--pp-gap-sm);
}

.page-products .channel-card {
  position: relative;
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--r);
  background: var(--ink-2);
  border: 1px solid rgba(201, 195, 182, 0.14);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 200ms ease-out, border-color 200ms ease-out;
}

.page-products .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
}

.page-products .channel-card--std::before {
  background: linear-gradient(180deg, var(--violet), var(--violet-lite));
}

.page-products .channel-card--pro::before {
  background: linear-gradient(180deg, var(--lime), var(--lime-lite));
}

.page-products .channel-card--pro {
  background: linear-gradient(155deg, rgba(108, 43, 217, 0.2), var(--ink-2) 58%);
}

.page-products .channel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(166, 107, 255, 0.52);
}

.page-products .channel-card--pro:hover {
  border-color: rgba(198, 255, 61, 0.5);
}

.page-products .channel-card__head h3 {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.6vw, 24px);
  line-height: 1.34;
}

.page-products .channel-card__text {
  margin: 14px 0 0;
  color: var(--paper-mute);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .channel-card__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .channel-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--lime);
}

.page-products .channel-card--std .channel-card__list li::before {
  background: var(--violet-lite);
}

.page-products .channel-card__spec {
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(201, 195, 182, 0.16);
  display: grid;
  gap: 10px;
}

.page-products .channel-card__spec > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: baseline;
}

.page-products .channel-card__spec dt {
  font-size: 13px;
  color: var(--paper-mute);
  letter-spacing: 0.03em;
}

.page-products .channel-card__spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
}

.page-products .channel-card__cta {
  margin-top: 24px;
  align-self: flex-start;
}

/* ── 安装三步 ───────────────────────── */
.page-products .pp-steps {
  padding: var(--pp-gap) 0;
}

.page-products .pp-steps__head {
  display: grid;
  gap: 18px;
}

.page-products .pp-steps__head h2 {
  margin: 12px 0 0;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-products .pp-steps__intro {
  margin: 0;
  color: var(--paper-mute);
  font-size: 16px;
  line-height: 1.8;
  max-width: 58ch;
}

.page-products .step-track {
  list-style: none;
  margin: var(--pp-gap-sm) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: step;
}

.page-products .step {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--r);
  background: rgba(20, 20, 42, 0.82);
  border: 1px solid rgba(198, 255, 61, 0.16);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  background: var(--grad-neon);
  opacity: 0.85;
}

.page-products .step__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--violet-lite);
  letter-spacing: 0.02em;
}

.page-products .step__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
}

.page-products .step__text {
  margin: 0;
  color: var(--paper-mute);
  font-size: 15px;
  line-height: 1.78;
}

.page-products .step .tag,
.page-products .step .copy-btn,
.page-products .step__link {
  align-self: flex-start;
  margin-top: auto;
}

.page-products .step .copy-btn {
  margin-top: 2px;
}

/* ── 赛程中心 ───────────────────────── */
.page-products .pp-schedule {
  padding: var(--pp-gap) 0;
  background: linear-gradient(180deg, rgba(20, 20, 42, 0.62), rgba(11, 11, 20, 0));
}

.page-products .schedule-grid {
  display: grid;
  gap: var(--pp-gap-sm);
  align-items: start;
}

.page-products .schedule-grid__media {
  border-radius: var(--r);
}

.page-products .schedule-grid__copy h2 {
  margin: 12px 0 0;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .schedule-grid__copy > p {
  margin: 16px 0 0;
  color: var(--paper-mute);
  font-size: 16px;
  line-height: 1.8;
  max-width: 58ch;
}

.page-products .filter-row {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-products .filter-chip {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 4px;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: rgba(11, 11, 20, 0.6);
  border: 1px solid rgba(166, 107, 255, 0.24);
}

.page-products .filter-chip__icon {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(108, 43, 217, 0.28);
  color: var(--lime);
}

.page-products .filter-chip strong {
  font-size: 16px;
  line-height: 1.4;
}

.page-products .filter-chip span:last-child {
  font-size: 14px;
  line-height: 1.66;
  color: var(--paper-mute);
}

.page-products .schedule-stats {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  padding: 22px 0 0;
  border-top: 1px solid rgba(201, 195, 182, 0.18);
}

.page-products .schedule-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .schedule-stats .stat__value {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-products .schedule-stats .stat__label {
  font-size: 12.5px;
  color: var(--paper-mute);
}

.page-products .schedule-grid__note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--violet-lite);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-mute);
}

/* ── 数据能力 ───────────────────────── */
.page-products .pp-data {
  padding: var(--pp-gap) 0;
}

.page-products .pp-data__head h2 {
  margin: 12px 0 0;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .pp-data__head p {
  margin: 16px 0 0;
  max-width: 660px;
  color: var(--paper-mute);
  font-size: 16px;
  line-height: 1.8;
}

.page-products .pp-data__body {
  margin-top: var(--pp-gap-sm);
  display: grid;
  gap: 22px;
}

.page-products .pp-data__media {
  border-radius: var(--r);
}

.page-products .pp-data__panels {
  display: grid;
  gap: 14px;
}

.page-products .pp-data__panel {
  padding: 20px 20px 22px;
  border-radius: var(--r-sm);
  border-color: rgba(41, 224, 200, 0.2);
}

.page-products .pp-data__panel:nth-child(2) {
  border-color: rgba(198, 255, 61, 0.24);
}

.page-products .pp-data__panel:nth-child(3) {
  border-color: rgba(255, 92, 122, 0.24);
}

.page-products .pp-data__panel-title {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.4;
}

.page-products .pp-data__panel p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-mute);
}

.page-products .pp-data__strip {
  margin-top: var(--pp-gap-sm);
  padding: 22px 24px;
  border-radius: var(--r);
  background: linear-gradient(100deg, rgba(108, 43, 217, 0.34), rgba(41, 224, 200, 0.12));
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  align-items: center;
  justify-content: space-between;
}

.page-products .pp-data__strip p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  max-width: 62ch;
}

/* ── V3 面板 ────────────────────────── */
.page-products .pp-panel-sec {
  padding: var(--pp-gap) 0;
  background: linear-gradient(180deg, rgba(20, 20, 42, 0.66), rgba(11, 11, 20, 0));
}

.page-products .pp-panel-sec__head {
  display: grid;
  gap: 16px;
}

.page-products .pp-panel-sec__head h2 {
  margin: 12px 0 0;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .pp-panel-sec__head > p {
  margin: 0;
  color: var(--paper-mute);
  font-size: 16px;
  line-height: 1.8;
  max-width: 60ch;
}

.page-products .panel-fields {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .panel-field {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(108, 43, 217, 0.22);
  border: 1px solid rgba(166, 107, 255, 0.36);
  color: var(--paper);
}

.page-products .pp-panel-sec__body {
  margin-top: var(--pp-gap-sm);
  display: grid;
  gap: 24px;
}

.page-products .pp-panel-sec__media {
  border-radius: var(--r);
}

.page-products .pp-panel-sec__side {
  display: grid;
  gap: 14px;
}

.page-products .pp-panel-sec__card {
  padding: 20px;
  border-radius: var(--r-sm);
}

.page-products .pp-panel-sec__card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
}

.page-products .pp-panel-sec__card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-mute);
}

.page-products .pp-panel-sec__coords {
  padding: 22px 20px;
  border-radius: var(--r-sm);
  background: rgba(11, 11, 20, 0.68);
  border: 1px solid rgba(198, 255, 61, 0.2);
}

.page-products .pp-panel-sec__coords-title {
  margin: 0;
  font-size: 15px;
  line-height: 1.66;
  color: var(--lime);
}

.page-products .coord-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
}

.page-products .coord-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(201, 195, 182, 0.18);
}

.page-products .coord-list__city {
  font-size: 14px;
  color: var(--paper-mute);
}

.page-products .coord-list__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-panel-sec__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--paper-mute);
}

/* ── 系统要求 ───────────────────────── */
.page-products .pp-req {
  padding: var(--pp-gap) 0;
}

.page-products .pp-req__head h2 {
  margin: 12px 0 0;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .pp-req__head p {
  margin: 16px 0 0;
  max-width: 620px;
  color: var(--paper-mute);
  font-size: 16px;
  line-height: 1.8;
}

.page-products .pp-req__grid {
  margin-top: var(--pp-gap-sm);
  display: grid;
  gap: 22px;
}

.page-products .pp-req__spec {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--r);
}

.page-products .pp-req__spec-title {
  margin: 0 0 18px;
  font-size: 20px;
  line-height: 1.36;
  color: var(--ink);
}

.page-products .spec-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .spec-list > div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(11, 11, 20, 0.12);
}

.page-products .spec-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .spec-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(11, 11, 20, 0.58);
}

.page-products .spec-list dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.66;
  color: var(--ink);
}

.page-products .pp-req__faq {
  display: grid;
  gap: 12px;
}

.page-products .pp-faq {
  border-radius: var(--r-sm);
  background: rgba(20, 20, 42, 0.82);
  border: 1px solid rgba(201, 195, 182, 0.16);
  padding: 0 18px;
  transition: border-color 200ms ease-out;
}

.page-products .pp-faq[open] {
  border-color: rgba(198, 255, 61, 0.42);
}

.page-products .pp-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 17px 30px 17px 0;
  position: relative;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-products .pp-faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
}

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

.page-products .pp-faq p {
  margin: 0;
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-products .pp-req__support {
  margin: var(--pp-gap-sm) 0 0;
  padding: 20px 22px;
  border-radius: var(--r-sm);
  background: rgba(41, 224, 200, 0.08);
  border: 1px solid rgba(41, 224, 200, 0.24);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

/* ── 收尾 ───────────────────────────── */
.page-products .pp-close {
  padding: 0 0 clamp(56px, 8vw, 104px);
}

.page-products .pp-close__inner {
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--r);
  background: linear-gradient(120deg, rgba(108, 43, 217, 0.42), rgba(198, 255, 61, 0.14));
  border: 1px solid rgba(166, 107, 255, 0.34);
  display: grid;
  gap: 22px;
}

.page-products .pp-close__copy h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-products .pp-close__copy p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-products .pp-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ── 断点 ───────────────────────────── */
@media (min-width: 620px) {
  .page-products .filter-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pp-data__panels > :first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 780px) {
  .page-products .step-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-products .pp-close__inner {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
  }

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

@media (min-width: 900px) {
  .page-products .app-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .app-hero__version-card {
    margin-right: -18px;
    position: relative;
    z-index: 2;
  }

  .page-products .schedule-grid {
    grid-template-columns: 0.78fr 1.22fr;
    gap: clamp(28px, 4vw, 54px);
  }

  .page-products .schedule-grid__media {
    position: sticky;
    top: 108px;
  }

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

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

  .page-products .pp-data__panels > :first-child {
    grid-column: 1 / -1;
  }

  .page-products .pp-panel-sec__body {
    grid-template-columns: 1.24fr 0.76fr;
    align-items: start;
    gap: clamp(26px, 3.6vw, 48px);
  }

  .page-products .pp-req__grid {
    grid-template-columns: 0.86fr 1.14fr;
    align-items: start;
    gap: clamp(26px, 3.6vw, 46px);
  }

  .page-products .pp-steps__head {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .pp-panel-sec__head {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

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

@media (min-width: 1100px) {
  .page-products .pp-data__panels {
    gap: 16px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .channel-card,
  .page-products .pp-faq {
    transition: none;
  }

  .page-products .channel-card:hover {
    transform: none;
  }
}