.page-products {
  --dl-gap: clamp(26px, 4.5vw, 54px);
  --dl-rule: 1px solid var(--hair);
  color: var(--paper);
  padding-top: 18px;
}

/* ============ 面包屑 ============ */
.page-products .sf-crumbs {
  margin-bottom: clamp(14px, 2.4vw, 26px);
}

/* ============ 首屏 ============ */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(16px, 3vw, 32px) clamp(34px, 6vw, 76px);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(245, 242, 236, .07) 1px, transparent 1px),
    linear-gradient(rgba(245, 242, 236, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 88% at 82% 8%, rgba(227, 22, 43, .38), transparent 60%),
    radial-gradient(90% 70% at 6% 96%, rgba(18, 60, 51, .75), transparent 62%);
  pointer-events: none;
}

.page-products .dl-hero > .sf-container {
  position: relative;
  z-index: 1;
}

.page-products .dl-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
  align-items: center;
}

.page-products .dl-hero__title {
  margin: 16px 0 22px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.15rem, 9vw, 5.4rem);
  line-height: .92;
  letter-spacing: -.045em;
  color: var(--white);
  text-wrap: balance;
}

.page-products .dl-hero__leadtext {
  max-width: 46ch;
  color: rgba(245, 242, 236, .8);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-products .dl-hero__facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-top: var(--dl-rule);
}

.page-products .dl-hero__factk {
  display: block;
  color: var(--gray);
  margin-bottom: 4px;
}

.page-products .dl-hero__factv {
  display: block;
  font-weight: 700;
  color: var(--cyan);
  font-size: 1.05rem;
  letter-spacing: -.01em;
}

/* 设备示意卡 */
.page-products .dl-hero__devices {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 14px;
  padding: 10px 0 0;
}

.page-products .dl-device {
  margin: 0;
  padding: 9px 9px 0;
  background: #05060a;
  border: var(--edge) solid var(--graphite);
  border-radius: 24px;
  box-shadow: var(--shadow-hard-lg);
  flex: 0 0 auto;
}

.page-products .dl-device--front {
  width: min(56vw, 236px);
  position: relative;
  z-index: 2;
}

.page-products .dl-device--back {
  width: min(38vw, 160px);
  transform: translateY(-18px) rotate(-4deg);
  box-shadow: var(--shadow-hard-sm);
  z-index: 1;
}

.page-products .dl-device__screen {
  border-radius: 16px 16px 0 0;
  overflow: hidden;
  background: var(--turf);
  aspect-ratio: 9 / 16;
}

.page-products .dl-device__screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .dl-device__screen--alt {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 11px;
  background: linear-gradient(180deg, #123C33, #06110f);
}

.page-products .dl-device__bar {
  display: block;
  height: 7px;
  border-radius: 2px;
  background: rgba(34, 224, 200, .42);
}

.page-products .dl-device__screen--alt .dl-device__bar:nth-child(1) { width: 58%; background: rgba(227, 22, 43, .75); }
.page-products .dl-device__screen--alt .dl-device__bar:nth-child(2) { width: 90%; }
.page-products .dl-device__screen--alt .dl-device__bar:nth-child(3) { width: 72%; }
.page-products .dl-device__screen--alt .dl-device__bar:nth-child(4) { width: 96%; }
.page-products .dl-device__screen--alt .dl-device__bar:nth-child(5) { width: 46%; }

.page-products .dl-device__cap {
  padding: 9px 2px 11px;
  text-align: center;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ============ 通用小节标题 ============ */
.page-products .dl-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .dl-head__sub {
  margin: 14px 0 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .dl-head__sub a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

/* ============ 下载入口 ============ */
.page-products .dl-download {
  position: relative;
}

.page-products .dl-plats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .dl-plat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--ink);
  border: var(--edge) solid var(--graphite);
  box-shadow: var(--shadow-hard);
}

.page-products .dl-plat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--accent, var(--red));
}

.page-products .dl-plat--android { --accent: var(--cyan); }
.page-products .dl-plat--ios { --accent: var(--gold); }

.page-products .dl-plat__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .dl-plat__ver {
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .dl-plat__name {
  margin: 0;
}

.page-products .dl-plat__spec {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-products .dl-plat__spec > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  background: var(--ink);
}

.page-products .dl-plat__spec dt {
  color: var(--gray);
  font-size: .875rem;
  flex: 0 0 auto;
}

.page-products .dl-plat__spec dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
  color: var(--white);
}

.page-products .dl-plat .sf-btn {
  margin-top: auto;
}

.page-products .dl-shot {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: var(--edge) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .dl-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 安装步骤 */
.page-products .dl-how {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(22px, 3vw, 34px);
  background: rgba(35, 38, 44, .62);
  border: var(--edge) solid var(--hair-strong);
  border-left: 7px solid var(--red);
}

.page-products .dl-how__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .dl-how__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-top: 16px;
  border-top: 1px dashed var(--hair-strong);
}

.page-products .dl-how__n {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--red);
  line-height: 1.2;
}

.page-products .dl-how__list p {
  margin: 0;
  line-height: 1.75;
  color: rgba(245, 242, 236, .82);
}

/* ============ 稳定版 ============ */
.page-products .dl-stable__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
  align-items: start;
}

.page-products .dl-stable .sf-index {
  color: var(--gold);
}

.page-products .dl-stable__p {
  margin: 16px 0 0;
  line-height: 1.78;
  color: rgba(245, 242, 236, .82);
  max-width: 52ch;
}

.page-products .dl-stable__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .dl-stable__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--hair-strong);
}

.page-products .dl-stable__k {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .01em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-products .dl-stable__list h3 {
  margin: 0 0 6px;
  color: var(--white);
}

.page-products .dl-stable__list p {
  margin: 0;
  line-height: 1.75;
  color: rgba(245, 242, 236, .8);
}

.page-products .dl-stable__figure {
  margin: 0;
  border: var(--edge) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--turf);
}

.page-products .dl-stable__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .dl-stable__cap {
  padding: 12px 16px;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: rgba(245, 242, 236, .72);
  border-top: 1px solid var(--hair-strong);
}

/* ============ 功能清单横向滚动 ============ */
.page-products .dl-features-wrap {
  overflow: hidden;
}

.page-products .dl-features {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 6px var(--gutter) 26px;
  scrollbar-width: thin;
  scrollbar-color: var(--red) transparent;
}

.page-products .dl-features:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .dl-features::-webkit-scrollbar { height: 6px; }
.page-products .dl-features::-webkit-scrollbar-track { background: rgba(245, 242, 236, .08); }
.page-products .dl-features::-webkit-scrollbar-thumb { background: var(--red); }

.page-products .dl-feat {
  flex: 0 0 auto;
  width: min(78vw, 330px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 28px);
}

.page-products .dl-feat--wide {
  width: min(86vw, 440px);
}

.page-products .dl-feat .sf-badge {
  align-self: flex-start;
}

.page-products .dl-feat__text {
  margin: 0;
  line-height: 1.75;
  color: rgba(245, 242, 236, .82);
}

.page-products .dl-feat__when {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hair-strong);
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .dl-feat__when strong {
  color: var(--cyan);
  font-weight: 700;
}

/* ============ 回看集锦与家庭看球 ============ */
.page-products .dl-replay__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .dl-replay__cover,
.page-products .dl-replay__tv {
  margin: 0;
  border: var(--edge) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink);
}

.page-products .dl-replay__cover img,
.page-products .dl-replay__tv img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .dl-replay__cap {
  padding: 11px 16px;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--gray);
  border-top: 1px solid var(--hair);
}

.page-products .dl-replay__body p {
  margin: 0;
  line-height: 1.78;
  color: rgba(245, 242, 236, .84);
}

.page-products .dl-replay__scenes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .dl-replay__scenes li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
  line-height: 1.7;
  font-size: .9375rem;
  color: rgba(245, 242, 236, .78);
}

.page-products .dl-replay__scenes .sf-badge {
  white-space: nowrap;
}

/* ============ 版本更新记录 ============ */
.page-products .dl-versions {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-products .dl-versions::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(255, 176, 32, .16) 100%);
}

.page-products .dl-versions > li {
  position: relative;
  margin-bottom: 18px;
}

.page-products .dl-versions > li::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 20px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--gold);
}

.page-products .dl-ver {
  border: var(--edge) solid var(--graphite);
  background: #191c21;
  box-shadow: var(--shadow-hard-sm);
}

.page-products .dl-ver[open] {
  background: #20242b;
}

.page-products .dl-ver__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dl-ver__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .dl-ver__num {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .dl-ver__title {
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
}

.page-products .dl-ver__body {
  padding: 4px 18px 18px;
  border-top: 1px solid var(--hair);
}

.page-products .dl-ver__body ul {
  margin: 16px 0 0;
  padding-left: 1.15em;
  display: grid;
  gap: 10px;
  line-height: 1.72;
  color: rgba(245, 242, 236, .8);
}

.page-products .dl-versions__past {
  padding: 6px 0 0;
}

.page-products .dl-versions__past .sf-index {
  color: var(--gray);
}

.page-products .dl-versions__past p:last-child {
  margin: 8px 0 0;
  line-height: 1.75;
  color: rgba(245, 242, 236, .74);
  font-size: .9375rem;
}

/* ============ 设备与网络要求（纸白） ============ */
.page-products .dl-device-sec {
  color: #1A1C20;
}

.page-products .dl-device-sec .sf-index {
  color: var(--red-deep);
}

.page-products .dl-device-sec .sf-h2 {
  color: #12141a;
}

.page-products .dl-device-sec .dl-head__sub {
  color: #565d68;
}

.page-products .dl-device-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products .dl-chip {
  font: inherit;
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 9px 20px;
  background: transparent;
  color: #12141a;
  border: 2px solid #12141a;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-products .dl-chip:hover {
  transform: translateY(-2px);
}

.page-products .dl-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .dl-chip.is-on,
.page-products .dl-chip[aria-pressed="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

.page-products .dl-reqs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 3px solid #12141a;
}

.page-products .dl-req {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 2px;
  border-bottom: 1px solid rgba(18, 20, 26, .18);
}

.page-products .dl-req__k {
  font-family: var(--font-data);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--red-deep);
}

.page-products .dl-req__v {
  line-height: 1.72;
  color: #1A1C20;
}

.page-products .dl-device-sec__more {
  margin: 26px 0 0;
  line-height: 1.78;
  color: #3d434d;
}

.page-products .dl-device-sec__more a {
  color: var(--red-deep);
  font-weight: 700;
  text-underline-offset: 4px;
}

/* ============ 出口区 ============ */
.page-products .dl-next__title {
  margin-bottom: clamp(22px, 3vw, 36px);
  color: var(--white);
}

.page-products .dl-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .dl-next__card {
  display: block;
  padding: 24px 22px;
  text-decoration: none;
  color: var(--paper);
  background: rgba(11, 12, 15, .58);
  border: var(--edge) solid var(--graphite);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .dl-next__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard);
  background: rgba(11, 12, 15, .88);
}

.page-products .dl-next__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .dl-next__card .sf-index {
  color: var(--cyan);
}

.page-products .dl-next__card p {
  margin: 12px 0 0;
  line-height: 1.72;
  color: rgba(245, 242, 236, .78);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .dl-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .dl-how__list li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

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

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

  .page-products .dl-stable__list li {
    grid-template-columns: 104px 1fr;
    gap: 22px;
    align-items: start;
  }

  .page-products .dl-req {
    grid-template-columns: 176px 1fr;
    gap: 26px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-products .dl-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-products .dl-hero__devices {
    justify-content: flex-end;
    padding-right: 12px;
  }

  .page-products .dl-stable__grid {
    grid-template-columns: 1.12fr .88fr;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-products .dl-replay__grid {
    grid-template-columns: 1.08fr .92fr;
    grid-template-areas:
      "cover body"
      "tv body";
    align-items: start;
  }

  .page-products .dl-replay__cover { grid-area: cover; }
  .page-products .dl-replay__tv { grid-area: tv; }
  .page-products .dl-replay__body { grid-area: body; padding-left: clamp(8px, 2vw, 26px); }
}

@media (min-width: 1120px) {
  .page-products .dl-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-chip,
  .page-products .dl-next__card {
    transition: none;
  }

  .page-products .dl-chip:hover,
  .page-products .dl-next__card:hover {
    transform: none;
  }
}