.page-products {
  background: var(--ink-950);
  color: var(--chalk);
  overflow-x: clip;
}

.page-products .pc-crumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-products .breadcrumb {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .breadcrumb__item a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .breadcrumb__item a:hover,
.page-products .breadcrumb__item a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

.page-products .breadcrumb__item[aria-current="page"] {
  color: var(--chalk);
}

.page-products .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ============ 首屏 ============ */

.page-products .pc-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(26px, 5vw, 52px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 460px at 88% -18%, rgba(0, 224, 122, 0.18), transparent 60%),
    radial-gradient(620px 420px at -12% 112%, rgba(53, 242, 230, 0.12), transparent 66%),
    linear-gradient(152deg, var(--ink-850) 0%, var(--ink-950) 62%);
}

.page-products .pc-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -22%;
  right: -14%;
  width: min(46vw, 500px);
  height: 148%;
  background: linear-gradient(200deg, rgba(0, 224, 122, 0.12), rgba(53, 242, 230, 0.02));
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-products .pc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pulse);
  margin: 0 0 14px;
}

.page-products .pc-hero__title {
  margin: 0 0 18px;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 16ch;
}

.page-products .pc-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

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

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  color: var(--chalk);
  background: transparent;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: #04210f;
}

.page-products .btn--ghost {
  background: rgba(18, 48, 74, 0.62);
}

.page-products .btn:hover,
.page-products .btn:focus-visible {
  transform: translateY(-2px);
  border-color: var(--pulse);
}

/* 状态面板 */

.page-products .pc-status {
  position: relative;
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 28px) clamp(20px, 3vw, 26px) clamp(26px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(165deg, var(--ink-750), var(--ink-850));
  box-shadow: var(--shadow-soft);
}

.page-products .pc-status::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--signal), var(--pulse));
}

.page-products .pc-status__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  font-weight: 700;
}

.page-products .pc-status__value {
  margin: 6px 0 18px;
  font-size: clamp(54px, 12vw, 86px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--signal);
}

.page-products .pc-status__meta {
  margin: 0;
  border-top: 1px dashed var(--line);
}

.page-products .pc-status__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.page-products .pc-status__row dt {
  color: var(--mist);
}

.page-products .pc-status__row dd {
  margin: 0;
  text-align: right;
  color: var(--chalk);
}

.page-products .pc-status__pulse {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--mist);
}

/* ============ 章节通用 ============ */

.page-products .section {
  position: relative;
  padding-block: clamp(44px, 7vw, 86px);
}

.page-products .section--alt {
  background: var(--ink-850);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pc-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 10px 20px;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-products .pc-num {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--signal);
  opacity: 0.55;
  transition: opacity 0.4s var(--ease);
}

.page-products .section.is-active .pc-num {
  opacity: 1;
}

.page-products .pc-title {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pc-lede {
  grid-column: 2;
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pc-note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--deep);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 74ch;
}

.page-products .pc-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 58ch;
}

/* 图容器 */

.page-products .pc-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(165deg, var(--ink-750), var(--ink-950));
}

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

/* ============ 01 版本速览 ============ */

.page-products .pc-brief {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
}

.page-products .pc-brief__list {
  display: grid;
  gap: 14px;
}

.page-products .pc-brief__item {
  position: relative;
  padding: 20px 22px 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--ink-750);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pc-brief__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: var(--pulse);
}

.page-products .pc-brief__item:hover {
  transform: translateY(-2px);
  border-color: var(--pulse);
}

.page-products .pc-brief__item-title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
}

.page-products .pc-brief__item-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pc-figure--tall img {
  aspect-ratio: 9 / 11;
  object-fit: cover;
}

/* ============ 02 核对客户端 ============ */

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

.page-products .pc-check__item {
  padding-top: 18px;
  border-top: 2px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

.page-products .pc-check__item:hover {
  border-top-color: var(--signal);
}

.page-products .pc-check__idx {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal);
  border: 1px solid rgba(0, 224, 122, 0.4);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.page-products .pc-check__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.42;
  font-weight: 700;
}

.page-products .pc-check__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ============ 03 正式版下载 ============ */

.page-products .pc-download {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 34px);
}

.page-products .pc-download__block {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(18, 48, 74, 0.55);
}

.page-products .pc-download__block-title {
  margin: 0 0 18px;
  font-size: 16px;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--pulse);
}

.page-products .pc-naming {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .pc-naming__row {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-products .pc-naming__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pc-naming__row dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pc-naming__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--chalk);
  word-break: break-word;
}

.page-products .pc-naming__row dd .mono {
  color: var(--signal);
}

.page-products .pc-prep {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pc-prep li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pc-prep li strong {
  font-size: 13px;
  color: var(--highlight);
  font-weight: 700;
}

.page-products .pc-fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(6, 18, 35, 0.5);
  padding: 0 18px;
  transition: border-color 0.24s var(--ease);
}

.page-products .pc-fold[open] {
  border-color: var(--pulse);
}

.page-products .pc-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk);
}

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

.page-products .pc-fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--signal);
}

.page-products .pc-fold[open] .pc-fold__summary::before {
  content: "–";
}

.page-products .pc-fold__body {
  padding-bottom: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pc-fold__body p {
  margin: 0;
}

/* ============ 04 三步安装 ============ */

.page-products .pc-install {
  display: grid;
  gap: clamp(24px, 4vw, 38px);
}

.page-products .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pc-steps__item {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--ink-750);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .pc-steps__item:hover {
  transform: translateY(-2px);
  border-color: var(--pulse);
}

.page-products .pc-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 26px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
  border: 1px solid var(--signal);
  border-radius: var(--radius-sm);
}

.page-products .pc-steps__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pc-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ============ 05 赛事提醒 ============ */

.page-products .pc-alert {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 38px);
}

.page-products .pc-alert__cards {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pc-alert__card {
  padding: 18px 20px;
  border-left: 2px solid var(--highlight);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(18, 48, 74, 0.6);
}

.page-products .pc-alert__card:nth-child(2) {
  border-left-color: var(--signal);
}

.page-products .pc-alert__card:nth-child(3) {
  border-left-color: var(--pulse);
}

.page-products .pc-alert__card-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-products .pc-alert__card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .pc-alert__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-products .pc-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  position: relative;
  display: grid;
  gap: 16px;
}

.page-products .pc-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--pulse), var(--line));
}

.page-products .pc-timeline__node {
  position: relative;
  display: grid;
  gap: 2px;
}

.page-products .pc-timeline__dot {
  position: absolute;
  left: -20px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(0, 224, 122, 0.16);
}

.page-products .pc-timeline__node--last .pc-timeline__dot {
  background: var(--highlight);
  box-shadow: 0 0 0 3px rgba(255, 138, 43, 0.18);
}

.page-products .pc-timeline__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--chalk);
}

.page-products .pc-timeline__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 06 设备要求表 ============ */

.page-products .pc-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(18, 48, 74, 0.4);
  -webkit-overflow-scrolling: touch;
}

.page-products .pc-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pc-table caption {
  padding: 16px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-products .pc-table thead th {
  padding: 12px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--pulse);
  background: rgba(53, 242, 230, 0.07);
  border-bottom: 1px solid var(--line);
}

.page-products .pc-table tbody th,
.page-products .pc-table tbody td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.page-products .pc-table tbody tr:last-child th,
.page-products .pc-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pc-table tbody tr:nth-child(odd) {
  background: rgba(11, 31, 53, 0.75);
}

.page-products .pc-table tbody tr:hover {
  background: var(--ink-750);
}

.page-products .pc-table tbody th {
  color: var(--chalk);
  font-weight: 700;
}

.page-products .pc-table tbody td {
  color: var(--mist);
}

.page-products .pc-table .mono {
  color: var(--signal);
}

/* ============ 07 数据与安全 ============ */

.page-products .pc-guard {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
}

.page-products .pc-guard__tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-products .pc-guard__tile {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(158deg, rgba(10, 143, 85, 0.2), rgba(18, 48, 74, 0.65));
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .pc-guard__tile:hover {
  transform: translateY(-2px);
  border-color: var(--pulse);
}

.page-products .pc-guard__value {
  display: block;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-products .pc-guard__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .pc-guard__split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

/* ============ 08 常见疑问 ============ */

.page-products .pc-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 38px);
}

.page-products .pc-faq__list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pc-faq__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .pc-faq__side-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pc-faq__side .btn {
  justify-self: start;
}

/* ============ 响应式 ============ */

@media (min-width: 720px) {
  .page-products .pc-guard__tiles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pc-guard__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-products .pc-check {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 880px) {
  .page-products .pc-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    align-items: end;
  }

  .page-products .pc-brief {
    grid-template-columns: minmax(0, 1.35fr) minmax(230px, 0.65fr);
    align-items: start;
  }

  .page-products .pc-figure--tall {
    justify-self: end;
    width: 100%;
    max-width: 320px;
  }

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

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

  .page-products .pc-faq {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-products .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pc-steps__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -20px;
    width: 20px;
    height: 1px;
    background: var(--line);
  }

  .page-products .pc-install {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

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

  .page-products .pc-steps__item:not(:last-child)::after {
    display: none;
  }
}

@media (min-width: 1080px) {
  .page-products .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pc-steps__item:not(:last-child)::after {
    display: block;
  }

  .page-products .pc-install {
    grid-template-columns: 1fr;
  }

  .page-products .pc-figure--wide {
    max-width: 100%;
  }
}

@media (max-width: 560px) {
  .page-products .pc-hero__actions .btn {
    width: 100%;
  }

  .page-products .pc-status__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-products .pc-status__row dd {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pc-brief__item,
  .page-products .pc-steps__item,
  .page-products .pc-guard__tile,
  .page-products .btn {
    transition: none;
  }

  .page-products .pc-brief__item:hover,
  .page-products .pc-steps__item:hover,
  .page-products .pc-guard__tile:hover,
  .page-products .btn:hover {
    transform: none;
  }
}