.page-products {
  background: var(--bg-deep);
  color: var(--slate);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products a {
  color: var(--cyan);
  text-decoration: none;
  transition: color .2s ease;
}

.page-products a:hover {
  color: var(--neon);
}

.page-products img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.pd-hero,
.pd-download,
.pd-changelog,
.pd-features,
.pd-login,
.pd-requirements {
  width: min(100%, 1240px);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: clamp(2.4rem, 5vw, 4.5rem);
}

.pd-section-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.pd-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
  margin: 0 0 .25rem;
}

.pd-section-head p {
  margin: 0;
  color: var(--slate-light);
  font-size: .95rem;
  max-width: 46ch;
}

/* hero */
.pd-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  border-bottom: 1px solid rgba(57,255,20,.18);
}

.pd-hero .pd-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(57,255,20,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,255,20,.07) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 12%, #000 10%, transparent 74%);
  mask-image: radial-gradient(ellipse at 72% 12%, #000 10%, transparent 74%);
  pointer-events: none;
}

.pd-breadcrumb {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 1.5rem;
}

.pd-hero-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--neon);
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.pd-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--white);
  margin: 0 0 1.25rem;
  max-width: 13em;
  text-wrap: balance;
}

.pd-hero-lead {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: var(--slate-light);
  line-height: 1.7;
  max-width: 38em;
  margin: 0 0 2rem;
}

.pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
}

.pd-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .875rem;
}

.pd-hero-stat {
  padding: .85rem .75rem;
  border-top: 2px solid var(--neon);
}

.pd-hero-stat-num {
  font-family: var(--font-data);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  display: block;
  margin-bottom: .35rem;
}

.pd-hero-stat-label {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--slate-light);
  text-transform: uppercase;
  line-height: 1.4;
  display: block;
}

/* 下载入口 */
.pd-download {
  border-bottom: 1px solid rgba(136,146,176,.16);
}

.pd-download-layout {
  display: grid;
  gap: 2rem;
}

.pd-download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pd-dl-card {
  position: relative;
  background: linear-gradient(135deg, rgba(17,34,64,.92), rgba(10,25,47,.96));
  border: 1px solid rgba(136,146,176,.22);
  border-top: 3px solid var(--neon);
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.pd-dl-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background:
    linear-gradient(225deg, transparent 50%, rgba(57,255,20,.14) 50.5%, rgba(57,255,20,.14) 54%, transparent 54.5%);
}

.pd-dl-card:hover {
  border-color: rgba(57,255,20,.55);
  box-shadow: 0 0 0 1px rgba(57,255,20,.28), 0 14px 34px rgba(0,0,0,.35);
  transform: translateY(-2px);
}

.pd-dl-platform {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}

.pd-dl-os {
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: .04em;
}

.pd-dl-type {
  font-size: 11px;
}

.pd-dl-version {
  font-family: var(--font-data);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
  margin-bottom: .9rem;
  letter-spacing: -.02em;
}

.pd-dl-desc {
  margin: 0 0 1.4rem;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--slate-light);
}

.pd-dl-btn {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: .875rem;
  transition: box-shadow .25s ease, transform .25s ease, background .25s ease;
}

.pd-dl-btn:hover {
  box-shadow: 0 0 0 1px var(--neon), 0 0 26px rgba(57,255,20,.35);
  transform: translateY(-2px);
}

.pd-dl-side {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

.pd-mobile-card,
.pd-qr-box {
  padding: 1.25rem;
  text-align: center;
}

.pd-mobile-card img {
  max-width: 210px;
  margin-inline: auto;
  display: block;
  border: 1px solid rgba(57,255,20,.18);
}

.pd-qr-box img {
  width: min(100%, 210px);
  margin-inline: auto;
  display: block;
  border: 1px solid rgba(57,255,20,.18);
}

.pd-side-caption {
  margin: .75rem 0 0;
  font-size: 12px;
  color: var(--slate-light);
  letter-spacing: .06em;
}

/* 版本记录 */
.pd-changelog {
  border-bottom: 1px solid rgba(136,146,176,.16);
}

.pd-changelog-layout {
  display: grid;
  gap: 2rem;
}

.pd-changelog-list {
  display: grid;
  gap: .875rem;
  align-content: start;
}

.pd-changelog-item {
  background: var(--bg-panel);
  border: 1px solid rgba(136,146,176,.2);
  transition: border-color .2s ease;
}

.pd-changelog-item[open] {
  border-color: rgba(57,255,20,.4);
}

.pd-changelog-item summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  row-gap: .4rem;
  align-items: center;
  padding: 1.05rem 1.2rem;
}

.pd-changelog-item summary::-webkit-details-marker {
  display: none;
}

.pd-changelog-item summary:hover .pd-changelog-name {
  color: var(--neon);
}

.pd-changelog-ver {
  grid-row: 1 / 3;
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neon);
  padding-right: .5rem;
  border-right: 2px solid rgba(57,255,20,.28);
  margin-right: .25rem;
}

.pd-changelog-name {
  color: var(--white);
  font-weight: 600;
  transition: color .2s ease;
}

.pd-changelog-state {
  justify-self: start;
  font-family: var(--font-data);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--orange);
  background: rgba(255,107,53,.14);
  padding: .2rem .55rem;
}

.pd-changelog-detail {
  margin: 0;
  padding: 0 1.2rem 1.2rem;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.pd-changelog-detail li {
  position: relative;
  padding-left: 1rem;
  color: var(--slate-light);
  font-size: .92rem;
  line-height: 1.6;
}

.pd-changelog-detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 6px;
  height: 6px;
  background: var(--neon);
  transform: rotate(45deg);
}

.pd-changelog-more {
  margin: .5rem 0 0;
  font-size: .92rem;
  color: var(--slate-light);
}

.pd-changelog-figure {
  margin: 0;
}

.pd-changelog-figure img {
  width: 100%;
  display: block;
  border: 1px solid rgba(136,146,176,.22);
}

.pd-changelog-figure figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--slate-light);
  margin-top: .5rem;
  letter-spacing: .06em;
}

/* 核心功能 */
.pd-features {
  border-bottom: 1px solid rgba(136,146,176,.16);
}

.pd-feature-hero {
  margin: 0 0 2rem;
}

.pd-feature-hero img {
  width: 100%;
  display: block;
  border: 1px solid rgba(57,255,20,.25);
}

.pd-feature-hero figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--slate-light);
  margin-top: .5rem;
}

.pd-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pd-feature-item {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  border-top: 2px solid transparent;
  transition: border-color .25s ease, transform .25s ease;
}

.pd-feature-item:hover {
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.pd-feature-item:hover .pd-feature-num {
  color: var(--neon);
}

.pd-feature-num {
  font-family: var(--font-data);
  font-size: 1.1rem;
  color: var(--orange);
  display: inline-block;
  margin-bottom: .9rem;
  transition: color .25s ease;
}

.pd-feature-item h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--white);
}

.pd-feature-item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--slate-light);
}

/* 登录指引 */
.pd-login {
  border-bottom: 1px solid rgba(136,146,176,.16);
}

.pd-login-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.pd-login-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pd-login-step;
  display: grid;
  gap: 1.5rem;
}

.pd-login-step {
  counter-increment: pd-login-step;
  position: relative;
  padding-left: 3.2rem;
}

.pd-login-step::before {
  content: counter(pd-login-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-data);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.pd-login-step h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--white);
}

.pd-login-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--slate-light);
}

.pd-login-figure {
  margin: 0;
}

.pd-login-figure img {
  width: 100%;
  display: block;
  border: 1px solid rgba(136,146,176,.22);
}

.pd-login-figure figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--slate-light);
  margin-top: .5rem;
}

.pd-login-notice {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  background: rgba(255,107,53,.08);
  border-left: 4px solid var(--orange);
  padding: 1.1rem 1.25rem;
}

.pd-login-notice .edge-label {
  white-space: nowrap;
}

.pd-login-notice p {
  margin: 0;
  font-size: .92rem;
  color: var(--slate-light);
}

/* 系统要求 */
.pd-req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pd-req-card {
  padding: 1.4rem 1.5rem;
  border-top: 2px solid var(--cyan);
}

.pd-req-card h3 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--white);
}

.pd-req-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .4rem;
}

.pd-req-card li {
  position: relative;
  padding-left: 1rem;
  font-size: .9rem;
  color: var(--slate-light);
  line-height: 1.5;
}

.pd-req-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.pd-support-bar {
  margin-top: 2.5rem;
  background: rgba(57,255,20,.06);
  border-left: 4px solid var(--neon);
  padding: 1.1rem 1.25rem;
}

.pd-support-bar p {
  margin: 0;
  font-size: .92rem;
  color: var(--slate-light);
  line-height: 1.7;
}

/* 响应式 */
@media (min-width: 640px) {
  .pd-download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pd-dl-h5 {
    grid-column: 1 / -1;
  }

  .pd-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pd-req-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .pd-hero-inner {
    grid-template-columns: 1.15fr .85fr;
    align-items: end;
    gap: 3rem;
  }

  .pd-hero-stats {
    grid-template-columns: 1fr;
  }

  .pd-hero-stat {
    display: flex;
    align-items: baseline;
    gap: .75rem;
    padding: 1.1rem 1.2rem;
  }

  .pd-hero-stat-num {
    margin-bottom: 0;
  }

  .pd-login-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .pd-download-layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
  }

  .pd-dl-side {
    position: sticky;
    top: 1.5rem;
  }

  .pd-download-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .pd-dl-windows,
  .pd-dl-macos {
    grid-column: span 3;
  }

  .pd-dl-android,
  .pd-dl-ios,
  .pd-dl-h5 {
    grid-column: span 2;
  }

  .pd-changelog-layout {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }

  .pd-feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}