/* ===== 产品服务页专属样式 ===== */
.page-products {
  color: var(--ink);
  background: var(--bg-mist);
  overflow-x: hidden;
}

.page-products .container {
  width: min(var(--container-w), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

/* ---------- 面包屑 ---------- */
.page-products .crumb {
  padding: 1.5rem 0 0.5rem;
}
.page-products .crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.page-products .crumb__item a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 30, 58, 0.25);
  transition: border-color var(--t-fast) ease, color var(--t-fast) ease;
}
.page-products .crumb__item a:hover {
  color: var(--gold-deep);
  border-color: var(--gold);
}
.page-products .crumb__sep {
  color: var(--muted);
}
.page-products .crumb__item[aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

/* ---------- 平台概述 Hero ---------- */
.page-products .prod-hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 70%, #243b6b 100%);
  color: var(--white);
  padding: 2.5rem 0 3.5rem;
  overflow: hidden;
}
.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 55%;
  height: 80%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.22) 0%, transparent 68%);
  pointer-events: none;
}
.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -45%;
  width: 45%;
  height: 60%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 65%);
  pointer-events: none;
}
.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
}
.page-products .prod-hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-products .prod-hero__content h1 {
  font-family: var(--font-disp);
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0;
  text-wrap: balance;
}
.page-products .prod-hero__lead {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  max-width: 56ch;
  margin: 0;
}
.page-products .prod-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}
.page-products .prod-hero__stats .data-chip {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.7rem 1rem;
  min-width: 108px;
  border-radius: var(--radius-s);
}
.page-products .prod-hero__stats .data-chip__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.page-products .prod-hero__stats .data-chip__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--gold);
  font-weight: 700;
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 0.5rem;
}
.page-products .prod-hero__media {
  position: relative;
}
.page-products .prod-hero__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.35);
  transform: rotate(1.2deg);
  transition: transform var(--t-slow) ease;
}
.page-products .prod-hero__media:hover .prod-hero__img {
  transform: rotate(0.4deg) scale(1.01);
}

/* ---------- 功能矩阵 ---------- */
.page-products .prod-matrix {
  padding: 4rem 0 3.5rem;
  background: var(--bg-mist);
}
.page-products .prod-matrix .section-title {
  max-width: 720px;
}
.page-products .prod-matrix .section-title > p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}
.page-products .prod-matrix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 2.5rem;
}
.page-products .prod-module {
  background: var(--white);
  border-radius: var(--radius-m);
  border: 1px solid var(--line-light);
  box-shadow: 0 8px 24px rgba(11, 30, 58, 0.05);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  overflow: hidden;
  transition: box-shadow var(--t-base) ease, transform var(--t-base) ease;
}
.page-products .prod-module:hover {
  box-shadow: 0 14px 36px rgba(11, 30, 58, 0.1);
  transform: translateY(-3px);
}
.page-products .prod-module__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1.25rem 1.25rem;
  background: var(--white);
  color: var(--ink);
  transition: background var(--t-fast) ease;
}
.page-products .prod-module__head::-webkit-details-marker {
  display: none;
}
.page-products .prod-module[open] .prod-module__head {
  background: rgba(255, 215, 0, 0.08);
}
.page-products .prod-module__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gold-deep);
  background: rgba(255, 215, 0, 0.14);
  border-radius: var(--radius-s);
  padding: 0.25rem 0.5rem;
  line-height: 1;
}
.page-products .prod-module__title {
  font-family: var(--font-disp);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex: 1;
}
.page-products .prod-module__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: var(--bg-mist);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
}
.page-products .prod-module__toggle {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--navy);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 30, 58, 0.08);
  border-radius: 50%;
  transition: transform var(--t-base) ease, background var(--t-base) ease;
  flex-shrink: 0;
}
.page-products .prod-module[open] .prod-module__toggle {
  transform: rotate(45deg);
  background: var(--gold);
}
.page-products .prod-module__body {
  padding: 0 1.25rem 1.25rem;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-top: 1px solid var(--line-light);
  padding-top: 0.9rem;
}
.page-products .prod-module__body p {
  margin: 0;
}
.page-products .prod-matrix__bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.page-products .prod-matrix__media {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(11, 30, 58, 0.12);
}
.page-products .prod-matrix__media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}
.page-products .prod-matrix__note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
.page-products .prod-matrix__note > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.9375rem;
  max-width: 52ch;
}
.page-products .prod-matrix__reco {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}
.page-products .prod-matrix__reco li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  line-height: 1.5;
}
.page-products .prod-matrix__reco li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: skewX(-12deg);
}
.page-products .btn--ghost-navy {
  border: 1.5px solid rgba(11, 30, 58, 0.4);
  color: var(--navy);
  background: transparent;
}
.page-products .btn--ghost-navy:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

/* ---------- V3.1 版本更新 ---------- */
.page-products .prod-version {
  position: relative;
  background: linear-gradient(150deg, var(--navy) 0%, #12264a 55%, var(--navy-light) 100%);
  color: var(--white);
  padding: 4.5rem 0 4.5rem;
  overflow: hidden;
}
.page-products .prod-version::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 50%;
  height: 70%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 65%);
  pointer-events: none;
}
.page-products .prod-version .section-title p {
  color: rgba(255, 255, 255, 0.72);
}
.page-products .prod-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2.25rem;
}
.page-products .prod-version__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.page-products .prod-version__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-m);
  padding: 1.1rem 1.2rem;
  transition: background var(--t-base) ease, transform var(--t-base) ease;
}
.page-products .prod-version__item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(6px);
}
.page-products .prod-version__badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--gold);
  color: var(--navy);
  border-radius: var(--radius-s);
  padding: 0.4rem 0.6rem;
  line-height: 1;
  white-space: nowrap;
  text-transform: uppercase;
}
.page-products .prod-version__badge--orange {
  background: var(--orange);
  color: var(--white);
}
.page-products .prod-version__content h3 {
  font-family: var(--font-disp);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--white);
  letter-spacing: 0.01em;
}
.page-products .prod-version__content p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
}
.page-products .prod-version__media {
  position: relative;
}
.page-products .prod-version__media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}
.page-products .prod-version__float {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: var(--navy-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 215, 0, 0.38);
  border-radius: var(--radius-s);
  padding: 0.65rem 0.9rem;
  min-width: 92px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
}
.page-products .prod-version__float--sec {
  top: auto;
  left: auto;
  bottom: 1.25rem;
  right: 1.25rem;
  border-color: rgba(255, 107, 53, 0.5);
}
.page-products .prod-version__float-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.25rem;
}
.page-products .prod-version__float-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}
.page-products .prod-version__float--sec .prod-version__float-value {
  color: var(--orange);
}

/* ---------- 下载与系统要求 ---------- */
.page-products .prod-download {
  background: var(--bg-mist);
  padding-bottom: 4rem;
}
.page-products .prod-download__banner {
  position: relative;
  height: 220px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.page-products .prod-download__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 30, 58, 0.88) 0%, rgba(11, 30, 58, 0.55) 55%, rgba(11, 30, 58, 0.25) 100%);
  pointer-events: none;
}
.page-products .prod-download__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.page-products .prod-download__banner-inner {
  position: relative;
  z-index: 1;
}
.page-products .prod-download__section-title-band {
  position: relative;
  z-index: 1;
}
.page-products .prod-download .section-title {
  padding-top: 3rem;
}
.page-products .prod-download__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.page-products .prod-download__phone {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-products .prod-download__phone img {
  width: min(260px, 70vw);
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid var(--line-light);
  box-shadow: 0 20px 44px rgba(11, 30, 58, 0.18);
  transform: rotate(-1.5deg);
}
.page-products .prod-download__platforms {
  min-width: 0;
}
.page-products .prod-download__scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0.25rem 0.25rem 1.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) var(--line-light);
}
.page-products .prod-download__scroll::-webkit-scrollbar {
  height: 6px;
}
.page-products .prod-download__scroll::-webkit-scrollbar-track {
  background: var(--line-light);
  border-radius: 999px;
}
.page-products .prod-download__scroll::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 999px;
}
.page-products .prod-platform {
  scroll-snap-align: start;
  flex: 0 0 84%;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  box-shadow: 0 8px 24px rgba(11, 30, 58, 0.06);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 210px;
  transition: transform var(--t-base) ease, box-shadow var(--t-base) ease;
}
.page-products .prod-platform:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(11, 30, 58, 0.12);
}
.page-products .prod-platform__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-s);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.06));
  color: var(--navy);
}
.page-products .prod-platform h3 {
  font-family: var(--font-disp);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--navy);
}
.page-products .prod-platform p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
  flex: 1;
}
.page-products .prod-download__note {
  margin-top: 0.5rem;
  background: rgba(11, 30, 58, 0.04);
  border-left: 3px solid var(--gold);
  padding: 0.9rem 1rem;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}
.page-products .prod-download__note p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}
.page-products .prod-download__note a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
  transition: color var(--t-fast) ease;
}
.page-products .prod-download__note a:hover {
  color: var(--gold-deep);
}

/* ---------- 收藏指南 ---------- */
.page-products .prod-guide {
  background: var(--white);
  padding: 4rem 0;
  position: relative;
}
.page-products .prod-guide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--orange), var(--navy));
}
.page-products .prod-guide .section-title {
  max-width: 680px;
}
.page-products .prod-guide .section-title > p {
  color: var(--muted);
  margin-top: 0.75rem;
}
.page-products .prod-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2.25rem;
}
.page-products .prod-guide__step {
  position: relative;
  background: var(--bg-mist);
  border-radius: var(--radius-m);
  border: 1px solid var(--line-light);
  padding: 1.75rem 1.5rem 1.5rem;
  overflow: hidden;
  transition: transform var(--t-base) ease, box-shadow var(--t-base) ease;
}
.page-products .prod-guide__step:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(11, 30, 58, 0.08);
}
.page-products .prod-guide__step::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.45) 50%);
}
.page-products .prod-guide__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius-s);
  padding: 0.3rem 0.55rem;
  line-height: 1;
  margin-bottom: 1rem;
}
.page-products .prod-guide__step h3 {
  font-family: var(--font-disp);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 0.55rem;
}
.page-products .prod-guide__step p {
  margin: 0;
  font-size: 0.90625rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-products .prod-guide__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line-light);
}
.page-products .prod-guide__cta .btn--ghost-navy {
  border: 1.5px solid rgba(11, 30, 58, 0.4);
  color: var(--navy);
}
.page-products .prod-guide__cta .btn--ghost-navy:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* ---------- 按钮共性 ---------- */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease, transform var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.page-products .btn--gold {
  background: var(--gold);
  color: var(--navy);
}
.page-products .btn--gold:hover {
  background: var(--gold-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 215, 0, 0.32);
}
.page-products .btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: var(--white);
  background: transparent;
}
.page-products .btn--ghost:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.page-products .skew-accent {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 0.9rem;
  transform: skewX(-12deg);
  border-radius: 2px;
  width: fit-content;
}
.page-products .skew-accent > span {
  display: inline-block;
  transform: skewX(12deg);
}
.page-products .skew-accent--gold {
  background: var(--gold);
  color: var(--navy);
}

/* ---------- 大屏适配 ---------- */
@media (min-width: 700px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
  }
  .page-products .prod-matrix__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-products .prod-module__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1.4rem 1.25rem 1rem;
  }
  .page-products .prod-module__title {
    font-size: 1.375rem;
  }
  .page-products .prod-module__toggle {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
  }
  .page-products .prod-module {
    position: relative;
  }
  .page-products .prod-matrix__bottom {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
  }
  .page-products .prod-version__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
  }
  .page-products .prod-download__row {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 2.5rem;
  }
  .page-products .prod-platform {
    flex: 0 0 45%;
  }
  .page-products .prod-guide__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1080px) {
  .page-products .prod-hero {
    padding: 3.5rem 0 5rem;
  }
  .page-products .prod-hero__lead {
    font-size: 1.0625rem;
  }
  .page-products .prod-platform {
    flex: 0 0 32%;
  }
  .page-products .prod-version__list {
    gap: 1.1rem;
  }
  .page-products .prod-download__banner {
    height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-hero__img,
  .page-products .prod-module,
  .page-products .prod-version__item,
  .page-products .prod-platform,
  .page-products .prod-guide__step {
    transition: none;
  }
}