.page-products {
  --pd-cut: 16px;
  --pd-line: #2A3A5C;
  --pd-panel: #0B1B3A;
  --pd-panel-2: #12244A;
  --pd-cyan-soft: rgba(0, 229, 255, 0.55);
  background: var(--crown-ink);
  color: var(--crown-paper);
  font-family: var(--crown-font-sans);
  padding-bottom: 64px;
  overflow-x: clip;
}

.page-products .crown-breadcrumb {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--crown-muted);
  padding: 18px 0 0;
}

.page-products .crown-breadcrumb a {
  color: var(--crown-muted);
  text-decoration: none;
}

.page-products .crown-breadcrumb a:hover {
  color: var(--crown-cyan);
}

.page-products .crown-breadcrumb span[aria-hidden="true"] {
  padding: 0 8px;
  color: var(--crown-steel);
}

/* ---------- 首屏 ---------- */
.pd-hero {
  position: relative;
  padding-bottom: 40px;
  background:
    radial-gradient(120% 80% at 82% 8%, rgba(0, 229, 255, 0.1), transparent 62%),
    radial-gradient(90% 70% at 6% 0%, rgba(212, 175, 55, 0.12), transparent 58%);
}

.pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 24px;
  align-items: center;
}

.pd-hero__copy .crown-display {
  margin: 14px 0 18px;
}

.pd-hero__copy .crown-lead {
  max-width: 54ch;
  color: var(--crown-muted);
  font-size: 16px;
  line-height: 1.85;
}

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

.pd-hero__visual {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--crown-steel);
  background: linear-gradient(155deg, var(--pd-panel-2), var(--crown-ink) 78%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.pd-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.pd-cap {
  margin: 10px 2px 2px;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--crown-muted);
}

/* ---------- 版本数据面板 ---------- */
.pd-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 44px;
  border: 1px solid var(--crown-steel);
  background: var(--crown-steel);
}

.pd-spec__item {
  position: relative;
  padding: 20px 16px 22px;
  background: var(--crown-indigo);
}

.pd-spec__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  width: 30px;
  height: 2px;
  background: var(--crown-cyan);
}

.pd-spec__label {
  margin: 0;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crown-muted);
}

.pd-spec__value {
  margin: 8px 0 0;
  font-family: var(--crown-font-mono);
  font-size: 19px;
  line-height: 1.35;
  color: var(--crown-gold);
  word-break: break-word;
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-sec {
  padding: 48px 0;
  border-top: 1px solid rgba(42, 58, 92, 0.7);
}

.pd-sec__head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.pd-sec__idx {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--crown-gold);
}

.pd-sec__idx::after {
  content: "";
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--crown-gold), transparent);
}

.pd-sec__lead {
  margin: 0;
  max-width: 64ch;
  color: var(--crown-muted);
  font-size: 15px;
  line-height: 1.85;
}

.pd-sub {
  margin: 34px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--crown-gold);
  font-size: 19px;
  line-height: 1.4;
  color: var(--crown-paper);
}

.pd-body-text {
  margin: 0 0 6px;
  max-width: 66ch;
  color: var(--crown-muted);
  font-size: 15px;
  line-height: 1.9;
}

.pd-link {
  color: var(--crown-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.pd-link:hover {
  color: var(--crown-gold-hi);
  border-bottom-color: var(--crown-gold-hi);
}

/* ---------- 章节背景带 ---------- */
.pd-band {
  margin: 0 0 30px;
  overflow: hidden;
  border-top: 1px solid var(--crown-steel);
  border-bottom: 1px solid var(--crown-steel);
}

.pd-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(88px, 15vw, 170px);
  object-fit: cover;
  opacity: 0.85;
}

/* ---------- 四步 ---------- */
.pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.pd-step {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--crown-steel);
  background: var(--pd-panel);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color 300ms var(--crown-ease), background 300ms var(--crown-ease);
}

.pd-step:hover,
.pd-step[open] {
  border-color: var(--crown-gold);
  background: var(--pd-panel-2);
}

.pd-step summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

.pd-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--crown-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--crown-gold);
}

.pd-step[open] summary::after {
  content: "\2212";
}

.pd-step__num {
  font-family: var(--crown-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--crown-cyan);
}

.pd-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--crown-paper);
}

.pd-step__body {
  margin-top: 14px;
  border-top: 1px dashed rgba(42, 58, 92, 0.9);
  padding-top: 12px;
}

.pd-step__body p {
  margin: 0 0 10px;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

.pd-step__body p.pd-step__tip {
  margin-bottom: 0;
  padding-left: 12px;
  border-left: 2px solid var(--crown-gold);
  color: var(--crown-paper);
  font-size: 13px;
  line-height: 1.8;
}

/* ---------- 登录 ---------- */
.pd-login-media {
  margin: 0 0 30px;
  border: 1px solid var(--crown-steel);
  overflow: hidden;
}

.pd-login-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.pd-prepare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--crown-steel);
  border: 1px solid var(--crown-steel);
}

.pd-prepare__item {
  padding: 20px 18px;
  background: var(--crown-indigo);
}

.pd-prepare__title {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--crown-gold);
}

.pd-prepare__item p {
  margin: 0;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

.pd-fails {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.pd-fail {
  padding: 18px;
  background: var(--pd-panel-2);
  border-left: 3px solid var(--crown-cyan);
}

.pd-fail__tag {
  margin: 0 0 8px;
  font-family: var(--crown-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--crown-cyan);
}

.pd-fail p:last-child {
  margin: 0;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 校验 ---------- */
.pd-verify {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.pd-verify__card {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--crown-steel);
  background: linear-gradient(160deg, var(--pd-panel-2), var(--crown-indigo) 85%);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.pd-verify__label {
  margin: 0 0 10px;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--crown-muted);
}

.pd-verify__title {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--crown-paper);
}

.pd-verify__card p:last-child {
  margin: 0;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 版本列表 ---------- */
.pd-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.pd-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .crown-filter__btn {
  font-family: var(--crown-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 8px 14px;
  background: transparent;
  color: var(--crown-muted);
  border: 1px solid var(--crown-steel);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: color 220ms var(--crown-ease), border-color 220ms var(--crown-ease), background 220ms var(--crown-ease);
}

.page-products .crown-filter__btn:hover {
  color: var(--crown-cyan);
  border-color: var(--crown-cyan);
}

.page-products .crown-filter__btn[aria-pressed="true"] {
  background: var(--crown-gold);
  border-color: var(--crown-gold);
  color: var(--crown-ink);
}

.pd-filter__status {
  flex-basis: 100%;
  margin: 2px 0 0;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--crown-muted);
}

.pd-vlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--crown-steel);
}

.pd-vrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--crown-steel);
  transition: background 220ms var(--crown-ease);
}

.pd-vrow:hover {
  background: rgba(18, 36, 74, 0.55);
}

.page-products [data-filter-item].is-hidden {
  display: none;
}

.pd-vrow__no {
  grid-column: 1;
  font-family: var(--crown-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--crown-gold);
}

.pd-vrow__text {
  grid-column: 1 / -1;
  color: var(--crown-paper);
  font-size: 15px;
  line-height: 1.75;
}

.pd-vrow__time {
  grid-column: 1 / -1;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--crown-muted);
}

.pd-vrow__tag {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  padding: 3px 10px;
  font-family: var(--crown-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.pd-tag--new {
  color: var(--crown-green);
}

.pd-tag--opt {
  color: var(--crown-cyan);
}

.pd-tag--fix {
  color: var(--crown-gold);
}

.pd-timeline {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--crown-steel);
  background: linear-gradient(180deg, var(--pd-panel-2), var(--crown-ink));
}

.pd-timeline img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ---------- 设备建议 ---------- */
.pd-device {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.pd-device__media {
  margin: 0;
  border: 1px solid var(--crown-steel);
  overflow: hidden;
}

.pd-device__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.pd-device__list {
  display: grid;
  gap: 18px;
}

.pd-device__item {
  padding-left: 14px;
  border-left: 2px solid var(--crown-steel);
}

.pd-device__item:hover {
  border-left-color: var(--crown-cyan);
}

.pd-device__title {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--crown-gold);
}

.pd-device__item p {
  margin: 0;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 收尾行动区 ---------- */
.pd-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 48px;
  padding: 26px 22px;
  border: 1px solid var(--crown-steel);
  border-top: 2px solid var(--crown-gold);
  background: linear-gradient(118deg, var(--pd-panel-2), var(--crown-indigo) 58%, var(--crown-ink));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.pd-cta__copy {
  flex: 1 1 320px;
  min-width: 0;
}

.pd-cta__title {
  margin: 0 0 10px;
  font-size: 22px;
  color: var(--crown-paper);
}

.pd-cta__text {
  margin: 0;
  max-width: 58ch;
  color: var(--crown-muted);
  font-size: 14px;
  line-height: 1.85;
}

.pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .pd-spec {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .pd-vrow {
    grid-template-columns: 112px minmax(0, 1fr) 78px 96px;
    align-items: baseline;
    column-gap: 18px;
  }

  .pd-vrow__no {
    grid-column: auto;
  }

  .pd-vrow__text {
    grid-column: auto;
  }

  .pd-vrow__time {
    grid-column: auto;
  }

  .pd-vrow__tag {
    grid-column: auto;
    grid-row: auto;
    justify-self: start;
  }
}

@media (min-width: 900px) {
  .page-products .pd-sec {
    padding: 64px 0;
  }

  .pd-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    padding-top: 34px;
  }

  .pd-hero__visual {
    padding: 12px;
  }

  .pd-device {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 40px;
  }

  .pd-versions__grid {
    grid-template-columns: minmax(0, 1fr) 258px;
    gap: 44px;
  }

  .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .pd-steps .pd-step::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -22px;
    width: 18px;
    height: 1px;
    background: linear-gradient(90deg, var(--crown-gold), var(--crown-cyan));
    transform: rotate(-28deg);
  }

  .pd-steps .pd-step:last-child::after {
    display: none;
  }
}

@media (min-width: 1120px) {
  .pd-spec {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .pd-spec__value {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
  }
}