/* ========== 功能服务页 /services/ 页面专属样式 ========== */

.page-products {
  background: var(--color-black);
  color: var(--color-ivory);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ----- 首屏框景 ----- */
.pd-hero {
  position: relative;
  background:
    radial-gradient(circle at 84% 14%, rgba(212, 175, 55, 0.16) 0%, transparent 40%),
    linear-gradient(135deg, var(--color-blue) 0%, var(--color-black) 72%);
  border-bottom: var(--border-heavy);
  padding: var(--space-3) 0 var(--space-4);
  overflow: hidden;
}

.pd-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(247, 243, 232, 0.024) 0,
    rgba(247, 243, 232, 0.024) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
}

.pd-breadcrumb {
  margin-bottom: var(--space-3);
}

.pd-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.pd-hero__grid::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: -0.5rem;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--color-gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.7);
}

.pd-hero__kicker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-1);
}

.pd-hero__kicker .site-kicker {
  margin: 0;
}

.pd-hero__vtext {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold);
  border-left: 2px solid var(--color-gold-deep);
  padding-left: 0.4rem;
  height: 3.4rem;
}

.pd-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 5vw, 3rem);
  line-height: 1.18;
  color: var(--color-white);
  margin: var(--space-2) 0;
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.5);
}

.pd-hero__lead {
  margin: 0;
  max-width: 38em;
  color: var(--color-mist);
  font-size: 1rem;
}

.pd-hero__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.pd-hero__update {
  margin: 0;
  border: 1px dashed var(--color-gold-deep);
  padding: 0.375rem 0.75rem;
  color: var(--color-gold-light);
  font-size: 0.875rem;
}

.pd-hero__figure {
  position: relative;
  margin: 0;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  background: var(--color-blue-2);
  transform: rotate(1deg);
}

.pd-hero__figure::after {
  content: "";
  position: absolute;
  top: -0.625rem;
  right: -0.625rem;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--color-gold);
  box-shadow: 2px 2px 0 var(--color-black);
}

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

.pd-hero__figure figcaption {
  padding: 0.5rem var(--space-2);
  background: var(--color-black);
  border-top: 2px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  letter-spacing: 1px;
}

/* ----- 章节公共头 ----- */
.pd-section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.375rem;
  margin-bottom: var(--space-4);
}

.pd-section-head .section-num {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  padding: 0.2rem 0.625rem;
  transform: skewX(-4deg);
}

.pd-section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  color: var(--color-ivory);
  margin: 0.375rem 0 0;
}

.pd-section-head p {
  margin: 0;
  max-width: 42em;
  color: var(--color-mist);
}

/* ----- 功能总览 Bento ----- */
.pd-overview {
  padding: var(--space-5) 0;
}

.pd-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.pd-overview__card {
  position: relative;
  display: block;
  padding: var(--space-4);
  background: var(--color-blue);
  border: 2px solid var(--color-blue-2);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.8);
  color: var(--color-ivory);
  text-decoration: none;
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.pd-overview__card:hover,
.pd-overview__card:focus-visible {
  border-color: var(--color-gold);
  box-shadow: 8px 8px 0 rgba(212, 175, 55, 0.28);
  transform: translateY(-2px);
}

.pd-overview__card:focus-visible {
  outline: 3px solid var(--color-gold-light);
  outline-offset: 4px;
}

.pd-overview__index {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-gold);
}

.pd-overview__card h3 {
  margin: var(--space-2) 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--color-white);
}

.pd-overview__card p {
  margin: 0;
  color: var(--color-mist);
  font-size: 0.9375rem;
}

.pd-overview__arrow {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 1.375rem;
  color: var(--color-gold);
}

.pd-overview__card--replay {
  background:
    linear-gradient(150deg, rgba(212, 175, 55, 0.14) 0%, rgba(10, 31, 68, 0) 55%),
    var(--color-blue);
}

.pd-overview__card--room {
  background: var(--color-blue-2);
  transform: rotate(0.6deg);
}

.pd-overview__card--room:hover,
.pd-overview__card--room:focus-visible {
  transform: rotate(0.6deg) translateY(-2px);
}

.pd-overview__card--games {
  transform: rotate(-0.6deg);
}

.pd-overview__card--games:hover,
.pd-overview__card--games:focus-visible {
  transform: rotate(-0.6deg) translateY(-2px);
}

/* ----- 功能信息带（连续画布结构） ----- */
.pd-feature {
  position: relative;
  padding: var(--space-5) 0;
  overflow: hidden;
}

.pd-feature::before {
  position: absolute;
  top: 0.5rem;
  right: 4%;
  z-index: 0;
  font-family: var(--font-heading);
  font-size: clamp(4.5rem, 14vw, 10rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(212, 175, 55, 0.18);
  pointer-events: none;
  user-select: none;
}

.pd-feature--replay::before {
  content: "01";
}

.pd-feature--room::before {
  content: "02";
  top: auto;
  bottom: 0.25rem;
  right: 6%;
}

.pd-feature--games::before {
  content: "03";
  top: 0.25rem;
  right: 2%;
}

.pd-feature--replay {
  background:
    linear-gradient(180deg, rgba(10, 31, 68, 0.55) 0%, rgba(10, 31, 68, 0) 28%),
    var(--color-black);
  border-top: 2px solid var(--color-blue-2);
}

.pd-feature--room {
  background: var(--color-blue);
}

.pd-feature--games {
  background:
    radial-gradient(circle at 8% 70%, rgba(212, 175, 55, 0.09) 0%, transparent 30%),
    var(--color-black);
  border-top: 2px solid var(--color-blue-2);
}

.pd-feature__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.pd-feature__lab {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  letter-spacing: 1px;
  color: var(--color-gold-light);
}

.pd-feature__lab span {
  display: inline-grid;
  place-items: center;
  width: 2.125rem;
  height: 2.125rem;
  background: var(--color-gold);
  color: var(--color-black);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  transform: rotate(-3deg);
}

.pd-feature h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 2.05rem);
  line-height: 1.28;
  color: var(--color-white);
}

.pd-feature p {
  color: var(--color-mist);
}

.pd-feature__steps,
.pd-feature__points {
  margin: var(--space-3) 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(199, 211, 230, 0.22);
}

.pd-feature__steps li,
.pd-feature__points li {
  padding: 0.625rem 0;
  border-bottom: 1px solid rgba(199, 211, 230, 0.15);
  color: var(--color-ivory);
  font-size: 0.9375rem;
}

.pd-feature__points li strong {
  color: var(--color-gold);
  font-weight: normal;
  font-family: var(--font-heading);
  letter-spacing: 1px;
}

.pd-feature__steps {
  counter-reset: pd-step;
}

.pd-feature__steps li {
  counter-increment: pd-step;
  display: flex;
  gap: var(--space-2);
}

.pd-feature__steps li::before {
  content: counter(pd-step, decimal-leading-zero);
  font-family: var(--font-heading);
  color: var(--color-gold);
  font-size: 0.8125rem;
  padding-top: 0.2rem;
}

.pd-feature__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.pd-text-link {
  color: var(--color-gold-light);
  font-size: 0.9375rem;
  text-underline-offset: 4px;
}

.pd-text-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.pd-feature__figure {
  position: relative;
  margin: 0;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  background: var(--color-blue-2);
}

.pd-feature__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.pd-feature__figure figcaption {
  padding: 0.5rem var(--space-2);
  background: var(--color-black);
  border-top: 2px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  letter-spacing: 1px;
}

.pd-feature--games .pd-feature__figure img {
  aspect-ratio: 4 / 3;
}

/* ----- 房间编号 LED 演示 ----- */
.pd-room-demo {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin: var(--space-3) 0;
}

.pd-room-demo__cell {
  display: inline-grid;
  place-items: center;
  min-width: 2.75rem;
  height: 3rem;
  padding: 0 0.375rem;
  background: var(--color-black);
  border: 2px solid var(--color-gold);
  box-shadow: inset 0 0 10px rgba(212, 175, 55, 0.32);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

.pd-room-demo__cell--a {
  border-color: var(--color-gold-light);
  background:
    linear-gradient(0deg, rgba(212, 175, 55, 0.18) 0%, transparent 100%),
    var(--color-black);
}

.pd-room-demo__sep {
  color: var(--color-gold-deep);
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

/* ----- 玩法中心列表演示 ----- */
.pd-games-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.pd-game-item {
  position: relative;
  padding: var(--space-3);
  background: var(--color-blue-2);
  border: 2px solid var(--color-blue-2);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.65);
}

.pd-game-item--gold {
  border-color: var(--color-gold);
}

.pd-game-item__icon {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.5rem;
  background: var(--color-black);
  border: 1px solid var(--color-gold-deep);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-size: 1.125rem;
}

.pd-game-item h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.pd-game-item p {
  margin: 0;
  color: var(--color-mist);
  font-size: 0.875rem;
}

/* ----- 兼容与适配 ----- */
.pd-compat {
  background:
    radial-gradient(circle at 12% 8%, rgba(212, 175, 55, 0.1) 0%, transparent 38%),
    var(--color-blue);
  border-top: var(--border-heavy);
  border-bottom: var(--border-heavy);
  padding: var(--space-5) 0;
}

.pd-compat__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.pd-compat__item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space-3);
  background: var(--color-black);
  border: 2px solid var(--color-blue-2);
}

.pd-compat__item svg {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-gold);
}

.pd-compat__item h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.pd-compat__item p {
  margin: 0;
  color: var(--color-mist);
  font-size: 0.875rem;
}

.pd-compat__figure {
  margin: var(--space-4) 0 0;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard);
  background: var(--color-blue-2);
}

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

.pd-compat__figure figcaption {
  padding: 0.5rem var(--space-2);
  background: var(--color-black);
  border-top: 2px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  letter-spacing: 1px;
}

.pd-compat__note {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(212, 175, 55, 0.08);
  border: 1px dashed var(--color-gold-deep);
}

.pd-compat__note p {
  margin: 0;
  color: var(--color-ivory);
  font-size: 0.9375rem;
}

/* ----- 底部信任带 ----- */
.pd-trust {
  padding: var(--space-5) 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.12) 0%, transparent 55%),
    var(--color-black);
  text-align: center;
}

.pd-trust__inner h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--color-gold-light);
}

.pd-trust__inner > p {
  margin: var(--space-2) auto var(--space-4);
  max-width: 44em;
  color: var(--color-mist);
}

.pd-trust__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

/* ----- 平板及以上 ----- */
@media (min-width: 700px) {
  .pd-games-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* ----- 桌面 ----- */
@media (min-width: 900px) {
  .pd-hero {
    padding-top: var(--space-4);
  }

  .pd-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-5);
  }

  .pd-hero__figure {
    transform: rotate(1deg) translateY(0.5rem);
  }

  .pd-overview__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-4);
  }

  .pd-overview__card--replay {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 360px;
    padding: var(--space-5);
  }

  .pd-overview__card--replay .pd-overview__index {
    font-size: 4.25rem;
    margin-bottom: auto;
  }

  .pd-overview__card--replay h3 {
    font-size: 1.5rem;
  }

  .pd-feature__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: var(--space-5);
  }

  .pd-feature--room .pd-feature__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .pd-feature--room .pd-feature__copy {
    order: 2;
  }

  .pd-feature--room .pd-feature__figure {
    order: 1;
  }
}

/* ----- 减少动画偏好 ----- */
@media (prefers-reduced-motion: reduce) {
  .pd-hero__figure,
  .pd-overview__card,
  .pd-feature__figure,
  .pd-compat__figure {
    transition: none !important;
  }
}