.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products {
  --pc-gutter: clamp(1.25rem, 4vw, 3rem);
  --pc-max: 1360px;
  background: var(--cream-bg);
  color: var(--dark-brown);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  padding-bottom: 0;
}

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

.page-products h1,
.page-products h2,
.page-products h3 {
  color: var(--brand-blue);
  font-family: var(--font-headline);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

.page-products h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-products h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
}

.page-products h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 700;
}

.page-products p {
  margin: 0 0 1em;
}

.page-products ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.page-products a {
  color: var(--brand-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.page-products .breadcrumb {
  align-items: center;
  color: var(--steel-blue);
  display: flex;
  font-size: 0.85rem;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  max-width: var(--pc-max);
}

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

.page-products .breadcrumb a:hover {
  color: var(--accent-gold);
}

.page-products .breadcrumb__sep {
  color: var(--accent-gold);
}

.page-products .breadcrumb__current {
  color: var(--brand-blue);
  font-family: var(--font-headline);
  font-weight: 700;
}

/* ---------- Hero ---------- */
.page-products .pc-hero {
  padding: clamp(5.5rem, 10vw, 7.5rem) var(--pc-gutter) 3rem;
  position: relative;
}

.page-products .pc-hero::before {
  color: var(--accent-gold);
  content: "— CONTENT HUB —";
  font-size: 0.7rem;
  left: var(--pc-gutter);
  letter-spacing: 0.28em;
  overflow: hidden;
  position: absolute;
  text-transform: uppercase;
  top: 7.2rem;
  transform: translateX(-50%) rotate(180deg);
  writing-mode: vertical-rl;
}

.page-products .pc-hero__grid {
  display: grid;
  gap: 2rem;
  margin-inline: auto;
  max-width: var(--pc-max);
}

.page-products .pc-hero__content {
  position: relative;
}

.page-products .pc-hero__content::before {
  color: var(--brand-blue);
  content: "04";
  font-family: var(--font-headline);
  font-size: 9rem;
  font-weight: 800;
  line-height: 1;
  opacity: 0.07;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: -2rem;
  z-index: 0;
}

.page-products .pc-hero__content > * {
  position: relative;
  z-index: 1;
}

.page-products .pc-hero__eyebrow {
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.page-products .pc-hero__lead {
  color: var(--steel-blue);
  font-size: 1.05rem;
  max-width: 43em;
}

.page-products .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .pc-hero__actions .btn-system {
  margin: 0;
}

.page-products .pc-hero__fig {
  border-radius: var(--radius-md);
  margin: 0;
  position: relative;
}

.page-products .pc-hero__fig::after {
  border-bottom: 2px solid var(--accent-gold);
  border-right: 2px solid var(--accent-gold);
  content: "";
  height: 38%;
  position: absolute;
  right: -0.75rem;
  top: 55%;
  width: 30%;
}

.page-products .pc-hero__fig img {
  border-radius: var(--radius-md);
  width: 100%;
}

/* ---------- 内容中心导航 ---------- */
.page-products .pc-center-nav {
  margin-inline: auto;
  max-width: var(--pc-max);
  padding: 3.5rem var(--pc-gutter) 4.5rem;
}

.page-products .pc-center-nav__top {
  position: relative;
}

.page-products .pc-center-nav__index {
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.page-products .pc-center-nav__intro {
  color: var(--steel-blue);
  max-width: 48em;
}

.page-products .pc-center-nav__list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-products .pc-center-nav__item {
  background: var(--white-card);
  border: 1px solid var(--steel-blue);
  border-radius: var(--radius-sm);
  display: grid;
  gap: 0.4rem;
  padding: 1.5rem 1.25rem 1.5rem 4.75rem;
  position: relative;
  text-decoration: none;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.page-products .pc-center-nav__item:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-soft);
  color: var(--brand-blue);
  transform: translateY(-3px);
}

.page-products .pc-center-nav__item::before {
  background: var(--brand-blue);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.page-products .pc-center-nav__item:hover::before {
  background: var(--accent-gold);
}

.page-products .pc-center-nav__num {
  color: var(--accent-gold);
  font-family: var(--font-headline);
  font-size: 1.6rem;
  font-weight: 800;
  left: 1rem;
  line-height: 1;
  position: absolute;
  top: 1.4rem;
}

.page-products .pc-center-nav__name {
  color: var(--brand-blue);
  font-family: var(--font-headline);
  font-size: 1.25rem;
}

.page-products .pc-center-nav__desc {
  color: var(--steel-blue);
  font-size: 0.92rem;
}

/* ---------- 规则库 ---------- */
.page-products .pc-rules {
  margin-inline: auto;
  max-width: var(--pc-max);
  padding: 4rem var(--pc-gutter) 5rem;
  position: relative;
}

.page-products .pc-rules::before {
  background: var(--brand-blue);
  content: "";
  height: 100%;
  left: 0;
  opacity: 0.035;
  position: absolute;
  top: 0;
  width: 6px;
}

.page-products .pc-rules__top {
  display: grid;
  gap: 1rem;
}

.page-products .pc-rules__mark,
.page-products .pc-gameplay__mark,
.page-products .pc-versions__mark,
.page-products .pc-account__mark {
  color: var(--red-orange);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.page-products .pc-rules__summary {
  color: var(--steel-blue);
  max-width: 52em;
}

.page-products .pc-rules .tags-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.75rem 0 1.5rem;
  width: 100%;
}

.page-products .tags-filter__btn {
  background: transparent;
  border: 1px solid var(--steel-blue);
  border-radius: 999px;
  color: var(--brand-blue);
  cursor: pointer;
  font: 600 0.88rem/1.4 var(--font-body);
  padding: 0.5rem 1.1rem;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.page-products .tags-filter__btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.page-products .tags-filter__btn.is-active {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: var(--cream-bg);
}

.page-products .pc-rules__body {
  display: grid;
  gap: 2rem;
}

.page-products .pc-rules__list {
  display: grid;
  gap: 1.25rem;
}

.page-products .pc-rules__list .entry-card {
  background: var(--white-card);
  border: 1px solid var(--steel-blue);
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(10, 31, 68, 0.04);
  padding: 1.5rem 1.5rem 1.25rem;
  position: relative;
  transition: box-shadow var(--transition-base), border-left-color var(--transition-base);
}

.page-products .pc-rules__list .entry-card:hover {
  border-left-color: var(--red-orange);
  box-shadow: var(--shadow-soft);
}

.page-products .pc-rules__list .entry-card[hidden] {
  display: none;
}

.page-products .entry-card__number {
  color: var(--pale-gold);
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.page-products .entry-card__title {
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.page-products .entry-card__summary {
  color: var(--dark-brown);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.page-products .entry-card__meta {
  border-top: 1px solid var(--pale-gold);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.85rem;
  gap: 1.25rem;
  margin: 0;
  padding-top: 0.85rem;
}

.page-products .entry-card__meta div {
  display: flex;
  gap: 0.4rem;
}

.page-products .entry-card__meta dt {
  color: var(--steel-blue);
  font-weight: 500;
}

.page-products .entry-card__meta dd {
  color: var(--brand-blue);
  font-weight: 700;
  margin: 0;
}

.page-products .entry-card__badge {
  background: var(--red-orange);
  border-radius: 2px;
  color: #fff;
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-top: 0.85rem;
  padding: 0.3rem 0.6rem;
  text-transform: uppercase;
}

.page-products .entry-card__more {
  border-top: 1px dashed var(--pale-gold);
  margin-top: 0.95rem;
  padding-top: 0.6rem;
}

.page-products .entry-card__more summary {
  align-items: center;
  color: var(--brand-blue);
  cursor: pointer;
  display: flex;
  font-size: 0.85rem;
  font-weight: 600;
  gap: 0.5rem;
  list-style: none;
}

.page-products .entry-card__more summary::-webkit-details-marker {
  display: none;
}

.page-products .entry-card__more summary::after {
  color: var(--accent-gold);
  content: "＋";
  font-size: 1rem;
}

.page-products .entry-card__more[open] summary::after {
  content: "－";
}

.page-products .entry-card__more p {
  color: var(--steel-blue);
  font-size: 0.88rem;
  margin: 0.6rem 0 0;
}

.page-products .pc-rules__fig {
  margin: 0;
  position: relative;
}

.page-products .pc-rules__fig::before {
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-md);
  content: "";
  height: 85%;
  position: absolute;
  right: -0.8rem;
  top: -0.8rem;
  width: 85%;
}

.page-products .pc-rules__fig img {
  border-radius: var(--radius-md);
  position: relative;
  width: 100%;
}

/* ---------- 玩法库 ---------- */
.page-products .pc-gameplay {
  background: var(--brand-blue);
  color: var(--cream-bg);
  padding: 4.5rem var(--pc-gutter);
  position: relative;
}

.page-products .pc-gameplay::after {
  background: var(--accent-gold);
  content: "";
  height: 3px;
  position: absolute;
  right: 0;
  top: 0;
  width: 18%;
}

.page-products .pc-gameplay h2,
.page-products .pc-gameplay h3 {
  color: var(--cream-bg);
}

.page-products .pc-gameplay__head p {
  color: rgba(244, 239, 230, 0.75);
}

.page-products .pc-gameplay__list {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.page-products .pc-gameplay__item {
  border-top: 1px solid rgba(201, 160, 99, 0.45);
  padding: 1.5rem 0 0.5rem;
  position: relative;
}

.page-products .pc-gameplay__item::before {
  background: var(--accent-gold);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  top: -2px;
  width: 2.5rem;
}

.page-products .pc-gameplay__icon {
  color: var(--accent-gold);
  display: block;
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 1rem;
}

.page-products .pc-gameplay__item p {
  color: rgba(244, 239, 230, 0.8);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------- 版本库 ---------- */
.page-products .pc-versions {
  display: grid;
  gap: 2rem;
  margin-inline: auto;
  max-width: var(--pc-max);
  padding: 4.5rem var(--pc-gutter);
}

.page-products .pc-versions__intro {
  position: relative;
}

.page-products .pc-versions__intro::after {
  background: var(--accent-gold);
  content: "";
  height: 2px;
  margin-top: 1.2rem;
  width: 88px;
}

.page-products .pc-versions__intro p {
  color: var(--steel-blue);
}

.page-products .pc-versions__intro .btn-system {
  margin-top: 0.5rem;
}

.page-products .pc-versions__body {
  display: grid;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.page-products .pc-versions__feature {
  background: var(--pale-gold);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
}

.page-products .pc-versions__feature-head {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .pc-versions__tag {
  background: var(--brand-blue);
  border-radius: 999px;
  color: var(--cream-bg);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  text-transform: uppercase;
}

.page-products .pc-versions__points {
  color: var(--dark-brown);
  font-size: 0.95rem;
}

.page-products .pc-versions__points li {
  margin-bottom: 0.5rem;
}

.page-products .pc-versions__timeline {
  border-left: 2px solid var(--steel-blue);
  margin-left: 0.75rem;
  padding: 0.25rem 0 0.25rem 1.5rem;
}

.page-products .pc-versions__line {
  color: var(--red-orange);
  display: block;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.page-products .pc-versions__timeline p {
  color: var(--steel-blue);
  font-size: 0.92rem;
  margin: 0;
}

.page-products .pc-versions__fig {
  margin: 1rem 0 0;
}

.page-products .pc-versions__fig img {
  border-radius: var(--radius-md);
  width: 100%;
}

/* ---------- 账户中心 ---------- */
.page-products .pc-account {
  background: var(--white-card);
  border-bottom: 3px solid var(--brand-blue);
  display: grid;
  gap: 2.5rem;
  padding: 4.5rem var(--pc-gutter);
}

.page-products .pc-account__main {
  max-width: 760px;
}

.page-products .pc-account__intro {
  position: relative;
}

.page-products .pc-account__lead {
  color: var(--steel-blue);
  font-size: 1.05rem;
}

.page-products .pc-account__service {
  border-top: 1px solid var(--pale-gold);
  border-bottom: 1px solid var(--pale-gold);
  list-style: none;
  margin: 1.5rem 0;
  padding: 1.25rem 0;
}

.page-products .pc-account__service li {
  color: var(--dark-brown);
  font-size: 0.95rem;
  padding: 0.35rem 0 0.35rem 1.6rem;
  position: relative;
}

.page-products .pc-account__service li::before {
  color: var(--accent-gold);
  content: "◆";
  font-size: 0.75rem;
  left: 0;
  position: absolute;
  top: 0.7rem;
}

.page-products .pc-account__security {
  background: var(--brand-blue);
  border-radius: var(--radius-md);
  color: var(--cream-bg);
  display: grid;
  gap: 0.35rem;
  padding: 1.5rem 1.75rem;
}

.page-products .pc-account__security span {
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-products .pc-account__security p {
  color: rgba(244, 239, 230, 0.88);
  font-size: 0.92rem;
  margin: 0;
}

.page-products .pc-account__fig {
  margin: 1.5rem 0 0;
}

.page-products .pc-account__fig img {
  border-radius: 50%;
  margin-inline: auto;
  max-width: 260px;
  width: 100%;
}

.page-products .pc-account__contact {
  background: var(--cream-bg);
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
}

.page-products .pc-account__contact h3 {
  border-bottom: 2px solid var(--accent-gold);
  display: inline-block;
  margin-bottom: 1.25rem;
  padding-bottom: 0.25rem;
}

.page-products .pc-account__contact-item {
  color: var(--dark-brown);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.page-products .pc-account__contact-item br {
  display: block;
  margin-bottom: 0.1rem;
}

.page-products .pc-account__note {
  color: var(--steel-blue);
  font-size: 0.82rem;
  margin-top: 1rem;
}

.page-products .pc-account__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-products .pc-account__contact-actions .btn-system {
  margin: 0;
}

/* ---------- 服务保障 / 联系图 ---------- */
.page-products .pc-assurance {
  align-items: center;
  display: grid;
  gap: 2rem;
  margin-inline: auto;
  max-width: var(--pc-max);
  padding: 4rem var(--pc-gutter) 5rem;
}

.page-products .pc-assurance__quote {
  border-left: 4px solid var(--accent-gold);
  padding-left: 1.5rem;
}

.page-products .pc-assurance__quote p {
  color: var(--brand-blue);
  font-family: var(--font-headline);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.6;
  margin: 0;
}

.page-products .pc-assurance__fig {
  margin: 0;
}

.page-products .pc-assurance__fig img {
  border-radius: var(--radius-md);
  width: 100%;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .pc-center-nav__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pc-rules__top {
    align-items: end;
    grid-template-columns: 1fr 1.2fr;
  }

  .page-products .pc-rules__body {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .page-products .pc-rules__fig {
    margin-top: 0;
  }

  .page-products .pc-gameplay__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .page-products .pc-gameplay__item {
    margin-top: 0;
  }

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

  .page-products .pc-account__service {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .pc-hero__grid {
    align-items: center;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pc-hero__content {
    padding-right: 2rem;
  }

  .page-products .pc-hero__lead {
    font-size: 1.1rem;
  }

  .page-products .pc-center-nav__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .page-products .pc-center-nav__item {
    padding-left: 4.5rem;
  }

  .page-products .pc-rules {
    padding-top: 5rem;
  }

  .page-products .pc-rules__body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 2.5rem;
  }

  .page-products .pc-versions {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .pc-versions__intro {
    padding-right: 2.5rem;
  }

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

  .page-products .pc-versions__fig {
    grid-column: 2;
    margin-top: -1rem;
  }

  .page-products .pc-account {
    gap: 2rem;
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-products .pc-account__contact {
    align-self: start;
    position: sticky;
    top: 100px;
  }

  .page-products .pc-account__fig img {
    max-width: 300px;
  }

  .page-products .pc-assurance {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 3.5rem;
  }
}