/* ==========================================================
   游戏与方案 · 页面专属样式
   作用域：.page-products
   ========================================================== */

.page-products {
  --prod-step: 2.4rem;
  --prod-node: 0.62rem;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(1.75rem, 4.5vw, 3.25rem) clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-products .prod-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.9rem;
  align-items: center;
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: 3rem;
  }
}

.page-products .prod-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 3rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0.55rem 0 1rem;
  color: var(--ink);
}

.page-products .prod-hero__lead {
  max-width: 42em;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.85;
  font-size: 0.98rem;
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2.2rem;
  margin: 1.5rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-strong);
}

.page-products .prod-fact dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--grey-ink);
  margin-bottom: 0.2rem;
}

.page-products .prod-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
}

.page-products .prod-fact dd strong {
  font-size: 1.4rem;
  color: var(--gold-deep);
  margin-inline: 0.1em;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.65rem;
}

.page-products .prod-hero__visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, var(--crimson) 0%, #5B1414 60%, var(--ink) 100%);
  box-shadow: var(--shadow-lift);
}

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

/* ---------- 目录 + 长卷骨架 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
  padding-bottom: 3rem;
}

.page-products .prod-body {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-products .prod-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 3.5rem;
  }
}

.page-products .prod-toc__inner {
  padding-top: 0.85rem;
  border-top: 2px solid var(--ink);
}

@media (min-width: 1000px) {
  .page-products .prod-toc__inner {
    position: sticky;
    top: 5.5rem;
  }
}

.page-products .prod-toc__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--crimson);
}

.page-products .prod-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
}

.page-products .prod-toc__link {
  display: block;
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  color: var(--grey-ink);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .prod-toc__link:hover,
.page-products .prod-toc__link:focus-visible {
  color: var(--vermilion);
  border-color: var(--vermilion);
}

.page-products .prod-toc__link[aria-current="true"] {
  color: var(--paper-raised);
  background: var(--crimson);
  border-color: var(--crimson);
  font-weight: 700;
}

@media (min-width: 1000px) {
  .page-products .prod-toc__list {
    flex-direction: column;
    gap: 0;
  }

  .page-products .prod-toc__link {
    padding: 0.34rem 0;
    border: 0;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    font-size: 0.86rem;
    background: none;
  }

  .page-products .prod-toc__link[aria-current="true"] {
    background: none;
    color: var(--crimson);
    border-bottom-color: var(--gold);
  }
}

/* ---------- 章节 ---------- */
.page-products .prod-chapter {
  padding-block: clamp(1.9rem, 4.5vw, 3.1rem);
}

.page-products .prod-chapter + .prod-chapter {
  border-top: 1px solid var(--line);
}

.page-products .prod-chapter .section-head {
  margin-bottom: 1.6rem;
}

/* ---------- 首章：三条色带 ---------- */
.page-products .prod-bands {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

@media (min-width: 760px) {
  .page-products .prod-bands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .prod-bands > :nth-child(2) {
    margin-top: 2.2rem;
  }

  .page-products .prod-bands > :nth-child(3) {
    margin-top: 0.9rem;
  }
}

.page-products .prod-band {
  position: relative;
  display: block;
  padding: 1.3rem 1.25rem 1.35rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 6px solid var(--band, var(--crimson));
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .prod-band::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(to bottom left, var(--band, var(--crimson)) 0 50%, transparent 50%);
}

.page-products .prod-band:hover,
.page-products .prod-band:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-products .prod-band--jade {
  --band: var(--jade);
  --band-ink: var(--jade);
}

.page-products .prod-band--orange {
  --band: var(--amber-orange);
  --band-ink: var(--amber-orange);
}

.page-products .prod-band--gold {
  --band: var(--amber-gold);
  --band-ink: var(--gold-deep);
}

.page-products .prod-band__num {
  display: block;
  margin: 0.8rem 0 0.1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1;
  color: var(--band-ink, var(--crimson));
}

.page-products .prod-band__num em {
  font-style: normal;
  font-size: 0.45em;
  margin-left: 0.08em;
}

.page-products .prod-band__unit {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--grey-ink);
}

.page-products .prod-band__text {
  margin: 0.7rem 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-band__go {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--vermilion);
  border-bottom: 1px solid var(--vermilion);
  padding-bottom: 0.12rem;
}

/* ---------- 三条内容线正文块 ---------- */
.page-products .prod-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 820px) {
  .page-products .prod-feature {
    grid-template-columns: 6fr 5fr;
    gap: 2.5rem;
  }

  .page-products .prod-feature--flip .prod-feature__media {
    order: -1;
  }
}

.page-products .prod-feature__text {
  min-width: 0;
}

.page-products .prod-feature__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--crimson) 0%, var(--ink) 100%);
  box-shadow: var(--shadow-soft);
}

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

.page-products .prod-feature__media figcaption {
  padding: 0.55rem 0.9rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: rgba(244, 236, 221, 0.82);
  background: var(--ink);
}

.page-products .prod-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .prod-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .prod-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .prod-list li strong {
  color: var(--crimson);
}

.page-products .prod-list a {
  color: var(--vermilion);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 玩法标签云 ---------- */
.page-products .prod-tagcloud {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 提示条 ---------- */
.page-products .prod-note {
  margin: 1.35rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--paper-raised);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--grey-ink);
}

.page-products .prod-note a {
  color: var(--vermilion);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 桌台分级图 ---------- */
.page-products .prod-figure {
  margin: 0 0 1.6rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

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

.page-products .prod-tiers {
  display: grid;
  gap: 0.8rem;
}

.page-products .prod-tier {
  position: relative;
  padding: 1rem 1.15rem 1.1rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 4px solid var(--vermilion);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-soft);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-products .prod-tier:nth-child(2) {
  border-left-width: 7px;
}

.page-products .prod-tier:nth-child(3) {
  border-left-width: 10px;
  border-left-color: var(--gold-deep);
}

.page-products .prod-tier:nth-child(4) {
  border-left-width: 13px;
  border-left-color: var(--gold);
}

.page-products .prod-tier:hover,
.page-products .prod-tier:focus-within {
  transform: translateX(6px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lift);
}

@media (min-width: 760px) {
  .page-products .prod-tier:nth-child(1) {
    margin-right: calc(3 * var(--prod-step));
  }

  .page-products .prod-tier:nth-child(2) {
    margin-right: calc(2 * var(--prod-step));
  }

  .page-products .prod-tier:nth-child(3) {
    margin-right: calc(1 * var(--prod-step));
  }
}

.page-products .prod-tier__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.7rem;
}

.page-products .prod-tier__no {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}

.page-products .prod-tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--ink);
}

.page-products .prod-tier__text {
  margin: 0.5rem 0 0;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--grey-ink);
}

/* ---------- 接入流程 ---------- */
.page-products .prod-flow {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-left: 1.15rem;
  border-left: 2px solid var(--gold);
}

.page-products .prod-step {
  position: relative;
}

.page-products .prod-step::before {
  content: "";
  position: absolute;
  left: calc(-1.15rem - 1px);
  top: 1.15rem;
  width: var(--prod-node);
  height: var(--prod-node);
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--paper);
  border: 1px solid var(--gold-deep);
}

.page-products .prod-step > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .prod-step > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-step > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-body);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--gold-deep);
}

.page-products .prod-step[open] > summary::after {
  content: "–";
}

.page-products .prod-step > summary:hover {
  border-color: var(--gold);
}

.page-products .prod-step > summary:focus-visible {
  outline: 2px solid var(--vermilion);
  outline-offset: 2px;
}

.page-products .prod-step[open] > summary {
  border-bottom-color: transparent;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.page-products .prod-step .panel__body {
  padding: 0.9rem 1rem 1.05rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--grey-ink);
}

.page-products .prod-step .panel__body p {
  margin: 0;
}

/* ---------- 收尾 ---------- */
.page-products .prod-cta {
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(2.25rem, 5vw, 3.5rem);
}

.page-products .prod-cta__inner {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--crimson) 0%, #6E1414 55%, var(--ink) 100%);
  color: var(--paper);
  box-shadow: var(--shadow-lift);
}

.page-products .prod-cta__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  color: var(--paper);
}

.page-products .prod-cta__text {
  max-width: 42em;
  margin: 0 0 1.35rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(244, 236, 221, 0.86);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-products .prod-cta__actions .btn--ghost {
  border-color: rgba(244, 236, 221, 0.55);
  color: var(--paper);
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .prod-band,
  .page-products .prod-tier,
  .page-products .prod-toc__link,
  .page-products .prod-step > summary {
    transition: none;
  }

  .page-products .prod-band:hover,
  .page-products .prod-band:focus-visible,
  .page-products .prod-tier:hover,
  .page-products .prod-tier:focus-within {
    transform: none;
  }
}