/* ============================================================
   page-products · 玩法与下载中心
   ============================================================ */

.page-products {
  counter-reset: pp-sec;
  --pp-hair: rgba(20, 18, 26, .12);
  --pp-hair-soft: rgba(20, 18, 26, .07);
  --pp-surface: #FFFDF8;
  --pp-shadow-soft: 0 1px 0 rgba(20, 18, 26, .04), 0 18px 34px -24px rgba(59, 34, 96, .5);
  display: block;
  overflow-x: clip;
  color: var(--gp-ink);
  font-family: var(--gp-font-body);
}

.page-products .gp-num {
  font-family: var(--gp-font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

/* ---------- 面包屑 ---------- */

.page-products .pp-crumbbar {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-products .pp-crumbbar .gp-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--gp-ink-50);
}

.page-products .pp-crumbbar .gp-breadcrumb a {
  color: var(--gp-grape);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pp-crumbbar .gp-breadcrumb a:hover,
.page-products .pp-crumbbar .gp-breadcrumb a:focus-visible {
  border-bottom-color: currentColor;
}

.page-products .pp-crumbbar .gp-breadcrumb__sep {
  color: var(--gp-haze);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  padding: clamp(24px, 4.5vw, 52px) 0 clamp(16px, 3vw, 32px);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-products .pp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 8px 17px 8px 13px;
  border-radius: var(--gp-pill);
  background: var(--gp-mint-soft);
  color: var(--gp-vine);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-products .pp-hero__eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gp-mint);
  box-shadow: 0 0 0 4px rgba(143, 203, 63, .22);
}

.page-products .pp-hero__title {
  margin: 0 0 18px;
  font-family: var(--gp-font-display);
  font-weight: 900;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: -.022em;
  text-wrap: balance;
}

.page-products .pp-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--gp-ink-72);
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-products .pp-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 13px 15px;
  border-radius: var(--gp-r-md);
  background: var(--pp-surface);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-facts .gp-num {
  font-size: 23px;
  line-height: 1;
  color: var(--gp-grape);
}

.page-products .pp-facts__label {
  font-size: 13.5px;
  color: var(--gp-ink-72);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero__figure {
  margin: 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-hair);
  background:
    radial-gradient(90% 80% at 80% 10%, rgba(143, 203, 63, .28), transparent 62%),
    linear-gradient(150deg, var(--gp-vine), var(--gp-ink) 72%);
  box-shadow: var(--pp-shadow-soft);
}

.page-products .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */

.page-products .pp-sec {
  counter-increment: pp-sec;
  padding: clamp(44px, 7vw, 82px) 0;
  border-top: 1px solid var(--pp-hair-soft);
}

.page-products .pp-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-products .pp-head__num {
  font-family: var(--gp-font-mono);
  font-size: clamp(32px, 6.5vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: transparent;
  -webkit-text-stroke: 1px var(--gp-grape);
}

.page-products .pp-head__num::before {
  content: counter(pp-sec, decimal-leading-zero);
}

.page-products .pp-head__eyebrow {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--gp-grape);
}

.page-products .pp-head__title {
  margin: 0;
  font-family: var(--gp-font-display);
  font-weight: 800;
  font-size: clamp(23px, 4.2vw, 37px);
  line-height: 1.22;
  letter-spacing: -.016em;
}

.page-products .pp-head__lead {
  margin: 6px 0 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gp-ink-72);
}

/* ---------- 01 版本对照 ---------- */

.page-products .pp-ver {
  display: grid;
  gap: 16px;
}

.page-products .pp-ver__table {
  margin: 0;
}

.page-products .pp-ver__table tbody tr.is-diff th[scope="row"] {
  box-shadow: inset 4px 0 0 var(--gp-mint);
}

.page-products .pp-mark {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px 4px 9px;
  border-radius: var(--gp-pill);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-mark::before {
  font-family: var(--gp-font-mono);
  font-size: 12px;
  line-height: 1;
}

.page-products .pp-mark--ok {
  background: rgba(143, 203, 63, .2);
  color: #3D6A12;
}

.page-products .pp-mark--ok::before {
  content: "✓";
}

.page-products .pp-mark--warn {
  background: rgba(192, 50, 79, .12);
  color: var(--gp-berry);
}

.page-products .pp-mark--warn::before {
  content: "!";
}

.page-products .pp-ver__note,
.page-products .pp-install__help,
.page-products .pp-cadence__more,
.page-products .pp-faq__more {
  margin: 0;
  padding: 15px 18px;
  border-radius: var(--gp-r-md);
  border-left: 3px solid var(--gp-mint);
  background: rgba(143, 203, 63, .09);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gp-ink-72);
}

.page-products .pp-ver__note a,
.page-products .pp-install__help a,
.page-products .pp-cadence__more a,
.page-products .pp-faq__more a {
  color: var(--gp-grape);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(106, 63, 168, .35);
}

.page-products .pp-ver__note a:hover,
.page-products .pp-install__help a:hover,
.page-products .pp-cadence__more a:hover,
.page-products .pp-faq__more a:hover,
.page-products .pp-ver__note a:focus-visible,
.page-products .pp-install__help a:focus-visible,
.page-products .pp-cadence__more a:focus-visible,
.page-products .pp-faq__more a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 02 安装四步 ---------- */

.page-products .pp-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 36px);
}

.page-products .pp-steps {
  counter-reset: pp-step;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  position: relative;
  counter-increment: pp-step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num text"
    "num meta";
  column-gap: 16px;
  row-gap: 4px;
  align-content: start;
  padding: 18px 20px;
  border-radius: var(--gp-r-md);
  background: var(--pp-surface);
  border: 1px solid var(--pp-hair);
  transition: transform .28s var(--gp-ease), border-color .28s var(--gp-ease), box-shadow .28s var(--gp-ease);
}

.page-products .pp-step::after {
  content: "";
  position: absolute;
  left: 41px;
  bottom: -16px;
  height: 16px;
  border-left: 1px dashed var(--gp-haze);
}

.page-products .pp-step:last-child::after {
  display: none;
}

.page-products .pp-step__num {
  grid-area: num;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  border-radius: var(--gp-pill);
  background: var(--gp-grape);
  color: #fff;
  font-family: var(--gp-font-mono);
  font-size: 14px;
  font-weight: 600;
}

.page-products .pp-step__num::before {
  content: counter(pp-step, decimal-leading-zero);
}

.page-products .pp-step__title {
  grid-area: title;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--gp-ink);
}

.page-products .pp-step__text {
  grid-area: text;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gp-ink-72);
}

.page-products .pp-step__meta {
  grid-area: meta;
  margin: 4px 0 0;
  font-family: var(--gp-font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gp-grape);
}

@media (hover: hover) {
  .page-products .pp-step:hover {
    transform: translate(4px, -5px);
    border-color: var(--gp-mint);
    box-shadow: var(--pp-shadow-soft);
  }
}

.page-products .pp-install__figure {
  margin: 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-hair);
  align-self: start;
}

.page-products .pp-install__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pp-install__help {
  margin-top: clamp(22px, 3.5vw, 34px);
}

/* ---------- 03 新手教程 ---------- */

.page-products .pp-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-products .pp-start__figure {
  margin: 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-hair);
  box-shadow: var(--pp-shadow-soft);
}

.page-products .pp-start__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pp-start__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-start__item {
  position: relative;
  padding: 18px 20px 18px 22px;
  border-radius: var(--gp-r-md);
  background: linear-gradient(180deg, var(--gp-mint-soft), rgba(234, 247, 236, .45));
  border: 1px solid rgba(143, 203, 63, .38);
  transition: transform .28s var(--gp-ease), box-shadow .28s var(--gp-ease);
}

.page-products .pp-start__k {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--gp-grape);
}

.page-products .pp-start__title {
  margin: 0 0 5px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--gp-vine);
}

.page-products .pp-start__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gp-ink-72);
}

@media (hover: hover) {
  .page-products .pp-start__item:hover {
    transform: translate(4px, -5px);
    box-shadow: 0 18px 30px -24px rgba(59, 34, 96, .6);
  }
}

/* ---------- 04 玩法索引 ---------- */

.page-products .pp-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(22px, 3.5vw, 32px);
}

.page-products .pp-cats a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 17px;
  border-radius: var(--gp-pill);
  background: var(--pp-surface);
  border: 1px solid var(--pp-hair);
  color: var(--gp-ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .25s var(--gp-ease), transform .25s var(--gp-ease);
}

.page-products .pp-cats a .gp-num {
  font-size: 12.5px;
  color: var(--gp-grape);
}

@media (hover: hover) {
  .page-products .pp-cats a:hover {
    transform: translate(0, -3px);
    border-color: var(--gp-grape);
  }
}

.page-products .pp-cats__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-products .pp-cats__dot--board {
  background: var(--gp-grape);
}

.page-products .pp-cats__dot--card {
  background: var(--gp-gold);
}

.page-products .pp-cats__dot--arcade {
  background: var(--gp-mint);
}

.page-products .pp-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .pp-group {
  padding: 20px;
  border-radius: var(--gp-r-md);
  background: var(--pp-surface);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-group--board {
  --pp-cat: var(--gp-grape);
}

.page-products .pp-group--card {
  --pp-cat: var(--gp-gold);
}

.page-products .pp-group--arcade {
  --pp-cat: var(--gp-mint);
}

.page-products .pp-group__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-hair-soft);
}

.page-products .pp-group__head::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--pp-cat);
}

.page-products .pp-group__title {
  margin: 0;
  font-family: var(--gp-font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--gp-ink);
}

.page-products .pp-group__count {
  margin-left: auto;
  padding: 3px 10px;
  border-radius: var(--gp-pill);
  background: var(--gp-mint-soft);
  font-size: 12.5px;
  color: var(--gp-vine);
}

.page-products .pp-group__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-group__list li {
  padding: 7px 14px;
  border-radius: var(--gp-pill);
  border: 1px solid var(--pp-hair);
  background: rgba(247, 242, 231, .7);
  font-size: 14px;
  color: var(--gp-ink);
  transition: border-color .22s var(--gp-ease), background .22s var(--gp-ease);
}

@media (hover: hover) {
  .page-products .pp-group__list li:hover {
    border-color: var(--pp-cat);
    background: #fff;
  }
}

.page-products .pp-index__figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-hair);
}

.page-products .pp-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 22 / 15;
  object-fit: cover;
}

/* ---------- 05 运行环境（夜色） ---------- */

.page-products .pp-sec--night {
  border-top: 0;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(106, 63, 168, .55), transparent 62%),
    linear-gradient(160deg, var(--gp-vine), var(--gp-ink) 74%);
  color: var(--gp-mint-soft);
}

.page-products .pp-sec--night .pp-head__num {
  -webkit-text-stroke-color: var(--gp-mint);
}

.page-products .pp-sec--night .pp-head__eyebrow {
  color: var(--gp-mint);
}

.page-products .pp-sec--night .pp-head__title {
  color: var(--gp-mint-soft);
}

.page-products .pp-sec--night .pp-head__lead {
  color: rgba(234, 247, 236, .78);
}

.page-products .pp-runtime {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  align-items: center;
}

.page-products .pp-runtime__svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--gp-mint);
  opacity: .92;
}

.page-products .pp-spec {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid rgba(185, 174, 203, .22);
}

.page-products .pp-spec__row:first-child {
  border-top: 1px solid rgba(185, 174, 203, .22);
}

.page-products .pp-spec dt {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gp-gold);
}

.page-products .pp-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(234, 247, 236, .9);
}

.page-products .pp-spec dd .gp-num {
  color: var(--gp-mint);
}

/* ---------- 06 更新节奏 ---------- */

.page-products .pp-cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 clamp(22px, 3.5vw, 32px);
  padding: 0;
  list-style: none;
}

.page-products .pp-cadence__item {
  position: relative;
  padding: 20px 20px 18px;
  border-radius: var(--gp-r-md);
  border: 1px solid var(--pp-hair);
  background: var(--pp-surface);
  transition: transform .28s var(--gp-ease), border-color .28s var(--gp-ease);
}

.page-products .pp-cadence__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: var(--gp-r-md) 0 0 var(--gp-r-md);
  background: linear-gradient(180deg, var(--gp-grape), var(--gp-mint));
}

.page-products .pp-cadence__k {
  display: block;
  margin-bottom: 6px;
  font-size: 22px;
  color: var(--gp-grape);
}

.page-products .pp-cadence__item h3 {
  margin: 0 0 5px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--gp-ink);
}

.page-products .pp-cadence__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gp-ink-72);
}

@media (hover: hover) {
  .page-products .pp-cadence__item:hover {
    transform: translate(4px, -5px);
    border-color: var(--gp-grape);
  }
}

/* ---------- 07 常见疑问 ---------- */

.page-products .pp-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(20px, 3.5vw, 30px);
}

.page-products .pp-faq__item {
  border-radius: var(--gp-r-md);
  border: 1px solid var(--pp-hair);
  background: var(--pp-surface);
  overflow: hidden;
  transition: border-color .25s var(--gp-ease);
}

.page-products .pp-faq__item[open] {
  border-color: rgba(106, 63, 168, .45);
}

.page-products .pp-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--gp-ink);
}

.page-products .pp-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--gp-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gp-grape);
  transition: transform .25s var(--gp-ease);
}

.page-products .pp-faq__item[open] summary::after {
  content: "−";
}

.page-products .pp-faq__item summary:focus-visible {
  outline: 2px solid var(--gp-grape);
  outline-offset: -3px;
}

.page-products .pp-faq__body {
  padding: 0 20px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--gp-ink-72);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pp-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-products .pp-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-groups .pp-group--card {
    grid-row: span 1;
  }

  .page-products .pp-cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-spec__row {
    grid-template-columns: 9.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 880px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pp-step {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "num"
      "title"
      "text"
      "meta";
    row-gap: 7px;
    padding: 22px 20px 20px;
  }

  .page-products .pp-step::after {
    left: auto;
    right: -20px;
    top: 42px;
    bottom: auto;
    width: 20px;
    height: 0;
    border-left: 0;
    border-top: 1px dashed var(--gp-haze);
  }
}

@media (min-width: 1000px) {
  .page-products .pp-install {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .pp-start {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  }

  .page-products .pp-start__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-groups {
    grid-template-columns: minmax(0, .74fr) minmax(0, 1.26fr);
    align-items: start;
  }

  .page-products .pp-groups .pp-group--card {
    grid-row: span 2;
  }

  .page-products .pp-runtime {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-products .pp-cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .pp-head {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 34px);
    align-items: start;
  }

  .page-products .pp-head__num {
    grid-row: span 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-step,
  .page-products .pp-start__item,
  .page-products .pp-cadence__item,
  .page-products .pp-cats a,
  .page-products .pp-faq__item summary::after {
    transition: none;
  }

  .page-products .pp-step:hover,
  .page-products .pp-start__item:hover,
  .page-products .pp-cadence__item:hover,
  .page-products .pp-cats a:hover {
    transform: none;
  }
}