.page-products {
  --pd-radius: 8px;
  --pd-card: rgba(11, 43, 34, .74);
  --pd-card-line: rgba(47, 122, 100, .42);
  --pd-ink-soft: rgba(244, 239, 228, .78);
  --pd-paper-soft: rgba(20, 17, 14, .68);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(200, 162, 74, .17), transparent 62%),
    linear-gradient(162deg, var(--ink-900) 0%, var(--ink-700) 58%, var(--ink-900) 100%);
}

.page-products .pd-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-products .pd-hero__copy {
  min-width: 0;
}

.page-products .pd-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper-100);
  text-shadow: 0 1px 0 rgba(200, 162, 74, .35);
}

.page-products .pd-hero .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 239, 228, .82);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-hero__visual {
  min-width: 0;
}

.page-products .pd-hero__visual .media {
  margin: 0;
}

.page-products .pd-hero__visual .media__frame {
  border: 1px solid var(--gold-line);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-products .pd-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-hero__visual .media__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mist-400);
}

.page-products .pd-quick {
  list-style: none;
  margin: clamp(32px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--gold-line);
  border: 1px solid var(--gold-line);
  border-radius: var(--pd-radius);
  overflow: hidden;
}

.page-products .pd-quick__item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px;
  background: rgba(11, 43, 34, .9);
}

.page-products .pd-quick__k {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist-400);
}

.page-products .pd-quick__v {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: -.02em;
  color: var(--gold-300);
}

.page-products .pd-quick__v[data-copy] {
  cursor: copy;
}

/* ---------- 章节抬头 ---------- */
.page-products .pd-head {
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pd-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.26;
  color: var(--paper-100);
  text-shadow: 0 1px 0 rgba(200, 162, 74, .22);
}

.page-products .pd-head__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 239, 228, .76);
}

.page-products .section--paper .pd-head h2 {
  color: var(--text-900);
  text-shadow: 0 1px 0 rgba(200, 162, 74, .3);
}

.page-products .section--paper .pd-head__text {
  color: var(--pd-paper-soft);
}

/* ---------- 三步流水线 ---------- */
.page-products .pd-flow {
  background: linear-gradient(180deg, var(--felt-500) 0%, var(--ink-700) 62%, var(--ink-900) 100%);
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .pd-step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: 22px 20px 20px;
  background: var(--pd-card);
  border: 1px solid var(--pd-card-line);
  border-radius: var(--pd-radius);
  backdrop-filter: blur(6px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-step:hover {
  transform: translateY(-6px);
  border-color: var(--gold-line);
  box-shadow: 0 20px 44px -24px rgba(0, 0, 0, .88), inset 0 -3px 0 var(--gold-500);
}

.page-products .pd-step--key {
  border: 2px solid var(--gold-500);
  background: linear-gradient(180deg, rgba(200, 162, 74, .14) 0%, rgba(11, 43, 34, .88) 58%);
  box-shadow: 0 0 0 1px rgba(200, 162, 74, .18), 0 28px 56px -32px rgba(0, 0, 0, .92);
}

.page-products .pd-step__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pd-step__coin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-900);
  background: radial-gradient(circle at 34% 28%, var(--gold-300) 0%, var(--gold-500) 60%, var(--brass-700) 100%);
  box-shadow: inset 0 0 0 3px rgba(11, 43, 34, .3), 0 8px 16px -8px rgba(0, 0, 0, .78);
}

.page-products .pd-step--key .pd-step__coin {
  box-shadow: inset 0 0 0 3px rgba(11, 43, 34, .3), 0 0 0 4px rgba(200, 162, 74, .22), 0 10px 20px -8px rgba(0, 0, 0, .8);
}

.page-products .pd-step__time {
  font-size: 13px;
  letter-spacing: -.01em;
  color: var(--mist-400);
}

.page-products .pd-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-100);
}

.page-products .pd-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
}

.page-products .pd-step__media {
  margin: 0;
}

.page-products .pd-step__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--pd-card-line);
  border-radius: 6px;
}

.page-products .pd-step--key .pd-step__media img {
  border-color: var(--gold-line);
}

.page-products .pd-fold {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--pd-card-line);
}

.page-products .pd-fold__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--gold-300);
  transition: color var(--dur) var(--ease);
}

.page-products .pd-fold__summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-500);
}

.page-products .pd-fold[open] .pd-fold__summary::before {
  content: "\2212";
}

.page-products .pd-fold__summary:hover {
  color: var(--gold-500);
}

.page-products .pd-fold__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist-400);
}

/* ---------- 版本对照与导出细节 ---------- */
.page-products .pd-detail__grid {
  align-items: start;
}

.page-products .pd-lines {
  min-width: 0;
}

.page-products .pd-detail .pd-panel__title,
.page-products .pd-lines .pd-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-900);
}

.page-products .pd-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pd-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .pd-filter {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid rgba(20, 17, 14, .2);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(20, 17, 14, .7);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-filter:hover {
  border-color: var(--gold-500);
  color: var(--text-900);
}

.page-products .pd-sr:checked + .pd-filter {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--gold-300);
}

.page-products .pd-sr:focus-visible + .pd-filter {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-products .pd-lines:has(#pd-f-live:checked) .pd-row--hold {
  display: none;
}

.page-products .pd-lines:has(#pd-f-hold:checked) .pd-row--live {
  display: none;
}

.page-products .pd-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(20, 17, 14, .14);
  border-radius: 6px;
  background: rgba(255, 255, 255, .5);
}

.page-products .pd-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
  border-bottom: 1px solid rgba(20, 17, 14, .1);
}

.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-table thead th {
  background: var(--brass-700);
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  white-space: nowrap;
  border-bottom: 0;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(20, 17, 14, .04);
}

.page-products .pd-table__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink-700);
}

.page-products .pd-export {
  padding: clamp(18px, 2.6vw, 28px);
  background: rgba(231, 223, 206, .9);
  border: 1px solid rgba(20, 17, 14, .14);
  border-top: 3px solid var(--gold-500);
  border-radius: var(--pd-radius);
  min-width: 0;
}

.page-products .pd-panel__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brass-700);
}

.page-products .pd-export .pd-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-900);
}

.page-products .pd-export__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pd-paper-soft);
}

.page-products .pd-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-check__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(244, 239, 228, .78);
  border: 1px solid rgba(20, 17, 14, .1);
  border-radius: 5px;
}

.page-products .pd-check__box {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--gold-500);
  cursor: pointer;
}

.page-products .pd-check__box:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-products .pd-check__label {
  font-size: 14px;
  line-height: 1.62;
  color: var(--text-900);
  cursor: pointer;
}

.page-products .pd-export__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(20, 17, 14, .2);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(20, 17, 14, .72);
}

/* ---------- 对局入口 ---------- */
.page-products .pd-rooms-sec {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-products .pd-room {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  min-width: 0;
  padding: 24px 22px;
  background: var(--pd-card);
  border: 1px solid var(--pd-card-line);
  border-radius: var(--pd-radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-room:hover {
  transform: translateY(-6px);
  border-color: var(--gold-line);
  box-shadow: 0 20px 44px -24px rgba(0, 0, 0, .88), inset 0 -3px 0 var(--gold-500);
}

.page-products .pd-room__tag {
  align-self: flex-start;
  padding: 5px 12px;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-300);
}

.page-products .pd-room__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-100);
}

.page-products .pd-room__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
}

.page-products .pd-rooms-note {
  margin-top: 20px;
  padding: 18px 22px;
  background: rgba(142, 36, 52, .16);
  border-left: 3px solid var(--crimson-600);
  border-radius: 0 6px 6px 0;
}

.page-products .pd-rooms-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 239, 228, .86);
}

/* ---------- 安装与兼容 ---------- */
.page-products .pd-compat__grid {
  align-items: start;
}

.page-products .pd-compat {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pd-compat__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 8px 14px;
  align-items: center;
}

.page-products .pd-compat__os {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink-700);
}

.page-products .pd-compat__bar {
  position: relative;
  display: block;
  height: 10px;
  border-radius: 999px;
  background: rgba(20, 17, 14, .1);
  box-shadow: inset 0 1px 2px rgba(20, 17, 14, .16);
  overflow: hidden;
}

.page-products .pd-compat__bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--spread, 100%);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brass-700) 0%, var(--gold-500) 48%, var(--gold-300) 100%);
}

.page-products .pd-compat__range {
  grid-column: 2;
  font-size: 13px;
  letter-spacing: -.01em;
  color: rgba(20, 17, 14, .66);
}

.page-products .pd-perms {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(20, 17, 14, .12);
  border: 1px solid rgba(20, 17, 14, .12);
  border-radius: 6px;
  overflow: hidden;
}

.page-products .pd-perms__item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, .56);
  font-size: 14px;
  line-height: 1.7;
  color: var(--pd-paper-soft);
}

.page-products .pd-perms__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--brass-700);
  padding-top: 2px;
}

.page-products .pd-compat-sec .media {
  margin: 0;
}

.page-products .pd-compat-sec .media__frame {
  border: 1px solid rgba(20, 17, 14, .14);
  border-radius: 6px;
  overflow: hidden;
}

.page-products .pd-compat-sec .media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-compat-sec .media__caption {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(20, 17, 14, .6);
}

/* ---------- 换机前后对照 ---------- */
.page-products .pd-pairs-sec {
  background: linear-gradient(180deg, var(--felt-500) 0%, var(--ink-700) 70%, var(--ink-900) 100%);
}

.page-products .pd-pairs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pd-card-line);
  border: 1px solid var(--pd-card-line);
  border-radius: var(--pd-radius);
  overflow: hidden;
}

.page-products .pd-pairs__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 20px;
  padding: 16px 20px;
  background: var(--ink-900);
}

.page-products .pd-pairs__key {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-300);
}

.page-products .pd-pairs__cell {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pd-ink-soft);
  min-width: 0;
}

.page-products .pd-pairs__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  border: 1px solid var(--pd-card-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist-400);
}

.page-products .pd-pairs__tag--new {
  border-color: var(--gold-line);
  color: var(--gold-300);
}

/* ---------- 下一步 ---------- */
.page-products .pd-next-sec {
  background:
    radial-gradient(110% 80% at 12% 0%, rgba(200, 162, 74, .16), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-products .pd-next-sec .next-step {
  border-color: var(--gold-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pd-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-pairs__row {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pd-pairs__key {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-products .pd-pairs__row {
    grid-template-columns: 1.05fr 1.35fr 1.4fr;
    align-items: baseline;
  }

  .page-products .pd-pairs__key {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

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

  .page-products .pd-steps {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 20px;
    align-items: stretch;
  }
}

@media (max-width: 899px) {
  .page-products .pd-step--key {
    order: 3;
  }
}

@media (max-width: 719px) {
  .page-products .pd-perms__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .pd-compat__row {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .page-products .pd-export,
  .page-products .pd-room {
    padding: 20px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-step,
  .page-products .pd-room {
    transition: none;
  }

  .page-products .pd-step:hover,
  .page-products .pd-room:hover {
    transform: none;
  }
}

.page-products {
  --spread: 1rem;
}