/* ================= 玩法与版本专区 /features/ ================= */
.page-products {
  --pm-gap: clamp(20px, 3.4vw, 44px);
}

/* ---------- 首屏框景 ---------- */
.page-products .pm-hero {
  padding: clamp(18px, 3.4vw, 40px) 0 clamp(26px, 4.6vw, 54px);
}
.page-products .pm-hero .crumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}
.page-products .pm-hero__frame {
  position: relative;
  border: 3px solid var(--line-strong);
  background:
    radial-gradient(115% 90% at 86% 6%, rgba(63, 224, 200, .13), transparent 58%),
    linear-gradient(150deg, rgba(142, 99, 255, .18), rgba(10, 14, 28, 0) 62%),
    var(--panel);
  box-shadow: var(--hard-shadow);
  padding: clamp(22px, 4vw, 54px);
}
.page-products .pm-hero__frame::before,
.page-products .pm-hero__frame::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--champagne) 0 2px, transparent 2px 16px);
  opacity: .45;
  pointer-events: none;
}
.page-products .pm-hero__frame::before { top: 10px; }
.page-products .pm-hero__frame::after { bottom: 10px; }

.page-products .pm-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 20ch;
  text-shadow: 4px 4px 0 rgba(0, 0, 0, .5);
}
.page-products .pm-hero__lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text);
  opacity: .88;
}
.page-products .pm-hero__stats {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pm-hero__stats li {
  background: var(--void);
  padding: 13px 15px;
}
.page-products .pm-hero__stats strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--champagne);
  letter-spacing: 0;
}
.page-products .pm-hero__stats span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}
.page-products .pm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 粘性章节胶囊 ---------- */
.page-products .pm-tagbar {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(10, 14, 28, .94);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  backdrop-filter: blur(10px);
}
.page-products .pm-tagbar__list {
  list-style: none;
  margin: 0;
  padding: 11px 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.page-products .pm-tagbar__list::-webkit-scrollbar { display: none; }
.page-products .pm-tagbar__list a {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-products .pm-tagbar__list a:hover,
.page-products .pm-tagbar__list a:focus-visible {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-products .pm-section {
  padding: clamp(38px, 6vw, 84px) 0;
  scroll-margin-top: 78px;
}
.page-products .pm-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}
.page-products .pm-head .section-num,
.page-products .pm-split__lead .section-num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(46px, 7vw, 96px);
  line-height: .88;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 2px var(--champagne);
  opacity: .85;
}

/* ---------- 01 玩法标签过滤 ---------- */
.page-products .pm-filter { position: relative; }
.page-products .pm-filter__radio,
.page-products .pm-device__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.page-products .pm-chipbar,
.page-products .pm-device__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pm-chipbar { margin-bottom: clamp(18px, 2.6vw, 26px); }
.page-products .pm-device__bar { margin-bottom: 16px; }

.page-products .pm-chip {
  position: relative;
  display: inline-block;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 8px 15px 10px;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}
.page-products .pm-chip::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .18s ease;
}
.page-products .pm-chip:hover {
  color: var(--text);
  border-color: var(--line-strong);
}
.page-products .pm-chip:hover::after { transform: scaleX(1); }

.page-products #pf-all:checked ~ .pm-chipbar [for="pf-all"],
.page-products #pf-mj:checked ~ .pm-chipbar [for="pf-mj"],
.page-products #pf-pdk:checked ~ .pm-chipbar [for="pf-pdk"],
.page-products #pf-ddz:checked ~ .pm-chipbar [for="pf-ddz"],
.page-products #pf-sj:checked ~ .pm-chipbar [for="pf-sj"],
.page-products #pf-sk:checked ~ .pm-chipbar [for="pf-sk"],
.page-products #pf-nn:checked ~ .pm-chipbar [for="pf-nn"],
.page-products #pf-fp:checked ~ .pm-chipbar [for="pf-fp"],
.page-products #pf-xq:checked ~ .pm-chipbar [for="pf-xq"],
.page-products #pf-jd:checked ~ .pm-chipbar [for="pf-jd"],
.page-products #pmd-phone:checked ~ .pm-device__bar [for="pmd-phone"],
.page-products #pmd-pad:checked ~ .pm-device__bar [for="pmd-pad"],
.page-products #pmd-wide:checked ~ .pm-device__bar [for="pmd-wide"] {
  color: var(--void);
  background: var(--violet);
  border-color: var(--violet);
  box-shadow: var(--hard-shadow-sm);
}
.page-products #pf-all:checked ~ .pm-chipbar [for="pf-all"]::after,
.page-products #pf-mj:checked ~ .pm-chipbar [for="pf-mj"]::after,
.page-products #pf-pdk:checked ~ .pm-chipbar [for="pf-pdk"]::after,
.page-products #pf-ddz:checked ~ .pm-chipbar [for="pf-ddz"]::after,
.page-products #pf-sj:checked ~ .pm-chipbar [for="pf-sj"]::after,
.page-products #pf-sk:checked ~ .pm-chipbar [for="pf-sk"]::after,
.page-products #pf-nn:checked ~ .pm-chipbar [for="pf-nn"]::after,
.page-products #pf-fp:checked ~ .pm-chipbar [for="pf-fp"]::after,
.page-products #pf-xq:checked ~ .pm-chipbar [for="pf-xq"]::after,
.page-products #pf-jd:checked ~ .pm-chipbar [for="pf-jd"]::after,
.page-products #pmd-phone:checked ~ .pm-device__bar [for="pmd-phone"]::after,
.page-products #pmd-pad:checked ~ .pm-device__bar [for="pmd-pad"]::after,
.page-products #pmd-wide:checked ~ .pm-device__bar [for="pmd-wide"]::after {
  transform: scaleX(0);
}

.page-products #pf-mj:checked ~ .pm-tag-grid .pm-card:not(.is-mj),
.page-products #pf-pdk:checked ~ .pm-tag-grid .pm-card:not(.is-pdk),
.page-products #pf-ddz:checked ~ .pm-tag-grid .pm-card:not(.is-ddz),
.page-products #pf-sj:checked ~ .pm-tag-grid .pm-card:not(.is-sj),
.page-products #pf-sk:checked ~ .pm-tag-grid .pm-card:not(.is-sk),
.page-products #pf-nn:checked ~ .pm-tag-grid .pm-card:not(.is-nn),
.page-products #pf-fp:checked ~ .pm-tag-grid .pm-card:not(.is-fp),
.page-products #pf-xq:checked ~ .pm-tag-grid .pm-card:not(.is-xq),
.page-products #pf-jd:checked ~ .pm-tag-grid .pm-card:not(.is-jd) {
  display: none;
}

.page-products .pm-tag-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-products .pm-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--hard-shadow-sm);
  padding: 18px;
  transition: border-color .18s ease, transform .18s ease;
}
.page-products .pm-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.page-products .pm-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.page-products .pm-card__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-products .pm-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--champagne);
}
.page-products .pm-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-products .pm-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .pm-card__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--cyan);
  opacity: .9;
}

/* ---------- 配图容器 ---------- */
.page-products .pm-figure {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  border: 3px solid var(--line-strong);
  box-shadow: var(--hard-shadow);
}
.page-products .pm-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 02 房间筛选 ---------- */
.page-products .pm-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 42px);
}
.page-products .pm-ways {
  display: grid;
  gap: 12px;
}
.page-products .pm-way {
  border: 2px solid var(--line);
  border-left: 6px solid var(--cyan);
  background: var(--panel);
  padding: 16px 18px;
}
.page-products .pm-way h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--text);
}
.page-products .pm-way p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-products .pm-fields {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}
.page-products .pm-fields__label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--champagne);
}
.page-products .pm-fields details {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 12px 16px;
}
.page-products .pm-fields summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
}
.page-products .pm-fields summary::-webkit-details-marker { display: none; }
.page-products .pm-fields summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 18px;
  line-height: 1;
  color: var(--violet);
  transition: transform .18s ease;
}
.page-products .pm-fields details[open] summary::after {
  transform: rotate(45deg);
}
.page-products .pm-fields details p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 03 苹果专区 ---------- */
.page-products .pm-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--hard-shadow-sm);
}
.page-products .pm-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-products .pm-table th,
.page-products .pm-table td {
  padding: 12px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.page-products .pm-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--champagne);
  background: rgba(142, 99, 255, .1);
}
.page-products .pm-table tbody td {
  color: var(--mist);
  line-height: 1.7;
}
.page-products .pm-table tbody td:first-child {
  color: var(--text);
  font-weight: 600;
}
.page-products .pm-table tbody tr:last-child td { border-bottom: 0; }

.page-products .pm-device {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 36px);
}
.page-products .pm-device__panel {
  display: none;
  border: 2px solid var(--line-cyan);
  background: var(--panel);
  padding: clamp(16px, 2.4vw, 26px);
}
.page-products #pmd-phone:checked ~ .pm-device__panels #pmd-panel-phone,
.page-products #pmd-pad:checked ~ .pm-device__panels #pmd-panel-pad,
.page-products #pmd-wide:checked ~ .pm-device__panels #pmd-panel-wide {
  display: block;
}
.page-products .pm-device__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--text);
}
.page-products .pm-device__panel ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}
.page-products .pm-device__panel li::marker { color: var(--cyan); }

.page-products .pm-order {
  margin-top: clamp(22px, 3.4vw, 36px);
  border-left: 4px solid var(--violet);
  padding-left: clamp(14px, 2.4vw, 24px);
}
.page-products .pm-order h3 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--text);
}
.page-products .pm-order ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .pm-order li::marker {
  font-family: var(--font-mono);
  color: var(--champagne);
}

/* ---------- 04 设备与同步 ---------- */
.page-products .pm-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-products .pm-step {
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--hard-shadow-sm);
  padding: clamp(18px, 2.4vw, 26px);
}
.page-products .pm-step h3 {
  margin: 14px 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--text);
}
.page-products .pm-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}
.page-products .pm-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--void);
  background: var(--cyan);
  padding: 3px 9px;
}
.page-products .pm-step p.pm-step__mono {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--cyan);
  background: rgba(63, 224, 200, .08);
  border: 1px dashed var(--line-cyan);
  padding: 9px 12px;
}

/* ---------- 05 记录回溯 ---------- */
.page-products .pm-scale {
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-products .pm-scale__bar {
  height: 18px;
  border: 2px solid var(--line-strong);
  background:
    repeating-linear-gradient(90deg, rgba(10, 14, 28, .85) 0 1px, transparent 1px 10%),
    linear-gradient(90deg, rgba(142, 99, 255, .8), rgba(63, 224, 200, .55));
}
.page-products .pm-scale__marks {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--mist);
}
.page-products .pm-dims {
  display: grid;
  gap: 14px;
}
.page-products .pm-dim {
  border: 2px solid var(--line);
  border-top: 4px solid var(--violet);
  background: var(--panel);
  padding: 18px;
}
.page-products .pm-dim h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--text);
}
.page-products .pm-dim p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-products .pm-aside {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .pm-aside a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-products .pm-aside a:hover { color: var(--champagne); }

/* ---------- 06 上手路径 ---------- */
.page-products .pm-road {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .pm-road li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  border: 2px solid var(--line);
  background: var(--panel);
  padding: clamp(16px, 2.2vw, 22px);
}
.page-products .pm-road__idx {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--champagne);
}
.page-products .pm-road h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--text);
}
.page-products .pm-road p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pm-cta {
  margin-top: clamp(26px, 4vw, 46px);
  border: 3px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(142, 99, 255, .22), rgba(10, 14, 28, 0) 62%),
    var(--panel);
  box-shadow: var(--hard-shadow);
  padding: clamp(20px, 3.4vw, 40px);
  display: grid;
  gap: 20px;
}
.page-products .pm-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-products .pm-cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}
.page-products .pm-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pm-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pm-tag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pm-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pm-head {
    grid-template-columns: minmax(110px, 1fr) minmax(0, 2.4fr);
    gap: clamp(18px, 3vw, 42px);
    align-items: start;
  }
  .page-products .pm-split {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-products .pm-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-products .pm-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pm-road {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pm-cta {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-products .pm-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1060px) {
  .page-products .pm-tag-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-products .pm-tag-grid .pm-card:nth-child(even) {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pm-card,
  .page-products .pm-chip,
  .page-products .pm-chip::after,
  .page-products .pm-tagbar__list a {
    transition: none;
  }
  .page-products .pm-card:hover {
    transform: none;
  }
}