.page-products {
  --pf-lv-color: var(--mint);
  --pf-lv-fill: 25%;
  --pf-card-line: var(--line-soft);
}

/* ---------- 首屏 ---------- */
.page-products.section--flush,
.page-products .section.section--flush {
  padding-top: clamp(20px, 3.5vw, 40px);
}

.page-products .solutions-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

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

.page-products .solutions-hero__stats {
  margin-top: clamp(24px, 3.6vw, 38px);
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-products .solutions-hero__stats .stat__value {
  color: var(--amber);
}

.page-products .solutions-hero__stats .stat:nth-child(even) .stat__value {
  color: var(--peacock);
}

.page-products .solutions-hero__visual {
  position: relative;
  padding: clamp(12px, 2.2vw, 24px);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(245, 166, 35, .16), transparent 58%),
    radial-gradient(110% 95% at 100% 100%, rgba(31, 182, 193, .18), transparent 60%),
    var(--ink-2);
  overflow: hidden;
}

.page-products .solutions-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(232, 236, 245, .045) 0 1px,
    transparent 1px 4px
  );
}

.page-products .solutions-hero__board {
  display: block;
  width: 100%;
  height: auto;
  max-width: 520px;
  margin-inline: auto;
}

/* ---------- 横滑入口 ---------- */
.page-products .solutions-rail .rail__item {
  min-width: 0;
}

.page-products .solutions-rail__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 22px 20px 24px;
  border: 1px solid var(--pf-card-line);
  border-top-width: 2px;
  background: var(--ink);
  transition: background-color .16s ease, border-color .16s ease;
}

.page-products .solutions-rail__card--amber { border-top-color: var(--amber); }
.page-products .solutions-rail__card--peacock { border-top-color: var(--peacock); }
.page-products .solutions-rail__card--magenta { border-top-color: var(--magenta); }
.page-products .solutions-rail__card--mint { border-top-color: var(--mint); }

.page-products .solutions-rail__card:hover {
  background: var(--ink-3);
  border-color: var(--line);
}

.page-products .solutions-rail__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--ivory);
}

.page-products .solutions-rail__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .solutions-rail .link-arrow {
  align-self: flex-start;
  margin-top: 2px;
}

/* ---------- 五步流程 ---------- */
.page-products .solutions-flow__media {
  margin: clamp(22px, 3.4vw, 34px) 0 clamp(26px, 4vw, 42px);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .steps__item {
  position: relative;
  padding: 22px 18px 26px;
  background: var(--ink);
}

.page-products .steps__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--amber), var(--peacock));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}

.page-products .steps__item:hover::before {
  transform: scaleX(1);
}

.page-products .steps__num {
  display: block;
  font-size: 22px;
  letter-spacing: .08em;
  color: var(--amber-soft);
}

.page-products .steps__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.3;
  color: var(--ivory);
}

.page-products .steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 六章目录 ---------- */
.page-products .solutions-chapters__list {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3.2vw, 34px);
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .solutions-chapters__list .fold {
  background: var(--ink);
}

.page-products .solutions-chapters__list .fold__summary {
  gap: 10px;
  padding: 18px 20px;
  font-size: 16px;
}

.page-products .solutions-chapters__list .fold__summary .mono {
  color: var(--peacock);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-products .solutions-chapters__list .fold__body {
  padding: 0 20px 22px;
}

.page-products .solutions-chapters__list .fold__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 阵营切换 ---------- */
.page-products .factions {
  position: relative;
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-products .factions__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .factions__radio:focus-visible ~ .factions__tabs {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .factions__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .factions__tab {
  display: block;
  padding: 15px 10px;
  text-align: center;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--mist);
  background: var(--ink);
  border-bottom: 2px solid transparent;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.page-products .factions__tab:hover {
  color: var(--ivory);
}

.page-products #faction-beast:checked ~ .factions__tabs .factions__tab--beast {
  color: var(--ink);
  background: var(--amber);
  border-bottom-color: var(--amber-soft);
}

.page-products #faction-bird:checked ~ .factions__tabs .factions__tab--bird {
  color: var(--ink);
  background: var(--peacock);
  border-bottom-color: var(--peacock-deep);
}

.page-products .factions__panels {
  margin-top: 1px;
}

.page-products .factions__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 38px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-products .factions__panel--beast {
  background:
    linear-gradient(135deg, rgba(245, 166, 35, .12), transparent 58%),
    var(--ink-2);
}

.page-products .factions__panel--bird {
  display: none;
  background:
    linear-gradient(135deg, rgba(31, 182, 193, .14), transparent 58%),
    var(--ink-2);
}

.page-products #faction-bird:checked ~ .factions__panels .factions__panel--beast {
  display: none;
}

.page-products #faction-bird:checked ~ .factions__panels .factions__panel--bird {
  display: grid;
}

.page-products .factions__media {
  margin: 0;
}

.page-products .factions__body {
  min-width: 0;
}

.page-products .factions__body .h-sub {
  margin-top: 0;
}

.page-products .factions__body .prose {
  margin-top: 10px;
}

.page-products .factions__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .factions__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ivory);
}

/* ---------- 残局练习 ---------- */
.page-products .endgame__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(22px, 3.2vw, 34px);
  align-items: start;
}

.page-products .endgame__media {
  margin: 0;
}

.page-products .endgame__levels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .level {
  padding: 20px 18px 22px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 0 rgba(245, 166, 35, 0);
  transition: box-shadow .18s ease;
}

.page-products .level:hover {
  box-shadow: inset 0 0 0 1px rgba(245, 166, 35, .5);
}

.page-products .level--1 { --pf-lv-color: var(--mint); --pf-lv-fill: 25%; }
.page-products .level--2 { --pf-lv-color: var(--peacock); --pf-lv-fill: 50%; }
.page-products .level--3 { --pf-lv-color: var(--amber); --pf-lv-fill: 75%; }
.page-products .level--4 { --pf-lv-color: var(--magenta); --pf-lv-fill: 100%; }

.page-products .level__bar {
  position: relative;
  display: block;
  height: 3px;
  margin-bottom: 14px;
  background: rgba(232, 236, 245, .1);
}

.page-products .level__bar::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--pf-lv-fill);
  background: var(--pf-lv-color);
  transition: filter .18s ease;
}

.page-products .level:hover .level__bar::after {
  filter: brightness(1.35);
}

.page-products .level__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pf-lv-color);
}

.page-products .level__name {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.25;
  color: var(--ivory);
}

.page-products .level__meta {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-products .level__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 好友局与移动端 ---------- */
.page-products .solutions-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-products .solutions-mobile__copy {
  min-width: 0;
}

.page-products .solutions-mobile__copy .h-section {
  margin-top: 6px;
}

.page-products .solutions-mobile__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .solutions-mobile__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .solutions-mobile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 1px;
  background: var(--peacock);
}

.page-products .solutions-mobile__list strong {
  color: var(--ivory);
  font-weight: 600;
}

.page-products .solutions-mobile__copy .btn-row {
  margin-top: 24px;
}

.page-products .solutions-mobile__media {
  margin: 0;
}

/* ---------- 操作速查 ---------- */
.page-products .ops {
  position: relative;
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-products .ops__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .ops__radio:focus-visible ~ .ops__chips {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .ops__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .ops__chip {
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  border: 1px solid var(--line);
  background: transparent;
  transition: color .14s ease, border-color .14s ease, background-color .14s ease;
}

.page-products .ops__chip:hover {
  color: var(--ivory);
  border-color: var(--amber);
}

.page-products #ops-all:checked ~ .ops__chips label[for="ops-all"],
.page-products #ops-touch:checked ~ .ops__chips label[for="ops-touch"],
.page-products #ops-room:checked ~ .ops__chips label[for="ops-room"],
.page-products #ops-account:checked ~ .ops__chips label[for="ops-account"],
.page-products #ops-feedback:checked ~ .ops__chips label[for="ops-feedback"] {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-products #ops-touch:checked ~ .ops__tablewrap tbody tr:not(.ops-row--touch),
.page-products #ops-room:checked ~ .ops__tablewrap tbody tr:not(.ops-row--room),
.page-products #ops-account:checked ~ .ops__tablewrap tbody tr:not(.ops-row--account),
.page-products #ops-feedback:checked ~ .ops__tablewrap tbody tr:not(.ops-row--feedback) {
  display: none;
}

.page-products .ops__tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
}

.page-products .ops__table {
  width: 100%;
  min-width: 560px;
}

.page-products .ops__caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .ops__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .ops__more .link-arrow {
  margin-left: 4px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-products .steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 760px) {
  .page-products .steps {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 880px) {
  .page-products .solutions-hero__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .solutions-hero__visual {
    margin-top: clamp(24px, 4vw, 56px);
  }

  .page-products .factions__panel {
    grid-template-columns: 280px 1fr;
    align-items: center;
  }

  .page-products .endgame__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .solutions-mobile__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .solutions-mobile__media {
    margin-top: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 1080px) {
  .page-products .factions__panel {
    grid-template-columns: 320px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .steps__item::before,
  .page-products .solutions-rail__card,
  .page-products .factions__tab,
  .page-products .level,
  .page-products .level__bar::after,
  .page-products .ops__chip {
    transition: none;
  }
}