.page-products {
  --ps-rail-w: 196px;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(216, 169, 74, 0.10), transparent 62%),
    radial-gradient(760px 420px at 2% 6%, rgba(57, 214, 200, 0.06), transparent 68%);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ===== 首屏声明 ===== */
.page-products .product-mast {
  padding: clamp(26px, 4vw, 52px) 0 clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .product-mast h1 {
  margin: 12px 0 18px;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--sand-100);
}

.page-products .mast-lede {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--muted-400);
}

.page-products .mast-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .mast-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-500);
}

.page-products .fact-label {
  font-size: 13px;
  color: var(--muted-400);
}

/* ===== 索引条 + 内容区 ===== */
.page-products .panel-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
  padding-top: clamp(20px, 3vw, 36px);
}

.page-products .entry-rail {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 12px;
}

.page-products .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-400);
}

.page-products .rail-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 2px 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .rail-list li {
  flex: 0 0 auto;
}

.page-products .rail-link {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--glass);
  color: var(--sand-100);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .rail-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gold-500);
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 1px;
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  border-color: rgba(216, 169, 74, 0.55);
  background: rgba(216, 169, 74, 0.12);
  color: var(--gold-300);
}

/* ===== 章节骨架 ===== */
.page-products .ps {
  padding: clamp(28px, 4vw, 54px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-products .ps:first-of-type {
  border-top: 0;
  padding-top: 6px;
}

.page-products .ps-head {
  max-width: 66ch;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-products .ps h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--sand-100);
}

.page-products .ps-lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted-400);
}

/* ===== 四组卡片 ===== */
.page-products .group-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .group-card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
}

.page-products .group-card::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 30px;
  height: 2px;
  background: var(--gold-500);
}

.page-products .group-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--sand-100);
}

.page-products .group-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted-400);
}

.page-products .chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: rgba(7, 9, 12, 0.6);
  font-size: 12.5px;
  color: var(--sand-100);
}

.page-products .chip-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

/* ===== 12 入口全表 ===== */
.page-products .entry-visual {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .entry-group {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .entry-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .entry-group-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--sand-100);
}

.page-products .group-range {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
  white-space: nowrap;
}

.page-products .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .entry {
  padding: 16px 18px 18px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line-gold);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.005));
  scroll-margin-top: calc(var(--head-h) + 28px);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .entry:hover {
  border-left-color: var(--gold-500);
  transform: translateX(3px);
}

.page-products .entry:target {
  border-color: rgba(216, 169, 74, 0.55);
  border-left-color: var(--gold-500);
  background: rgba(216, 169, 74, 0.08);
}

.page-products .entry-code {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
  border-bottom: 1px solid var(--line-gold);
  display: inline-block;
  padding-bottom: 2px;
}

.page-products .entry-name {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--sand-100);
}

.page-products .entry-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px 10px;
  margin: 12px 0 0;
  font-size: 13px;
}

.page-products .entry-meta dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted-400);
  padding-top: 2px;
  white-space: nowrap;
}

.page-products .entry-meta dd {
  margin: 0;
  line-height: 1.65;
  color: rgba(244, 238, 226, 0.84);
}

/* ===== 玩法阅读顺序 ===== */
.page-products .read-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .read-steps li {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .step-code {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  border-radius: 5px;
  background: rgba(216, 169, 74, 0.14);
  border: 1px solid var(--line-gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-300);
}

.page-products .read-steps h3,
.page-products .start-steps h3,
.page-products .pick h3,
.page-products .scene-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--sand-100);
}

.page-products .read-steps p,
.page-products .start-steps p,
.page-products .pick p,
.page-products .scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted-400);
}

/* ===== 版本对照表 ===== */
.page-products .ver-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .ver-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ver-table thead th {
  padding: 13px 14px;
  text-align: left;
  background: var(--ink-700);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--sand-100);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .ver-table thead th.is-new {
  color: var(--cyan-400);
  box-shadow: inset 0 2px 0 var(--cyan-400);
}

.page-products .ver-table tbody th {
  width: 118px;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--sand-100);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .ver-table tbody td {
  padding: 12px 14px;
  line-height: 1.7;
  color: rgba(244, 238, 226, 0.8);
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .ver-table td.is-new {
  color: var(--cyan-400);
}

.page-products .ver-table td.is-shared {
  color: var(--gold-300);
  background: rgba(216, 169, 74, 0.07);
}

/* ===== 平板横竖屏 ===== */
.page-products .tablet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .tablet-side {
  display: grid;
  gap: 12px;
}

.page-products .tablet-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--gold-500);
  border-radius: 0 10px 10px 0;
  background: rgba(216, 169, 74, 0.06);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted-400);
}

.page-products .orientation-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.page-products .orient {
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--ink-800);
  text-align: center;
}

.page-products .orient svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 220px;
  margin: 0 auto;
}

.page-products .orient p {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted-400);
}

.page-products .fs-body {
  fill: rgba(255, 255, 255, 0.03);
  stroke: var(--line-gold);
  stroke-width: 1.4;
}

.page-products .fs-slot {
  fill: rgba(216, 169, 74, 0.16);
  stroke: rgba(216, 169, 74, 0.5);
  stroke-width: 1;
}

.page-products .fs-bar {
  fill: rgba(57, 214, 200, 0.28);
  stroke: rgba(57, 214, 200, 0.7);
  stroke-width: 1;
}

/* ===== 反馈条状态 ===== */
.page-products .fb-banner {
  margin: 0 0 16px;
}

.page-products .fb-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .fb {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 13.5px;
}

.page-products .fb-tag {
  flex: 0 0 auto;
  padding: 3px 9px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-products .fb-text {
  flex: 1 1 auto;
  line-height: 1.6;
  color: var(--sand-100);
}

.page-products .fb-code {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  opacity: 0.75;
}

.page-products .fb-ok {
  border-color: rgba(216, 169, 74, 0.42);
  background: rgba(216, 169, 74, 0.09);
}

.page-products .fb-ok .fb-tag {
  background: var(--gold-500);
  color: var(--ink-900);
}

.page-products .fb-ok .fb-code {
  color: var(--gold-300);
}

.page-products .fb-busy {
  border-color: rgba(57, 214, 200, 0.4);
  background: rgba(57, 214, 200, 0.07);
}

.page-products .fb-busy .fb-tag {
  background: var(--cyan-400);
  color: var(--ink-900);
}

.page-products .fb-busy .fb-code {
  color: var(--cyan-400);
}

.page-products .fb-retry {
  border-color: rgba(217, 72, 59, 0.45);
  background: rgba(217, 72, 59, 0.1);
}

.page-products .fb-retry .fb-tag {
  background: var(--red-500);
  color: var(--sand-100);
}

.page-products .fb-retry .fb-text,
.page-products .fb-retry .fb-code {
  color: var(--red-300);
}

/* ===== 上手三步 ===== */
.page-products .start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-products .start-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .start-steps li {
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-products .start-picks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.page-products .pick {
  padding: 16px 18px;
  border: 1px solid var(--line-gold);
  border-radius: 12px;
  background: rgba(216, 169, 74, 0.045);
}

.page-products .pick h3 {
  font-size: 15.5px;
  color: var(--gold-300);
}

/* ===== 使用场景 ===== */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .scene-card {
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(200deg, rgba(57, 214, 200, 0.07), transparent 55%),
    var(--ink-800);
}

.page-products .scene-card h3 {
  font-size: 16px;
}

/* ===== 继续了解 ===== */
.page-products .next-links {
  margin-top: clamp(26px, 4vw, 52px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  background: rgba(216, 169, 74, 0.05);
}

.page-products .next-links ul {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .next-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--sand-100);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .next-links a::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 1px;
  background: var(--gold-500);
}

.page-products .next-links a:hover,
.page-products .next-links a:focus-visible {
  color: var(--gold-300);
  border-bottom-color: var(--line-gold);
}

/* ===== 断点 ===== */
@media (min-width: 700px) {
  .page-products .group-stack,
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .entry-grid {
    grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
  }

  .page-products .start-picks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .read-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .tablet-grid {
    grid-template-columns: 1.42fr 1fr;
    align-items: start;
  }

  .page-products .start-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-products .panel-layout {
    grid-template-columns: var(--ps-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 3vw, 52px);
  }

  .page-products .entry-rail {
    position: sticky;
    top: calc(var(--head-h) + 18px);
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
    padding: 0 0 0 2px;
  }

  .page-products .rail-list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-products .rail-list li + li {
    margin-top: 2px;
  }

  .page-products .rail-link {
    min-height: 40px;
    padding: 0 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 8px 8px 0;
    background: transparent;
    font-size: 13.5px;
    color: var(--muted-400);
  }

  .page-products .rail-link:hover,
  .page-products .rail-link:focus-visible {
    border-left-color: var(--gold-500);
    background: rgba(216, 169, 74, 0.09);
    color: var(--gold-300);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry,
  .page-products .rail-link,
  .page-products .next-links a {
    transition: none;
  }

  .page-products .entry:hover {
    transform: none;
  }
}