.page-products {
  --prod-gap: 20px;
  --prod-card-pad: clamp(20px, 2.4vw, 30px);
  max-width: var(--shell);
  margin-inline: auto;
  padding: 20px clamp(16px, 4vw, 40px) clamp(56px, 8vw, 96px);
  display: flex;
  flex-direction: column;
  gap: clamp(42px, 7vw, 84px);
  font-family: var(--font-body);
  color: var(--text-body);
}

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

.page-products .section-sub {
  max-width: 66ch;
  margin: 8px 0 0;
  line-height: 1.78;
  font-size: 0.97rem;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
  min-width: 0;
}

@media (min-width: 920px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.page-products .prod-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products .prod-hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--snow);
}

.page-products .prod-lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(1rem, 1.25vw, 1.08rem);
  line-height: 1.82;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .prod-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0 0;
}

.page-products .prod-facts .fact {
  background: var(--ink-1);
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  padding: 13px 15px;
  min-width: 0;
}

.page-products .prod-facts dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gray);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .prod-facts dd {
  margin: 7px 0 0;
  color: var(--snow);
  font-size: 0.92rem;
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.42rem;
  color: var(--coral);
  margin-right: 3px;
}

.page-products .prod-hero-art {
  min-width: 0;
}

.page-products .prod-hero-art svg {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 34px 62px rgba(3, 7, 22, 0.62));
}

/* ---------- Bento 功能矩阵 ---------- */

.page-products .bento-layout {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(24px, 3vw, 38px);
  min-width: 0;
}

@media (min-width: 1020px) {
  .page-products .bento-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    align-items: start;
  }
  .page-products .bento-rail {
    position: sticky;
    top: 26px;
  }
}

.page-products .bento-rail {
  background: var(--ink-deep);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  padding: 20px 17px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-products .rail-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--butter);
}

.page-products .rail-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .rail-menu a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.93rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-products .rail-menu a:hover,
.page-products .rail-menu a:focus-visible {
  background: var(--ink-2);
  border-left-color: var(--coral);
  color: var(--snow);
}

.page-products .rail-idx {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  color: var(--coral);
}

.page-products .rail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 13px;
  border-top: 1px dashed var(--edge);
}

.page-products .bento-grid {
  display: grid;
  gap: var(--prod-gap);
  min-width: 0;
}

@media (min-width: 720px) {
  .page-products .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .fcard--query,
  .page-products .tl-strip {
    grid-column: 1 / -1;
  }
}

.page-products .fcard {
  background: var(--ink-1);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  padding: var(--prod-card-pad);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.page-products .fcard:hover {
  transform: translateY(-3px);
  border-color: var(--edge-strong);
}

.page-products .fcard-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-products .fcard-head .card-title {
  margin: 0;
}

.page-products .fcard p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
}

.page-products .fcard-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-products .fcard-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-products .li-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--coral);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products .fcard-figure {
  margin: 4px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--ink-deep);
  width: 100%;
}

.page-products .fcard--query .fcard-figure {
  aspect-ratio: 16 / 7;
}

.page-products .fcard--download .fcard-figure {
  aspect-ratio: 3 / 2;
}

.page-products .fcard--replay .fcard-figure {
  aspect-ratio: 3 / 2;
}

.page-products .fcard-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .fcard-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding-top: 11px;
  border-top: 1px dashed var(--edge);
  font-family: var(--font-mono);
  font-size: 0.77rem;
  color: var(--gray);
}

.page-products .fcard-meta .meta-key {
  color: var(--barley);
  letter-spacing: 0.06em;
}

/* ---------- 资料筛选演示 ---------- */

.page-products .pack-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pack-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 13px;
  border-radius: var(--r-sm);
  background: rgba(247, 247, 245, 0.045);
  border: 1px solid var(--edge);
  font-size: 0.9rem;
}

.page-products .pack-list li[hidden] {
  display: none;
}

.page-products .pack-name {
  color: var(--snow);
  min-width: 0;
}

.page-products .pack-tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--butter);
  white-space: nowrap;
}

/* ---------- 时间线 ---------- */

.page-products .tl-strip {
  min-width: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.4vw, 28px);
  background:
    linear-gradient(140deg, rgba(16, 26, 58, 0.94), rgba(27, 42, 85, 0.72));
}

.page-products .tl-strip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--butter), var(--barley));
}

.page-products .tl-strip-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.2em;
  color: var(--coral-soft);
}

.page-products .tl-track {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(178px, 1fr);
  gap: 13px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-products .tl-node {
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 15px;
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  background: var(--ink-deep);
}

.page-products .tl-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 15px;
  width: 34px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--coral);
}

.page-products .tl-date {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.07em;
  color: var(--gray);
}

.page-products .tl-title {
  font-weight: 800;
  font-size: 1rem;
  color: var(--snow);
}

.page-products .tl-links a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--butter);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 多端与版本 ---------- */

.page-products .device-grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(22px, 3vw, 34px);
  min-width: 0;
}

@media (min-width: 780px) {
  .page-products .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .device-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--prod-card-pad);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  min-width: 0;
}

.page-products .device-card--apple {
  background: linear-gradient(168deg, var(--ink-1), var(--ink-deep));
}

.page-products .device-card--web {
  background: linear-gradient(168deg, rgba(79, 174, 126, 0.16), var(--ink-deep) 72%);
}

.page-products .device-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.28rem;
  color: var(--snow);
}

.page-products .device-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
}

.page-products .device-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-products .device-card li {
  position: relative;
  padding-left: 17px;
}

.page-products .device-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--barley);
}

.page-products .device-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--ink-deep);
  aspect-ratio: 21 / 9;
}

.page-products .device-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .version-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.page-products .version-list .folding-body ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---------- 使用场景 ---------- */

.page-products .scene-grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(22px, 3vw, 34px);
  min-width: 0;
}

@media (min-width: 780px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .scene-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: var(--prod-card-pad);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  background: var(--ink-1);
  min-width: 0;
}

.page-products .scene-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--coral), var(--butter));
}

.page-products .scene-no {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.18em;
  color: var(--coral-soft);
}

.page-products .scene-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--snow);
}

.page-products .scene-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-products .scene-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--ink-deep);
  aspect-ratio: 3 / 1;
}

.page-products .scene-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 服务说明 ---------- */

.page-products .promise {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.6vw, 50px);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 107, 74, 0.2), transparent 56%),
    linear-gradient(152deg, var(--ink-1), var(--ink-deep));
}

.page-products .promise-inner {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  min-width: 0;
}

@media (min-width: 900px) {
  .page-products .promise-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .promise-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-products .promise-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.2;
  color: var(--snow);
}

.page-products .promise-copy p {
  margin: 0;
  max-width: 68ch;
  line-height: 1.82;
}

.page-products .promise-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-products .promise-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-products .promise-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  background: rgba(247, 247, 245, 0.05);
}

.page-products .ps-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--butter);
}

.page-products .ps-label {
  font-size: 0.88rem;
  color: var(--gray);
}

/* ---------- 移动端细节 ---------- */

@media (max-width: 619px) {
  .page-products .prod-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-facts .fact:last-child {
    grid-column: 1 / -1;
  }
  .page-products .scene-figure {
    aspect-ratio: 4 / 3;
  }
  .page-products .device-figure {
    aspect-ratio: 4 / 3;
  }
  .page-products .fcard--query .fcard-figure,
  .page-products .fcard--download .fcard-figure,
  .page-products .fcard--replay .fcard-figure {
    aspect-ratio: 4 / 3;
  }
  .page-products .tl-strip {
    padding: 16px 14px;
  }
  .page-products .tl-track {
    grid-auto-columns: minmax(76%, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fcard,
  .page-products .rail-menu a {
    transition: none;
  }
  .page-products .fcard:hover {
    transform: none;
  }
}