/* ===== 产品服务页 · 页面专属样式 ===== */
.page-products {
  background: var(--color-cream);
  color: var(--color-ink);
  overflow-x: hidden;
}

.page-products__wrap {
  max-width: var(--site-w);
  margin: 0 auto;
  padding: 24px 20px 80px;
  min-width: 0;
}

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

.page-products__crumb {
  margin-bottom: 24px;
}

.page-products__hero {
  display: grid;
  gap: 32px;
  padding: 12px 0 24px;
  position: relative;
}

.page-products__hero-copy {
  position: relative;
  z-index: 1;
}

.page-products__hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 12em;
}

.page-products__hero-lead {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.8;
  margin: 0 0 12px;
  max-width: 54ch;
}

.page-products__hero-sub {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(45, 31, 20, 0.68);
  margin: 0;
}

.page-products__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__hero-visual {
  position: relative;
  transform: rotate(-2deg);
}

.page-products__hero-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(26, 42, 110, 0.16);
  background: linear-gradient(135deg, var(--color-deep), var(--color-purple));
  box-shadow: var(--shadow-2);
}

.page-products__hero-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 8 / 5;
  opacity: 0.94;
}

.page-products__hero-float {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-family: var(--font-data);
  font-size: 0.875rem;
  box-shadow: var(--shadow-1);
}

.page-products__hero-float strong {
  color: var(--color-accent);
  font-size: 1.0625rem;
}

.page-products__signal {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-neon) 0%, var(--color-deep) 45%, var(--color-accent) 100%);
  opacity: 0.7;
  margin-bottom: 8px;
}

.page-products__chapter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0 16px;
  margin: 8px 0 32px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}

.page-products__chapter .chapter-nav__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(26, 42, 110, 0.35);
  background: transparent;
  color: var(--color-deep);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.2s var(--ease);
}

.page-products__chapter .chapter-nav__link:hover {
  background: var(--color-deep);
  color: var(--color-cream);
  transform: translateY(-1px);
}

.page-products__section {
  margin: 64px 0 0;
  scroll-margin-top: 72px;
}

.page-products__section-head {
  margin-bottom: 28px;
}

.page-products__section-head h2,
.page-products__db-copy h2,
.page-products__fav-copy h2,
.page-products__legacy-copy h2,
.page-products__v4-copy h2 {
  font-family: var(--font-head);
  font-size: clamp(1.625rem, 3vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 8px 0 14px;
}

.page-products__section-lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0;
  max-width: 60ch;
  color: rgba(45, 31, 20, 0.82);
}

.page-products__bento {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--color-deep) transparent;
}

.page-products__bento-card {
  position: relative;
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  padding: 28px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-ink);
  border: 1px solid transparent;
  box-shadow: var(--shadow-1);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products__bento-card:hover {
  transform: translateY(-4px) rotate(-0.5deg);
  box-shadow: var(--shadow-2);
}

.page-products__bento-num {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  opacity: 0.6;
  letter-spacing: 0.06em;
}

.page-products__bento-card h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  margin: 20px 0 10px;
}

.page-products__bento-card p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin: 0 0 20px;
}

.page-products__bento-link {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  align-self: flex-start;
  margin-top: auto;
}

.page-products__bento-mini {
  position: absolute;
  top: 22px;
  right: 22px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-neon);
  background: rgba(198, 246, 48, 0.14);
  padding: 4px 10px;
  border-radius: 100px;
}

.page-products__bento-card--db {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-purple) 120%);
  color: var(--color-cream);
  border-color: rgba(255, 255, 255, 0.1);
}

.page-products__bento-card--db .page-products__bento-link {
  color: var(--color-neon);
  border-color: var(--color-neon);
}

.page-products__bento-card--fav {
  background: var(--color-white);
  border-color: rgba(26, 42, 110, 0.12);
}

.page-products__bento-card--fav::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-neon);
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-products__bento-card--legacy {
  background: var(--color-gray);
  border-color: rgba(45, 31, 20, 0.08);
}

.page-products__bento-card--v4 {
  background: linear-gradient(120deg, var(--color-ink) 0%, #4A2410 100%);
  color: var(--color-cream);
}

.page-products__bento-card--v4::before {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 96px;
  height: 96px;
  background: linear-gradient(45deg, var(--color-purple), transparent 70%);
  opacity: 0.55;
  border-radius: 50%;
}

.page-products__bento-card--v4 .page-products__bento-link {
  color: var(--color-neon);
  border-color: var(--color-neon);
}

.page-products__db-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products__db-copy .prose,
.page-products__fav-copy .prose,
.page-products__legacy-copy .prose,
.page-products__v4-copy .prose {
  font-size: 1.0625rem;
  line-height: 1.85;
}

.page-products__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 28px 0 20px;
}

.page-products__stats .stat {
  background: var(--color-white);
  border: 1px solid rgba(45, 31, 20, 0.07);
  border-radius: var(--radius-sm);
  padding: 16px 10px;
  text-align: center;
  box-shadow: var(--shadow-1);
}

.page-products__stats .stat__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.page-products__stats .stat__label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  opacity: 0.7;
  margin-top: 6px;
}

.page-products__stat-db {
  color: var(--color-deep);
}

.page-products__stat-neon {
  display: inline-block;
  color: var(--color-ink);
  background: var(--color-neon);
  border-radius: 6px;
  padding: 0 6px;
}

.page-products__db-data {
  margin-top: 24px;
  border: 1px solid rgba(26, 42, 110, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-products__db-data .data-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--color-white);
}

.page-products__db-data .data-row:nth-child(even) {
  background: var(--color-gray);
}

.page-products__db-data .data-row__k {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(45, 31, 20, 0.62);
}

.page-products__db-data .data-row__v {
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-deep);
  text-align: right;
}

.page-products__db-figure,
.page-products__legacy-figure,
.page-products__v4-figure {
  margin: 0;
}

.page-products__db-figure img,
.page-products__legacy-figure img,
.page-products__v4-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(45, 31, 20, 0.08);
}

.page-products__db-figure figcaption,
.page-products__legacy-figure figcaption,
.page-products__v4-figure figcaption {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(45, 31, 20, 0.62);
  margin-top: 10px;
}

.page-products__section--fav {
  margin-top: 72px;
}

.page-products__fav-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products__fav-visual {
  position: relative;
}

.page-products__fav-visual::after {
  content: "";
  position: absolute;
  inset: 8% -3% -5% 6%;
  background: linear-gradient(135deg, rgba(198, 246, 48, 0.28), rgba(26, 42, 110, 0.14));
  border-radius: var(--radius);
  transform: rotate(-2deg);
  z-index: -1;
}

.page-products__fav-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(45, 31, 20, 0.08);
}

.page-products__fav-fake {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: min(250px, 72%);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.8);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow-2);
}

.page-products__fav-fake-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.page-products__fav-fake ul {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.page-products__fav-fake li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(45, 31, 20, 0.15);
  font-family: var(--font-body);
  font-size: 0.875rem;
}

.page-products__fav-fake li:last-child {
  border-bottom: none;
}

.page-products__fav-fake li span {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-deep);
}

.page-products__fav-fake-btn {
  display: block;
  text-align: center;
  padding: 10px 14px;
  background: var(--color-deep);
  color: var(--color-cream);
  border-radius: 8px;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: default;
}

.page-products__export-steps {
  background: var(--color-gray);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0 24px;
}

.page-products__export-steps h3,
.page-products__fav-features h3,
.page-products__v4-nodes h3,
.page-products__legacy-box h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 900;
  margin: 0 0 14px;
}

.page-products__steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 38px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-products__steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-cream);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-products__fav-features ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products__fav-features li {
  position: relative;
  padding: 7px 0 7px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.page-products__fav-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 8px;
  height: 8px;
  background: var(--color-neon);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products__legacy-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products__timeline {
  margin: 32px 0;
  padding-left: 4px;
  border-left: 3px solid var(--color-accent);
}

.page-products__timeline-item {
  position: relative;
  padding: 0 0 26px 24px;
}

.page-products__timeline-item:last-child {
  padding-bottom: 0;
}

.page-products__timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-cream);
  box-sizing: border-box;
}

.page-products__timeline-year {
  display: block;
  font-family: var(--font-data);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-deep);
  margin-bottom: 4px;
}

.page-products__timeline-item p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(45, 31, 20, 0.78);
}

.page-products__legacy-box {
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 28px;
  border: 1px solid rgba(198, 246, 48, 0.25);
  box-shadow: var(--shadow-2);
}

.page-products__legacy-box h3 {
  color: var(--color-neon);
}

.page-products__legacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products__legacy-list li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 248, 231, 0.9);
}

.page-products__legacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 8px;
  height: 8px;
  background: var(--color-neon);
  border-radius: 50%;
}

.page-products__v4-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products__v4-figure {
  position: relative;
  margin: 0;
}

.page-products__v4-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.88;
  pointer-events: none;
}

.page-products__v4-nodes {
  background: var(--color-white);
  border-top: 4px solid var(--color-purple);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-top: 24px;
  box-shadow: var(--shadow-1);
}

.page-products__v4-nodes ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products__v4-nodes li {
  position: relative;
  padding: 10px 0 10px 24px;
}

.page-products__v4-nodes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--color-purple);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products__v4-nodes li strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
}

.page-products__v4-nodes li span {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(45, 31, 20, 0.72);
}

.page-products__next {
  margin-top: 80px;
}

.page-products__next-card {
  background: linear-gradient(135deg, var(--color-deep) 0%, #141C45 55%, var(--color-purple) 140%);
  color: var(--color-cream);
  border-radius: 20px;
  padding: 40px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-products__next-card::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -48px;
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, var(--color-neon), transparent 70%);
  opacity: 0.16;
  border-radius: 50%;
}

.page-products__next-card .sec-label {
  color: var(--color-neon);
}

.page-products__next-card h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  font-weight: 900;
  margin: 10px 0 14px;
  line-height: 1.2;
}

.page-products__next-card p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  opacity: 0.85;
  max-width: 56ch;
  margin: 0;
}

.page-products__next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
  position: relative;
  z-index: 1;
}

.page-products__next-btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 100px;
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products__next-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-products__next-btn--outline {
  border: 1px solid rgba(198, 246, 48, 0.55);
  color: var(--color-neon);
}

.page-products__next-btn--neon {
  background: var(--color-neon);
  color: var(--color-ink);
}

@media (min-width: 768px) {
  .page-products__hero {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
    padding: 48px 0 64px;
  }

  .page-products__hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
  }

  .page-products__chapter {
    justify-content: center;
  }

  .page-products__bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 18px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products__bento-card {
    flex: none;
    min-width: 0;
    min-height: 220px;
  }

  .page-products__bento-card--db {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    min-height: 430px;
  }

  .page-products__bento-card--fav {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
  }

  .page-products__bento-card--legacy {
    grid-column: 4 / 5;
    grid-row: 1 / 2;
  }

  .page-products__bento-card--v4 {
    grid-column: 3 / 5;
    grid-row: 2 / 3;
  }

  .page-products__db-grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
  }

  .page-products__fav-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
  }

  .page-products__legacy-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-products__v4-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products__hero {
    padding-top: 64px;
  }

  .page-products__section {
    margin-top: 88px;
  }

  .page-products__next-card {
    padding: 56px 48px;
  }
}