.page-products {
  --prod-space: clamp(4rem, 8vw, 7rem);
  --prod-gap: clamp(1rem, 2vw, 1.5rem);
  background: var(--c-cream);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-products a {
  color: var(--c-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-products .breadcrumb {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.page-products .chapter__head {
  margin-bottom: 2.5rem;
}

.page-products .products-section {
  padding: var(--prod-space) 0;
  scroll-margin-top: 6rem;
}

.page-products [data-scroll-section][data-visible] {
  animation: prodFadeIn .65s ease both;
}

@keyframes prodFadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ============ Hero ============ */
.page-products .products-hero {
  display: grid;
  gap: 2.5rem;
  padding: 2.5rem 0 3.5rem;
  align-items: center;
}

.page-products .products-hero__kicker {
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.page-products .products-hero h1 {
  font-family: var(--font-head);
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-primary);
  margin: 0 0 1rem;
  max-width: 10em;
}

.page-products .products-hero__lead {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--c-muted);
  max-width: 34em;
  margin-bottom: 2rem;
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-products .products-hero__visual {
  position: relative;
  min-height: 240px;
}

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

.page-products .products-hero__note {
  position: absolute;
  right: .25rem;
  bottom: 2.5rem;
  color: var(--c-primary);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: .2em;
  mix-blend-mode: multiply;
}

/* ============ 数据条带 ============ */
.page-products .products-stats {
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-gray);
}

.page-products .products-stats__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-border);
}

.page-products .products-stats__item {
  background: var(--c-gray);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.page-products .products-stats__num {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
}

.page-products .products-stats__label {
  font-size: var(--fs-micro);
  color: var(--c-muted);
  letter-spacing: .08em;
}

/* ============ 注册流程 ============ */
.page-products .register-layout {
  display: grid;
  gap: 2.5rem;
}

.page-products .register-nav {
  border-top: 3px solid var(--c-primary);
  padding-top: 1.25rem;
}

.page-products .register-nav__meta {
  font-size: var(--fs-small);
  color: var(--c-muted);
  margin: 0 0 1.25rem;
}

.page-products .register-nav__meta strong {
  font-size: calc(var(--fs-body) * 1.15);
  color: var(--c-primary);
}

.page-products .register-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-products .register-nav__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1rem;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-text);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.page-products .register-nav__num {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--c-accent);
  font-size: .8rem;
}

.page-products .register-nav__link:hover {
  border-color: var(--c-primary);
  background: var(--c-primary);
  color: #fff;
}

.page-products .register-nav__link:hover .register-nav__num {
  color: #fff;
}

.page-products .register-nav__progress {
  display: none;
}

.page-products .register-steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.page-products .register-card {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  border: 1px solid var(--c-border);
  background: #fff;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  scroll-margin-top: 7rem;
}

.page-products .register-card__media {
  width: 100%;
}

.page-products .register-card__img {
  width: 100%;
  max-height: 460px;
}

.page-products .register-card__body {
  min-width: 0;
}

.page-products .register-card__step {
  display: inline-block;
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--c-accent);
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: .25rem;
  border-bottom: 2px solid var(--c-accent);
}

.page-products .register-card h3 {
  font-family: var(--font-head);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 .75rem;
}

.page-products .register-card p {
  line-height: 1.65;
  color: var(--c-muted);
  margin: 0 0 1rem;
}

.page-products .register-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-border);
}

.page-products .register-card__list li {
  padding: .6rem 0 .6rem 1.5rem;
  border-bottom: 1px solid var(--c-border);
  font-size: .9375rem;
  color: var(--c-text);
  position: relative;
}

.page-products .register-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  transform: rotate(45deg);
}

/* ============ 下载方式 ============ */
.page-products .downloads-section {
  background: var(--c-gray);
}

.page-products .downloads-section .chapter__head {
  margin-bottom: 2rem;
}

.page-products .download-grid {
  display: grid;
  gap: 1.5rem;
}

.page-products .download-card {
  position: relative;
  border: 1px solid var(--c-border);
  background: var(--c-cream);
  padding: 1.75rem 1.5rem;
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-products .download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(10, 31, 68, .08);
}

.page-products .download-card__device {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-primary);
  background: rgba(10, 31, 68, .06);
  padding: .35rem .6rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(10, 31, 68, .14);
}

.page-products .download-card h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 .75rem;
}

.page-products .download-card p {
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0 0 1rem;
}

.page-products .download-card__note {
  font-size: var(--fs-micro);
  color: var(--c-muted);
}

.page-products .download-card--featured {
  border-color: var(--c-accent);
  border-width: 2px;
}

.page-products .download-card__badge {
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--c-accent);
  color: #fff;
  font-size: var(--fs-micro);
  font-weight: 700;
  padding: .35rem 1rem;
  letter-spacing: .14em;
  opacity: 1;
  transition: opacity .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .page-products .download-card__badge {
    opacity: 0;
  }

  .page-products .download-card--featured:hover .download-card__badge,
  .page-products .download-card--featured:focus-within .download-card__badge {
    opacity: 1;
  }
}

.page-products .download-banner {
  margin: 2.5rem 0 1rem;
  padding: 0;
  position: relative;
}

.page-products .download-banner__img {
  width: 100%;
  display: block;
  border: 1px solid var(--c-border);
  background: var(--c-cream);
}

.page-products .download-banner__caption {
  display: inline-block;
  font-size: var(--fs-micro);
  color: var(--c-muted);
  padding: .5rem .75rem;
  background: var(--c-cream);
  border: 1px solid var(--c-border);
  border-top: none;
}

.page-products .download-section__faq {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.6;
  margin-top: 1.5rem;
}

/* ============ 功能亮点 ============ */
.page-products .feature-list {
  border-top: 3px solid var(--c-primary);
}

.page-products .feature-item {
  display: grid;
  gap: .75rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0;
  border-bottom: 1px solid var(--c-border);
}

.page-products .feature-item__num {
  font-family: var(--font-head);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .1em;
}

.page-products .feature-item__content h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 .4rem;
}

.page-products .feature-item__content p {
  font-size: .94rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
}

.page-products .feature-item__tag {
  justify-self: start;
  border: 1px solid var(--c-border);
  background: var(--c-cream);
  padding: .3rem .75rem;
  font-size: var(--fs-micro);
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: .08em;
}

/* ============ 版本兼容 ============ */
.page-products .compatibility-section {
  background-image: linear-gradient(to right, rgba(10, 31, 68, .04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 31, 68, .04) 1px, transparent 1px);
  background-size: 48px 48px;
  background-color: var(--c-cream);
}

.page-products .compat-layout {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

.page-products .compat-copy h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 .75rem;
}

.page-products .compat-copy p {
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-products .compat-copy__list {
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
}

.page-products .compat-copy__list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: .6rem;
  font-size: .9375rem;
  color: var(--c-text);
}

.page-products .compat-copy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  transform: rotate(45deg);
}

.page-products .compat-copy__note {
  font-size: var(--fs-small);
  color: var(--c-muted);
  margin-top: .75rem;
}

.page-products .compat-table-wrap {
  border: 1px solid var(--c-border);
  background: #fff;
  overflow-x: auto;
}

.page-products .compat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.page-products .compat-table caption {
  text-align: left;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-muted);
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--c-border);
  caption-side: top;
}

.page-products .compat-table th,
.page-products .compat-table td {
  padding: .8rem .9rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}

.page-products .compat-table th {
  font-weight: 700;
  color: var(--c-primary);
  background: var(--c-gray);
  white-space: nowrap;
}

.page-products .compat-table td {
  color: var(--c-text);
  white-space: nowrap;
}

.page-products .compat-table tr:last-child td {
  border-bottom: none;
}

.page-products .compat-table td:first-child {
  font-weight: 600;
  color: var(--c-primary);
}

/* ============ 底部转化区 ============ */
.page-products .products-cta {
  background: var(--c-primary);
  color: #fff;
  padding: var(--prod-space) 0;
}

.page-products .products-cta__inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-products .products-cta__label {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--c-accent);
  margin: 0 0 .5rem;
}

.page-products .products-cta h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 1rem;
}

.page-products .products-cta p {
  color: rgba(255, 255, 255, .78);
  line-height: 1.65;
  max-width: 30em;
  margin-bottom: 1.75rem;
}

.page-products .products-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-products .products-cta__visual {
  text-align: left;
}

.page-products .products-cta__img {
  border: 1px solid rgba(255, 255, 255, .25);
  width: 100%;
  max-height: 220px;
}

/* ============ 桌面端布局 ============ */
@media (min-width: 960px) {
  .page-products .products-hero {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    min-height: 560px;
    padding: 3rem 0 5rem;
  }

  .page-products .products-hero__visual {
    min-height: 360px;
  }

  .page-products .products-stats__inner {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .products-stats__item {
    padding: 2rem 1.5rem;
  }

  .page-products .register-layout {
    grid-template-columns: 220px 1fr;
    gap: 3rem;
  }

  .page-products .register-nav {
    position: sticky;
    top: 7.5rem;
    border-top: none;
    border-right: 1px solid var(--c-border);
    padding-top: 0;
    padding-right: 1.5rem;
  }

  .page-products .register-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .page-products .register-nav__link {
    display: flex;
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--c-border);
    padding: 1rem .5rem;
  }

  .page-products .register-nav__link:hover {
    background: transparent;
    color: var(--c-primary);
    border-bottom-color: var(--c-primary);
  }

  .page-products .register-nav__link:hover .register-nav__num {
    color: var(--c-accent);
  }

  .page-products .register-nav__progress {
    display: block;
    height: 3px;
    background: var(--c-border);
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
  }

  .page-products .register-nav__bar {
    display: block;
    height: 100%;
    width: 33.333%;
    background: var(--c-accent);
    transition: width .45s ease;
  }

  .page-products:has(#step-2:target) .register-nav__bar {
    width: 66.666%;
  }

  .page-products:has(#step-3:target) .register-nav__bar {
    width: 100%;
  }

  .page-products .register-card {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
  }

  .page-products .register-card--flip .register-card__body {
    order: 1;
  }

  .page-products .register-card--flip .register-card__media {
    order: 2;
  }

  .page-products .register-card--centered {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .page-products .register-card--centered .register-card__body {
    max-width: 720px;
    margin: 0 auto;
  }

  .page-products .register-card--centered .register-card__list {
    text-align: left;
  }

  .page-products .download-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .page-products .download-card {
    padding: 2rem 1.75rem;
  }

  .page-products .feature-item {
    grid-template-columns: 60px 1fr 160px;
    gap: 1.5rem;
    align-items: start;
  }

  .page-products .feature-item__tag {
    justify-self: end;
    margin-top: .25rem;
  }

  .page-products .compat-layout {
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
  }

  .page-products .products-cta__inner {
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
  }

  .page-products .products-cta__visual {
    text-align: right;
  }
}

@media (min-width: 1200px) {
  .page-products .products-hero {
    gap: 5rem;
  }

  .page-products .register-layout {
    grid-template-columns: 260px 1fr;
  }
}