.page-products {
  --beam: linear-gradient(135deg, #39FF88 0%, #27D86F 100%);
  --clip-notch: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  background: var(--c-cream);
}

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

/* ---------- Hero 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  padding: 28px 0 56px;
  background: var(--c-cream);
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: var(--c-navy);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18% 100%);
  opacity: 0.05;
  pointer-events: none;
}

.page-products .hero-grid {
  display: grid;
  gap: 28px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* 下载卡 */
.page-products .hero-grid__aside {
  min-width: 0;
}

.page-products .download-card {
  position: relative;
  background: var(--c-navy);
  color: var(--c-cream);
  padding: 24px 20px 20px;
  border: 1px solid var(--c-line);
  box-shadow: 10px 10px 0 var(--c-shadow);
  clip-path: var(--clip-notch);
}

.page-products .download-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products .download-card .section-kicker {
  color: var(--c-green);
  font-size: 11px;
  letter-spacing: 0.14em;
  margin: 0;
}

.page-products .download-card__version {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-green);
  letter-spacing: 0.02em;
}

.page-products .download-card__img {
  width: 100%;
  max-width: 600px;
  margin: 0 auto 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-products .download-card__caption {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--c-cream);
}

.page-products .download-card__platform {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-steel);
  margin: 0 0 20px;
}

.page-products .download-card__btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 50px;
  background: var(--beam);
  color: var(--c-navy);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .download-card__btn:hover,
.page-products .download-card__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 0 rgba(57, 255, 136, 0.22);
}

.page-products .download-card__meta {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.page-products .download-card__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  font-size: 13px;
  color: rgba(245, 240, 232, 0.85);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.page-products .download-card__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-orange);
  flex: 0 0 auto;
}

.page-products .download-card__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-steel);
}

/* 中栏：主标题与功能拆解 */
.page-products .hero-grid__main {
  padding-top: 8px;
  min-width: 0;
}

.page-products .hero-grid__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
  margin: 0 0 12px;
}

.page-products .hero-grid__main h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--c-brown);
  margin: 0 0 20px;
}

.page-products .hero-grid__main h1 span {
  color: var(--c-navy);
}

.page-products .hero-grid__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-brown);
  max-width: 34em;
  margin: 0 0 28px;
}

.page-products .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0 0 24px;
}

.page-products .stat-strip__item {
  background: var(--c-navy);
  padding: 14px 12px;
  border-left: 3px solid var(--c-green);
}

.page-products .stat-strip__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-green);
  line-height: 1.2;
}

.page-products .stat-strip__label {
  font-size: 12px;
  color: rgba(245, 240, 232, 0.8);
  line-height: 1.4;
}

.page-products .hero-grid__foot {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-steel);
  max-width: 36em;
  margin: 0;
}

/* 右栏：特性卡 */
.page-products .hero-grid__rail {
  background: var(--c-navy);
  color: var(--c-cream);
  padding: 22px 16px;
  border: 1px solid var(--c-line);
  box-shadow: 10px 10px 0 var(--c-shadow);
  clip-path: var(--clip-notch);
  min-width: 0;
}

.page-products .rail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.18);
}

.page-products .rail-head .section-kicker {
  color: var(--c-green);
  font-size: 11px;
  letter-spacing: 0.14em;
  margin: 0;
}

.page-products .rail-head__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-products .rail-card {
  position: relative;
  padding: 14px 0 14px 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.page-products .rail-card::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--c-orange);
  transform: rotate(45deg);
}

.page-products .rail-card__num {
  position: absolute;
  left: -2px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-steel);
  transform: rotate(180deg);
  writing-mode: vertical-rl;
}

.page-products .rail-card h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--c-cream);
}

.page-products .rail-card p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--c-steel);
  margin: 0;
}

/* ---------- 章节通用 ---------- */
.page-products .products-section {
  padding: 60px 0;
}

.page-products .products-section--install {
  background: var(--c-navy);
  color: var(--c-cream);
}
.page-products .products-section--nav {
  background: var(--c-cream);
  color: var(--c-brown);
}
.page-products .products-section--features {
  background: var(--c-navy);
  color: var(--c-cream);
}
.page-products .products-section--compat {
  background: var(--c-cream);
  color: var(--c-brown);
}
.page-products .products-section--sync {
  background: var(--c-navy);
  color: var(--c-cream);
}
.page-products .products-section--changelog {
  background: var(--c-cream);
  color: var(--c-brown);
}

.page-products .section-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 36px;
}

.page-products .section-head .section-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
  margin-top: 2px;
}

.page-products .products-section--install .section-index,
.page-products .products-section--features .section-index,
.page-products .products-section--sync .section-index {
  color: var(--c-green);
}

.page-products .products-section--nav .section-index,
.page-products .products-section--compat .section-index,
.page-products .products-section--changelog .section-index {
  color: var(--c-orange);
}

.page-products .section-head__text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 6px;
}

.page-products .section-head h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-products .products-section--install .section-head h2,
.page-products .products-section--features .section-head h2,
.page-products .products-section--sync .section-head h2 {
  color: var(--c-cream);
}

.page-products .products-section--nav .section-head h2,
.page-products .products-section--compat .section-head h2,
.page-products .products-section--changelog .section-head h2 {
  color: var(--c-brown);
}

/* ---------- 01 下载与安装 ---------- */
.page-products .install-grid {
  display: grid;
  gap: 32px;
}

.page-products .install-grid__lead p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-cream);
  margin: 0 0 20px;
}

.page-products .products-section--install .btn--outline {
  background: transparent;
  border: 1px solid var(--c-green);
  color: var(--c-green);
}

.page-products .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .install-steps__item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-products .install-steps__num {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  background: var(--c-orange);
  color: var(--c-cream);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-products .install-steps__body h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-cream);
  margin: 0 0 4px;
}

.page-products .install-steps__body p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-steel);
  margin: 0;
}

.page-products .install-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .install-aside__card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-line);
  padding: 18px;
}

.page-products .install-aside__card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-steel);
  margin: 10px 0 0;
}

/* ---------- 02 苹果设备导航指南 ---------- */
.page-products .nav-guide {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-products .nav-guide__media {
  position: relative;
  background: var(--c-navy);
  border: 12px solid var(--c-brown);
  border-radius: 4px;
  box-shadow: 12px 12px 0 var(--c-shadow);
}

.page-products .nav-guide__img {
  width: 100%;
  object-fit: cover;
}

.page-products .nav-guide__content h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-brown);
  margin: 10px 0 16px;
}

.page-products .nav-guide__content > p:not(.section-kicker) {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-brown);
  margin: 0;
}

.page-products .nav-guide__tips {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .nav-guide__tips li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-top: 1px solid rgba(43, 29, 20, 0.1);
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-brown);
}

.page-products .nav-guide__tips li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--c-orange);
  transform: rotate(45deg);
}

.page-products .nav-guide .section-kicker {
  color: var(--c-orange);
}

/* ---------- 03 版本特性 ---------- */
.page-products .features-wrap {
  display: grid;
  gap: 20px;
}

.page-products .feature-poster {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-line);
  padding: 16px;
}

.page-products .feature-poster__img {
  width: 100%;
  margin-bottom: 14px;
  object-fit: cover;
}

.page-products .feature-poster__bar {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-products .feature-poster__bar p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-steel);
}

.page-products .feature-card {
  background: var(--c-cream);
  color: var(--c-brown);
  padding: 20px;
  border-left: 4px solid var(--c-orange);
  box-shadow: 8px 8px 0 var(--c-shadow);
}

.page-products .feature-card__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
  display: block;
  margin-bottom: 8px;
}

.page-products .feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-brown);
  margin: 0 0 8px;
}

.page-products .feature-card p {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(43, 29, 20, 0.78);
  margin: 0;
}

/* ---------- 04 设备兼容性 ---------- */
.page-products .compat-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products .compat-list {
  display: grid;
  gap: 16px;
}

.page-products .compat-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid rgba(37, 77, 106, 0.35);
  padding: 18px;
}

.page-products .compat-item__icon {
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 11px;
  background: var(--c-navy);
  color: var(--c-green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-products .compat-item__body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-brown);
  margin: 0 0 6px;
}

.page-products .compat-item__body p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-brown);
  margin: 0;
}

.page-products .compat-media {
  background: var(--c-navy);
  padding: 14px;
  border: 1px solid var(--c-line);
}

.page-products .compat-media__img {
  width: 100%;
  margin-bottom: 12px;
  object-fit: cover;
}

.page-products .compat-media p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-steel);
  margin: 0;
}

/* ---------- 05 换机与数据同步 ---------- */
.page-products .sync-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products .sync-media {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-line);
  padding: 14px;
}

.page-products .sync-media__img {
  width: 100%;
  object-fit: cover;
}

.page-products .sync-content > p:not(.sync-content__note) {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-cream);
  margin: 0;
}

.page-products .sync-steps {
  list-style: none;
  margin: 24px 0;
  padding: 0;
}

.page-products .sync-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-products .sync-steps__num {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-navy);
  background: var(--c-green);
}

.page-products .sync-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--c-cream);
}

.page-products .sync-content__note {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-green);
  margin: 0 0 20px;
}

.page-products .products-section--sync .btn--outline {
  background: transparent;
  border: 1px solid var(--c-green);
  color: var(--c-green);
}

/* ---------- 06 更新记录 ---------- */
.page-products .changelog {
  display: grid;
  gap: 24px;
}

.page-products .changelog__card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  padding: 24px;
  overflow: hidden;
}

.page-products .changelog__card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 64px;
  background: var(--c-orange);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  opacity: 0.12;
}

.page-products .changelog__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.page-products .changelog__version {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-products .changelog__card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-brown);
  margin: 0 0 12px;
}

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

.page-products .changelog__list li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-brown);
  border-top: 1px dashed rgba(43, 29, 20, 0.12);
}

.page-products .changelog__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 6px;
  height: 6px;
  background: var(--c-green);
  border-radius: 50%;
}

.page-products .changelog__cta {
  margin-top: 36px;
  padding: 18px;
  background: var(--c-navy);
  border-left: 4px solid var(--c-orange);
}

.page-products .changelog__cta p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-cream);
  margin: 0;
}

.page-products .changelog__cta a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 响应式：平板 ---------- */
@media (min-width: 720px) {
  .page-products .products-section {
    padding: 72px 0;
  }

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

  .page-products .install-grid {
    grid-template-columns: 0.9fr 1.2fr;
  }

  .page-products .install-aside {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .nav-guide {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-products .features-wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feature-poster {
    grid-column: 1 / -1;
  }

  .page-products .compat-grid {
    grid-template-columns: 1fr 0.85fr;
  }

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

  .page-products .changelog {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 980px) {
  .page-products .products-hero {
    padding: 36px 0 72px;
  }

  .page-products .hero-grid {
    grid-template-columns: 280px minmax(0, 1fr) 300px;
    gap: 32px;
  }

  .page-products .download-card {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .hero-grid__main {
    padding-top: 16px;
  }

  .page-products .hero-grid__rail {
    padding: 24px 18px;
  }

  .page-products .section-head .section-index {
    font-size: 64px;
  }

  .page-products .section-head h2 {
    font-size: 36px;
  }

  .page-products .install-grid {
    grid-template-columns: 0.9fr 1.3fr 0.9fr;
    gap: 28px;
  }

  .page-products .install-aside {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .page-products .feature-poster {
    grid-column: auto;
    grid-row: span 2;
  }

  .page-products .features-wrap {
    grid-template-columns: 1.15fr 1fr;
    align-items: stretch;
  }

  .page-products .feature-card h3 {
    font-size: 19px;
  }
}