.page-products {
  --products-pad: clamp(1.25rem, 3vw, 2.75rem);
  position: relative;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding: 0 var(--products-pad) 4rem;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0 0;
  font-size: 0.85rem;
  color: var(--gray);
}
.page-products .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .breadcrumb a:hover {
  color: var(--orange);
}
.page-products .breadcrumb__divider {
  color: var(--line);
}
.page-products .breadcrumb__current {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2.25rem 0 2.75rem;
  overflow: hidden;
}
.page-products .products-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(135deg, transparent 38%, rgba(10, 31, 68, 0.05) 38% 66%, transparent 66%);
  pointer-events: none;
  z-index: 0;
}
.page-products .products-hero__main {
  position: relative;
  z-index: 1;
}
.page-products .products-hero__eyebrow {
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: var(--orange);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.page-products .products-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  max-width: 640px;
  font-weight: 700;
}
.page-products .products-hero__title-accent {
  color: var(--orange);
}
.page-products .products-hero__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
  max-width: 560px;
  margin: 0 0 1.25rem;
}
.page-products .products-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-products .products-hero__side {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}
.page-products .products-hero__version {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.page-products .products-hero__side p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--gray);
  background: var(--white);
  padding: 0.3rem 0.55rem;
  border-left: 3px solid var(--orange);
  letter-spacing: 0.08em;
}

/* ---------- 区块头 ---------- */
.page-products .section {
  padding: 2.75rem 0 0.5rem;
  border-top: 1px solid var(--line);
}
.page-products .section__head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.page-products .section__index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--orange);
}
.page-products .section__title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  text-transform: uppercase;
  margin: 0;
  font-weight: 700;
}
.page-products .section__note {
  margin-left: auto;
  color: var(--gray);
  font-size: 0.85rem;
}

/* ---------- 标签 ---------- */
.page-products .tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: 1px solid transparent;
  white-space: nowrap;
}
.page-products .tag--gold {
  background: var(--gold);
  color: var(--navy);
}
.page-products .tag--orange {
  background: var(--orange);
  color: #fff;
}
.page-products .tag--outline {
  background: transparent;
  border-color: var(--line);
  color: var(--gray);
}

/* ---------- 版本筛选 ---------- */
.page-products .version-filter {
  position: relative;
}
.page-products .version-filter__input {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  pointer-events: none;
}
.page-products .version-filter__labels {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.page-products .version-filter__label {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--gray);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
.page-products .version-filter__label:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.page-products #vf-all:checked ~ .version-filter__labels label[for="vf-all"],
.page-products #vf-desktop:checked ~ .version-filter__labels label[for="vf-desktop"],
.page-products #vf-mobile:checked ~ .version-filter__labels label[for="vf-mobile"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}
.page-products #vf-desktop:checked ~ .versions-grid .version-card--mobile,
.page-products #vf-mobile:checked ~ .versions-grid .version-card--desktop {
  display: none;
}

/* ---------- 版本网格 ---------- */
.page-products .versions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-products .version-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.5rem;
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  filter: drop-shadow(4px 4px 0 rgba(10, 31, 68, 0.08));
  transition: filter 0.25s, transform 0.25s;
}
.page-products .version-card:hover {
  transform: translateY(-2px);
  filter: drop-shadow(8px 8px 0 rgba(255, 107, 53, 0.24));
}
.page-products .version-card__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.page-products .version-card__brand {
  --icon-size: 44px;
  width: var(--icon-size);
  height: var(--icon-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: #fff;
  flex-shrink: 0;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.page-products .version-card__name {
  margin-right: auto;
}
.page-products .version-card__name h3 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  line-height: 1;
  margin: 0 0 0.25rem;
  letter-spacing: 0.04em;
  font-weight: 700;
}
.page-products .version-card__version {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray);
}
.page-products .version-card__specs {
  margin: 0;
  border-top: 1px dashed var(--line);
  padding-top: 0.85rem;
}
.page-products .version-card__specs div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.3rem 0;
  border-bottom: 1px dotted var(--line);
}
.page-products .version-card__specs dt {
  color: var(--gray);
  font-size: 0.82rem;
}
.page-products .version-card__specs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---------- 版本卡片内图片 ---------- */
.page-products .img-frame {
  overflow: hidden;
  background: var(--navy);
  line-height: 0;
}
.page-products .version-card__shot img,
.page-products .feature-row__media img {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .version-card .img-frame--tall img {
  max-height: 440px;
  width: 100%;
  object-fit: cover;
  object-position: top;
}

/* ---------- 下载按钮与二维码 ---------- */
.page-products .version-card__download {
  position: relative;
  margin-top: auto;
}
.page-products .version-card__qr-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-products .version-card__action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: background 0.25s, transform 0.25s;
}
.page-products .version-card__action:hover {
  background: #e04f1e;
  transform: translateY(-2px);
}
.page-products .version-card__action--ghost {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.page-products .version-card__action--ghost:hover {
  background: var(--navy);
  color: #fff;
}
.page-products .version-card__qr {
  display: none;
  align-items: center;
  gap: 1rem;
  margin-top: 0.85rem;
  padding: 0.85rem;
  background: var(--paper);
  border: 1px dashed var(--gray);
}
.page-products .version-card__qr p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}
.page-products .version-card__qr-hint {
  color: var(--gray);
  font-size: 0.75rem;
}
.page-products .version-card__qr-toggle:checked ~ .version-card__qr {
  display: flex;
  animation: products-qr-in 0.3s ease;
}
@keyframes products-qr-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 二维码图形 ---------- */
.page-products .qr-code {
  position: relative;
  width: 110px;
  height: 110px;
  background: #fff;
  border: 2px solid var(--ink);
  flex-shrink: 0;
}
.page-products .qr-code__finder {
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--ink);
  outline: 4px solid #fff;
  outline-offset: -2px;
}
.page-products .qr-code__finder--tl {
  top: 6px;
  left: 6px;
}
.page-products .qr-code__finder--tr {
  top: 6px;
  right: 6px;
}
.page-products .qr-code__finder--bl {
  bottom: 6px;
  left: 6px;
}
.page-products .qr-code__dots {
  position: absolute;
  top: 44px;
  left: 42px;
  width: 48px;
  height: 48px;
  background-image: radial-gradient(circle, var(--ink) 2px, transparent 2.6px);
  background-size: 12px 12px;
  background-position: 4px 4px;
  opacity: 0.85;
}

/* ---------- 功能特性 ---------- */
.page-products .feature-flow {
  display: grid;
  gap: 3rem;
}
.page-products .feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}
.page-products .feature-row__media {
  position: relative;
  margin: 0;
}
.page-products .feature-row__content {
  position: relative;
}
.page-products .feature-row__index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange);
  display: inline-block;
  margin-bottom: 0.35rem;
}
.page-products .feature-row__content h3 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.1;
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
  font-weight: 700;
}
.page-products .feature-row__content p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0 0 1rem;
}
.page-products .feature-row__content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}
.page-products .feature-row__content ul li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
}
.page-products .feature-row__content ul li::before {
  content: "//";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.page-products .feature-row__more {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0 1rem;
}
.page-products .feature-row__more summary {
  cursor: pointer;
  padding: 0.8rem 0;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--navy);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-products .feature-row__more summary::-webkit-details-marker {
  display: none;
}
.page-products .feature-row__more summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 1.1rem;
  line-height: 1;
}
.page-products .feature-row__more[open] summary::before {
  content: "−";
}
.page-products .feature-row__more p {
  padding-bottom: 1rem;
  margin: 0;
}

/* ---------- 图表角标 ---------- */
.page-products .chart-badge {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--navy);
  color: #fff;
  padding: 0.6rem 0.8rem;
  border-left: 4px solid var(--orange);
  font-size: 0.75rem;
  box-shadow: 4px 4px 0 rgba(10, 31, 68, 0.1);
  margin-top: 0.75rem;
}
.page-products .chart-badge svg {
  width: 88px;
  height: auto;
  flex-shrink: 0;
  display: block;
}

/* ---------- 更新日志 ---------- */
.page-products .changelog {
  position: relative;
  padding-left: 2.25rem;
  max-width: 760px;
}
.page-products .changelog::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--orange) 0 18%, var(--line) 18% 100%);
}
.page-products .changelog__item {
  position: relative;
  padding-bottom: 2rem;
}
.page-products .changelog__item:last-child {
  padding-bottom: 0;
}
.page-products .changelog__dot {
  position: absolute;
  left: -2.25rem;
  top: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--orange);
}
.page-products .changelog__body {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.1rem 1.25rem;
  position: relative;
  box-shadow: 4px 4px 0 rgba(10, 31, 68, 0.08);
}
.page-products .changelog__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}
.page-products .changelog__time {
  color: var(--gray);
  font-size: 0.8rem;
}
.page-products .changelog__body h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}
.page-products .changelog__body p {
  margin: 0;
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ---------- 安装指南 ---------- */
.page-products .install-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-products .install-step {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.6rem 1.4rem;
  position: relative;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  filter: drop-shadow(4px 4px 0 rgba(10, 31, 68, 0.08));
}
.page-products .install-step--dark {
  background: var(--navy);
  color: #fff;
  border: none;
}
.page-products .install-step__num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--orange);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.4rem;
}
.page-products .install-step--dark .install-step__num {
  color: var(--gold);
}
.page-products .install-step h3 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  margin: 0 0 0.8rem;
  letter-spacing: 0.03em;
  font-weight: 700;
}
.page-products .install-step ol {
  margin: 0;
  padding-left: 1.2rem;
}
.page-products .install-step li {
  font-size: 0.9rem;
  line-height: 1.8;
}
.page-products .install-step--dark li {
  color: rgba(255, 255, 255, 0.85);
}
.page-products .install-step code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--paper);
  padding: 0.1rem 0.35rem;
}
.page-products .install-step--dark code {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.page-products .install-support {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--gray);
}
.page-products .install-support a {
  color: var(--orange);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

/* ---------- 底部信任条 ---------- */
.page-products .trust-strip {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--gray);
}
.page-products .trust-strip p {
  margin: 0;
}
.page-products .trust-strip a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-products .trust-strip a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .versions-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .version-card--ios .img-frame--tall img,
  .page-products .version-card--android .img-frame--tall img {
    max-height: 500px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-products .products-hero {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    padding: 3rem 0 3.5rem;
  }
  .page-products .products-hero__main {
    max-width: 680px;
  }
  .page-products .products-hero__side {
    flex-shrink: 0;
    align-items: flex-end;
  }
  .page-products .products-hero__side p {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.4em;
    padding: 0.55rem 0.4rem;
    border-left: none;
    border-top: 3px solid var(--orange);
  }

  /* 功能特性双栏 */
  .page-products .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .page-products .feature-row--reverse .feature-row__media {
    order: 2;
  }
  .page-products .feature-row--reverse .feature-row__content {
    order: 1;
  }
  .page-products .chart-badge {
    position: absolute;
    right: 0.75rem;
    bottom: 0.75rem;
    display: block;
    width: 200px;
    margin-top: 0;
  }
  .page-products .chart-badge svg {
    width: 130px;
    margin-bottom: 0.4rem;
  }

  /* 安装步骤三列 */
  .page-products .install-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

/* ---------- 大屏 Bento 版本网格 ---------- */
@media (min-width: 1024px) {
  .page-products .versions-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-flow: row;
  }
  .page-products .version-card--win {
    grid-column: span 2;
    grid-row: span 2;
  }
  .page-products .version-card--mac {
    grid-column: span 2;
    grid-row: span 1;
  }
  .page-products .version-card--ios,
  .page-products .version-card--android {
    grid-column: span 1;
    grid-row: span 1;
  }
}