.page-products {
  --prod-gap: 1px;
  --prod-pad: clamp(1rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line-dim);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(47, 243, 214, 0.07) 0%, rgba(6, 42, 42, 0) 42%),
    linear-gradient(90deg, rgba(76, 111, 255, 0.09) 0%, rgba(11, 16, 32, 0) 58%);
  pointer-events: none;
}

.page-products .prod-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

.page-products .prod-hero-main h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2rem, 6.5vw, 4.4rem);
  line-height: 1.14;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: var(--ink);
  max-width: 20ch;
}

.page-products .prod-hero-main .lede {
  margin-top: 1.25rem;
  max-width: 62ch;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.page-products .hero-panel {
  padding: 1.35rem 1.4rem 1.1rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line-dim);
  box-shadow: inset 0 1px 0 rgba(201, 210, 227, 0.12);
}

.page-products .panel-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-products .panel-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line-dim);
}

.page-products .panel-row:first-child {
  border-top: 1px solid var(--line-dim);
}

.page-products .panel-key {
  flex: 1 1 auto;
  font-size: 0.95rem;
  color: var(--ink);
}

.page-products .panel-val {
  font-size: 0.88rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
}

.page-products .panel-foot {
  margin: 0.9rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-dim);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .panel-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, 0.35);
}

/* ---------- 三列产品线 ---------- */
.page-products .prod-lines-section {
  border-bottom: 1px solid var(--line-dim);
}

.page-products .prod-lines-media {
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
}

.page-products .prod-lines-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-products .prod-lines {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-dim);
}

.page-products .line-card {
  padding: 1.5rem 0 1.75rem;
  border-bottom: 1px solid var(--line-dim);
  transition: background-color var(--dur) var(--ease);
}

.page-products .line-card:last-child {
  border-bottom: 1px solid var(--line-dim);
}

.page-products .line-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-products .line-index {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .line-card h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .line-media {
  margin: 0 0 1.1rem;
}

.page-products .line-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.95);
}

.page-products .line-copy {
  margin: 0 0 1.1rem;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .line-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dim);
}

.page-products .line-spec li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-dim);
  font-size: 0.87rem;
}

.page-products .spec-key {
  flex: 0 0 3.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--silver, #9AA7C2);
  color: var(--muted);
}

.page-products .spec-val {
  flex: 1 1 10rem;
  color: var(--ink);
  line-height: 1.6;
}

/* ---------- 安装包清单 ---------- */
.page-products .prod-packages {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line-dim);
}

.page-products .packages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-products .packages-intro h2 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(1.6rem, 3.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pkg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dim);
}

.page-products .pkg-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.25rem;
  padding: 0.95rem 0.85rem;
  border-bottom: 1px solid var(--line-dim);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pkg-main {
  flex: 1 1 16rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-products .pkg-name {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-products .pkg-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pkg-side {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.page-products .pkg-week {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--orange);
  white-space: nowrap;
}

/* ---------- 版本节奏 ---------- */
.page-products .prod-version {
  border-bottom: 1px solid var(--line-dim);
  background:
    linear-gradient(140deg, rgba(6, 42, 42, 0.85) 0%, rgba(11, 16, 32, 0) 55%);
}

.page-products .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .version-left h2 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(1.6rem, 3.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .version-legend {
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dim);
}

.page-products .legend-item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-dim);
}

.page-products .legend-item dt {
  flex: 0 0 5.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-products .legend-item dd {
  flex: 1 1 14rem;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .cycle-card {
  padding: 1.4rem 1.4rem 1.2rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line-dim);
}

.page-products .cycle-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .cycle-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-dim);
}

.page-products .cycle-item {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.page-products .cycle-num {
  flex: 0 0 auto;
  min-width: 7rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

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

.page-products .cycle-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .cycle-note a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
}

.page-products .cycle-media {
  margin: 1.25rem 0 0;
}

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

/* ---------- 系统要求表 ---------- */
.page-products .prod-req {
  border-bottom: 1px solid var(--line-dim);
}

.page-products .req-wrap {
  margin-top: 1.5rem;
  border: 1px solid var(--line-dim);
}

.page-products .table-caption {
  padding: 0.7rem 0.9rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-dim);
  background: var(--surface-2);
}

.page-products .req-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.55;
}

.page-products .req-table th,
.page-products .req-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-dim);
}

.page-products .req-table thead th {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .req-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .req-table tbody tr:nth-child(even) {
  background: rgba(28, 36, 56, 0.55);
}

.page-products .req-table td {
  color: var(--muted);
}

.page-products .req-min {
  font-family: var(--font-mono);
  color: var(--ink);
  letter-spacing: 0.03em;
}

.page-products .req-rec {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.03em;
}

.page-products .req-foot {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 78ch;
}

/* ---------- 账号同步 ---------- */
.page-products .prod-sync {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line-dim);
}

.page-products .sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .sync-copy h2 {
  margin: 0.6rem 0 1rem;
  font-size: clamp(1.6rem, 3.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .sync-copy .prose + .prose {
  margin-top: 1rem;
}

.page-products .sync-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, 0.35);
}

.page-products .sync-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
  border-left: 1px solid var(--line-dim);
}

.page-products .flow-step {
  position: relative;
  display: flex;
  gap: 1rem;
  padding: 0 0 1.4rem 1.4rem;
}

.page-products .flow-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-products .flow-step:last-child {
  padding-bottom: 0;
}

.page-products .flow-num {
  flex: 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 0.2rem;
}

.page-products .flow-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .flow-body p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */
.page-products .prod-faq {
  background:
    linear-gradient(200deg, rgba(6, 42, 42, 0.7) 0%, rgba(11, 16, 32, 0) 60%);
}

.page-products .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .faq-item {
  padding: 1.3rem 1.3rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line-dim);
  border-top: 2px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .faq-tag {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  color: var(--muted);
}

.page-products .faq-tag[data-state="pending"] {
  color: var(--orange);
}

.page-products .faq-tag[data-state="updating"] {
  color: var(--blue);
}

.page-products .faq-tag[data-state="online"] {
  color: var(--cyan);
}

.page-products .faq-item h3 {
  margin: 0 0 0.85rem;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .faq-steps {
  margin: 0;
  padding-left: 1.15rem;
}

.page-products .faq-steps li {
  margin-bottom: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-products .faq-steps a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, 0.35);
}

.page-products .faq-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dim);
}

.page-products .faq-tail p {
  margin: 0;
  flex: 1 1 22rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .faq-tail a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 214, 0.35);
}

.page-products .faq-tail .btn {
  flex: 0 0 auto;
}

/* ---------- 悬停与焦点 ---------- */
.page-products .line-card:hover,
.page-products .line-card:focus-within {
  background: rgba(28, 36, 56, 0.5);
}

.page-products .pkg-row:hover {
  background: rgba(47, 243, 214, 0.06);
  border-bottom-color: rgba(47, 243, 214, 0.35);
}

.page-products .faq-item:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 210, 227, 0.4);
}

.page-products .hero-panel:hover,
.page-products .cycle-card:hover {
  border-color: rgba(201, 210, 227, 0.36);
}

.page-products a:focus-visible,
.page-products .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-products .prod-lines {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 var(--prod-gap);
    border-top: 1px solid var(--line-dim);
  }

  .page-products .line-card {
    padding: 1.6rem var(--prod-pad) 1.9rem;
    border-bottom: none;
    border-right: 1px solid var(--line-dim);
  }

  .page-products .line-card:first-child {
    padding-left: 0;
  }

  .page-products .line-card:last-child {
    border-right: none;
    padding-right: 0;
  }

  .page-products .packages-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-products .packages-intro {
    position: sticky;
    top: 2rem;
  }

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

  .page-products .cycle-item {
    flex-direction: column;
    gap: 0.3rem;
  }

  .page-products .cycle-num {
    min-width: 0;
  }

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

@media (min-width: 1024px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-products .prod-hero-main {
    padding-right: 1rem;
  }

  .page-products .hero-panel {
    margin-top: 0.75rem;
  }

  .page-products .version-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .sync-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .sync-flow {
    padding-top: 0.5rem;
  }
}

@media (max-width: 600px) {
  .page-products .req-table {
    min-width: 560px;
    font-size: 0.82rem;
  }

  .page-products .req-table th,
  .page-products .req-table td {
    padding: 0.6rem 0.7rem;
  }

  .page-products .pkg-side {
    width: 100%;
    justify-content: space-between;
  }

  .page-products .faq-tail .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .line-card,
  .page-products .pkg-row,
  .page-products .faq-item,
  .page-products .hero-panel,
  .page-products .cycle-card {
    transition: none;
  }
}

.page-products {
  --silver: currentColor;
}