.page-products {
  --pp-progress: 0;
  --pp-gap: clamp(1rem, 3vw, 1.75rem);
  color: var(--frost);
  background: var(--ink-900);
}

.page-products .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-products .pp-sec {
  padding: clamp(2.5rem, 6vw, 4.75rem) 0;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .bc-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-sm);
  color: rgba(246, 241, 230, 0.6);
}

.page-products .bc-list li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: rgba(246, 241, 230, 0.28);
}

.page-products .bc-list a {
  color: rgba(246, 241, 230, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 163, 60, 0.45);
}

.page-products .bc-list a:hover {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-products .ph-hero {
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-products .ph-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .eyebrow {
  font-size: var(--fs-sm);
  letter-spacing: 0.16em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-products h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin: 0.6rem 0 0;
  color: var(--frost);
  max-width: 15ch;
}

.page-products .ph-lead {
  margin-top: 1.25rem;
  font-size: 1.0625rem;
  color: rgba(246, 241, 230, 0.82);
}

.page-products .body-text {
  line-height: 1.85;
  max-width: 38em;
}

.page-products .ph-hero-facts {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.page-products .ph-hero-facts li {
  display: flex;
  flex-direction: column;
  padding-left: 0.85rem;
  border-left: 2px solid var(--amber);
}

.page-products .fact-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--amber);
}

.page-products .fact-label {
  font-size: 0.8125rem;
  color: rgba(246, 241, 230, 0.68);
  margin-top: 0.2rem;
}

.page-products .ph-hero-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 图片框 ---------- */
.page-products .figure {
  margin: 0;
  padding: 0.5rem;
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

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

.page-products .figure-caption {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(246, 241, 230, 0.64);
  margin-top: 0.6rem;
  padding: 0 0.25rem 0.25rem;
}

/* ---------- 章节头 ---------- */
.page-products .ph-head {
  max-width: 62ch;
}

.page-products .ph-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.25;
  margin: 0.45rem 0 0;
  color: var(--frost);
}

.page-products .ph-sub {
  margin-top: 0.9rem;
  color: rgba(246, 241, 230, 0.76);
  font-size: 0.9688rem;
}

/* ---------- 服务总览 ---------- */
.page-products .svc-tags {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .svc-tags .tag {
  display: inline-block;
  text-decoration: none;
  font-size: 0.8125rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
}

.page-products .svc-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .svc-card {
  position: relative;
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--ink-800);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.4rem;
  box-shadow: 6px 6px 0 rgba(227, 163, 60, 0.16);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.page-products .svc-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 10px 0 rgba(227, 163, 60, 0.28);
}

.page-products .svc-count {
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 2.4rem;
  line-height: 1;
  color: rgba(227, 163, 60, 0.4);
}

.page-products .svc-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 0.4rem;
  padding-right: 3.5rem;
  color: var(--ink-text);
}

.page-products .svc-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0 0 0.85rem;
  color: var(--sage-deep);
}

.page-products .svc-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .svc-items li {
  font-size: 0.8125rem;
  padding: 0.22rem 0.5rem;
  background: var(--paper-2);
  border-left: 2px solid var(--amber);
  color: var(--ink-text);
}

/* ---------- 注册与导出 ---------- */
.page-products .export-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: 2rem;
}

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

.page-products .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding-bottom: 1.75rem;
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 2.85rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(227, 163, 60, 0.55), rgba(227, 163, 60, 0.06));
}

.page-products .step:last-child::before {
  display: none;
}

.page-products .step-num {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(227, 163, 60, 0.08);
  transition: background 0.24s ease, color 0.24s ease;
}

.page-products .step:hover .step-num {
  background: var(--amber);
  color: var(--ink-900);
}

.page-products .step-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0.5rem 0 0.35rem;
  color: var(--frost);
}

.page-products .step-body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.78);
  max-width: 36em;
}

.page-products .export-side {
  display: grid;
  gap: 1.25rem;
}

.page-products .format-block {
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.page-products .format-block h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.85rem;
  color: var(--frost);
}

.page-products .format-cards {
  display: grid;
  gap: 0.75rem;
}

.page-products .format-card {
  background: rgba(242, 231, 211, 0.06);
  border: 1px solid var(--line-dark-soft);
  border-radius: var(--radius);
  padding: 0.85rem;
}

.page-products .format-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
}

.page-products .format-card p {
  margin: 0.6rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.76);
}

.page-products .copy-btn {
  margin-top: 1rem;
  font-size: 0.8125rem;
}

/* ---------- 上手清单（暖纸区） ---------- */
.page-products .ph-check {
  background: var(--paper);
  color: var(--ink-text);
}

.page-products .ph-check .eyebrow {
  color: var(--sage-deep);
}

.page-products .ph-check .ph-head h2 {
  color: var(--ink-text);
}

.page-products .ph-check .ph-sub {
  color: rgba(29, 27, 23, 0.78);
}

.page-products .check-progress {
  height: 4px;
  margin: 1.75rem 0 1.25rem;
  background: var(--paper-2);
  overflow: hidden;
}

.page-products .check-progress__fill {
  display: block;
  height: 100%;
  width: calc(var(--pp-progress, 0) * 1%);
  background: linear-gradient(90deg, var(--amber), var(--vermilion));
  transition: width 0.35s ease;
}

.page-products .check-shell:has(#ck-1:checked) { --pp-progress: 20; }
.page-products .check-shell:has(#ck-2:checked) { --pp-progress: 40; }
.page-products .check-shell:has(#ck-3:checked) { --pp-progress: 60; }
.page-products .check-shell:has(#ck-4:checked) { --pp-progress: 80; }
.page-products .check-shell:has(#ck-5:checked) { --pp-progress: 100; }

.page-products .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.9rem 1rem;
  background: rgba(223, 207, 178, 0.42);
  border-left: 3px solid var(--paper-2);
  transition: background 0.24s ease, border-color 0.24s ease;
}

.page-products .check-item:has(.check-box:checked) {
  background: rgba(124, 155, 132, 0.18);
  border-left-color: var(--sage-deep);
}

.page-products .check-box {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin: 0.1rem 0 0;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink-800);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  flex: none;
}

.page-products .check-box:checked {
  background: var(--sage-deep);
  border-color: var(--sage-deep);
}

.page-products .check-box:checked::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg) translate(1px, -2px);
}

.page-products .check-box:focus-visible {
  outline: 2px solid var(--vermilion);
  outline-offset: 2px;
}

.page-products .check-item label {
  cursor: pointer;
}

.page-products .check-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--ink-text);
}

.page-products .check-item label span {
  display: block;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(29, 27, 23, 0.76);
}

.page-products .check-hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--sage-deep);
}

/* ---------- 桌面端登录 ---------- */
.page-products .desktop-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.page-products .req-panel h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.85rem;
  color: var(--frost);
}

.page-products .spec-list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .spec-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .spec-k {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-products .spec-v {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(246, 241, 230, 0.86);
  text-align: right;
}

.page-products .link-more {
  font-size: 0.875rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 163, 60, 0.5);
}

.page-products .link-more:hover {
  color: var(--amber-soft);
}

.page-products .device-notes {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .device-card {
  background: rgba(27, 42, 80, 0.62);
  border: 1px solid var(--line-dark);
  border-top: 2px solid var(--sage);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.page-products .device-card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin: 0 0 0.45rem;
  color: var(--frost);
}

.page-products .device-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.76);
}

/* ---------- 公告同步 ---------- */
.page-products .ph-sync {
  background: var(--ink-800);
}

.page-products .sync-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-products .sync-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .sync-list li {
  padding-left: 0.9rem;
  border-left: 2px solid var(--amber);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.84);
}

.page-products .sync-step {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--amber);
  margin-right: 0.45rem;
}

/* ---------- 稳定性与支持 ---------- */
.page-products .stat-row {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-products .stat {
  padding: 1.25rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(227, 163, 60, 0.14), rgba(15, 26, 56, 0) 70%);
}

.page-products .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--amber);
}

.page-products .stat-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(246, 241, 230, 0.76);
}

.page-products .support-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .support-card {
  padding: 1.15rem;
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--vermilion);
  border-radius: var(--radius);
  background: rgba(27, 42, 80, 0.5);
}

.page-products .support-card h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin: 0 0 0.45rem;
  color: var(--frost);
}

.page-products .support-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.76);
  word-break: break-word;
}

.page-products .support-card .link-more {
  font-size: 0.875rem;
}

/* ---------- 结尾 CTA ---------- */
.page-products .cta-panel {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid rgba(227, 163, 60, 0.35);
  border-radius: var(--radius);
  background: radial-gradient(circle at 100% 0%, rgba(227, 163, 60, 0.22), transparent 58%), var(--ink-800);
}

.page-products .cta-panel h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.25;
  margin: 0;
  color: var(--frost);
}

.page-products .cta-panel p {
  margin: 0.9rem 0 0;
  color: rgba(246, 241, 230, 0.8);
  font-size: 0.9688rem;
}

.page-products .cta-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .format-cards {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

@media (min-width: 900px) {
  .page-products .ph-hero-grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: end;
  }

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

  .page-products .export-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-products .desktop-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .sync-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .spec-v {
    text-align: right;
  }
}

@media (min-width: 1120px) {
  .page-products .svc-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-card,
  .page-products .check-progress__fill,
  .page-products .step-num,
  .page-products .check-item {
    transition: none;
  }

  .page-products .svc-card:hover {
    transform: none;
  }
}