.page-products {
  --cat-pad-y: clamp(44px, 6vw, 84px);
  background: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-products .cat-crumb-bar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-products .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 13px 0;
  font-size: 13px;
  color: var(--gray);
}
.page-products .crumbs-list li {
  display: inline-flex;
  align-items: center;
}
.page-products .crumbs-list li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-products .crumbs-list a {
  color: var(--gray);
  text-decoration: none;
}
.page-products .crumbs-list a:hover,
.page-products .crumbs-list a:focus-visible {
  color: var(--navy);
}
.page-products .crumbs-list [aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 4.5vw, 60px) 0 clamp(38px, 5.5vw, 72px);
  background: var(--navy);
  color: #fff;
}
.page-products .cat-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(64% 62% at 90% 6%, rgba(143, 220, 216, 0.16), transparent 72%),
    radial-gradient(48% 52% at 4% 102%, rgba(255, 106, 42, 0.14), transparent 70%);
}
.page-products .cat-hero > .shell {
  position: relative;
  z-index: 1;
}
.page-products .cat-hero-grid {
  display: grid;
  gap: 30px;
}
.page-products .cat-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-products .cat-eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.page-products .cat-hero-title {
  margin: 0 0 18px;
  font-size: clamp(1.9rem, 4.4vw, 3.3rem);
  font-weight: 200;
  line-height: 1.14;
  letter-spacing: -0.015em;
}
.page-products .cat-hero-title strong {
  font-weight: 700;
  color: #fff;
}
.page-products .cat-hero-lede {
  max-width: 48ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}
.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-products .cat-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.page-products .cat-hero-stats div {
  min-width: 0;
}
.page-products .cat-hero-stats dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-products .cat-hero-stats dd {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}
.page-products .cat-hero-stats dd span {
  margin-left: 3px;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
}
.page-products .cat-hero-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}
.page-products .cat-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 1px;
}
.page-products .cat-hero-figure figcaption {
  margin-top: 9px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- 通用章节标题组 ---------- */
.page-products .cat-lines-section,
.page-products .cat-download-section,
.page-products .cat-cases,
.page-products .cat-services,
.page-products .cat-apple,
.page-products .cat-cap,
.page-products .cat-outro {
  padding: var(--cat-pad-y) 0;
}
.page-products .cat-sec-head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}
.page-products .cat-sec-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-products .cat-sec-head .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.page-products .cat-sec-head .lede {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 01 产品线索引台 ---------- */
.page-products .cat-lines-section {
  background: var(--paper);
}
.page-products .cat-lines-grid {
  display: grid;
  gap: 24px;
}
.page-products .cat-index {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.page-products .cat-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}
.page-products .cat-index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cat-index-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  font-size: 13.5px;
  color: var(--navy);
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .cat-index-list a:hover,
.page-products .cat-index-list a:focus-visible {
  background: var(--paper);
  border-left-color: var(--orange);
}
.page-products .cat-index-list .n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}
.page-products .cat-tiles {
  display: grid;
  gap: 12px;
}
.page-products .cat-tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--navy);
  text-decoration: none;
  box-shadow: var(--shadow-1);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .cat-tile:hover,
.page-products .cat-tile:focus-visible {
  transform: translateY(-4px);
  border-color: var(--navy-2);
}
.page-products .cat-tile-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-products .cat-tile-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}
.page-products .cat-tile-desc {
  flex: 1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}
.page-products .cat-tile-foot {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--gray);
}
.page-products .cat-tile--lead {
  padding: 24px;
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}
.page-products .cat-tile--lead:hover,
.page-products .cat-tile--lead:focus-visible {
  border-color: var(--orange);
}
.page-products .cat-tile--lead .cat-tile-title {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  color: #fff;
}
.page-products .cat-tile--lead .cat-tile-desc {
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}
.page-products .cat-tile--lead .cat-tile-foot {
  color: var(--cyan);
}

/* ---------- 02 苹果设备登录 ---------- */
.page-products .cat-apple {
  background: var(--navy);
  color: #fff;
}
.page-products .cat-apple .section-title {
  color: #fff;
}
.page-products .cat-apple .lede {
  color: rgba(255, 255, 255, 0.72);
}
.page-products .cat-apple .cat-sec-num {
  color: var(--orange);
}
.page-products .cat-apple-grid {
  display: grid;
  gap: 28px;
}
.page-products .cat-apple-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}
.page-products .cat-apple-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 1px;
}
.page-products .cat-apple-figure figcaption {
  margin-top: 9px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.55);
}
.page-products .cat-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cat-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}
.page-products .cat-step:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-products .cat-step-n {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}
.page-products .cat-step h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}
.page-products .cat-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.72);
}
.page-products .cat-apple-note {
  margin: 28px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 255, 255, 0.05);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}
.page-products .cat-apple-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 03 移动端下载 ---------- */
.page-products .cat-download-section {
  background: var(--paper);
}
.page-products .cat-download-grid {
  display: grid;
  gap: 28px;
}
.page-products .cat-dl-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.page-products .cat-dl-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 1px;
}
.page-products .cat-dl-body {
  min-width: 0;
}
.page-products .cat-dl-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}
.page-products .cat-dl-list li {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}
.page-products .cat-dl-list .k {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--gray);
}
.page-products .cat-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green);
  vertical-align: middle;
}
.page-products .cat-dl-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: #fff;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}
.page-products .cat-dl-note a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 案例合集 ---------- */
.page-products .cat-cases {
  background:
    linear-gradient(180deg, rgba(143, 220, 216, 0.2) 0%, rgba(247, 249, 252, 0) 44%),
    var(--paper);
}
.page-products .cat-case-figure {
  margin: 0 0 22px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-1);
}
.page-products .cat-case-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 1px;
}
.page-products .cat-case-figure figcaption {
  margin-top: 9px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--gray);
}
.page-products .cat-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}
.page-products .cat-tagrow span {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--navy);
}
.page-products .cat-case-grid {
  display: grid;
  gap: 12px;
}
.page-products .cat-case {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .cat-case:hover {
  transform: translateY(-3px);
  border-color: var(--navy-2);
}
.page-products .cat-case-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.page-products .cat-case-industry {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}
.page-products .cat-case-n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--gray);
}
.page-products .cat-case p {
  flex: 1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}
.page-products .cat-case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .cat-case-tags span {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--navy-2);
}
.page-products .cat-case-foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}
.page-products .cat-case-foot a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 05 服务清单 ---------- */
.page-products .cat-services {
  background: #fff;
}
.page-products .cat-flow-figure {
  margin: 0 0 24px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.page-products .cat-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 1px;
}
.page-products .cat-flow-figure figcaption {
  margin-top: 9px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--gray);
}
.page-products .cat-step-groups {
  display: grid;
  gap: 12px;
}
.page-products .cat-step-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.page-products .cat-step-group[open] {
  border-color: var(--navy-2);
  background: #fff;
}
.page-products .cat-step-group > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
}
.page-products .cat-step-group > summary::-webkit-details-marker {
  display: none;
}
.page-products .cat-step-group > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 400;
  color: var(--orange);
}
.page-products .cat-step-group[open] > summary::after {
  content: "–";
}
.page-products .cat-step-group > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}
.page-products .cat-step-range {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--gray);
}
.page-products .cat-step-body {
  padding: 0 18px 18px;
}
.page-products .cat-step-body ol {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cat-step-body li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--gray);
}
.page-products .cat-step-body li:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-products .cat-step-body .n {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

/* ---------- 06 版本能力 ---------- */
.page-products .cat-cap {
  background: var(--navy-2);
  color: #fff;
}
.page-products .cat-cap .section-title {
  color: #fff;
}
.page-products .cat-cap .lede {
  color: rgba(255, 255, 255, 0.74);
}
.page-products .cat-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
}
.page-products .cat-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .cat-table thead th {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-align: left;
  color: var(--cyan);
}
.page-products .cat-table tbody td {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13.5px;
  line-height: 1.72;
  vertical-align: top;
  color: rgba(255, 255, 255, 0.78);
}
.page-products .cat-table tbody td:first-child {
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

/* ---------- 收尾 ---------- */
.page-products .cat-outro {
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.page-products .cat-outro-grid {
  display: grid;
  gap: 22px;
}
.page-products .cat-outro .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}
.page-products .cat-outro .lede {
  max-width: 60ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}
.page-products .cat-outro-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cat-outro-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-products .cat-outro-links a::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.page-products .cat-outro-links a:hover,
.page-products .cat-outro-links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-products .cat-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .cat-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .cat-dl-list li {
    grid-template-columns: 116px minmax(0, 1fr);
  }
}

@media (min-width: 700px) {
  .page-products .cat-tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .cat-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .cat-outro-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 48px;
  }
  .page-products .cat-apple-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
    gap: 44px;
  }
  .page-products .cat-download-grid {
    grid-template-columns: 4fr 7fr;
    align-items: center;
    gap: 44px;
  }
  .page-products .cat-step-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .cat-outro-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
  .page-products .cat-outro-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-lines-grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .page-products .cat-index {
    position: sticky;
    top: 24px;
  }
  .page-products .cat-index-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .cat-case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .cat-tiles {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .cat-tile {
    grid-column: span 2;
  }
  .page-products .cat-tile--lead {
    grid-column: span 4;
    grid-row: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-tile,
  .page-products .cat-case,
  .page-products .cat-index-list a,
  .page-products .cat-step-group {
    transition: none;
  }
  .page-products .cat-tile:hover,
  .page-products .cat-tile:focus-visible,
  .page-products .cat-case:hover {
    transform: none;
  }
}