.page-products {
  --prod-gap: clamp(20px, 3vw, 36px);
  --prod-cell: clamp(18px, 2.6vw, 26px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .prod-crumb {
  padding-block: clamp(16px, 3vw, 26px) 0;
}

.page-products .prod-hero {
  padding-block: clamp(22px, 4vw, 46px) clamp(38px, 6vw, 74px);
}

.page-products .prod-hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.13;
  letter-spacing: -0.012em;
  color: var(--warm);
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-products .prod-hero .lede {
  max-width: 62ch;
  color: rgba(244, 241, 233, .82);
}

.page-products .prod-hero-meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 通用章节头 ---------- */
.page-products .prod-sec-head {
  margin-bottom: clamp(20px, 3vw, 34px);
  max-width: 66ch;
}

.page-products .prod-sec-head h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  color: var(--warm);
  margin: 0 0 12px;
}

.page-products .prod-sec-head .lede {
  color: rgba(244, 241, 233, .78);
  margin: 0;
}

.page-products .prod-sec-head--warm h2 {
  color: var(--carbon-ink);
}

.page-products .prod-sec-head--warm .lede--dark,
.page-products .lede--dark {
  color: rgba(35, 40, 42, .78);
}

.page-products .eyebrow--dark {
  color: rgba(35, 40, 42, .58);
}

/* ---------- 四格总览 ---------- */
.page-products .prod-overview {
  border-top: 1px solid var(--line);
}

.page-products .ov-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-products .ov-cell {
  background: var(--carbon);
  padding: var(--prod-cell);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background .26s var(--ease), box-shadow .26s var(--ease);
}

.page-products .ov-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--graphite);
  transition: color .26s var(--ease);
}

.page-products .ov-cell h3 {
  font-family: var(--cond);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--warm);
  margin: 0;
}

.page-products .ov-cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 241, 233, .76);
}

.page-products .ov-who {
  font-size: 13.5px;
  color: var(--graphite);
}

.page-products .ov-foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .ov-foot a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .35);
  padding-bottom: 1px;
}

.page-products .ov-foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 集锦 ---------- */
.page-products .clips-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: center;
}

.page-products .clips-demo,
.page-products .lib-demo,
.page-products .phone,
.page-products .api-demo,
.page-products .ver-figure {
  margin: 0;
}

.page-products .clips-demo img,
.page-products .lib-demo img,
.page-products .phone img,
.page-products .api-demo img,
.page-products .ver-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
  border: 1px solid var(--line-strong);
  object-fit: cover;
  box-shadow: var(--shadow-1);
}

.page-products .clips-demo figcaption,
.page-products .lib-demo figcaption,
.page-products .phone figcaption,
.page-products .api-demo figcaption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--graphite);
}

.page-products .clips-copy h2,
.page-products .lib-copy h2,
.page-products .mobile-copy h2,
.page-products .api-copy h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.2;
  color: var(--warm);
  margin: 12px 0 14px;
}

.page-products .clips-copy > p,
.page-products .lib-copy > p,
.page-products .mobile-copy > p,
.page-products .api-copy > p {
  color: rgba(244, 241, 233, .8);
  line-height: 1.78;
  margin: 0 0 16px;
}

.page-products .clips-note,
.page-products .mobile-note {
  font-size: 14.5px;
  color: var(--graphite);
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.page-products .feat-list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .feat-list li {
  background: transparent;
  padding: 12px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-products .feat-k {
  font-family: var(--cond);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .feat-v {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 241, 233, .85);
}

.page-products .clips-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

.page-products .clips-track-wrap {
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-products .clip-track {
  position: relative;
  height: 44px;
  margin: 16px 0 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, rgba(53, 240, 208, .1), rgba(255, 106, 43, .12));
  border: 1px solid var(--line);
}

.page-products .clip-track::before {
  content: "";
  position: absolute;
  inset: 50% 12px auto 12px;
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  opacity: .55;
  border-radius: 999px;
}

.page-products .clip-node {
  position: absolute;
  top: 50%;
  left: var(--at);
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--carbon);
  border: 2px solid var(--cyan);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .clip-node--hot {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .18);
}

.page-products .clip-node i {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  color: var(--graphite);
  white-space: nowrap;
}

.page-products .clip-track-cap {
  margin: 18px 0 0;
  font-size: 13.5px;
  color: var(--graphite);
}

@media (hover: hover) {
  .page-products .ov-cell:hover {
    background: var(--panel);
    box-shadow: inset 0 0 0 1px rgba(53, 240, 208, .3);
  }

  .page-products .ov-cell:hover .ov-num {
    color: var(--cyan);
  }

  .page-products .clip-node:hover {
    transform: translate(-50%, -50%) scale(1.35);
  }
}

/* ---------- 球队库 ---------- */
.page-products .lib-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .lib-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 18px;
}

.page-products .lib-demo-line {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .78);
  margin: 0 0 18px;
}

.page-products .lib-result {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid rgba(53, 240, 208, .3);
  border-radius: var(--r-card);
  background: rgba(53, 240, 208, .06);
}

.page-products .lib-result .data-num {
  font-size: 26px;
  color: var(--cyan);
}

.page-products .lib-result-unit {
  font-size: 14px;
  color: rgba(244, 241, 233, .82);
}

.page-products .lib-result-sep {
  color: var(--graphite);
}

/* ---------- 移动端 ---------- */
.page-products .mobile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .phone {
  max-width: 300px;
  margin-inline: auto;
}

.page-products .phone img {
  border-radius: 22px;
}

.page-products .mobile-steps {
  list-style: none;
  counter-reset: ms;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .mobile-steps li {
  position: relative;
  padding-left: 42px;
  display: grid;
  gap: 4px;
}

.page-products .mobile-steps li::before {
  counter-increment: ms;
  content: counter(ms, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid rgba(53, 240, 208, .35);
  border-radius: 999px;
  padding: 2px 6px;
}

.page-products .mobile-steps b {
  font-family: var(--cond);
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--warm);
}

.page-products .mobile-steps span {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 233, .74);
}

.page-products .mobile-note {
  margin-top: 20px;
}

/* ---------- 开放接口 ---------- */
.page-products .api-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .feat-list--api li {
  grid-template-columns: 1fr;
}

.page-products .api-sample-label {
  font-size: 14px;
  color: rgba(244, 241, 233, .72);
  margin: 22px 0 10px;
}

.page-products .api-sample {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--r-card) var(--r-card) 0;
  background: var(--carbon);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan);
}

.page-products .api-sample code {
  font-family: inherit;
  white-space: pre;
}

/* ---------- 版本对比 ---------- */
.page-products .ver-list {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-products .ver-row {
  display: grid;
  gap: 10px;
  padding-bottom: clamp(16px, 2.4vw, 24px);
  border-bottom: 1px solid rgba(35, 40, 42, .14);
}

.page-products .ver-k {
  font-family: var(--cond);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--carbon-ink);
  margin: 0;
}

.page-products .ver-meter {
  position: relative;
  padding-top: 14px;
}

.page-products .ver-meter .ver-fill {
  display: block;
  height: 8px;
  border-radius: 999px;
}

.page-products .ver-fill--25 { width: 25%; }
.page-products .ver-fill--30 { width: 30%; }
.page-products .ver-fill--40 { width: 40%; }
.page-products .ver-fill--45 { width: 45%; }
.page-products .ver-fill--100 { width: 100%; }

.page-products .ver-meter--base .ver-fill {
  background: rgba(35, 40, 42, .26);
}

.page-products .ver-meter--up .ver-fill {
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-products .ver-cap {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(35, 40, 42, .7);
}

.page-products .ver-figure {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .ver-figure img {
  border-color: rgba(35, 40, 42, .16);
  box-shadow: 0 4px 14px rgba(11, 43, 38, .12);
}

.page-products .role-picks h3 {
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--carbon-ink);
  margin: 0 0 16px;
}

.page-products .role-acc {
  border: 1px solid rgba(35, 40, 42, .16);
  border-radius: var(--r-card);
  background: rgba(255, 255, 255, .5);
  margin-bottom: 10px;
  overflow: hidden;
}

.page-products .role-acc summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--cond);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--carbon-ink);
}

.page-products .role-acc summary::-webkit-details-marker {
  display: none;
}

.page-products .role-acc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  color: rgba(35, 40, 42, .5);
}

.page-products .role-acc[open] summary::after {
  content: "–";
}

.page-products .role-acc p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(35, 40, 42, .82);
}

.page-products .role-tag {
  font-size: 11.5px;
}

/* ---------- 上手流程 ---------- */
.page-products .start-steps {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-products .start-steps li {
  background: var(--carbon);
  padding: var(--prod-cell);
}

.page-products .step-i {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .start-steps h3 {
  font-family: var(--cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--warm);
  margin: 0 0 8px;
}

.page-products .start-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 241, 233, .74);
}

.page-products .start-foot {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 3vw, 26px);
}

.page-products .start-foot > p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .74);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .ov-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .start-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .feat-list li {
    grid-template-columns: minmax(0, 9.5rem) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-products .ver-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .ov-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .clips-grid {
    grid-template-columns: 1.12fr 1fr;
  }

  .page-products .lib-grid {
    grid-template-columns: 1fr 1.18fr;
  }

  .page-products .api-grid {
    grid-template-columns: 1fr 0.92fr;
  }

  .page-products .mobile-grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-products .phone {
    margin-inline: 0;
  }

  .page-products .start-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .ver-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr) minmax(0, 2fr);
    align-items: start;
    gap: clamp(14px, 2vw, 28px);
  }

  .page-products .ver-k {
    padding-top: 14px;
  }
}

@media (min-width: 1080px) {
  .page-products .lib-grid {
    grid-template-columns: 1fr 1.3fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ov-cell,
  .page-products .ov-num,
  .page-products .clip-node {
    transition: none;
  }
}

.page-products {
  --at: inherit;
}