.page-products {
  --dl-gap: clamp(20px, 3.2vw, 40px);
  --dl-cell: clamp(18px, 2.6vw, 28px);
  display: block;
  overflow-x: hidden;
}

/* ---------- 面包屑留白 ---------- */
.page-products .crumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏拼贴 ---------- */
.page-products .dl-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(38px, 6vw, 82px);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  background-position: -1px -1px;
}

.page-products .dl-hero__inner {
  display: grid;
  gap: var(--dl-gap);
  align-items: start;
}

.page-products .dl-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2.6rem, 12vw, 5.6rem);
  line-height: 0.96;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-products .dl-hero__sub {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .dl-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .dl-hero__side {
  display: grid;
  gap: 16px;
}

.page-products .dl-hero__shot {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

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

.page-products .dl-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .dl-hero__facts .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.page-products .dl-hero__facts .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--orange);
}

.page-products .dl-hero__facts .stat--cyan .stat__value {
  color: var(--cyan);
}

.page-products .dl-hero__facts .stat__label {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 区块 ---------- */
.page-products .dl-sec {
  padding: clamp(40px, 6vw, 86px) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-sec--last {
  border-bottom: 0;
}

.page-products .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 4.2vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 750;
  color: var(--text);
  max-width: 24ch;
}

/* ---------- 分段切换 ---------- */
.page-products .segs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3vw, 34px);
  margin-bottom: clamp(22px, 3vw, 34px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .segs__btn {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .segs__btn:hover,
.page-products .segs__btn:focus-visible {
  border-color: var(--cyan-line);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.page-products .segs__btn[aria-selected="true"] {
  border-color: var(--orange-line);
  background: var(--orange-dim);
  color: var(--orange);
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

/* ---------- 工具包面板 ---------- */
.page-products .segs-panel {
  display: grid;
  gap: var(--dl-gap);
  align-items: start;
}

.page-products .segs-panel[hidden] {
  display: none;
}

.page-products .dl-pack__shot {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
}

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

.page-products .dl-pack {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--cyan);
  background: var(--panel);
  padding: var(--dl-cell);
  box-shadow: var(--shadow-hard);
}

.page-products .dl-pack h3 {
  margin: 14px 0 0;
  font-size: clamp(1.2rem, 3.2vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 750;
  color: var(--text);
}

.page-products .dl-pack__desc {
  margin: 14px 0 0;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--text-2);
}

.page-products .dl-spec {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-products .dl-spec li {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--text-2);
}

.page-products .dl-spec li::before {
  content: "▸";
  flex: none;
  color: var(--cyan);
  font-size: 0.76rem;
  line-height: 1.9;
}

.page-products .dl-req__inline {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 三步上手 ---------- */
.page-products .dl-steps {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-strong);
  background: var(--line-strong);
}

.page-products .dl-step {
  background: var(--ink-2);
  padding: var(--dl-cell);
}

.page-products .dl-step:first-child {
  border-top: 3px solid var(--orange);
}

.page-products .dl-step__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .dl-step h3 {
  margin: 12px 0 0;
  font-size: 1.06rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-products .dl-step p {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 适配环境 ---------- */
.page-products .dl-req {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-req__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-req dt {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .dl-req dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 更新记录 ---------- */
.page-products .dl-log {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-log__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-log__date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-products .dl-log__title {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--text-2);
}

.page-products .dl-log__row .tag {
  justify-self: start;
}

/* ---------- 常见疑问 ---------- */
.page-products .dl-faq {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-strong);
}

.page-products .dl-faq details {
  border-bottom: 1px solid var(--line);
}

.page-products .dl-faq summary {
  cursor: pointer;
  padding: 18px 0;
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 650;
  color: var(--text);
  list-style: none;
  position: relative;
  padding-right: 34px;
}

.page-products .dl-faq summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
  transition: transform 0.2s var(--ease);
}

.page-products .dl-faq details[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-products .dl-faq p {
  margin: 0 0 20px;
  max-width: 72ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 结尾行动区 ---------- */
.page-products .dl-cta {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--orange-line);
  background: linear-gradient(142deg, var(--orange-dim), transparent 66%);
  box-shadow: var(--shadow-hard);
}

.page-products .dl-cta h2 {
  margin: 10px 0 0;
  font-size: clamp(1.4rem, 3.8vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 750;
  color: var(--text);
  max-width: 26ch;
}

.page-products .dl-cta__text {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--text-2);
}

.page-products .dl-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .dl-req__row {
    grid-template-columns: minmax(140px, 200px) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-products .dl-log__row {
    grid-template-columns: 116px minmax(0, 1fr) auto;
    gap: 22px;
    align-items: baseline;
  }

  .page-products .dl-log__row .tag {
    justify-self: end;
  }

  .page-products .dl-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .dl-hero {
    padding-bottom: clamp(52px, 6vw, 92px);
  }

  .page-products .dl-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(36px, 5vw, 76px);
  }

  .page-products .segs-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .segs-panel[data-seg-panel="export"] {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-products .dl-pack__shot {
    position: sticky;
    top: calc(var(--head-h) + 26px);
  }

  .page-products .dl-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-products .dl-cta__acts {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .segs__btn,
  .page-products .dl-faq summary::after {
    transition: none;
  }

  .page-products .segs__btn[aria-selected="true"] {
    transform: none;
  }
}