.page-products {
  --svc-shadow: 0 18px 48px rgba(3, 12, 20, .38);
  background: var(--ink);
  color: var(--porcelain);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-products .breadcrumb__sep {
  color: var(--line);
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-products .svc-hero-wrap {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(47, 227, 208, .18), transparent 58%),
    radial-gradient(90% 70% at 0% 120%, rgba(255, 182, 92, .12), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 40px;
}

.page-products .svc-hero {
  display: grid;
  gap: 18px;
  padding-top: 28px;
}

.page-products .svc-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 9vw, 72px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--porcelain);
}

.page-products .svc-hero__mark {
  color: var(--cyan);
  display: inline-block;
}

.page-products .svc-hero__row {
  display: grid;
  gap: 24px;
}

.page-products .svc-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .svc-hero__jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .svc-hero__jump a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--porcelain);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-products .svc-hero__jump a span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .svc-hero__jump a:hover,
.page-products .svc-hero__jump a:focus-visible {
  border-color: var(--cyan);
  background: rgba(47, 227, 208, .09);
}

/* ---------- 通用章节 ---------- */
.page-products .svc-section {
  padding: 52px 0;
}

.page-products .svc-section__head {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .svc-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 5.2vw, 38px);
  line-height: 1.14;
  letter-spacing: -.015em;
}

.page-products .svc-section__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .svc-figure {
  margin: 24px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

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

.page-products .svc-figure__cap {
  padding: 14px 20px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--silver);
}

/* ---------- 模块拼贴 ---------- */
.page-products .svc-collage {
  display: grid;
  gap: 16px;
}

.page-products .svc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-products .svc-card--a {
  background: linear-gradient(155deg, var(--band), var(--panel) 72%);
}

.page-products .svc-card--b {
  background: linear-gradient(200deg, rgba(47, 227, 208, .14), var(--panel) 62%);
}

.page-products .svc-card--c {
  background: linear-gradient(180deg, var(--panel), rgba(12, 42, 62, .8));
}

.page-products .svc-card--d {
  background: linear-gradient(140deg, rgba(255, 182, 92, .16), var(--panel) 58%);
}

.page-products .svc-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--porcelain);
}

.page-products .svc-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .svc-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, .42);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-products .svc-card__link:hover,
.page-products .svc-card__link:focus-visible {
  color: var(--porcelain);
  border-color: var(--porcelain);
}

.page-products .mono-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

/* ---------- 四步指引 ---------- */
.page-products .svc-steps__list {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .svc-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-products .svc-step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-products .svc-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--porcelain);
}

.page-products .svc-step__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .svc-step__body .svc-step__result {
  display: inline-block;
  margin: 0;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  background: rgba(47, 227, 208, .12);
  border: 1px solid rgba(47, 227, 208, .34);
  color: var(--cyan);
  font-size: 12.5px;
  line-height: 1.7;
}

.page-products .svc-step__split {
  display: grid;
  gap: 16px;
}

.page-products .svc-step__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* ---------- 设备与会话规则（浅色段） ---------- */
.page-products .svc-rules {
  background: var(--porcelain);
  color: var(--ink);
}

.page-products .svc-rules .eyebrow {
  color: var(--band);
}

.page-products .svc-rules .svc-section__title {
  color: var(--ink);
}

.page-products .svc-rules p {
  color: var(--band);
}

.page-products .svc-rules__grid {
  display: grid;
  gap: 24px;
}

.page-products .svc-rules__intro {
  display: grid;
  gap: 12px;
}

.page-products .svc-rules__intro p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
}

.page-products .svc-pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

.page-products .svc-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  background: rgba(6, 24, 38, .05);
  border: 1px solid rgba(6, 24, 38, .13);
  max-width: 100%;
}

.page-products .svc-pill__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--band);
  opacity: .82;
}

.page-products .svc-pill__v {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .svc-pill--amber {
  background: rgba(255, 182, 92, .26);
  border-color: rgba(196, 122, 24, .45);
}

.page-products .svc-rules__note {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 182, 92, .14);
  font-size: 13.5px;
  line-height: 1.8;
}

.page-products .svc-rules .svc-figure {
  background: rgba(6, 24, 38, .06);
}

.page-products .svc-rules .svc-figure__cap {
  color: var(--band);
}

/* ---------- 继续查阅资料 ---------- */
.page-products .svc-resume__grid {
  display: grid;
  gap: 24px;
}

.page-products .svc-resume__body {
  display: grid;
  gap: 12px;
}

.page-products .svc-path {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: svcpath;
}

.page-products .svc-path li {
  position: relative;
  counter-increment: svcpath;
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .svc-path li::before {
  content: counter(svcpath, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-products .svc-path strong {
  color: var(--porcelain);
  font-weight: 600;
}

/* ---------- 常见卡点 ---------- */
.page-products .svc-faq {
  display: grid;
  gap: 12px;
}

.page-products .svc-faq__item {
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  transition: background-color .18s var(--ease);
}

.page-products .svc-faq__item[open] {
  background: var(--band);
}

.page-products .svc-faq__item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--porcelain);
}

.page-products .svc-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .svc-faq__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-products .svc-faq__item[open] summary::after {
  content: "−";
}

.page-products .svc-faq__item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-products .svc-faq__body {
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .svc-faq__body p {
  margin: 0 0 10px;
}

.page-products .svc-faq__body p:last-child {
  margin-bottom: 0;
}

.page-products .svc-faq__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, .45);
}

.page-products .svc-faq__body a:hover,
.page-products .svc-faq__body a:focus-visible {
  color: var(--porcelain);
  border-color: var(--porcelain);
}

/* ---------- 人工协助 ---------- */
.page-products .svc-help__panel {
  display: grid;
  gap: 16px;
  padding: 28px 22px;
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(47, 227, 208, .17), rgba(12, 42, 62, .94) 52%, var(--panel));
  border: 1px solid rgba(47, 227, 208, .26);
  box-shadow: var(--svc-shadow);
}

.page-products .svc-help__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .svc-help__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .svc-help__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--porcelain);
}

.page-products .svc-help__facts li > span:first-child {
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .svc-help__facts em {
  display: block;
  width: 100%;
  font-style: normal;
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .svc-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .svc-hero {
    gap: 22px;
    padding-top: 36px;
  }

  .page-products .svc-hero__row {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .svc-hero__lead {
    font-size: 16px;
  }

  .page-products .svc-section {
    padding: 60px 0;
  }

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

  .page-products .svc-card--a,
  .page-products .svc-card--d {
    grid-column: span 2;
  }

  .page-products .svc-figure--collage img {
    aspect-ratio: 21 / 9;
  }

  .page-products .svc-step {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 24px;
    padding: 28px 0;
  }

  .page-products .svc-step__num {
    font-size: 48px;
  }

  .page-products .svc-step__body h3 {
    font-size: 20px;
  }

  .page-products .svc-step__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 24px;
    align-items: start;
  }

  .page-products .svc-help__panel {
    padding: 36px 32px;
  }
}

@media (min-width: 1024px) {
  .page-products .svc-hero {
    padding-top: 44px;
  }

  .page-products .svc-hero__lead {
    font-size: 17px;
  }

  .page-products .svc-collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .svc-card--a {
    grid-column: span 7;
  }

  .page-products .svc-card--b {
    grid-column: span 5;
  }

  .page-products .svc-card--c {
    grid-column: span 5;
  }

  .page-products .svc-card--d {
    grid-column: span 7;
  }

  .page-products .svc-card {
    padding: 28px;
  }

  .page-products .svc-rules__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .svc-resume__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .svc-figure--resume {
    margin-top: 0;
  }

  .page-products .svc-faq {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1280px) {
  .page-products .svc-steps__list {
    position: relative;
  }

  .page-products .svc-steps__list::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 45px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line) 10%, var(--line) 90%, transparent);
  }

  .page-products .svc-step__num {
    position: relative;
    background: var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-hero__jump a,
  .page-products .svc-card__link,
  .page-products .svc-faq__item {
    transition: none;
  }
}