/* ===== 服务介绍 / page-products ===== */

.page-products {
  --ph-line: rgba(201, 162, 39, .28);
  --ph-line-soft: rgba(154, 145, 136, .22);
  --ph-panel: rgba(11, 9, 9, .55);
  position: relative;
  padding-bottom: 72px;
  background:
    radial-gradient(130% 55% at 84% 0%, rgba(31, 138, 134, .13), transparent 62%),
    radial-gradient(85% 45% at 2% 94%, rgba(194, 112, 58, .11), transparent 66%);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
}

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

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

/* ---------- 首屏 ---------- */
.page-products .ph-hero {
  padding-top: 20px;
}

.page-products .ph-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .ph-hero__frame {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ph-line);
  background: linear-gradient(155deg, rgba(74, 13, 27, .9) 0%, rgba(11, 9, 9, .94) 58%, rgba(15, 75, 78, .6) 100%);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .95);
}

.page-products .ph-hero__frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  background: linear-gradient(180deg, rgba(11, 9, 9, 0) 42%, rgba(11, 9, 9, .58));
  pointer-events: none;
}

.page-products .ph-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .ph-hero__cap {
  position: absolute;
  left: 22px;
  bottom: 20px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-hi);
}

.page-products .ph-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-products .ph-hero__lead {
  max-width: 46ch;
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(237, 230, 218, .78);
}

.page-products .ph-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--ph-line);
  font-size: 13px;
  color: var(--steel);
}

.page-products .ph-hero__ver {
  font-size: 26px;
  line-height: 1;
  color: var(--gold-hi);
  letter-spacing: .06em;
}

.page-products .ph-hero__metatxt {
  letter-spacing: .04em;
}

/* ---------- 服务总览 ---------- */
.page-products .ph-overview__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.28;
  color: var(--mist);
}

.page-products .ph-overview__intro {
  max-width: 60ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(237, 230, 218, .76);
}

.page-products .ph-overview__rows {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-products .ph-overview__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--ph-line-soft);
}

.page-products .ph-overview__row:last-child {
  border-bottom: 1px solid var(--ph-line-soft);
}

.page-products .ph-overview__no {
  font-size: 18px;
  line-height: 1.4;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-products .ph-overview__task {
  font-size: 16px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .ph-overview__svc {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--teal);
}

.page-products .ph-overview__link {
  grid-column: 2;
  justify-self: start;
  font-size: 14px;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--ph-line);
  padding-bottom: 2px;
}

.page-products .ph-overview__link:hover,
.page-products .ph-overview__link:focus-visible {
  border-bottom-color: var(--gold-hi);
}

/* ---------- 三项服务 ---------- */
.page-products .ph-services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .ph-services__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 4vw, 28px);
  line-height: 1.3;
  color: var(--mist);
}

.page-products .ph-services__desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-products .ph-services__nav {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-products .ph-services__nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  scroll-snap-align: start;
  padding: 9px 14px;
  border: 1px solid var(--ph-line);
  background: rgba(11, 9, 9, .45);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-products .ph-services__nav a .mono {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: .1em;
}

.page-products .ph-services__nav a:hover,
.page-products .ph-services__nav a:focus-visible {
  border-color: var(--line-strong);
  color: var(--gold-hi);
}

.page-products .ph-services__note {
  display: none;
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

/* 服务卡片 */
.page-products .ph-srv {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--ph-line);
  background: linear-gradient(150deg, rgba(74, 13, 27, .5), rgba(11, 9, 9, .74));
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.page-products .ph-srv + .ph-srv {
  margin-top: 24px;
}

.page-products .ph-srv::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 38%, rgba(242, 217, 138, .14) 50%, transparent 62%);
  transform: translateX(-115%);
  transition: transform .75s var(--ease);
  pointer-events: none;
}

.page-products .ph-srv:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 39, .5);
  box-shadow: 0 28px 54px -32px rgba(0, 0, 0, .95);
}

.page-products .ph-srv:hover::after {
  transform: translateX(115%);
}

.page-products .ph-srv__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-products .ph-srv__no {
  font-size: clamp(26px, 5vw, 34px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-products .ph-srv__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--ph-line);
  color: var(--teal);
  flex: none;
}

.page-products .ph-srv__icon svg {
  width: 22px;
  height: 22px;
}

.page-products .ph-srv__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.35;
  color: var(--mist);
}

.page-products .ph-srv__sub {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-hi);
}

.page-products .ph-srv__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

.page-products .ph-srv__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--ph-line);
  background: linear-gradient(150deg, rgba(15, 75, 78, .42), rgba(11, 9, 9, .86));
}

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

.page-products .ph-srv__for {
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.page-products .ph-srv__for strong {
  color: var(--gold-hi);
  font-weight: 600;
}

.page-products .ph-srv__steps {
  list-style: none;
  counter-reset: phstep;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .ph-srv__steps li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(237, 230, 218, .8);
}

.page-products .ph-srv__steps li::before {
  counter-increment: phstep;
  content: counter(phstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .ph-srv__gain {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 2px solid var(--teal);
  background: rgba(31, 138, 134, .1);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .ph-srv__cta {
  display: inline-flex;
  margin-top: 20px;
}

/* ---------- 典型使用场景 ---------- */
.page-products .ph-scenes__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.28;
  color: var(--mist);
}

.page-products .ph-scenes__lead {
  max-width: 58ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(237, 230, 218, .76);
}

.page-products .ph-scenes__figure {
  position: relative;
  margin: 26px 0 0;
  border: 1px solid var(--ph-line);
  overflow: hidden;
}

.page-products .ph-scenes__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 9, 9, .78) 0%, rgba(11, 9, 9, 0) 46%, rgba(74, 13, 27, .5) 100%);
  pointer-events: none;
}

.page-products .ph-scenes__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-products .ph-scenes__track {
  list-style: none;
  display: flex;
  gap: 16px;
  margin: 22px 0 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .ph-scenes__track:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}

.page-products .ph-scenes__item {
  flex: 0 0 82%;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--ph-line);
  background: rgba(11, 9, 9, .58);
}

.page-products .ph-scenes__no {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--teal);
}

.page-products .ph-scenes__name {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.45;
  color: var(--mist);
}

.page-products .ph-scenes__path {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-products .ph-scenes__out {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(237, 230, 218, .74);
}

/* ---------- 服务入口 ---------- */
.page-products .ph-next__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.28;
  color: var(--mist);
}

.page-products .ph-next__lead {
  max-width: 56ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(237, 230, 218, .76);
}

.page-products .ph-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-products .ph-next__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 6px 16px;
  padding: 22px 20px 24px;
  border: 1px solid var(--ph-line);
  background: linear-gradient(160deg, rgba(74, 13, 27, .44), rgba(11, 9, 9, .62));
  color: var(--mist);
  text-decoration: none;
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-products .ph-next__card:hover,
.page-products .ph-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-products .ph-next__tag {
  grid-column: 1;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--teal);
}

.page-products .ph-next__arrow {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold);
  transition: transform .28s var(--ease);
}

.page-products .ph-next__card:hover .ph-next__arrow {
  transform: translateX(4px);
}

.page-products .ph-next__name {
  grid-column: 1;
  margin-top: 4px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  color: var(--mist);
}

.page-products .ph-next__desc {
  grid-column: 1;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(237, 230, 218, .72);
}

.page-products .ph-next__note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--ph-line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.page-products .ph-next__note a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--ph-line);
}

.page-products .ph-next__note a:hover,
.page-products .ph-next__note a:focus-visible {
  border-bottom-color: var(--gold-hi);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .ph-srv__body {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .ph-srv--flip .ph-srv__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  }

  .page-products .ph-srv--flip .ph-srv__figure {
    order: 2;
  }

  .page-products .ph-srv--band .ph-srv__body {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 860px) {
  .page-products .ph-overview__row {
    grid-template-columns: 56px minmax(0, 1fr) 170px 180px;
    gap: 0 24px;
    align-items: center;
    padding: 20px 0;
  }

  .page-products .ph-overview__svc {
    grid-column: 3;
  }

  .page-products .ph-overview__link {
    grid-column: 4;
    justify-self: end;
  }

  .page-products .ph-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .ph-scenes__track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .ph-scenes__item {
    flex: none;
  }
}

@media (min-width: 960px) {
  .page-products {
    padding-bottom: 96px;
  }

  .page-products .ph-hero__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 56px;
    align-items: center;
  }
}

@media (min-width: 1020px) {
  .page-products .ph-services__grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .ph-services__index {
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }

  .page-products .ph-services__nav {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    margin-top: 22px;
  }

  .page-products .ph-services__nav a {
    width: 100%;
    padding: 13px 0;
    border-width: 0 0 1px 0;
    background: none;
  }

  .page-products .ph-services__note {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ph-srv,
  .page-products .ph-srv::after,
  .page-products .ph-next__card,
  .page-products .ph-next__arrow,
  .page-products .ph-services__nav a {
    transition: none;
  }

  .page-products .ph-srv:hover,
  .page-products .ph-next__card:hover,
  .page-products .ph-next__card:focus-visible {
    transform: none;
  }

  .page-products .ph-srv:hover::after {
    transform: translateX(-115%);
  }
}