.page-products {
  background-color: var(--steel);
  background-image:
    linear-gradient(rgba(215, 225, 234, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 225, 234, .035) 1px, transparent 1px);
  background-size: 84px 84px, 84px 84px;
  color: var(--fg);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .ad-hero {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(760px 420px at 88% 0%, rgba(255, 106, 42, .17), transparent 64%),
    radial-gradient(560px 400px at 2% 100%, rgba(91, 192, 235, .12), transparent 66%),
    linear-gradient(180deg, var(--steel-deep) 0%, rgba(11, 31, 51, .35) 100%);
  border-bottom: 1px solid var(--hair);
}

.page-products .ad-crumbs {
  padding-bottom: clamp(1.5rem, 3vw, 2.4rem);
}

.page-products .ad-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-products .ad-hero__lead {
  min-width: 0;
}

.page-products .ad-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -.022em;
  color: var(--paper);
  margin: .55rem 0 0;
  max-width: 18ch;
}

.page-products .ad-hero__intro {
  margin: 1.15rem 0 0;
  max-width: 48ch;
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .ad-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-products .ad-hero__facts {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem .75rem;
}

.page-products .ad-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 600;
  color: var(--signal);
  line-height: 1.1;
}

.page-products .ad-fact__label {
  display: block;
  margin-top: .3rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-products .ad-hero__media {
  margin: 0;
  min-width: 0;
}

/* ---------- 通用区块 ---------- */
.page-products .ad-block {
  position: relative;
  padding: clamp(2.75rem, 6.5vw, 5rem) 0;
}

.page-products .ad-block + .ad-block {
  border-top: 1px solid var(--hair);
}

.page-products .section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.page-products .section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: .4rem 0 0;
}

.page-products .section__note {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--muted);
  margin: 0;
}

/* ---------- 服务索引墙 ---------- */
.page-products .ad-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .ad-index__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.5rem 1.35rem 1.6rem;
  background: linear-gradient(158deg, rgba(18, 58, 90, .88), rgba(7, 21, 34, .96));
  transition: background .35s var(--ease);
}

.page-products .ad-index__item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .4s var(--ease);
}

.page-products .ad-index__item:hover::after,
.page-products .ad-index__item:focus-within::after {
  transform: scaleX(1);
}

.page-products .ad-index__no {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--signal);
}

.page-products .ad-index__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--paper);
  margin: 0;
}

.page-products .ad-index__desc {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .ad-index__item .tag {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 产品线 ---------- */
.page-products .ad-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
}

.page-products .ad-line {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.1rem 1.1rem 1.35rem;
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(18, 58, 90, .72), rgba(7, 21, 34, .92));
  box-shadow: var(--shadow-panel);
}

.page-products .ad-line__preview {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 14px;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(11, 31, 51, .95), rgba(5, 10, 15, .98));
  overflow: hidden;
}

.page-products .ad-line__preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(215, 225, 234, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 225, 234, .07) 1px, transparent 1px);
  background-size: 18px 18px, 18px 18px;
  pointer-events: none;
}

.page-products .ad-line__preview span {
  display: block;
  height: 6px;
  border-radius: 3px;
  background: rgba(215, 225, 234, .24);
}

.page-products .ad-line__preview span:nth-child(1) {
  width: 62%;
  background: var(--signal);
}

.page-products .ad-line__preview span:nth-child(2) {
  width: 88%;
}

.page-products .ad-line__preview span:nth-child(3) {
  width: 46%;
}

.page-products .ad-line--mobile .ad-line__preview {
  aspect-ratio: 3 / 4;
  max-width: 132px;
}

.page-products .ad-line--mobile .ad-line__preview span {
  height: 8px;
}

.page-products .ad-line--desk .ad-line__preview {
  aspect-ratio: 16 / 10;
}

.page-products .ad-line--wall .ad-line__preview {
  aspect-ratio: 21 / 9;
  gap: 5px;
}

.page-products .ad-line--portrait .ad-line__preview {
  aspect-ratio: 1 / 2;
  max-width: 88px;
  gap: 9px;
}

.page-products .ad-line__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--paper);
  margin: .35rem 0 0;
}

.page-products .ad-line__scene {
  margin: 0;
  font-size: .87rem;
  line-height: 1.65;
  color: var(--link);
}

.page-products .ad-line__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-products .ad-line__list li {
  position: relative;
  padding-left: 1rem;
  font-size: .87rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .ad-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 1px;
  background: var(--signal);
}

/* ---------- 适配清单 ---------- */
.page-products .ad-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.5rem;
}

.page-products .ad-chips__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--muted);
  margin-right: .3rem;
}

.page-products .ad-chips .tag {
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-products .ad-chips .tag:hover {
  transform: translateY(-1px);
  border-color: var(--signal);
}

.page-products .ad-adapt__media {
  margin: 0 0 1.75rem;
}

.page-products .ad-adapt__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-products .ad-adapt__tablewrap {
  min-width: 0;
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  background: rgba(7, 21, 34, .6);
  overflow: hidden;
}

.page-products .ad-spec {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}

.page-products .ad-spec__caption {
  padding: 1rem 1.15rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .13em;
  color: var(--muted);
  border-bottom: 1px solid var(--hair);
}

.page-products .ad-spec th,
.page-products .ad-spec td {
  text-align: left;
  padding: .95rem 1.15rem;
  border-bottom: 1px solid var(--hair);
  vertical-align: top;
  line-height: 1.55;
}

.page-products .ad-spec thead th {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  font-weight: 500;
  color: var(--muted);
  background: rgba(18, 58, 90, .45);
}

.page-products .ad-spec tbody th {
  font-weight: 700;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .01em;
}

.page-products .ad-spec tbody td {
  color: var(--muted);
}

.page-products .ad-spec tbody tr:last-child th,
.page-products .ad-spec tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .ad-spec tbody tr:target {
  background: rgba(255, 106, 42, .1);
}

.page-products .ad-checks {
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem 1.5rem;
  background: linear-gradient(160deg, rgba(18, 58, 90, .65), rgba(7, 21, 34, .9));
}

.page-products .ad-checks__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 1rem;
}

.page-products .ad-checks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .95rem;
}

.page-products .ad-checks__list li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: .75rem;
}

.page-products .ad-checks__list strong {
  display: block;
  font-size: .92rem;
  font-weight: 600;
  color: var(--silver);
}

.page-products .ad-checks__list p {
  margin: .22rem 0 0;
  font-size: .84rem;
  line-height: 1.62;
  color: var(--muted);
}

.page-products .ad-dot {
  display: block;
  width: 8px;
  height: 8px;
  margin-top: .42rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(46, 212, 122, .16);
}

/* ---------- 终端节奏 ---------- */
.page-products .ad-rhythm__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.page-products .ad-rhythm__media {
  margin: 0;
}

.page-products .ad-rhythm__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
}

.page-products .ad-ry {
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  padding: 1rem 1.05rem 1.15rem;
  background: rgba(18, 58, 90, .42);
}

.page-products .ad-ry__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  padding-bottom: .6rem;
  border-bottom: 1px dashed var(--hair-strong);
}

.page-products .ad-ry__head h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
}

.page-products .ad-ry__dist {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--link);
}

.page-products .ad-ry__list {
  list-style: none;
  margin: .75rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-products .ad-ry__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  font-size: .84rem;
}

.page-products .ad-ry__list span {
  color: var(--muted);
}

.page-products .ad-ry__list strong {
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 600;
  color: var(--silver);
  white-space: nowrap;
}

/* ---------- 版本修订 ---------- */
.page-products .ad-version__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.page-products .ad-updates {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .ad-updates > li {
  position: relative;
  padding: 1rem 1.1rem 1.15rem 1.4rem;
  border-left: 2px solid var(--hair-strong);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(18, 58, 90, .6), rgba(18, 58, 90, 0));
}

.page-products .ad-updates > li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.4rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, .18);
}

.page-products .ad-updates__rev {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--signal);
}

.page-products .ad-updates h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--paper);
  margin: .35rem 0 .3rem;
}

.page-products .ad-updates p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .ad-version__media {
  margin: 0;
}

/* ---------- 接入流程 ---------- */
.page-products .ad-flow {
  counter-reset: flow;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
}

.page-products .ad-flow__step {
  position: relative;
  padding: 1.15rem 1.1rem 1.3rem;
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  background: linear-gradient(170deg, rgba(18, 58, 90, .55), rgba(7, 21, 34, .88));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-products .ad-flow__step:hover {
  border-color: rgba(255, 106, 42, .5);
  transform: translateY(-2px);
}

.page-products .ad-flow__step::before {
  counter-increment: flow;
  content: "0" counter(flow);
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(91, 192, 235, .55);
  margin-bottom: .55rem;
}

.page-products .ad-flow__step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 .4rem;
}

.page-products .ad-flow__step p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.68;
  color: var(--muted);
}

.page-products .ad-onboard__media {
  margin: 1.75rem 0 0;
}

/* ---------- 服务结果 ---------- */
.page-products .ad-outcome__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.page-products .ad-outcome__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .ad-stat {
  padding: 1.35rem 1.15rem 1.45rem;
  background: linear-gradient(160deg, rgba(18, 58, 90, .78), rgba(7, 21, 34, .94));
}

.page-products .ad-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.05;
  color: var(--paper);
}

.page-products .ad-stat__label {
  display: block;
  margin-top: .4rem;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .ad-outcome__note p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .ad-outcome__links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.5rem;
  margin-top: 1.35rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ad-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 900px) {
  .page-products .ad-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

  .page-products .ad-adapt__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
  }

  .page-products .ad-version__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

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

@media (min-width: 1024px) {
  .page-products .ad-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ad-rhythm__layout {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.15fr);
  }

  .page-products .ad-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .8rem;
  }
}

@media (min-width: 1180px) {
  .page-products .ad-lines {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .page-products .ad-spec,
  .page-products .ad-spec tbody,
  .page-products .ad-spec tr,
  .page-products .ad-spec th,
  .page-products .ad-spec td {
    display: block;
    width: 100%;
  }

  .page-products .ad-spec thead {
    display: none;
  }

  .page-products .ad-spec__caption {
    border-bottom: 1px solid var(--hair);
  }

  .page-products .ad-spec tbody tr {
    padding: .85rem 1.1rem 1rem;
    border-bottom: 1px solid var(--hair);
  }

  .page-products .ad-spec tbody tr:last-child {
    border-bottom: 0;
  }

  .page-products .ad-spec tbody th,
  .page-products .ad-spec tbody td {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: .3rem 0;
    border: 0;
    font-size: .88rem;
  }

  .page-products .ad-spec tbody th {
    font-size: 1.05rem;
    padding-bottom: .5rem;
  }

  .page-products .ad-spec tbody td::before {
    content: attr(data-label);
    flex: 0 0 auto;
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .1em;
    color: var(--muted);
  }

  .page-products .ad-spec tbody td:last-child {
    justify-content: flex-start;
    padding-top: .55rem;
  }

  .page-products .ad-spec tbody td:last-child::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ad-index__item::after,
  .page-products .ad-flow__step,
  .page-products .ad-chips .tag {
    transition: none;
  }

  .page-products .ad-flow__step:hover,
  .page-products .ad-chips .tag:hover {
    transform: none;
  }
}