.page-products {
  --pd-gap: 22px;
  --pd-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-sans);
  padding-bottom: 56px;
}

.page-products .pd-crumb {
  padding: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 18px 0 44px;
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .pd-hero__lead .ob-h1 {
  margin: 12px 0 16px;
  color: var(--white);
}

.page-products .pd-hero__lead .ob-lede {
  max-width: 40ch;
}

.page-products .pd-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pd-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 12px;
  background: var(--carbon);
}

.page-products .pd-fact__v {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--yellow);
}

.page-products .pd-fact__u {
  font-size: 12px;
  margin-left: 1px;
  color: var(--gold);
}

.page-products .pd-fact__k {
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  color: var(--text-dim);
  line-height: 1.5;
}

.page-products .pd-hero__side {
  display: grid;
  gap: 18px;
}

.page-products .pd-price-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 20px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-price-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 78px;
  height: 3px;
  background: var(--yellow);
}

.page-products .pd-price-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .pd-stamp {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-products .pd-price-card .ob-h3 {
  margin: 14px 0 0;
  color: var(--white);
}

.page-products .pd-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 4px;
}

.page-products .pd-price__num {
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pd-price__unit {
  font-size: var(--fs-sm);
  color: var(--text-mid);
}

.page-products .pd-price__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-price__list li {
  display: flex;
  gap: 10px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--text-mid);
}

.page-products .pd-price__list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--green);
}

.page-products .pd-price__cta {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.page-products .pd-hero__media {
  margin: 0;
}

.page-products .pd-hero__media .ob-media__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--rule);
}

/* ---------- 斜向条纹分隔 ---------- */
.page-products .pd-stripe {
  display: block;
  height: 6px;
  margin: 0;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 8px, transparent 8px 22px);
  opacity: 0.34;
}

/* ---------- 通用区块 ---------- */
.page-products .pd-block {
  padding: 54px 0;
}

.page-products .pd-block--alt {
  background: var(--navy);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-block__head {
  max-width: 68ch;
  margin-bottom: 32px;
}

.page-products .pd-block__head .ob-h2 {
  margin: 10px 0 14px;
  color: var(--white);
}

.page-products .pd-block__lede {
  color: var(--text-mid);
}

.page-products .pd-small-link {
  margin-top: 22px;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 四类能力 ---------- */
.page-products .pd-caps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .pd-cap {
  padding: 22px 20px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-products .pd-cap:hover {
  border-color: var(--yellow);
  background: var(--navy);
}

.page-products .pd-cap__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--yellow);
}

.page-products .pd-cap .ob-h4 {
  margin: 0 0 10px;
  color: var(--white);
}

.page-products .pd-cap .ob-text {
  margin: 0;
  color: var(--text-mid);
  font-size: 16px;
}

.page-products .pd-fold {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}

.page-products .pd-fold__sum {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-sm);
  color: var(--yellow);
  transition: color var(--t-fast);
}

.page-products .pd-fold__sum::-webkit-details-marker {
  display: none;
}

.page-products .pd-fold__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-products .pd-fold[open] .pd-fold__sum::after {
  content: "\2212";
}

.page-products .pd-fold__sum:hover {
  color: var(--gold);
}

.page-products .pd-fold__body {
  padding-top: 10px;
}

.page-products .pd-fold__body .ob-small {
  margin: 0;
  color: var(--text-dim);
}

.page-products .pd-caps__media,
.page-products .pd-bill__media,
.page-products .pd-device__media,
.page-products .pd-scenes__media {
  margin: 32px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--carbon);
}

.page-products .pd-caps__media .ob-media__img,
.page-products .pd-bill__media .ob-media__img,
.page-products .pd-device__media .ob-media__img,
.page-products .pd-scenes__media .ob-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 费用 ---------- */
.page-products .pd-fee {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .pd-fee__amount {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 16px 0 14px;
}

.page-products .pd-fee__num {
  font-family: var(--font-mono);
  font-size: clamp(58px, 13vw, 96px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--yellow);
}

.page-products .pd-fee__unit {
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: var(--text-mid);
}

.page-products .pd-fee__left .ob-text {
  color: var(--mist);
  max-width: 40ch;
}

.page-products .pd-fee__note {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  color: var(--text-mid);
}

.page-products .pd-fee__label {
  margin: 0 0 10px;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pd-fee__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-products .pd-fee__list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pd-fee__list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 11px;
  border-radius: 50%;
  background: var(--yellow);
}

.page-products .pd-fee__foot {
  margin: 16px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--text-mid);
}

/* ---------- 统一账单三步 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  counter-reset: pdstep;
}

.page-products .pd-step {
  position: relative;
  padding: 22px 20px;
  background: var(--carbon);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

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

.page-products .pd-step__n {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
}

.page-products .pd-step .ob-h4 {
  margin: 0 0 8px;
  color: var(--white);
}

.page-products .pd-step .ob-small {
  margin: 0;
  color: var(--text-mid);
}

/* ---------- 桌面端与移动端 ---------- */
.page-products .pd-table__hint {
  margin: 26px 0 8px;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .pd-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.page-products .pd-table__cap {
  padding: 14px 16px;
  text-align: left;
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-table thead th {
  background: var(--navy);
  color: var(--white);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  font-weight: 700;
}

.page-products .pd-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--carbon);
  color: var(--gold);
  font-weight: 700;
  white-space: nowrap;
  border-right: 1px solid var(--rule);
}

.page-products .pd-table tbody td {
  color: var(--mist);
}

.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 场景 ---------- */
.page-products .pd-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .pd-scene {
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--rule);
}

.page-products .pd-scene:nth-child(1) {
  border-left-color: var(--yellow);
}

.page-products .pd-scene:nth-child(2) {
  border-left-color: var(--green);
}

.page-products .pd-scene:nth-child(3) {
  border-left-color: var(--signal);
}

.page-products .pd-scene__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .pd-scene .ob-h4 {
  margin: 0 0 8px;
  color: var(--white);
}

.page-products .pd-scene .ob-small {
  margin: 0;
  color: var(--text-mid);
}

/* ---------- 开通与试用 ---------- */
.page-products .pd-start__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .pd-start__lead .ob-h2 {
  margin: 10px 0 14px;
  color: var(--white);
}

.page-products .pd-start__lead .ob-text {
  max-width: 42ch;
  color: var(--text-mid);
}

.page-products .pd-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 18px;
}

.page-products .pd-start__note {
  color: var(--text-dim);
}

.page-products .pd-start__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.page-products .pd-start__steps li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-start__n {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--green);
}

.page-products .pd-start__steps .ob-h4 {
  margin: 0 0 6px;
  color: var(--white);
}

.page-products .pd-start__steps .ob-small {
  margin: 0;
  color: var(--text-mid);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .pd-block {
    padding: 68px 0;
  }

  .page-products .pd-caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-products .pd-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 24px;
  }

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

@media (min-width: 980px) {
  .page-products {
    --pd-gap: 32px;
  }

  .page-products .pd-hero {
    padding: 26px 0 56px;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-hero__side {
    gap: 22px;
  }

  .page-products .pd-fee {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pd-scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 34px 24px;
  }

  .page-products .pd-scene:nth-child(1) {
    grid-column: 1 / span 5;
  }

  .page-products .pd-scene:nth-child(2) {
    grid-column: 7 / span 6;
  }

  .page-products .pd-scene:nth-child(3) {
    grid-column: 3 / span 6;
  }

  .page-products .pd-block__head {
    margin-bottom: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-cap,
  .page-products .pd-fold__sum {
    transition: none;
  }
}
</main>