.page-products {
  --pp-gap: clamp(1rem, 2.4vw, 1.75rem);
  --pp-rule: rgba(124, 135, 146, 0.30);
  --pp-rule-strong: rgba(124, 135, 146, 0.58);
  --pp-rule-ink: rgba(31, 36, 41, 0.16);
  overflow-x: clip;
  color: var(--txt);
}

.page-products .section {
  scroll-margin-top: 1.25rem;
}

.page-products .pr-crumbs {
  padding-top: clamp(0.9rem, 2vw, 1.4rem);
}

/* ---------- 首屏双窗 ---------- */

.page-products .pr-hero {
  padding-block: clamp(1rem, 2.4vw, 1.75rem) clamp(2rem, 4.5vw, 3.5rem);
}

.page-products .pr-duo {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--pp-rule-strong);
  background: var(--bg-deep);
  box-shadow: var(--shadow);
}

.page-products .pr-duo::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500) 0%, var(--orange-500) 58%, var(--moss-600) 100%);
  z-index: 1;
}

.page-products .pr-win {
  position: relative;
  min-width: 0;
  padding: clamp(1.2rem, 3.2vw, 2.4rem);
}

.page-products .pr-win--main {
  border-bottom: 1px solid var(--pp-rule-strong);
}

.page-products .pr-win--side {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(20, 86, 143, 0.28), transparent 62%),
    var(--bg-deep);
}

.page-products .pr-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.32rem 0.62rem;
  border: 1px solid rgba(30, 127, 196, 0.55);
  border-radius: var(--radius);
  background: rgba(30, 127, 196, 0.12);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--blue-300);
}

.page-products .pr-kicker__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 3px rgba(46, 158, 99, 0.18);
}

.page-products .pr-h1 {
  margin: 1rem 0 0;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white-050);
}

.page-products .pr-lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.5vw, 1.0625rem);
  line-height: 1.78;
  color: var(--txt-dim);
}

.page-products .pr-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-products .pr-cta .btn--primary {
  box-shadow: inset 0 0 0 2px var(--blue-700);
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-products .pr-cta .btn--primary:hover,
.page-products .pr-cta .btn--primary:focus-visible {
  box-shadow: inset 0 0 0 2px var(--green-500);
  transform: translateY(-2px);
}

.page-products .pr-pack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: 1.75rem 0 0;
  padding: 0;
  border: 1px solid var(--pp-rule);
  background: var(--pp-rule);
}

.page-products .pr-pack__item {
  min-width: 0;
  padding: 0.8rem 0.95rem;
  background: var(--panel);
}

.page-products .pr-pack dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-400);
}

.page-products .pr-pack dd {
  margin: 0.32rem 0 0;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--white-050);
  overflow-wrap: anywhere;
}

.page-products .pr-shot {
  margin: 1.75rem 0 0;
  border: 1px solid var(--pp-rule);
  background: var(--bg-deep);
  overflow: hidden;
}

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

.page-products .pr-shot figcaption {
  padding: 0.6rem 0.9rem;
  border-top: 1px solid var(--pp-rule);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-400);
}

.page-products .pr-win__title {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white-050);
}

.page-products .pr-win__sub {
  margin: 0.55rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-products .pr-fee {
  display: grid;
  gap: 1px;
  margin-top: 1.2rem;
  border: 1px solid var(--pp-rule);
  background: var(--pp-rule);
}

.page-products .pr-fee__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.72rem 0.9rem;
  background: var(--bg-deep);
}

.page-products .pr-fee__name {
  min-width: 0;
  font-size: 0.9rem;
  color: var(--txt-dim);
}

.page-products .pr-fee__unit {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
}

.page-products .pr-win__note {
  margin: 1.1rem 0 0;
  padding: 0.7rem 0.85rem;
  border-left: 2px solid var(--orange-500);
  background: rgba(240, 120, 24, 0.09);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--txt);
}

.page-products .pr-win__note--soft {
  margin-top: 0.6rem;
  border-left-color: var(--blue-500);
  background: rgba(30, 127, 196, 0.09);
  color: var(--txt-dim);
}

/* ---------- 章节头 ---------- */

.page-products .pr-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.85rem, 2.4vw, 2rem);
  align-items: start;
  padding-bottom: 1.1rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .pr-num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.2vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--blue-500);
}

.page-products .pr-h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--white-050);
}

.page-products .pr-desc {
  margin: 0.6rem 0 0;
  max-width: 64ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--txt-dim);
}

.page-products .pr-note {
  margin: 1.3rem 0 0;
  padding: 0.75rem 0.95rem;
  border-left: 2px solid var(--blue-700);
  background: rgba(20, 86, 143, 0.10);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--on-sand);
}

.page-products .pr-tip {
  margin: 1.3rem 0 0;
  padding: 0.8rem 1rem;
  border: 1px dashed rgba(180, 101, 58, 0.55);
  border-radius: var(--radius);
  background: rgba(251, 215, 180, 0.45);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--on-sand);
}

/* ---------- 01 三类视图 ---------- */

.page-products .pr-views {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--pp-rule);
  background: var(--pp-rule);
}

.page-products .pr-view {
  min-width: 0;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  background: var(--bg-deep);
}

.page-products .pr-view__tag {
  display: inline-block;
  padding: 0.16rem 0.44rem;
  border: 1px solid var(--clay-500);
  border-radius: var(--radius);
  background: rgba(180, 101, 58, 0.14);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--orange-200);
}

.page-products .pr-view h3 {
  margin: 0.8rem 0 0.45rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white-050);
}

.page-products .pr-view p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--txt-dim);
}

.page-products .pr-view ul {
  display: grid;
  gap: 0.42rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-view li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.88rem;
  line-height: 1.62;
  color: var(--txt-dim);
}

.page-products .pr-view li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 1px;
  background: var(--blue-500);
}

/* ---------- 02 档位对照 ---------- */

.page-products .pr-table-wrap {
  border: 1px solid var(--pp-rule-ink);
}

.page-products .pr-table__cap {
  padding: 0.7rem 0.9rem;
  text-align: left;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--on-sand-dim);
  background: rgba(31, 36, 41, 0.05);
}

.page-products .pr-tiers-table {
  width: 100%;
}

.page-products .pr-tiers-table th,
.page-products .pr-tiers-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--on-sand);
}

.page-products .pr-tiers-table thead th {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .pr-tiers-table tbody th {
  font-weight: 700;
}

.page-products .pr-tier-name {
  display: inline-block;
  padding: 0.12rem 0.42rem;
  border: 1px solid rgba(20, 86, 143, 0.45);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--blue-700);
  background: rgba(30, 127, 196, 0.10);
  white-space: nowrap;
}

.page-products .pr-cell-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--blue-700);
  white-space: nowrap;
}

.page-products .pr-tiers-table tbody tr:hover td,
.page-products .pr-tiers-table tbody tr:hover th {
  background: rgba(240, 120, 24, 0.10);
}

.page-products .pr-tiers .pr-shot {
  border-color: var(--pp-rule-ink);
  background: var(--white-050);
}

.page-products .pr-tiers .pr-shot figcaption {
  border-top-color: var(--pp-rule-ink);
  color: var(--on-sand-dim);
}

/* ---------- 03 场次结算 ---------- */

.page-products .pr-fees {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--pp-rule);
  background: var(--pp-rule);
}

.page-products .pr-fees__row {
  display: grid;
  gap: 0.35rem;
  padding: clamp(1rem, 2.2vw, 1.35rem);
  background: var(--bg-deep);
}

.page-products .pr-fees dt {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-products .pr-fees__name {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--white-050);
}

.page-products .pr-fees__unit {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
}

.page-products .pr-fees dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--txt-dim);
}

.page-products .pr-batch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: end;
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
  padding: clamp(1.1rem, 2.6vw, 1.9rem);
  border: 1px solid var(--pp-rule);
  background:
    linear-gradient(180deg, rgba(30, 127, 196, 0.10), rgba(13, 16, 20, 0)),
    var(--bg-deep);
}

.page-products .pr-batch__text h3 {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 800;
  color: var(--white-050);
}

.page-products .pr-batch__text p {
  margin: 0.6rem 0 0;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-products .pr-ladder {
  display: flex;
  align-items: flex-end;
  gap: clamp(0.6rem, 2.4vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-ladder__col {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
}

.page-products .pr-ladder__bar {
  position: relative;
  display: block;
  width: 100%;
  margin-bottom: 0.55rem;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--orange-500), var(--clay-500));
}

.page-products .pr-ladder__bar::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: repeating-linear-gradient(90deg, rgba(250, 251, 252, 0.55) 0 1px, transparent 1px 4px);
}

.page-products .pr-ladder__bar--1 {
  height: 146px;
}

.page-products .pr-ladder__bar--2 {
  height: 102px;
  background: linear-gradient(180deg, var(--blue-500), var(--blue-700));
}

.page-products .pr-ladder__bar--3 {
  height: 66px;
  background: linear-gradient(180deg, var(--moss-600), #3E5533);
}

.page-products .pr-ladder__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-400);
  overflow-wrap: anywhere;
}

/* ---------- 04 安装步骤 ---------- */

.page-products .pr-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pp-rule-ink);
  background: var(--pp-rule-ink);
}

.page-products .pr-steps li {
  min-width: 0;
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  background: var(--white-050);
}

.page-products .pr-steps__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--blue-700);
}

.page-products .pr-steps h3 {
  margin: 0.7rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--on-sand);
}

.page-products .pr-steps p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--on-sand-dim);
}

.page-products .pr-install .pr-shot {
  border-color: var(--pp-rule-ink);
  background: var(--white-050);
}

.page-products .pr-install .pr-shot figcaption {
  border-top-color: var(--pp-rule-ink);
  color: var(--on-sand-dim);
}

/* ---------- 05 导出与接口 ---------- */

.page-products .pr-export__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--pp-rule);
  background: var(--pp-rule);
}

.page-products .pr-export__item {
  min-width: 0;
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  background: var(--bg-deep);
}

.page-products .pr-export__item h3 {
  position: relative;
  margin: 0;
  padding-left: 0.85rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--white-050);
}

.page-products .pr-export__item h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 2px;
  background: var(--orange-500);
}

.page-products .pr-export__item p {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--txt-dim);
}

/* ---------- 06 计费问答 ---------- */

.page-products .pr-faq {
  display: grid;
  gap: 0.75rem;
}

.page-products .pr-faq__item {
  border: 1px solid var(--pp-rule-ink);
  border-left: 3px solid var(--blue-700);
  background: var(--white-050);
}

.page-products .pr-faq__item[open] {
  border-left-color: var(--orange-500);
}

.page-products .pr-faq__item summary {
  position: relative;
  padding: 0.9rem 2.6rem 0.9rem 1rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--on-sand);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pr-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--blue-700);
}

.page-products .pr-faq__item[open] summary::after {
  content: "–";
  color: var(--orange-500);
}

.page-products .pr-faq__item p {
  margin: 0;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--pp-rule-ink);
  padding-top: 0.85rem;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--on-sand-dim);
}

/* ---------- 收束 ---------- */

.page-products .pr-next {
  padding-block: clamp(2rem, 4.5vw, 3.5rem);
}

.page-products .pr-next__title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white-050);
}

.page-products .pr-next__list a {
  color: var(--blue-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 192, 228, 0.35);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-products .pr-next__list a:hover,
.page-products .pr-next__list a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .pr-views {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .pr-fees__row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr);
    align-items: baseline;
    gap: clamp(0.9rem, 2.4vw, 2rem);
  }

  .page-products .pr-fees dt {
    display: block;
  }

  .page-products .pr-fees__unit {
    display: block;
    margin-top: 0.35rem;
  }
}

@media (min-width: 980px) {
  .page-products .pr-duo {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  }

  .page-products .pr-win--main {
    border-bottom: 0;
  }

  .page-products .pr-win--main::after {
    content: "";
    position: absolute;
    inset: 0 0 0 auto;
    width: 1px;
    background: repeating-linear-gradient(to bottom, var(--pp-rule-strong) 0 5px, transparent 5px 13px);
    pointer-events: none;
  }

  .page-products .pr-win--side {
    border-left: 1px solid var(--pp-rule-strong);
  }

  .page-products .pr-batch {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  }

  .page-products .pr-export__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-faq {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pr-faq__item:first-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-cta .btn--primary {
    transition: none;
  }

  .page-products .pr-cta .btn--primary:hover,
  .page-products .pr-cta .btn--primary:focus-visible {
    transform: none;
  }

  .page-products .pr-next__list a {
    transition: none;
  }
}