.page-products {
  --pl-rail-w: 208px;
  --pl-gap: clamp(28px, 4vw, 56px);
  --pl-band: clamp(36px, 6vw, 72px);
  --pl-hair: rgba(11, 22, 34, .12);
  --pl-hair-soft: rgba(11, 22, 34, .07);
  --pl-on-ink: rgba(247, 245, 240, .74);
  --pl-col-b: rgba(36, 64, 92, .05);
  --pl-col-s: rgba(63, 169, 140, .08);
  --pl-col-l: rgba(232, 85, 31, .06);
}

/* ---------- 首屏框景 ---------- */

.page-products .pl-hero {
  padding: clamp(14px, 2.5vw, 24px) 0 clamp(38px, 6vw, 72px);
}

.page-products .pl-hero__frame {
  position: relative;
  padding: clamp(34px, 6vw, 70px) clamp(22px, 4.5vw, 62px) clamp(30px, 4vw, 50px);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(circle at 4% 0%, rgba(232, 85, 31, .16), transparent 52%),
    linear-gradient(rgba(247, 245, 240, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 245, 240, .06) 1px, transparent 1px);
  background-size: auto, 84px 84px, 84px 84px;
  border: 1px solid rgba(247, 245, 240, .14);
  color: var(--paper-100);
  overflow: hidden;
}

.page-products .pl-hero__frame .frame__tick {
  position: absolute;
  width: 15px;
  height: 15px;
  border: 0 solid var(--signal-500);
}

.page-products .pl-hero__frame .frame__tick--tl {
  top: 11px;
  left: 11px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.page-products .pl-hero__frame .frame__tick--tr {
  top: 11px;
  right: 11px;
  border-top-width: 2px;
  border-right-width: 2px;
}

.page-products .pl-hero__frame .frame__tick--bl {
  bottom: 11px;
  left: 11px;
  border-bottom-width: 2px;
  border-left-width: 2px;
}

.page-products .pl-hero__frame .frame__tick--br {
  bottom: 11px;
  right: 11px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.page-products .pl-hero__eyebrow {
  color: var(--signal-500);
}

.page-products .pl-hero__title {
  margin: .3em 0 .45em;
  color: var(--paper-100);
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.08;
}

.page-products .pl-hero__lede {
  max-width: 46em;
  margin: 0;
  color: var(--pl-on-ink);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-products .pl-hero__tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  background: rgba(247, 245, 240, .14);
  border: 1px solid rgba(247, 245, 240, .14);
}

@media (min-width: 680px) {
  .page-products .pl-hero__tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pl-tier-preview {
  display: grid;
  gap: 6px;
  padding: 20px 22px 22px;
  background: var(--ink-900);
}

.page-products .pl-tier-preview__num {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.page-products .pl-tier-preview__num--b { color: rgba(247, 245, 240, .58); }
.page-products .pl-tier-preview__num--s { color: var(--celadon-500); }
.page-products .pl-tier-preview__num--l { color: var(--signal-500); }

.page-products .pl-tier-preview__name {
  color: var(--paper-100);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pl-tier-preview__meta {
  color: rgba(247, 245, 240, .5);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 主体两栏 ---------- */

.page-products .pl-body {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .pl-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pl-gap);
  align-items: start;
}

.page-products .pl-canvas {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-products .pl-body__inner {
    grid-template-columns: var(--pl-rail-w) minmax(0, 1fr);
  }
}

/* ---------- 侧栏索引 ---------- */

.page-products .pl-rail {
  display: none;
}

@media (min-width: 1024px) {
  .page-products .pl-rail {
    display: block;
    position: sticky;
    top: calc(var(--masthead-h) + 28px);
    padding-right: 8px;
  }
}

.page-products .pl-rail__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pl-hair);
  color: var(--stone-500);
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 600;
}

.page-products .pl-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .pl-rail__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px 8px 0;
  border-left: 2px solid transparent;
  color: var(--ink-500);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-products .pl-rail__link:hover,
.page-products .pl-rail__link:focus-visible {
  color: var(--signal-700);
  border-left-color: var(--signal-500);
}

.page-products .pl-rail__link.is-active,
.page-products .pl-rail__link[aria-current] {
  color: var(--signal-700);
  border-left-color: var(--signal-500);
  font-weight: 700;
}

.page-products .pl-rail__num {
  color: var(--signal-500);
  font-size: 11px;
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节骨架 ---------- */

.page-products .pl-sec {
  padding-block: var(--pl-band);
  border-top: 1px solid var(--pl-hair-soft);
  scroll-margin-top: calc(var(--masthead-h) + 24px);
}

.page-products .pl-canvas > .pl-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pl-sec--band {
  padding-inline: clamp(0px, 2.5vw, 32px);
  background: var(--paper-200);
  border-top-color: transparent;
}

.page-products .pl-sec--sand {
  padding-inline: clamp(0px, 2.5vw, 32px);
  background: var(--paper-100);
  border-top-color: transparent;
}

.page-products .pl-sec__head {
  display: grid;
  gap: 10px;
  max-width: 58ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .pl-sec__idx {
  margin: 0;
  color: var(--signal-500);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  font-variant-numeric: tabular-nums;
}

.page-products .pl-sec__head .h-section {
  margin: 0;
}

.page-products .pl-sec__lede {
  margin: 0;
  color: var(--stone-500);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 图片区块 ---------- */

.page-products .pl-figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-products .pl-figure--narrow {
  max-width: 780px;
}

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

/* ---------- 对比矩阵 ---------- */

.page-products .pl-matrix__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pl-hair);
  background: #fff;
}

.page-products .pl-matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pl-matrix__cap {
  padding: 12px 16px;
  text-align: left;
  caption-side: top;
  color: var(--stone-500);
  font-size: 13px;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--pl-hair-soft);
}

.page-products .pl-matrix th,
.page-products .pl-matrix td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pl-hair-soft);
}

.page-products .pl-matrix thead th {
  padding-top: 18px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink-900);
  color: var(--stone-500);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  white-space: nowrap;
}

.page-products .pl-matrix tbody th {
  color: var(--ink-900);
  font-weight: 700;
  white-space: nowrap;
}

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

.page-products .pl-matrix tbody td:nth-child(2) { background: var(--pl-col-b); }
.page-products .pl-matrix tbody td:nth-child(3) { background: var(--pl-col-s); }
.page-products .pl-matrix tbody td:nth-child(4) { background: var(--pl-col-l); }

.page-products .pl-matrix__tier {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-products .pl-matrix__tier--b { color: var(--ink-500); }
.page-products .pl-matrix__tier--s { color: var(--celadon-500); }
.page-products .pl-matrix__tier--l { color: var(--signal-700); }

/* ---------- 逐条明细 ---------- */

.page-products .pl-detail__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pl-detail__item {
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-top: 1px solid var(--pl-hair-soft);
}

.page-products .pl-detail__item:first-child {
  border-top: 2px solid var(--ink-900);
}

.page-products .pl-detail__k {
  margin: 0;
  color: var(--signal-500);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.page-products .pl-detail__t {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.5;
}

.page-products .pl-detail__tiers {
  display: grid;
  gap: 14px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-products .pl-detail__tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .pl-detail__tier {
    padding: 0 20px;
    border-left: 1px solid var(--pl-hair-soft);
  }

  .page-products .pl-detail__tier:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-products .pl-detail__tier:last-child {
    padding-right: 0;
  }
}

.page-products .pl-detail__tier {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-products .pl-detail__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.page-products .pl-detail__tier--b .pl-detail__tag { color: var(--ink-500); }
.page-products .pl-detail__tier--s .pl-detail__tag { color: var(--celadon-500); }
.page-products .pl-detail__tier--l .pl-detail__tag { color: var(--signal-700); }

.page-products .pl-detail__v {
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 计费时间线 ---------- */

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

@media (min-width: 900px) {
  .page-products .pl-tl__nodes {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }
}

.page-products .pl-tl__node {
  min-width: 0;
}

.page-products .pl-node {
  height: 100%;
  border: 1px solid var(--pl-hair);
  border-top: 2px solid var(--signal-500);
  border-radius: var(--radius);
  background: #fff;
}

.page-products .pl-node__sum {
  display: grid;
  gap: 8px;
  padding: 16px 16px 15px;
  cursor: pointer;
  list-style: none;
}

.page-products .pl-node__sum::-webkit-details-marker {
  display: none;
}

.page-products .pl-node__sum:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: -3px;
}

.page-products .pl-node__dot {
  width: 9px;
  height: 9px;
  border: 2px solid var(--signal-500);
  border-radius: 50%;
  background: #fff;
  transition: background .2s var(--ease-out);
}

.page-products .pl-node[open] .pl-node__dot {
  background: var(--signal-500);
}

.page-products .pl-node__k {
  color: var(--stone-500);
  font-size: 11px;
  letter-spacing: .14em;
  font-variant-numeric: tabular-nums;
}

.page-products .pl-node__t {
  color: var(--ink-900);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.4;
}

.page-products .pl-node__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--pl-hair-soft);
}

.page-products .pl-node__body p {
  margin: 14px 0 0;
  color: var(--ink-500);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 生效与延续 ---------- */

.page-products .pl-rules {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pl-hair-soft);
}

.page-products .pl-rule {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--pl-hair-soft);
}

@media (min-width: 760px) {
  .page-products .pl-rule {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

.page-products .pl-rule__k {
  margin: 0;
  color: var(--signal-700);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
}

.page-products .pl-rule__t {
  margin: 0;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 设备与账号找回 ---------- */

.page-products .pl-devices {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pl-hair-soft);
}

@media (min-width: 760px) {
  .page-products .pl-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }
}

.page-products .pl-device {
  display: grid;
  gap: 7px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--pl-hair-soft);
}

.page-products .pl-device__k {
  margin: 0;
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-products .pl-device__t {
  margin: 0;
  color: var(--ink-500);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 选档场景 ---------- */

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

@media (min-width: 760px) {
  .page-products .pl-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 52px);
  }
}

.page-products .pl-scene {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--pl-hair);
}

.page-products .pl-scene__k {
  margin: 0;
  color: var(--signal-500);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
}

.page-products .pl-scene__t {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.45;
}

.page-products .pl-scene__d {
  margin: 0;
  color: var(--ink-500);
  font-size: 15px;
  line-height: 1.82;
}

.page-products .pl-scene__pick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 6px 0 0;
}

.page-products .pl-scene__val {
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .03em;
}

/* ---------- 相关入口 ---------- */

.page-products .pl-further {
  display: grid;
  gap: 1px;
  background: var(--pl-hair);
  border: 1px solid var(--pl-hair);
}

@media (min-width: 720px) {
  .page-products .pl-further {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pl-further__card {
  display: grid;
  gap: 8px;
  padding: 22px 22px 24px;
  background: var(--paper-100);
  text-decoration: none;
  transition: background .2s var(--ease-out);
}

.page-products .pl-further__card:hover,
.page-products .pl-further__card:focus-visible {
  background: var(--paper-200);
}

.page-products .pl-further__k {
  color: var(--signal-700);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-products .pl-further__t {
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pl-further__go {
  margin-top: 4px;
  color: var(--ink-900);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--signal-500);
  padding-bottom: 2px;
  justify-self: start;
}

.page-products .pl-contact {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--ink-900);
  color: var(--paper-100);
  background-image:
    linear-gradient(rgba(247, 245, 240, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 245, 240, .05) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-products .pl-contact__t {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  letter-spacing: .03em;
}

.page-products .pl-contact__d {
  margin: 0;
  max-width: 62ch;
  color: var(--pl-on-ink);
  font-size: 15px;
  line-height: 1.85;
}

.page-products .pl-contact__btn {
  justify-self: start;
  margin-top: 6px;
}

/* ---------- 窄屏与动效收敛 ---------- */

@media (max-width: 480px) {
  .page-products .pl-hero__frame {
    padding: 30px 20px 26px;
  }

  .page-products .pl-tier-preview {
    padding: 16px 16px 18px;
  }

  .page-products .pl-matrix th,
  .page-products .pl-matrix td {
    padding: 12px 12px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pl-rail__link,
  .page-products .pl-node__dot,
  .page-products .pl-further__card {
    transition: none;
  }
}