.page-products {
  --feat-line: rgba(41, 224, 214, 0.16);
  --feat-line-strong: rgba(41, 224, 214, 0.42);
  --feat-ink-soft: rgba(244, 241, 234, 0.7);
  --feat-ink-dim: rgba(244, 241, 234, 0.52);
  --feat-amber-deep: #8A5F12;
  background: var(--ink);
  color: var(--snow);
  font-family: var(--ff-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-products a {
  color: inherit;
}

.page-products .num {
  font-family: var(--ff-num);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ---------- 面包屑 ---------- */
.page-products .feat-crumb {
  padding-top: 22px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--feat-ink-dim);
}

.page-products .feat-crumb a {
  color: var(--feat-ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .feat-crumb a:hover,
.page-products .feat-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--feat-line-strong);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  padding-top: 36px;
  padding-bottom: 52px;
}

.page-products .feat-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .feat-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--ff-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .feat-kicker-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 20px;
  padding: 0 6px;
  border: 1px solid var(--feat-line-strong);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .feat-title {
  margin: 0;
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-products .feat-lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--feat-ink-soft);
}

.page-products .feat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 首屏侧栏：最短路径 */
.page-products .feat-hero-side {
  border: 1px solid var(--feat-line);
  background: var(--ink-2);
  padding: 22px 20px 18px;
  border-radius: var(--r);
}

.page-products .feat-side-title {
  margin: 0 0 14px;
  font-family: var(--ff-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-products .feat-paths {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .feat-path {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--feat-line);
}

.page-products .feat-path:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-products .feat-path-no {
  flex: none;
  width: 20px;
  padding-top: 2px;
  font-size: 11px;
  color: var(--cyan);
}

.page-products .feat-path-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-products .feat-path-link {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--snow);
  transition: color 160ms var(--ease);
}

.page-products .feat-path-link:hover,
.page-products .feat-path-link:focus-visible {
  color: var(--cyan);
}

.page-products .feat-path-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--feat-ink-dim);
}

/* ---------- 章节目录 ---------- */
.page-products .feat-toc-wrap {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(10, 27, 46, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--feat-line);
  border-bottom: 1px solid var(--feat-line);
}

.page-products .feat-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: none;
}

.page-products .feat-toc::-webkit-scrollbar {
  display: none;
}

.page-products .feat-toc .toc-link {
  flex: none;
  padding: 6px 15px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--feat-ink-dim);
  border: 1px solid var(--feat-line);
  border-radius: 999px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-products .feat-toc .toc-link:hover,
.page-products .feat-toc .toc-link:focus-visible {
  color: var(--cyan);
  border-color: var(--feat-line-strong);
}

.page-products .feat-toc .toc-link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-products .feat-sec {
  padding-top: 64px;
  padding-bottom: 64px;
}

.page-products .feat-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.page-products .section-index {
  margin: 0 0 12px;
  font-family: var(--ff-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-products .section-title {
  margin: 0;
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(23px, 4.8vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-products .section-note {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--feat-ink-soft);
}

/* ---------- 四种视图 ---------- */
.page-products .feat-views {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  background: var(--feat-line);
  border: 1px solid var(--feat-line);
}

.page-products .feat-view {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--ink-2);
}

.page-products .feat-view-icon {
  display: block;
  width: 34px;
  height: 34px;
  color: var(--cyan);
}

.page-products .feat-view-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .feat-view h3 {
  margin: 0;
  font-family: var(--ff-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-products .feat-view p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--feat-ink-soft);
}

/* ---------- 图位 ---------- */
.page-products .feat-figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--feat-line);
  background: var(--ink-2);
  background-image:
    linear-gradient(rgba(41, 224, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 224, 214, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
}

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

.page-products .feat-figure--wide {
  margin: 0 0 28px;
}

/* ---------- 关键数字条 ---------- */
.page-products .feat-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--feat-line);
  border: 1px solid var(--feat-line);
}

.page-products .feat-note {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink);
}

.page-products .feat-note-k {
  font-family: var(--ff-num);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cyan);
}

.page-products .feat-note-v {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--feat-ink-soft);
}

/* ---------- 双栏结构 ---------- */
.page-products .feat-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .feat-split-body {
  min-width: 0;
}

/* ---------- 规则分类 ---------- */
.page-products .feat-cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 1px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  background: var(--feat-line);
  border: 1px solid var(--feat-line);
}

.page-products .feat-cat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 15px;
  background: var(--ink-2);
}

.page-products .feat-cat-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .feat-cat-count {
  font-family: var(--ff-num);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .feat-tagbox {
  border-left: 2px solid var(--moss);
  padding: 4px 0 4px 18px;
}

.page-products .feat-tagbox-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .feat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-products .feat-tagbox-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--feat-ink-soft);
}

/* ---------- 米白分区：资费明细 ---------- */
.page-products .feat-paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .feat-paper .section-index {
  color: var(--clay);
}

.page-products .feat-paper .section-title {
  color: var(--ink);
}

.page-products .feat-paper .section-note {
  color: rgba(10, 27, 46, 0.7);
}

.page-products .feat-fee-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 18px;
}

.page-products .feat-fee-bar-label {
  margin: 0;
  font-family: var(--ff-num);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-products .feat-seg {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(10, 27, 46, 0.04);
}

.page-products .feat-seg-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .feat-seg-label {
  padding: 7px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 999px;
  cursor: pointer;
  color: var(--stone);
  transition: color 160ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .feat-seg-label:hover {
  color: var(--ink);
}

.page-products .feat-seg-input:checked + .feat-seg-label {
  background: var(--ink);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.page-products .feat-seg-input:focus-visible + .feat-seg-label {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .feat-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  background: var(--snow);
  -webkit-overflow-scrolling: touch;
}

.page-products .feat-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--ink);
}

.page-products .feat-table-caption {
  caption-side: top;
  padding: 12px 16px 0;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-products .feat-table th,
.page-products .feat-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid rgba(10, 27, 46, 0.1);
}

.page-products .feat-table thead th {
  font-family: var(--ff-num);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--stone);
  background: rgba(10, 27, 46, 0.05);
  white-space: nowrap;
}

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

.page-products .feat-table tbody tr:hover {
  background: rgba(41, 224, 214, 0.08);
}

.page-products .feat-th-check,
.page-products .feat-td-check {
  width: 52px;
  text-align: center;
}

.page-products .feat-td-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--moss);
  cursor: pointer;
}

.page-products .feat-td-name {
  font-weight: 700;
  white-space: nowrap;
}

.page-products .feat-name-txt {
  display: block;
  font-size: 14px;
  color: var(--ink);
}

.page-products .feat-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-products .feat-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--moss);
}

.page-products .feat-status--off::before {
  background: var(--clay);
}

.page-products .feat-price {
  font-family: var(--ff-num);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--feat-amber-deep);
  white-space: nowrap;
}

.page-products .feat-feezone:has(#fc-day:checked) .col-day,
.page-products .feat-feezone:has(#fc-week:checked) .col-week,
.page-products .feat-feezone:has(#fc-month:checked) .col-month,
.page-products .feat-feezone:has(#fc-quarter:checked) .col-quarter {
  background: rgba(41, 224, 214, 0.2);
  box-shadow: inset 0 0 0 1px rgba(41, 224, 214, 0.5);
}

.page-products .feat-fee-foot {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}

.page-products .feat-fee-foot-text p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(10, 27, 46, 0.76);
}

.page-products .feat-fee-foot-text p:last-child {
  margin-bottom: 0;
}

.page-products .feat-paper .btn--light {
  align-self: flex-start;
  border-color: rgba(10, 27, 46, 0.24);
  color: var(--ink);
}

.page-products .feat-paper .btn--light:hover,
.page-products .feat-paper .btn--light:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- 周期价格 ---------- */
.page-products .feat-cycles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--feat-line);
  border: 1px solid var(--feat-line);
}

.page-products .feat-cycle {
  padding: 16px 18px;
  background: var(--ink-2);
}

.page-products .feat-cycle-k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--ff-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .feat-cycle p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--feat-ink-soft);
}

.page-products .feat-inline-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--feat-ink-soft);
}

.page-products .feat-inline-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--feat-line-strong);
}

.page-products .feat-inline-note a:hover,
.page-products .feat-inline-note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 使用场景 ---------- */
.page-products .feat-scene {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-products .feat-figure--band {
  margin: 0 0 28px;
}

.page-products .feat-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--feat-line);
  border: 1px solid var(--feat-line);
}

.page-products .feat-scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 26px;
}

.page-products .feat-scene-label {
  display: inline-block;
  align-self: flex-start;
  margin: 0;
  padding: 3px 10px;
  font-family: var(--ff-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--amber);
}

.page-products .feat-scene-title {
  margin: 0;
  font-family: var(--ff-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-products .feat-steps {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--feat-ink-soft);
}

.page-products .feat-steps li::marker {
  font-family: var(--ff-num);
  color: var(--cyan);
}

.page-products .feat-steps a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--feat-line-strong);
}

.page-products .feat-steps a:hover,
.page-products .feat-steps a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 结尾 ---------- */
.page-products .feat-end {
  border-top: 1px solid var(--feat-line);
  padding-top: 48px;
  padding-bottom: 68px;
}

.page-products .feat-end-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .feat-end-title {
  margin: 0 0 12px;
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-products .feat-end-lead {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--feat-ink-soft);
}

.page-products .feat-end-lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--feat-line-strong);
}

.page-products .feat-end-lead a:hover,
.page-products .feat-end-lead a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-products .feat-end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: start;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 620px) {
  .page-products .feat-notes {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feat-cycles {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feat-fee-foot {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .feat-hero {
    padding-top: 52px;
    padding-bottom: 68px;
  }

  .page-products .feat-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-products .feat-views {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feat-notes {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .feat-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .feat-scenes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .feat-end-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .feat-end-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .page-products .feat-views {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .feat-cycles {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
<<<END>>>