.page-products {
  --pd-shell: 1180px;
  --pd-gap: 18px;
  --pd-shadow: 0 10px 24px rgba(0, 0, 0, .45);
}

/* ---------- 页头 ---------- */
.page-products .crumb {
  margin: 22px 0 4px;
}

.page-products .pd-head {
  padding: 18px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-head__kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-products .pd-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--text);
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-products .pd-head__lead {
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 68ch;
  margin: 0 0 22px;
}

.page-products .pd-head__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 章节 ---------- */
.page-products .pd-sec {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-sec:last-of-type {
  border-bottom: 0;
}

.page-products .pd-sec .sec-lead {
  max-width: 66ch;
}

/* ---------- 01 版本卡 ---------- */
.page-products .pd-version {
  display: grid;
  gap: var(--pd-gap);
  margin-top: 26px;
}

.page-products .pd-version__card {
  position: relative;
  padding: 22px 18px 20px;
  overflow: hidden;
}

.page-products .pd-version__card > .tag {
  position: absolute;
  top: 14px;
  right: 14px;
}

.page-products .pd-version__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-top: 10px;
}

.page-products .pd-version__item {
  background: var(--ink-900);
  padding: 15px 16px;
}

.page-products .pd-version__label {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-products .pd-version__value {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pd-version__value .num {
  font-size: 1.6em;
  color: var(--amber);
  font-weight: 700;
}

.page-products .pd-version__points {
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-version__points li + li {
  margin-top: 4px;
}

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

/* ---------- 02 版本记录 ---------- */
.page-products .pd-read {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.page-products .pd-read__item {
  border-bottom: 1px solid var(--line);
}

.page-products .pd-read__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 4px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pd-read__btn:hover {
  padding-left: 12px;
}

.page-products .pd-read__no {
  font-size: 19px;
  color: var(--amber);
  flex: 0 0 auto;
}

.page-products .pd-read__sum {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pd-read__cue {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .pd-read__panel {
  padding: 0 4px 18px;
}

.page-products .pd-read__panel p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-read__panel strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 03 三类权益 ---------- */
.page-products .pd-tiers__band {
  margin: 22px 0 6px;
  max-height: 320px;
}

.page-products .pd-tiers {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pd-tier {
  position: relative;
  padding: 22px 18px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 3px;
  border-radius: 0 0 3px 3px;
}

.page-products .pd-tier--amber::before { background: var(--amber); }
.page-products .pd-tier--teal::before { background: var(--teal); }
.page-products .pd-tier--paper::before { background: var(--paper); }

.page-products .pd-tier:hover {
  transform: translateY(-4px);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-tier__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 14px 0 10px;
  color: var(--text);
}

.page-products .pd-tier__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 14px;
}

.page-products .pd-tier__fit {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- 04 权益表 ---------- */
.page-products .pd-tariff {
  display: grid;
  gap: var(--pd-gap);
  margin-top: 26px;
}

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

.page-products .pd-switch__item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pd-switch__item + .pd-switch__item {
  margin-top: 10px;
}

.page-products .pd-switch__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 16px 16px;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-products .pd-switch__btn:hover {
  background: rgba(233, 166, 60, .07);
}

.page-products .pd-switch__n {
  font-size: 18px;
  color: var(--amber);
}

.page-products .pd-switch__panel {
  padding: 0 12px 16px;
}

.page-products .pd-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table__cap {
  text-align: left;
  font-size: 12.5px;
  color: var(--muted);
  padding: 0 0 12px;
}

.page-products .pd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table th {
  text-align: left;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 500;
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pd-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  vertical-align: middle;
}

.page-products .pd-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .pd-table tbody tr:hover,
.page-products .pd-table tbody tr:focus-visible {
  background: rgba(233, 166, 60, .09);
  outline: none;
}

.page-products .pd-table .num {
  font-size: 1.05em;
}

.page-products .pd-table__r {
  text-align: right;
}

.page-products .pd-quarters {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-quarter {
  padding: 14px 14px;
  border-radius: var(--r-md);
}

.page-products .pd-quarter__no {
  font-size: 20px;
  color: var(--teal);
  display: block;
  margin-bottom: 4px;
}

.page-products .pd-quarter__range {
  margin: 0 0 6px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-products .pd-quarter__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 05 适配 ---------- */
.page-products .pd-fit__band {
  margin: 22px 0 4px;
}

.page-products .pd-fit__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-fit__row {
  display: grid;
  gap: 6px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-fit__k {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  color: var(--teal-soft);
  letter-spacing: -.005em;
}

.page-products .pd-fit__v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-fit__more,
.page-products .pd-export__more {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-fit__more a,
.page-products .pd-export__more a {
  color: var(--amber-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 06 对比清单 ---------- */
.page-products .pd-export {
  display: grid;
  gap: var(--pd-gap);
  margin-top: 26px;
}

.page-products .pd-export__pick,
.page-products .pd-export__preview {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px 18px;
}

.page-products .pd-export__sub {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--text);
}

.page-products .pd-export__months {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pd-export__month {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 13.5px;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pd-export__month:hover {
  border-color: var(--amber);
}

.page-products .pd-export__month input {
  accent-color: var(--amber);
  width: 15px;
  height: 15px;
}

.page-products .pd-export__copy {
  width: 100%;
}

.page-products .pd-export__ptitle {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-products .pd-export__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-export__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}

.page-products .pd-export__fee {
  color: var(--amber-soft);
}

.page-products .pd-export__pmeta {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .pd-version__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pd-version__item--wide {
    grid-column: 1 / -1;
  }

  .page-products .pd-fit__row {
    grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .pd-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pd-tier:nth-child(2) {
    margin-top: 16px;
  }

  .page-products .pd-tier:nth-child(3) {
    margin-top: 30px;
  }

  .page-products .pd-quarters {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-products .pd-export__figure {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-products .pd-head {
    padding: 30px 0 40px;
  }

  .page-products .pd-sec {
    padding: 60px 0;
  }

  .page-products .pd-version {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .pd-tariff {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .pd-export {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-export__figure {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
  }

  .page-products .pd-read__panel {
    padding-left: 4px;
    padding-right: 120px;
  }
}

/* ---------- 窄屏：表格转为逐月卡片流 ---------- */
@media (max-width: 700px) {
  .page-products .pd-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .pd-table,
  .page-products .pd-table tbody,
  .page-products .pd-table tr,
  .page-products .pd-table td {
    display: block;
    width: 100%;
  }

  .page-products .pd-table tbody tr {
    background: var(--ink-900);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 12px 14px;
    margin-bottom: 10px;
  }

  .page-products .pd-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .page-products .pd-table td {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 0;
    padding: 5px 0;
    font-size: 14.5px;
  }

  .page-products .pd-table td::before {
    content: attr(data-label);
    flex: 0 0 auto;
    font-size: 12.5px;
    color: var(--muted);
  }

  .page-products .pd-table td[data-label="月份"] {
    justify-content: flex-start;
    font-family: var(--font-num);
    font-size: 18px;
    color: var(--amber);
    padding: 0 0 10px;
    margin-bottom: 8px;
    border-bottom: 1px dashed var(--line);
  }

  .page-products .pd-table td[data-label="月份"]::before {
    display: none;
  }

  .page-products .pd-table td[data-label="当月说明"] {
    display: block;
    color: var(--muted);
    font-size: 13.5px;
    padding-top: 8px;
  }

  .page-products .pd-table td[data-label="当月说明"]::before {
    display: none;
  }

  .page-products .pd-table .pd-table__r {
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-tier,
  .page-products .pd-read__btn,
  .page-products .pd-table tbody tr,
  .page-products .pd-switch__btn {
    transition: none;
  }

  .page-products .pd-tier:hover {
    transform: none;
  }
}