.page-products {
  --pd-sticky-offset: calc(var(--header-h) + 8px);
  --pd-anchor-offset: calc(var(--header-h) + 112px);
  display: block;
  background: var(--ink-900);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumbs {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter) 0;
}
.page-products .pd-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--muted);
}
.page-products .pd-crumbs__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--line);
}
.page-products .pd-crumbs__list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-products .pd-crumbs__list a:hover,
.page-products .pd-crumbs__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products .pd-crumbs__list [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(28px, 5vw, 52px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
}
.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}
.page-products .pd-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-products .pd-hero__lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: clamp(0.96rem, 1.4vw, 1.04rem);
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-hero__fields-label {
  margin: 26px 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-hi);
}
.page-products .pd-hero__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pd-hero__fields li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  font-size: 0.82rem;
  color: var(--text);
}
.page-products .pd-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.page-products .pd-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-800);
}
.page-products .pd-stat .stat__label {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-products .pd-stat .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--gold-hi);
  line-height: 1;
}

/* 首屏视觉 */
.page-products .pd-hero__visual {
  position: relative;
  min-height: 240px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(63, 224, 208, 0.12) 0%, rgba(7, 26, 23, 0) 58%),
    var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}
.page-products .pd-hero__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(31, 79, 70, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31, 79, 70, 0.55) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.55;
}
.page-products .pd-hero__rings {
  position: absolute;
  left: 52%;
  top: 56%;
  width: 118%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at center,
      transparent 0 22%,
      rgba(201, 162, 39, 0.42) 22% calc(22% + 1px),
      transparent calc(22% + 1px) 36%,
      rgba(201, 162, 39, 0.30) 36% calc(36% + 1px),
      transparent calc(36% + 1px) 52%,
      rgba(63, 224, 208, 0.34) 52% calc(52% + 1px),
      transparent calc(52% + 1px) 70%,
      rgba(63, 224, 208, 0.20) 70% calc(70% + 1px),
      transparent calc(70% + 1px));
}
.page-products .pd-hero__beam {
  position: absolute;
  left: -10%;
  right: -10%;
  top: 44%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.85;
}
.page-products .pd-hero__vnum {
  position: absolute;
  left: 22px;
  bottom: 18px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--gold-hi);
  letter-spacing: 0.04em;
}
.page-products .pd-hero__caption {
  position: absolute;
  right: 22px;
  bottom: 22px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---------- 四类切换带 ---------- */
.page-products .pd-switch {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 26, 23, 0.94);
  backdrop-filter: blur(10px);
}
.page-products .pd-switch__inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-products .pd-switch__label {
  margin: 0;
  color: var(--muted);
}
.page-products .pd-switch__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .pd-switch__list::-webkit-scrollbar {
  display: none;
}
.page-products .pd-switch__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px 11px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-products .pd-switch__link:hover,
.page-products .pd-switch__link:focus-visible {
  color: var(--text);
}
.page-products .pd-switch__no {
  font-size: 0.78rem;
  color: var(--gold);
}
.page-products .pd-switch__name {
  font-size: 0.95rem;
  font-weight: 600;
}
.page-products:not(:has(.pd-card:target)) .pd-switch__link--01,
.page-products:has(#cat-01:target) .pd-switch__link--01,
.page-products:has(#cat-02:target) .pd-switch__link--02,
.page-products:has(#cat-03:target) .pd-switch__link--03,
.page-products:has(#cat-04:target) .pd-switch__link--04 {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products:not(:has(.pd-card:target)) .pd-switch__link--01 .pd-switch__no,
.page-products:has(#cat-01:target) .pd-switch__link--01 .pd-switch__no,
.page-products:has(#cat-02:target) .pd-switch__link--02 .pd-switch__no,
.page-products:has(#cat-03:target) .pd-switch__link--03 .pd-switch__no,
.page-products:has(#cat-04:target) .pd-switch__link--04 .pd-switch__no {
  color: var(--cyan);
}

/* ---------- 通用章节头 ---------- */
.page-products .pd-sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx title"
    "note note";
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-products .pd-sec-head .section-head__index {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.page-products .pd-sec-head h2 {
  grid-area: title;
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.page-products .pd-sec-head__note {
  grid-area: note;
  margin: 2px 0 0;
  max-width: 68ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 分类卡片区 ---------- */
.page-products .pd-cats,
.page-products .pd-spec,
.page-products .pd-freq,
.page-products .pd-check,
.page-products .pd-log {
  padding: clamp(40px, 6vw, 76px) 0;
}
.page-products .pd-spec,
.page-products .pd-check {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .pd-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
}
.page-products .pd-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
  scroll-margin-top: var(--pd-anchor-offset);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}
.page-products .pd-card:target {
  border-color: rgba(63, 224, 208, 0.7);
  box-shadow: 0 0 0 1px rgba(63, 224, 208, 0.25);
}
.page-products .pd-card__strip {
  position: relative;
  height: clamp(118px, 20vw, 176px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: var(--ink-700);
}
.page-products .pd-card__strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 23, 0.15), rgba(7, 26, 23, 0.85));
}
.page-products .pd-card__strip img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.7;
  filter: saturate(0.72) contrast(1.06);
}
.page-products .pd-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px clamp(18px, 3vw, 28px) 16px;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pd-card__no {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 600;
  color: var(--gold-hi);
  line-height: 1;
}
.page-products .pd-card__title {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2vw, 1.34rem);
  font-weight: 700;
  color: var(--text);
}
.page-products .pd-card__badge {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

/* 字段列表 */
.page-products .pd-fields {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
}
.page-products .pd-fields__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 13px clamp(16px, 2.4vw, 22px);
  background: var(--ink-800);
}
.page-products .pd-fields dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-products .pd-fields dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text);
  overflow-wrap: anywhere;
}
.page-products .pd-fields dd .num {
  color: var(--gold-hi);
}

/* 卡 B：左右分栏 */
.page-products .pd-card__body--split {
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .pd-card__aside {
  padding: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line-soft);
  background: var(--ink-700);
}
.page-products .pd-card__aside p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--text);
}
.page-products .pd-card__aside p:last-of-type {
  margin-bottom: 0;
}
.page-products .pd-card__aside-note {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--gold-hi);
}

/* 卡 D：折叠 */
.page-products .pd-card__fold {
  border-top: 1px solid var(--line-soft);
}
.page-products .pd-card__fold-summary {
  padding: 14px clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}
.page-products .pd-card__fold-summary::-webkit-details-marker {
  display: none;
}
.page-products .pd-card__fold-summary::before {
  content: "＋ ";
  color: var(--gold);
}
.page-products .pd-card__fold[open] .pd-card__fold-summary::before {
  content: "－ ";
}

/* ---------- 字段规范表 ---------- */
.page-products .pd-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.page-products .pd-spec-table__caption {
  caption-side: top;
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-products .pd-spec-table th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  white-space: nowrap;
}
.page-products .pd-spec-table td {
  padding: 14px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.75;
  color: var(--text);
  vertical-align: top;
}
.page-products .pd-spec-table tbody tr:hover td {
  background: rgba(20, 54, 48, 0.55);
}
.page-products .pd-spec__foot {
  margin: 18px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.page-products .pd-spec__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}
.page-products .pd-spec__foot a:hover,
.page-products .pd-spec__foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 区间对照 ---------- */
.page-products .pd-ranges__scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-products .pd-ranges__scale span:last-child {
  text-align: right;
}
.page-products .pd-ranges__scale span:not(:first-child):not(:last-child) {
  text-align: center;
}
.page-products .pd-ranges__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pd-range {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name val"
    "track track";
  align-items: center;
  gap: 8px 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pd-range__name {
  grid-area: name;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.page-products .pd-range__name .num {
  margin-right: 8px;
  font-size: 0.8rem;
  color: var(--gold);
}
.page-products .pd-range__val {
  grid-area: val;
  font-size: 0.86rem;
  color: var(--gold-hi);
  white-space: nowrap;
}
.page-products .pd-range__track {
  grid-area: track;
  position: relative;
  display: block;
  height: 10px;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(31, 79, 70, 0.25) 1px, transparent 1px) 0 0 / 25% 100%,
    var(--ink-700);
}
.page-products .pd-range__bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--start);
  right: calc(100% - var(--end));
  background: linear-gradient(90deg, var(--gold), var(--cyan));
}
.page-products .pd-range--01 {
  --start: 0%;
  --end: 16.7%;
}
.page-products .pd-range--02 {
  --start: 2.8%;
  --end: 33.3%;
}
.page-products .pd-range--03 {
  --start: 8.3%;
  --end: 66.7%;
}
.page-products .pd-range--04 {
  --start: 16.7%;
  --end: 100%;
}
.page-products .pd-ranges__note {
  margin: 22px 0 0;
  max-width: 74ch;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 账户额度 ---------- */
.page-products .pd-quota {
  padding: clamp(40px, 6vw, 76px) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
}
.page-products .pd-quota__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}
.page-products .pd-quota__lead h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 700;
  line-height: 1.32;
  color: var(--text);
}
.page-products .pd-quota__lead p {
  margin: 16px 0 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-quota__boundary {
  padding: 14px 16px;
  border-left: 2px solid var(--coral);
  background: var(--ink-700);
  color: var(--text) !important;
  font-size: 0.9rem !important;
}
.page-products .pd-quota__body {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.page-products .pd-quota__block {
  padding: 20px 22px;
  background: var(--ink-900);
}
.page-products .pd-quota__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-products .pd-quota__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
}
.page-products .pd-quota__list .num {
  color: var(--gold-hi);
  font-size: 0.82rem;
}
.page-products .pd-quota__list--src li {
  align-items: flex-start;
  color: var(--muted);
}
.page-products .pd-quota__list--src .dot {
  margin-top: 8px;
  flex: 0 0 auto;
}

/* ---------- 开局频次 ---------- */
.page-products .pd-freq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}
.page-products .pd-freq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.page-products .pd-freq-table th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  white-space: nowrap;
}
.page-products .pd-freq-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  vertical-align: top;
}
.page-products .pd-freq-table td .num {
  color: var(--gold-hi);
  margin-right: 6px;
}
.page-products .pd-freq__aside {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}
.page-products .pd-freq__aside p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-freq__aside p:last-child {
  margin-bottom: 0;
}
.page-products .pd-freq__aside .num {
  color: var(--gold-hi);
}
.page-products .pd-freq__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}
.page-products .pd-freq__link a:hover,
.page-products .pd-freq__link a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 校验清单 ---------- */
.page-products .pd-check__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}
.page-products .pd-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.page-products .pd-checklist__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-800);
}
.page-products .pd-checklist__item--verify {
  border-left: 2px solid var(--coral);
}
.page-products .pd-checklist__box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}
.page-products .pd-checklist__box::after {
  content: "";
  width: 9px;
  height: 5px;
  margin-top: -3px;
  border-left: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(-45deg) scale(0);
  transition: transform 0.18s var(--ease);
}
.page-products .pd-checklist__box:checked {
  border-color: var(--cyan);
}
.page-products .pd-checklist__box:checked::after {
  transform: rotate(-45deg) scale(1);
}
.page-products .pd-checklist__box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-products .pd-checklist__text {
  flex: 1 1 auto;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text);
  cursor: pointer;
}
.page-products .pd-checklist__flag {
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--coral);
  border: 1px solid rgba(255, 122, 89, 0.45);
  border-radius: var(--radius);
  padding: 2px 6px;
}
.page-products .pd-checklist__item .dot--verify {
  position: absolute;
  right: 14px;
  top: 12px;
  display: none;
}
.page-products .pd-check__foot {
  margin: 18px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.page-products .pd-check__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}
.page-products .pd-check__foot a:hover,
.page-products .pd-check__foot a:focus-visible {
  border-bottom-color: var(--cyan);
}
.page-products .pd-check__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-900);
}
.page-products .pd-check__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.82;
}
.page-products .pd-check__figure .figure__caption {
  padding: 12px 16px 14px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 变更记录 ---------- */
.page-products .pd-log__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--gold);
}
.page-products .pd-log__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 0 0 26px 22px;
}
.page-products .pd-log__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}
.page-products .pd-log__item:last-child {
  padding-bottom: 0;
}
.page-products .pd-log__ver {
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-products .pd-log__head {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}
.page-products .pd-log__desc {
  margin: 6px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pd-log__more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
}
.page-products .pd-log__more .btn {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.page-products .pd-log__more .btn:hover,
.page-products .pd-log__more .btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-fields__item {
    grid-template-columns: 152px 1fr;
    align-items: baseline;
    gap: 20px;
  }
  .page-products .pd-log__item {
    grid-template-columns: 76px 1fr;
    align-items: baseline;
    gap: 18px;
  }
  .page-products .pd-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-products .pd-spec-table thead,
  .page-products .pd-freq-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
  .page-products .pd-spec-table,
  .page-products .pd-freq-table,
  .page-products .pd-spec-table tbody,
  .page-products .pd-freq-table tbody,
  .page-products .pd-spec-table tr,
  .page-products .pd-freq-table tr,
  .page-products .pd-spec-table td,
  .page-products .pd-freq-table td {
    display: block;
    width: 100%;
  }
  .page-products .pd-spec-table tr,
  .page-products .pd-freq-table tr {
    margin-bottom: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--ink-800);
    overflow: hidden;
  }
  .page-products .pd-spec-table td,
  .page-products .pd-freq-table td {
    display: grid;
    grid-template-columns: 104px 1fr;
    gap: 4px 14px;
    padding: 11px 14px;
    border: 0;
    border-bottom: 1px solid var(--line-soft);
  }
  .page-products .pd-spec-table tr td:last-child,
  .page-products .pd-freq-table tr td:last-child {
    border-bottom: 0;
  }
  .page-products .pd-spec-table td::before,
  .page-products .pd-freq-table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--muted);
  }
  .page-products .pd-spec-table tbody tr:hover td {
    background: transparent;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: 58fr 42fr;
  }
  .page-products .pd-card__body--split {
    grid-template-columns: 1.35fr 1fr;
    align-items: stretch;
  }
  .page-products .pd-card__aside {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }
  .page-products .pd-quota__grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }
  .page-products .pd-freq__grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }
  .page-products .pd-check__grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }
  .page-products .pd-range {
    grid-template-columns: 168px 1fr 122px;
    grid-template-areas: "name track val";
    gap: 20px;
  }
  .page-products .pd-switch__inner {
    flex-direction: row;
    align-items: center;
    gap: 26px;
  }
  .page-products .pd-switch__label {
    flex: 0 0 auto;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-products .pd-card--a {
    grid-column: 1 / 13;
  }
  .page-products .pd-card--b {
    grid-column: 1 / 11;
  }
  .page-products .pd-card--c {
    grid-column: 4 / 13;
  }
  .page-products .pd-card--d {
    grid-column: 2 / 13;
  }
  .page-products .pd-fields--row {
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
  }
  .page-products .pd-fields--row .pd-fields__item {
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .page-products .pd-card--c .pd-fields--duo {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .pd-fields__item--wide {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-switch__link,
  .page-products .pd-checklist__box,
  .page-products .pd-checklist__box::after,
  .page-products .pd-log__more .btn {
    transition: none;
  }
}