.page-products {
  --pd-accent-line: #2C3A55;
  --pd-live-glow: rgba(36, 224, 210, 0.35);
  --pd-warm: rgba(255, 138, 43, 0.16);
  --pd-rail-w: 214px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 64px));
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(155deg, rgba(36, 224, 210, 0.10), transparent 46%),
    linear-gradient(335deg, rgba(224, 35, 59, 0.12), transparent 42%);
  pointer-events: none;
}

.page-products .pd-hero .container {
  position: relative;
}

.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: center;
}

.page-products .pd-hero__text h1 {
  font-family: var(--font-title);
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--white);
  margin: 10px 0 18px;
}

.page-products .pd-hero__text .lead {
  max-width: 46ch;
  color: var(--muted);
}

.page-products .pd-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 26px 0 22px;
  padding: 12px 16px;
  border: 1px solid var(--pd-accent-line);
  border-left: 3px solid var(--cyan);
  background: var(--ink-800);
}

.page-products .pd-search__icon {
  display: inline-flex;
  color: var(--cyan);
}

.page-products .pd-search__text {
  font-size: 15px;
  color: var(--muted);
}

.page-products .pd-search__modes {
  display: inline-flex;
  gap: 8px;
  margin-left: auto;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-hero__visual {
  position: relative;
  border: 1px solid var(--pd-accent-line);
  background: var(--ink-850);
  padding: clamp(8px, 1.4vw, 14px);
}

.page-products .pd-hero__visual::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 62px;
  height: 62px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  opacity: 0.7;
  pointer-events: none;
}

.page-products .pd-board {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-products .pd-stats .stat {
  background: var(--ink-900);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pd-stats .stat__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}

.page-products .pd-stats .stat__value small {
  font-size: 13px;
  margin-left: 2px;
  color: var(--cyan-soft);
}

.page-products .pd-stats .stat__label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 侧轨 + 主区 ---------- */
.page-products .pd-shell {
  padding-top: 0;
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products .pd-rail {
  top: calc(var(--header-h) + 22px);
  border-left: 2px solid var(--ink-700);
  padding-left: 16px;
}

.page-products .pd-rail .rail__link {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.page-products .pd-rail .rail__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pd-main {
  min-width: 0;
}

.page-products .pd-sec {
  padding: clamp(34px, 5vw, 62px) 0;
  border-top: 1px solid var(--ink-700);
}

.page-products .pd-sec:first-child {
  border-top: 0;
  padding-top: clamp(18px, 3vw, 30px);
}

.page-products .pd-sec[data-inview="true"] .eyebrow {
  color: var(--cyan-soft);
}

/* ---------- 通用两栏 ---------- */
.page-products .pd-split {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pd-split__main {
  min-width: 0;
  display: grid;
  gap: 18px;
}

/* ---------- 卡片 ---------- */
.page-products .pd-card {
  position: relative;
  border: 1px solid var(--pd-accent-line);
  background: var(--ink-800);
  padding: 22px 22px 20px;
}

.page-products .pd-card--live::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 74px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-products .pd-card .card__label {
  color: var(--orange);
}

.page-products .pd-card .card__title {
  color: var(--white);
  font-family: var(--font-title);
  font-size: var(--fs-h3);
  line-height: 1.35;
  margin: 8px 0 12px;
}

.page-products .pd-card .card__text {
  color: var(--muted);
  margin: 0 0 14px;
}

.page-products .pd-card .card__meta {
  color: var(--cyan);
  font-size: 13px;
  margin: 0;
}

/* ---------- 字段标签清单 ---------- */
.page-products .pd-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-fields li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 13px;
  background: var(--ink-700);
  border-left: 2px solid var(--pd-accent-line);
  font-size: 14px;
  color: var(--white);
}

.page-products .pd-fields__key {
  color: var(--white);
}

.page-products .pd-fields__val {
  color: var(--cyan-soft);
  font-size: 13px;
  text-align: right;
}

/* ---------- 图片容器 ---------- */
.page-products .pd-media {
  margin: 0;
  min-width: 0;
}

.page-products .pd-media__frame {
  border: 1px solid var(--pd-accent-line);
  background: var(--ink-850);
}

.page-products .pd-media__frame--tall {
  max-width: 420px;
}

.page-products .pd-media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-media .media__caption {
  margin-top: 10px;
  color: var(--muted);
  border-left: 2px solid var(--ink-700);
  padding-left: 10px;
}

/* ---------- 资料库四栏目 ---------- */
.page-products .pd-cols {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-cols__item {
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
  padding: 16px 16px 14px;
}

.page-products .pd-cols__item .tag {
  display: inline-block;
  margin: 0 0 8px;
}

.page-products .pd-cols__title {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--white);
}

.page-products .pd-cols__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-notice {
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-top: 2px solid var(--orange);
  padding: 16px 18px;
}

.page-products .pd-notice p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-notice p:last-child {
  margin-bottom: 0;
}

/* ---------- 对照视图 ---------- */
.page-products .pd-media--wide {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pd-diff {
  position: relative;
  display: grid;
  gap: 20px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pd-diff__col {
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
  padding: 14px 16px 6px;
}

.page-products .pd-diff__ver {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border-bottom: 1px dashed var(--pd-accent-line);
  padding-bottom: 10px;
}

.page-products .pd-diff__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-diff__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ink-700);
  font-size: 14px;
}

.page-products .pd-diff__row:last-child {
  border-bottom: 0;
}

.page-products .pd-diff__key {
  color: var(--muted);
}

.page-products .pd-diff__val {
  font-size: 14px;
  color: var(--white);
}

.page-products .pd-diff__row.is-diff {
  border-left: 2px solid var(--orange);
  padding-left: 10px;
  background: linear-gradient(90deg, var(--pd-warm), transparent 70%);
}

.page-products .pd-diff__row.is-diff .pd-diff__key {
  color: var(--white);
}

.page-products .pd-diff__row.is-same .pd-diff__val {
  color: var(--muted);
  font-weight: 400;
}

.page-products .pd-eff {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pd-eff__item {
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
  padding: 16px 18px;
}

.page-products .pd-eff__item--accent {
  border-color: var(--cyan);
  border-left-width: 3px;
}

.page-products .pd-eff__label {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--muted);
}

.page-products .pd-eff__value {
  margin: 0 0 4px;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
}

.page-products .pd-eff__item--accent .pd-eff__value {
  color: var(--cyan);
}

.page-products .pd-eff__note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 会员权益（暖纸白区） ---------- */
.page-products .pd-member {
  background: var(--paper);
  color: var(--paper-ink);
  border-top: 4px solid var(--cyan);
  padding: clamp(24px, 4vw, 44px) clamp(18px, 3vw, 36px);
  margin: clamp(16px, 3vw, 28px) 0;
}

.page-products .pd-member__head h2 {
  color: var(--paper-ink);
}

.page-products .pd-member .eyebrow {
  color: #6B5A2E;
}

.page-products .pd-member .section-head__text {
  color: #4A5568;
}

.page-products .pd-member .pd-media__frame {
  border-color: rgba(22, 32, 47, 0.24);
  background: rgba(22, 32, 47, 0.06);
}

.page-products .pd-member .media__caption {
  color: #4A5568;
  border-left-color: rgba(22, 32, 47, 0.24);
}

.page-products .pd-table__scroll {
  margin-top: clamp(20px, 3vw, 32px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--paper-ink);
}

.page-products .pd-table__caption {
  text-align: left;
  font-size: 13px;
  color: #4A5568;
  padding-bottom: 10px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(22, 32, 47, 0.18);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .pd-table thead th {
  position: sticky;
  top: calc(var(--header-h) + 4px);
  background: var(--paper);
  border-bottom: 2px solid var(--paper-ink);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  z-index: 2;
}

.page-products .pd-table tbody th {
  font-weight: 700;
  white-space: nowrap;
  background: rgba(22, 32, 47, 0.04);
}

.page-products .pd-table .pd-featured {
  background: rgba(36, 224, 210, 0.22);
  box-shadow: inset 2px 0 0 var(--cyan), inset -2px 0 0 var(--cyan);
}

.page-products .pd-member__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3A4557;
  border-top: 1px dashed rgba(22, 32, 47, 0.24);
  padding-top: 16px;
}

.page-products .pd-member__note a {
  color: #0B6E68;
  border-bottom: 1px solid rgba(11, 110, 104, 0.45);
  text-decoration: none;
}

.page-products .pd-member__note a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 版本说明 ---------- */
.page-products .pd-copy {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pd-copy a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(36, 224, 210, 0.45);
  text-decoration: none;
}

.page-products .pd-copy a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 上手路径 ---------- */
.page-products .pd-paths {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pd-path {
  border-top: 3px solid var(--orange);
  background: var(--ink-850);
  padding: 20px 20px 18px;
}

.page-products .pd-path:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-products .pd-path:nth-child(3) {
  border-top-color: var(--red);
}

.page-products .pd-path .card__title {
  color: var(--white);
  font-family: var(--font-title);
  font-size: 19px;
  line-height: 1.4;
  margin: 8px 0 14px;
}

.page-products .pd-steps {
  list-style: none;
  counter-reset: pdstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-steps li {
  counter-increment: pdstep;
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-steps li::before {
  content: counter(pdstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border: 1px solid var(--pd-accent-line);
  padding: 1px 4px;
}

/* ---------- 收束条 ---------- */
.page-products .pd-cta {
  margin-top: clamp(30px, 5vw, 52px);
  border: 1px solid var(--pd-accent-line);
  border-left: 4px solid var(--red);
  background: var(--ink-850);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 18px;
}

.page-products .pd-cta__text {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.6;
  color: var(--white);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-products .pd-diff {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .page-products .pd-diff::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    border-left: 1px dashed var(--pd-accent-line);
    pointer-events: none;
  }
}

@media (min-width: 900px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(30px, 4vw, 52px);
  }

  .page-products .pd-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pd-split--reverse .pd-split__main {
    order: -1;
  }
}

@media (min-width: 980px) {
  .page-products .pd-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (min-width: 1040px) {
  .page-products .pd-shell {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (max-width: 1039px) {
  .page-products .pd-rail {
    position: static;
    border-left: 0;
    border-top: 1px solid var(--ink-700);
    padding: 12px 0 0;
  }

  .page-products .pd-rail .rail__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-featured,
  .page-products .pd-diff__row.is-diff {
    transition: none;
  }
}