.page-products {
  --pp-board-min: 140px;
  --pp-ink: var(--c-text);
}

/* ---------- 首屏框景 ---------- */
.page-products .hero-plate {
  position: relative;
  overflow: hidden;
  padding: 32px 0 44px;
  background:
    radial-gradient(120% 88% at 92% -10%, rgba(123, 92, 255, 0.30), transparent 62%),
    radial-gradient(96% 70% at 4% 6%, rgba(43, 227, 224, 0.16), transparent 64%),
    var(--c-void);
  border-bottom: 1px solid var(--c-line);
}

.page-products .hero-plate::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -34%;
  width: 64%;
  height: 158%;
  background: linear-gradient(158deg, rgba(43, 227, 224, 0.14), rgba(123, 92, 255, 0.24) 52%, transparent 78%);
  transform: skewY(-6deg);
  pointer-events: none;
}

.page-products .hero-plate .wrap {
  position: relative;
  z-index: 1;
}

.page-products .hero-ticks {
  height: 14px;
  margin-bottom: 20px;
  background-image: repeating-linear-gradient(90deg, var(--c-line) 0 1px, transparent 1px 14px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  opacity: 0.9;
}

.page-products .hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 18px;
}

.page-products .hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.08;
  font-size: clamp(34px, 7.4vw, 66px);
  color: var(--c-text);
}

.page-products .hero-lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-body);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 0;
  padding: 20px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(11, 16, 32, 0.9), rgba(19, 26, 51, 0.5));
}

.page-products .stat {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
}

.page-products .stat__num {
  display: block;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .stat__label {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--c-mute);
}

.page-products .hero-index {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 32px 0 0;
  padding: 0;
}

.page-products .hero-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-body);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-products .hero-index__link .mono {
  font-size: 11px;
  color: var(--c-mute);
}

.page-products .hero-index__link:hover,
.page-products .hero-index__link:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-text);
  background: rgba(43, 227, 224, 0.07);
}

/* ---------- 通用小标题 ---------- */
.page-products .sub-title {
  margin: 42px 0 14px;
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-products .inline-note,
.page-products .board-note,
.page-products .inline-links {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-products .board-note {
  margin: -6px 0 16px;
}

.page-products .inline-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-violet);
}

.page-products .inline-links {
  margin: 18px 0 0;
}

/* ---------- 资源大类清单 ---------- */
.page-products .cat-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-products .cat-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 12px 20px 6px;
  border-top: 1px solid var(--c-line);
  transition: background var(--t-fast) var(--ease);
}

.page-products .cat-list .cat-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-products .cat-item:hover {
  background: rgba(43, 227, 224, 0.05);
}

.page-products .cat-item__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  padding-top: 3px;
}

.page-products .cat-item__name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--c-text);
}

.page-products .cat-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 图片 ---------- */
.page-products .figure__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
  background: var(--c-layer);
}

.page-products .figure {
  margin: 34px 0 0;
}

.page-products .figure__frame {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  padding: 8px;
  background: rgba(11, 16, 32, 0.7);
}

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 四个标注维度 ---------- */
.page-products .axis-list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .axis {
  padding: 16px 16px 18px;
  background: var(--c-panel);
}

.page-products .axis__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-products .axis__val {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 双轴对照板 ---------- */
.page-products .board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .board__corner,
.page-products .board__col,
.page-products .board__label,
.page-products .board__cell {
  padding: 12px 12px;
  font-size: 13.5px;
  line-height: 1.65;
  background: var(--c-panel);
}

.page-products .board__corner,
.page-products .board__label {
  grid-column: span 3;
  background: var(--c-layer);
  color: var(--c-mute);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .board__label {
  color: var(--c-text);
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-products .board__col {
  color: var(--c-cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .board__cell {
  color: var(--c-body);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .board__cell:hover {
  background: rgba(43, 227, 224, 0.08);
  color: var(--c-text);
  box-shadow: inset 0 0 0 1px var(--c-cyan);
}

/* ---------- 平台要求 ---------- */
.page-products .plat-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .plat {
  padding: 18px 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(19, 26, 51, 0.85), rgba(11, 16, 32, 0.6));
  transition: border-color var(--t-base) var(--ease);
}

.page-products .plat:hover {
  border-color: var(--c-violet);
}

.page-products .plat__name {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--c-text);
}

.page-products .plat p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .plat__hint {
  margin-top: 12px !important;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-amber);
}

/* ---------- 安装步骤 ---------- */
.page-products .steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .step {
  position: relative;
  padding: 0 0 28px 58px;
}

.page-products .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, rgba(43, 227, 224, 0.75), rgba(123, 92, 255, 0.2));
}

.page-products .step__no {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-cyan);
  border-radius: 50%;
  font-size: 14px;
  color: var(--c-cyan);
  background: var(--c-void);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .step:hover .step__no {
  transform: scale(1.08);
  box-shadow: 0 0 0 5px rgba(43, 227, 224, 0.12);
}

.page-products .step__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--c-text);
}

.page-products .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-body);
}

/* ---------- 状态标签 ---------- */
.page-products .status-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .status-item {
  padding: 16px 18px;
  border-left: 2px solid var(--c-line);
  background: linear-gradient(90deg, rgba(19, 26, 51, 0.6), transparent 88%);
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .status-item:hover {
  border-left-color: var(--c-cyan);
}

.page-products .status-item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 校验值 ---------- */
.page-products .checksum {
  margin-top: 38px;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: rgba(11, 16, 32, 0.72);
}

.page-products .checksum .sub-title {
  margin-top: 0;
}

.page-products .checksum > p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .checksum__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 0;
  border-top: 1px solid var(--c-line);
}

.page-products .checksum__label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-mute);
  min-width: 0;
  flex: 1 1 160px;
}

.page-products .copy-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  background: var(--c-layer);
  color: var(--c-text);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-products .copy-field:hover,
.page-products .copy-field:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(43, 227, 224, 0.08);
}

.page-products .copy-field__value {
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .copy-field__hint {
  font-size: 12px;
  color: var(--c-mute);
}

.page-products .copy-field.is-copied {
  border-color: var(--c-green);
  background: rgba(77, 225, 160, 0.1);
}

.page-products .copy-field.is-copied .copy-field__hint {
  color: var(--c-green);
}

/* ---------- 会员档位 ---------- */
.page-products .tiers {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .tier {
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: var(--c-panel);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-products .tier:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-products .tier--focus {
  border-color: rgba(123, 92, 255, 0.6);
  background: linear-gradient(160deg, rgba(123, 92, 255, 0.16), rgba(11, 16, 32, 0.9));
}

.page-products .tier__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--c-text);
}

.page-products .tier__meta {
  margin: 6px 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

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

.page-products .tier__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-body);
}

.page-products .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
}

/* ---------- 历史版本折叠 ---------- */
.page-products .ver-list {
  margin-top: 22px;
  border-top: 1px solid var(--c-line);
}

.page-products .ver-item {
  border-bottom: 1px solid var(--c-line);
}

.page-products .ver-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--t-fast) var(--ease);
}

.page-products .ver-item summary::-webkit-details-marker {
  display: none;
}

.page-products .ver-item summary::after {
  content: "展开";
  margin-left: auto;
  font-size: 12px;
  color: var(--c-mute);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 3px 10px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .ver-item[open] summary::after {
  content: "收起";
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-products .ver-item summary:hover,
.page-products .ver-item summary:focus-visible {
  background: rgba(43, 227, 224, 0.05);
}

.page-products .ver-item__no {
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--c-text);
}

.page-products .ver-item__type {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-violet);
  border: 1px solid rgba(123, 92, 255, 0.5);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-products .ver-item__time {
  font-size: 12px;
  color: var(--c-mute);
}

.page-products .ver-item__body {
  padding: 4px 4px 20px;
}

.page-products .ver-item__body > p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-body);
  max-width: 68ch;
}

.page-products .ver-item__body .checksum__row {
  border-top: 1px dashed var(--c-line);
}

/* ---------- 回退提醒 ---------- */
.page-products .rollback {
  margin-top: 40px;
  padding: 20px 20px 22px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, rgba(255, 178, 77, 0.08), rgba(11, 16, 32, 0.7));
}

.page-products .rollback .sub-title {
  margin-top: 0;
}

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

.page-products .rollback__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .rollback__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--c-amber);
}

/* ---------- 去向链接 ---------- */
.page-products .next-links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .next-link a {
  display: block;
  padding: 20px 18px;
  background: var(--c-panel);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease);
}

.page-products .next-link a:hover,
.page-products .next-link a:focus-visible {
  background: rgba(43, 227, 224, 0.07);
}

.page-products .next-link__title {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--c-text);
}

.page-products .next-link a:hover .next-link__title {
  color: var(--c-cyan);
}

.page-products .next-link__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mute);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-products .hero-plate {
    padding: 44px 0 56px;
  }

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

  .page-products .plat-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .step {
    padding-left: 68px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.7fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .hero-stats {
    padding: 24px 22px;
  }

  .page-products .split {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .page-products .split__aside {
    margin-top: 34px;
  }

  .page-products .board {
    grid-template-columns: var(--pp-board-min) repeat(3, minmax(0, 1fr));
  }

  .page-products .board__corner,
  .page-products .board__label {
    grid-column: span 1;
  }

  .page-products .board__label {
    display: flex;
    align-items: center;
  }

  .page-products .cat-item {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 24px 16px 24px 8px;
  }

  .page-products .cat-item__name {
    font-size: 19px;
  }

  .page-products .axis-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .checksum__label {
    flex: 0 0 auto;
    min-width: 190px;
  }

  .page-products .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .figure {
    margin-top: 40px;
  }
}
<<<END>>>