.page-products {
  --prod-edge: clamp(18px, 4vw, 40px);
  --prod-board-radius: 26px 8px 26px 8px;
}

/* 面包屑区 */
.page-products .products-head {
  padding-top: clamp(20px, 3.5vw, 34px);
}

.page-products .products-head .breadcrumb {
  margin-bottom: 0;
}

/* ============ 版本速览卡 ============ */
.page-products .release-board {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--prod-board-radius);
  background:
    radial-gradient(130% 90% at 100% 0%, rgba(79, 224, 208, 0.12), transparent 60%),
    radial-gradient(90% 70% at 0% 100%, rgba(168, 122, 24, 0.16), transparent 62%),
    linear-gradient(155deg, var(--panel), var(--ink) 70%);
  padding: clamp(22px, 4.6vw, 54px);
}

.page-products .release-board__bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(70%, 720px);
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 0.32;
  z-index: -1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 52%);
  mask-image: linear-gradient(90deg, transparent, #000 52%);
}

.page-products .release-board__grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

@media (min-width: 880px) {
  .page-products .release-board__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

.page-products .release-board .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-products .release-board h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 50px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
  text-shadow:
    0 0 34px rgba(255, 201, 74, 0.22),
    0 0 68px rgba(79, 224, 208, 0.16);
}

.page-products .release-board .lede {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-products .release-board__ver {
  display: flex;
  align-items: baseline;
  gap: 14px;
  white-space: nowrap;
}

.page-products .release-board__ver-num {
  font-family: var(--font-mono);
  font-size: clamp(64px, 16vw, 132px);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.045em;
  color: var(--gold);
  text-shadow:
    0 0 38px rgba(255, 201, 74, 0.4),
    0 0 92px rgba(79, 224, 208, 0.2);
}

.page-products .release-board__ver-tag {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold-dim);
}

/* 参数条 */
.page-products .spec-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-products .spec-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .spec-row__item {
  position: relative;
  overflow: hidden;
  background: rgba(7, 8, 12, 0.72);
  padding: clamp(16px, 2.6vw, 24px) clamp(16px, 2.6vw, 26px);
}

.page-products .spec-row__item dt {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .spec-row__item dd {
  margin: 8px 0 0;
  font-size: clamp(17px, 2.1vw, 20px);
  color: var(--text);
}

.page-products .spec-row__item--halo dd {
  color: var(--teal);
}

.page-products .spec-row__halo {
  position: absolute;
  top: -34%;
  right: -12%;
  width: clamp(120px, 22vw, 180px);
  height: auto;
  opacity: 0.22;
  pointer-events: none;
}

/* 动作按钮 */
.page-products .release-board__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-products .release-board__actions .btn {
  position: relative;
  overflow: hidden;
}

.page-products .release-board__actions .btn::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 55%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  transform: translateX(-120%);
  transition: transform 520ms ease;
  pointer-events: none;
}

.page-products .release-board__actions .btn:hover::after,
.page-products .release-board__actions .btn:focus-visible::after {
  transform: translateX(320%);
}

/* ============ 四步动线 ============ */
.page-products .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: flowStep;
}

.page-products .flow-list__item {
  position: relative;
  padding: clamp(16px, 2.4vw, 22px) 0 clamp(16px, 2.4vw, 22px) 58px;
  border-bottom: 1px solid var(--line);
}

.page-products .flow-list__item:first-child {
  border-top: 1px solid var(--line);
}

.page-products .flow-list__no {
  position: absolute;
  left: 0;
  top: clamp(18px, 2.6vw, 24px);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border-left: 2px solid var(--gold-dim);
  padding-left: 10px;
  line-height: 1;
}

.page-products .flow-list__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--text);
}

.page-products .flow-list__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .flow-figure {
  margin: 0;
}

/* ============ 订阅周期对照 ============ */
.page-products .cycle-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.page-products .cycle-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .cycle-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 18px 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .cycle-table thead th {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}

.page-products .cycle-table tbody th {
  text-align: left;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.page-products .cycle-table tbody td {
  padding: 16px 18px;
  vertical-align: top;
  line-height: 1.8;
  color: var(--teal);
  border-bottom: 1px solid var(--line);
}

.page-products .cycle-table tbody td:nth-child(2) {
  color: var(--text);
}

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

.page-products .cycle-table tbody tr:hover th,
.page-products .cycle-table tbody tr:hover td {
  background: rgba(255, 201, 74, 0.05);
}

.page-products .cycle-note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 15px;
  line-height: 1.9;
}

.page-products .cycle-note a,
.page-products .trouble-foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 1px;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .cycle-note a:hover,
.page-products .trouble-foot a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

/* ============ 时间线 ============ */
.page-products .timeline-lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 46em;
  color: var(--muted);
}

.page-products .timeline-figure {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
}

.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: flex;
  gap: clamp(14px, 2.4vw, 24px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 30px);
}

.page-products .timeline__node {
  position: relative;
  flex: 0 0 min(280px, 76vw);
  scroll-snap-align: start;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-b);
  background: linear-gradient(165deg, var(--panel), rgba(16, 18, 24, 0.55));
  transition: border-color 180ms ease;
}

.page-products .timeline__node::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--teal);
}

.page-products .timeline__node:hover {
  border-color: var(--gold-dim);
}

.page-products .timeline__node--current {
  border-color: rgba(255, 92, 138, 0.42);
}

.page-products .timeline__node--current::before {
  background: var(--rose);
}

.page-products .timeline__ver {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .timeline__node h3 {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  color: var(--text);
}

.page-products .timeline__node p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .timeline__node--current .status-dot {
  margin-left: 10px;
  vertical-align: middle;
}

/* ============ 更新日志 ============ */
.page-products .log-section {
  position: relative;
  background:
    linear-gradient(180deg, rgba(27, 110, 104, 0.08), transparent 46%),
    var(--ink);
  border-top: 1px solid var(--line);
}

.page-products .log-intro {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-size: 15px;
  line-height: 1.9;
}

.page-products .log-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

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

.page-products .log-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: clamp(15px, 2.2vw, 20px) 4px;
  cursor: pointer;
  list-style: none;
  transition: background 160ms ease;
}

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

.page-products .log-item > summary:hover {
  background: rgba(255, 201, 74, 0.045);
}

.page-products .log-item__ver {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-left: 16px;
  white-space: nowrap;
}

.page-products .log-item__ver::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-50%);
  box-shadow: 0 0 10px rgba(255, 201, 74, 0.7);
}

.page-products .log-item__title {
  font-size: clamp(15px, 1.9vw, 17px);
  color: var(--text);
  line-height: 1.7;
}

.page-products .log-item__toggle {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .log-item[open] .log-item__toggle {
  color: var(--teal);
}

.page-products .log-item[open] .log-item__toggle::after {
  content: " ▲";
}

.page-products .log-item:not([open]) .log-item__toggle::after {
  content: " ▼";
}

.page-products .log-item__body {
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding: 0 4px 0 34px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 62em;
}

/* ============ 常见情况 ============ */
.page-products .trouble-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
}

@media (min-width: 820px) {
  .page-products .trouble-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .trouble-list__item:nth-child(2) {
    transform: translateY(clamp(10px, 1.6vw, 22px));
  }
  .page-products .trouble-list__item:nth-child(4) {
    transform: translateY(clamp(10px, 1.6vw, 22px));
  }
}

.page-products .trouble-list__item {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-a);
  background: linear-gradient(160deg, var(--panel), rgba(7, 8, 12, 0.7));
  transition: border-color 180ms ease;
}

.page-products .trouble-list__item:hover {
  border-color: var(--gold-dim);
}

.page-products .trouble-list__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
  border: 1px solid rgba(79, 224, 208, 0.32);
  border-radius: 999px;
  padding: 4px 11px;
}

.page-products .trouble-list__item h3 {
  margin: 14px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-products .trouble-list__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-products .trouble-foot {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
}

.page-products .trouble-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  max-width: 60em;
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 640px) {
  .page-products .release-board__bg {
    width: 100%;
    opacity: 0.2;
    -webkit-mask-image: linear-gradient(180deg, transparent 8%, #000 62%);
    mask-image: linear-gradient(180deg, transparent 8%, #000 62%);
  }

  .page-products .release-board__ver {
    gap: 10px;
  }

  .page-products .release-board__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .release-board__actions .btn {
    text-align: center;
    justify-content: center;
  }

  .page-products .flow-list__item {
    padding-left: 46px;
  }

  .page-products .log-item > summary {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 6px;
  }

  .page-products .log-item__toggle {
    grid-column: 2;
  }

  .page-products .log-item__body {
    padding-left: 4px;
  }

  .page-products .spec-row__halo {
    top: -18%;
    right: -6%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .release-board__actions .btn::after {
    display: none;
  }
  .page-products .timeline {
    scroll-snap-type: none;
  }
  .page-products .timeline__node,
  .page-products .trouble-list__item {
    transition: none;
  }
}