.page-products {
  --pp-cut: 22px;
  --pp-card: rgba(14, 42, 71, 0.66);
  --pp-gap: clamp(1.25rem, 2.8vw, 2rem);
  background: linear-gradient(180deg, var(--deep) 0%, #081c30 55%, var(--ink) 100%);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products [id] {
  scroll-margin-top: 6rem;
}

.page-products .prod-hero,
.page-products .prod-lines,
.page-products .prod-fee,
.page-products .prod-versions,
.page-products .prod-compat,
.page-products .prod-cycle,
.page-products .prod-get {
  position: relative;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.page-products h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.45rem 0 0;
}

.page-products h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-products h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.3;
  margin: 0;
}

.page-products .prod-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.7rem;
}

.page-products .prod-head {
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-products .prod-head__lede {
  margin: 0.85rem 0 0;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.75;
  color: var(--steel-2);
  max-width: 60ch;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(2.25rem, 5vw, 4rem);
  background:
    radial-gradient(120% 80% at 88% -10%, rgba(47, 230, 214, 0.18), transparent 58%),
    radial-gradient(90% 70% at -10% 110%, rgba(108, 92, 231, 0.18), transparent 60%),
    linear-gradient(180deg, var(--deep), var(--navy) 78%, #081c30);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  left: 55%;
  bottom: -30%;
  width: 70%;
  height: 70%;
  border-top: 1px solid var(--line-cyan);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-products .crumbs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--steel);
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

.page-products .crumbs a {
  color: var(--steel-2);
  text-decoration: none;
}

.page-products .crumbs a:hover {
  color: var(--cyan);
}

.page-products .crumbs .crumbs__sep {
  color: var(--line-cyan);
}

.page-products .prod-hero__layout {
  position: relative;
  display: grid;
  gap: var(--pp-gap);
  align-items: stretch;
}

.page-products .prod-hero__card {
  padding: clamp(1.25rem, 3vw, 2.25rem);
  background: linear-gradient(155deg, rgba(4, 16, 28, 0.82), rgba(14, 42, 71, 0.5));
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .prod-hero__lede {
  margin: 1rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
  color: var(--steel-2);
  max-width: 48ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-products .prod-index {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 1rem;
}

.page-products .prod-index a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.4rem 0;
  font-size: 0.85rem;
  color: var(--steel-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .prod-index a span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .prod-index a:hover {
  color: var(--mist);
  border-color: var(--line-cyan);
}

.page-products .prod-hero__figure {
  margin: 0;
  align-self: stretch;
}

.page-products .prod-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line-cyan);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--pp-cut));
}

/* ---------- 六条产品线 ---------- */
.page-products .prod-lines {
  background: linear-gradient(180deg, #081c30, rgba(14, 42, 71, 0.32));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .prod-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.6rem;
  background: linear-gradient(160deg, var(--pp-card), rgba(7, 26, 43, 0.88));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, 0 100%);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .prod-card:hover {
  transform: translateY(-0.2rem);
  border-color: rgba(47, 230, 214, 0.5);
}

.page-products .prod-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--cyan);
  opacity: 0.9;
  margin-bottom: 0.9rem;
}

.page-products .prod-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.55rem;
}

.page-products .prod-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-products .prod-card__meta {
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.8rem;
  font-size: 0.8rem;
}

.page-products .prod-card__meta dt {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-products .prod-card__meta dd {
  margin: 0;
  color: var(--steel);
  line-height: 1.6;
}

/* ---------- 费用 ---------- */
.page-products .prod-fee {
  background: linear-gradient(180deg, var(--navy), #0a2138 60%, var(--deep));
}

.page-products .prod-fee__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-fee__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-cyan);
  background: rgba(4, 16, 28, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .fee-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .fee-table caption {
  caption-side: top;
  text-align: left;
  padding: 0.95rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .fee-table th,
.page-products .fee-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .fee-table thead th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(47, 230, 214, 0.07);
  white-space: nowrap;
}

.page-products .fee-table tbody th {
  font-weight: 600;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .fee-table tbody th small {
  display: block;
  margin-top: 0.2rem;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--steel);
}

.page-products .fee-table td {
  color: var(--steel-2);
}

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

.page-products .fee-table__row {
  display: inline;
}

.page-products .prod-fee__aside {
  display: grid;
  gap: 1.1rem;
  align-content: start;
  padding: 1.25rem;
  background: rgba(7, 26, 43, 0.72);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, 0 100%);
}

.page-products .prod-fee__figure {
  margin: 0;
}

.page-products .prod-fee__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

.page-products .fee-scale {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  padding-top: 0.9rem;
}

.page-products .fee-scale::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0.35rem;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--teal), var(--coral));
}

.page-products .fee-scale__mark {
  position: relative;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--steel-2);
}

.page-products .fee-scale__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -0.62rem;
  width: 1px;
  height: 0.5rem;
  background: var(--cyan);
}

.page-products .prod-fee__note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--steel-2);
}

.page-products .prod-fee__aside .btn {
  justify-self: start;
}

/* ---------- 版本线 ---------- */
.page-products .prod-versions {
  background: linear-gradient(180deg, var(--deep), #0b2237);
}

.page-products .prod-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.15rem;
}

.page-products .prod-tabs__bar .tabs__btn {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.05rem;
  color: var(--steel-2);
  background: rgba(14, 42, 71, 0.6);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-products .prod-tabs__bar .tabs__btn:hover {
  color: var(--mist);
  border-color: var(--line-cyan);
}

.page-products .prod-tabs__bar .tabs__btn[aria-selected="true"] {
  color: var(--mist);
  background: rgba(0, 191, 166, 0.18);
  border-color: var(--teal);
}

.page-products .prod-tabs__panel {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.15rem, 2.6vw, 1.9rem);
  background: rgba(7, 26, 43, 0.58);
  border: 1px solid var(--line);
  border-top: 2px solid var(--teal);
}

.page-products .prod-tabs__panel h3 {
  font-size: 1.25rem;
}

.page-products .prod-tabs__panel p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--steel-2);
}

.page-products .prod-tick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--steel-2);
}

.page-products .prod-tick li {
  position: relative;
  padding-left: 1.15rem;
  line-height: 1.65;
}

.page-products .prod-tick li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .prod-versions__figure {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
}

.page-products .prod-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

.page-products .prod-versions__figure figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 浏览器适配 ---------- */
.page-products .prod-compat {
  background: var(--deep);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-compat__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .prod-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-steps li > *:nth-child(1) {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.page-products .prod-steps li > *:nth-child(2) {
  grid-column: 2;
  grid-row: 1;
  margin-bottom: 0.3rem;
}

.page-products .prod-steps li > *:nth-child(3) {
  grid-column: 2;
  grid-row: 2;
}

.page-products .prod-steps__num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 0.15rem;
}

.page-products .prod-steps h3 {
  font-size: 1rem;
}

.page-products .prod-steps p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-products .prod-compat__figure {
  margin: 0;
}

.page-products .prod-compat__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, 0 100%);
}

.page-products .prod-folds {
  display: grid;
  gap: 0.7rem;
  margin-top: clamp(1.35rem, 3vw, 2rem);
}

.page-products .prod-fold {
  border: 1px solid var(--line);
  background: rgba(7, 26, 43, 0.52);
}

.page-products .prod-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-fold summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 1.1rem;
  line-height: 1;
}

.page-products .prod-fold[open] summary::after {
  content: "–";
}

.page-products .prod-fold__body {
  padding: 0 1.15rem 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--steel-2);
}

.page-products .prod-fold__body p {
  margin: 0;
}

/* ---------- 收藏周期 ---------- */
.page-products .prod-cycle {
  background: linear-gradient(180deg, #0a2138, var(--deep));
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-cycle__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .prod-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-flow li {
  position: relative;
  padding: 1.05rem 0 1.05rem 3.4rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-flow li:last-child {
  border-bottom: 0;
}

.page-products .prod-flow li::before {
  content: "";
  position: absolute;
  left: 1.5rem;
  top: 2.7rem;
  bottom: -0.3rem;
  width: 1px;
  background: linear-gradient(180deg, var(--line-cyan), transparent);
  transform: skewX(-14deg);
}

.page-products .prod-flow li:last-child::before {
  display: none;
}

.page-products .prod-flow__num {
  position: absolute;
  left: 0;
  top: 1.05rem;
  padding: 0.16rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--coral);
  border: 1px solid rgba(255, 107, 74, 0.45);
}

.page-products .prod-flow h3 {
  font-size: 1.02rem;
  margin-bottom: 0.3rem;
}

.page-products .prod-flow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-products .prod-cycle__figure {
  margin: 0;
}

.page-products .prod-cycle__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

/* ---------- 获取步骤 ---------- */
.page-products .prod-get {
  background: linear-gradient(180deg, var(--deep), var(--ink));
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-get__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-products .prod-get__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1.15rem 1.15rem 1.2rem;
  background: rgba(14, 42, 71, 0.5);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .prod-get__num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  color: var(--teal);
  padding-top: 0.12rem;
}

.page-products .prod-get__item h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.page-products .prod-get__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-products .prod-get__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.35rem, 3vw, 2rem);
}

.page-products .prod-get__hint {
  margin: 1.15rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .prod-get__hint a {
  color: var(--steel-2);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(47, 230, 214, 0.5);
}

.page-products .prod-get__hint a:hover {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .prod-get__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-products .prod-hero__layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-products .prod-hero__figure img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 340px;
  }

  .page-products .prod-fee__grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.62fr);
    align-items: start;
  }

  .page-products .prod-compat__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .prod-cycle__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-card:nth-child(2),
  .page-products .prod-card:nth-child(5) {
    margin-top: 1.6rem;
  }

  .page-products .prod-card:nth-child(3),
  .page-products .prod-card:nth-child(6) {
    margin-top: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-card,
  .page-products .prod-index a,
  .page-products .prod-tabs__bar .tabs__btn {
    transition: none;
  }

  .page-products .prod-card:hover {
    transform: none;
  }
}