.page-products {
  --prod-line: var(--line);
  --prod-cut: 14px;
  overflow-x: clip;
}

.page-products .breadcrumb {
  padding-block: clamp(1rem, 3vw, 1.8rem) 0;
  font-size: 0.82rem;
}

/* ---------- Hero ---------- */
.page-products .prod-hero {
  position: relative;
  padding-block: clamp(1.6rem, 5vw, 3.4rem) clamp(2rem, 6vw, 4rem);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: -10% 40% 40% -20%;
  background: radial-gradient(closest-side, rgba(37, 224, 212, 0.16), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-products .prod-hero__copy h1 {
  margin: 0.4em 0 0.7em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-products .prod-hero__copy .hl {
  color: var(--cyan);
  display: inline-block;
}

.page-products .prod-hero__copy .lede {
  max-width: 60ch;
}

.page-products .prod-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.8rem, 2vw, 1.6rem);
  margin-top: clamp(1.4rem, 4vw, 2.4rem);
  padding-top: clamp(1rem, 3vw, 1.6rem);
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-hero__metrics .metric {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-products .prod-hero__metrics .metric__value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  line-height: 1;
  color: var(--cyan);
}

.page-products .metric__value em.metric__unit {
  font-style: normal;
  font-size: 0.55em;
  margin-left: 0.08em;
  color: var(--cyan-soft);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.3rem, 4vw, 2rem);
}

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

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .media-frame {
  background: linear-gradient(150deg, var(--space-800), var(--panel));
  border: 1px solid var(--prod-line);
  clip-path: polygon(0 0, calc(100% - var(--prod-cut)) 0, 100% var(--prod-cut), 100% 100%, var(--prod-cut) 100%, 0 calc(100% - var(--prod-cut)));
  overflow: hidden;
}

.page-products .media-frame__caption {
  display: block;
  padding: 0.7rem 1rem 0.85rem;
  font-size: 0.78rem;
  color: var(--slate);
  line-height: 1.6;
}

/* ---------- 索引条 ---------- */
.page-products .prod-index-bar {
  position: sticky;
  top: 0;
  z-index: 6;
  padding-block: 0.85rem;
  background: rgba(8, 19, 31, 0.92);
  backdrop-filter: blur(10px);
  border-block: 1px solid var(--prod-line);
}

.page-products .prod-index-bar__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  margin-bottom: 0.6rem;
}

.page-products .prod-index-bar__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .prod-index-bar__head .aside-note {
  font-size: 0.76rem;
}

.page-products .prod-index-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 0.25rem;
}

.page-products .prod-index-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  padding: 0.42rem 0.85rem 0.42rem 0.7rem;
  font-size: 0.86rem;
  color: var(--ceramic);
  text-decoration: none;
  background: var(--space-800);
  border: 1px solid var(--prod-line);
  border-left: 3px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-products .prod-index-link__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate);
}

.page-products .prod-index-link:hover,
.page-products .prod-index-link:focus-visible {
  color: var(--cyan-soft);
  border-left-color: var(--amber);
  background: var(--panel);
  transform: translateX(3px);
  outline: none;
}

/* ---------- 章节通用 ---------- */
.page-products .prod-section {
  padding-block: clamp(2.4rem, 7vw, 5rem);
  position: relative;
}

.page-products .prod-section--alt {
  background: linear-gradient(180deg, transparent, rgba(15, 33, 51, 0.62) 12%, rgba(15, 33, 51, 0.62) 88%, transparent);
}

.page-products .section-head {
  display: grid;
  gap: 0.4rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.6rem);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2.3rem);
  line-height: 1.2;
  margin: 0;
}

.page-products .section-note {
  color: var(--amber);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  margin: 0;
}

/* ---------- 01 类型 ---------- */
.page-products .prod-types {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-type {
  padding-block: clamp(1.1rem, 3vw, 1.7rem);
  border-bottom: 1px solid var(--prod-line);
  display: grid;
  gap: 0.7rem;
  position: relative;
}

.page-products .prod-type::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  border-top: 12px solid var(--cyan);
  border-right: 12px solid transparent;
  opacity: 0;
  transition: opacity var(--speed) var(--ease);
}

.page-products .prod-type:hover::before {
  opacity: 0.75;
}

.page-products .prod-type__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-products .prod-type h3 {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
}

.page-products .prod-type p {
  margin: 0;
  color: var(--ceramic);
  opacity: 0.86;
  line-height: 1.75;
  max-width: 62ch;
}

.page-products .prod-type__facts {
  margin: 0.2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.4rem 1.2rem;
}

.page-products .prod-type__facts > div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-products .prod-type__facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .prod-type__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-soft);
}

.page-products .prod-types__aside {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  padding: clamp(1.1rem, 3vw, 1.7rem);
}

.page-products .prod-types__aside h3 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  color: var(--amber);
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  counter-reset: none;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ceramic);
  opacity: 0.88;
}

.page-products .prod-steps__n {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--space-900);
  background: var(--cyan);
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

/* ---------- 02 厂商 ---------- */
.page-products .prod-vendor__main {
  display: grid;
  gap: 1.2rem;
}

.page-products .prod-vendor__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-vendor__list li {
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-vendor__list h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  color: var(--cyan-soft);
}

.page-products .prod-vendor__list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ceramic);
  opacity: 0.84;
}

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

.page-products .prod-vendor__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

/* ---------- 03 结算 ---------- */
.page-products .prod-settle {
  align-items: start;
}

.page-products .prod-settle__copy {
  display: grid;
  gap: 1rem;
}

.page-products .prod-settle__copy p {
  margin: 0;
  line-height: 1.78;
  color: var(--ceramic);
  opacity: 0.86;
}

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

.page-products .prod-settle__viz {
  display: grid;
  gap: 0.9rem;
}

.page-products .prod-settle__viz .media-frame {
  margin: 0;
}

.page-products .prod-settle__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  font-size: 0.8rem;
  color: var(--slate);
}

.page-products .prod-settle__legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-products .dot {
  width: 0.7rem;
  height: 0.7rem;
  display: inline-block;
  transform: skewX(-18deg);
}

.page-products .dot--cyan { background: var(--cyan); }
.page-products .dot--amber { background: var(--amber); }
.page-products .dot--moss { background: var(--moss); }

.page-products .prod-settle__table {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .tag--cyanless {
  background: rgba(37, 224, 212, 0.14);
  color: var(--cyan-soft);
  border-color: rgba(37, 224, 212, 0.4);
}

/* ---------- 04 明细 ---------- */
.page-products .prod-records {
  align-items: start;
}

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

.page-products .prod-records__copy {
  display: grid;
  gap: 1rem;
}

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

.page-products .prod-records__fields .index-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.85rem;
  align-items: baseline;
}

.page-products .prod-records__fields .index-item__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--amber);
}

.page-products .prod-records__fields .index-item__title {
  font-size: 0.95rem;
  color: var(--ceramic);
}

.page-products .prod-records__fields .index-item__meta {
  grid-column: 2;
  font-size: 0.82rem;
  color: var(--slate);
}

/* ---------- 05 试玩 ---------- */
.page-products .prod-trial__copy {
  display: grid;
  gap: 1.1rem;
}

.page-products .prod-latency {
  display: grid;
  gap: 0.7rem;
  padding: clamp(0.9rem, 2.5vw, 1.3rem);
  background: var(--space-800);
  border-left: 3px solid var(--cyan);
}

.page-products .prod-latency__row {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  align-items: center;
  gap: 0.7rem;
}

.page-products .prod-latency__name {
  font-size: 0.8rem;
  color: var(--ceramic);
  opacity: 0.85;
}

.page-products .prod-latency__bar {
  position: relative;
  display: block;
  height: 1.35rem;
  width: 100%;
  background: rgba(92, 110, 126, 0.16);
}

.page-products .prod-latency__bar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w, 40%);
  transition: width 0.9s var(--ease);
}

.page-products .prod-latency__bar--cool::before {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-products .prod-latency__bar--warm::before {
  background: linear-gradient(90deg, var(--terracotta), var(--amber));
}

.page-products .prod-latency__val {
  position: relative;
  z-index: 1;
  padding-left: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.35rem;
  color: var(--ink);
}

.page-products .prod-trial__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
  border-top: 1px solid var(--prod-line);
  padding-top: 1rem;
}

.page-products .prod-trial__points li {
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--ceramic);
  opacity: 0.86;
  padding-left: 1rem;
  position: relative;
}

.page-products .prod-trial__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 2px;
  background: var(--amber);
  transform: skewX(-24deg);
}

.page-products .prod-trial__points strong {
  color: var(--cyan-soft);
}

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

.page-products .prod-accordion {
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  border-top: 1px solid var(--prod-line);
}

/* ---------- CTA ---------- */
.page-products .prod-cta {
  margin-top: clamp(2rem, 6vw, 4rem);
  padding-block: clamp(2.2rem, 6vw, 3.6rem);
  background: linear-gradient(120deg, rgba(37, 224, 212, 0.12), rgba(245, 178, 60, 0.1));
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-cta__inner {
  display: grid;
  gap: 1.2rem;
}

.page-products .prod-cta__text h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 2rem);
  line-height: 1.25;
}

.page-products .prod-cta__text p {
  margin: 0;
  max-width: 62ch;
  line-height: 1.78;
  color: var(--ceramic);
  opacity: 0.88;
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 侧边索引 ---------- */
.page-products .side-rail {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .section-head {
    grid-template-columns: auto 1fr auto;
    align-items: baseline;
    gap: 0.9rem;
  }

  .page-products .section-head .section-note {
    text-align: right;
  }

  .page-products .prod-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 6.2fr) minmax(0, 4.2fr);
    align-items: center;
    gap: clamp(1.8rem, 4vw, 3.4rem);
  }

  .page-products .prod-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.4rem, 4vw, 2.8rem);
  }

  .page-products .prod-type {
    padding-inline: 0.9rem;
  }

  .page-products .prod-latency__row {
    grid-template-columns: 5.8rem 1fr;
  }
}

@media (min-width: 1200px) {
  .page-products .side-rail {
    display: block;
    position: fixed;
    left: max(0.7rem, calc((100vw - var(--shell)) / 2 - 8.5rem));
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
  }

  .page-products .side-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.35rem;
  }

  .page-products .side-rail__link {
    display: block;
    padding: 0.24rem 0.5rem 0.24rem 0.65rem;
    font-size: 0.74rem;
    color: var(--slate);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
    white-space: nowrap;
  }

  .page-products .side-rail__link:hover,
  .page-products .side-rail__link[aria-current="true"] {
    color: var(--cyan);
    border-left-color: var(--amber);
  }
}

@media (max-width: 899px) {
  .page-products .prod-hero__metrics {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .page-products .prod-latency__row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .page-products .prod-latency__val {
    padding-left: 0.5rem;
  }
}

@media (max-width: 520px) {
  .page-products .prod-index-bar__list {
    gap: 0.35rem;
  }

  .page-products .prod-index-link {
    font-size: 0.78rem;
    padding: 0.36rem 0.62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-latency__bar::before {
    transition: none;
  }
}

.page-products {
  --w: 1rem;
}