.page-products {
  --prod-gold-line: rgba(201, 162, 39, 0.28);
  --prod-gold-line-soft: rgba(201, 162, 39, 0.12);
  --prod-cream-70: rgba(246, 240, 226, 0.72);
  --prod-cream-50: rgba(246, 240, 226, 0.5);
  background: var(--sd-ink);
  color: var(--sd-cream);
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products .prod-shell {
  width: 100%;
  max-width: calc(var(--sd-shell) + var(--sd-pad) * 2);
  margin-inline: auto;
  padding-inline: var(--sd-pad);
}

.page-products .prod-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .prod-mono {
  font-family: var(--sd-font-mono);
  letter-spacing: 0.03em;
}

/* ---------- 面包屑 ---------- */
.page-products .prod-crumbs {
  padding-top: clamp(10px, 2vw, 18px);
}

.page-products .prod-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--sd-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--prod-cream-50);
}

.page-products .prod-crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--prod-gold-line);
}

.page-products .prod-crumbs__list a {
  color: var(--prod-cream-50);
  text-decoration: none;
  transition: color 0.25s var(--sd-ease);
}

.page-products .prod-crumbs__list a:hover,
.page-products .prod-crumbs__list a:focus-visible {
  color: var(--sd-gold-soft);
}

.page-products .prod-crumbs__list [aria-current="page"] {
  color: var(--sd-gold);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding-bottom: clamp(52px, 7vw, 92px);
  background:
    radial-gradient(130% 95% at 88% -5%, rgba(201, 162, 39, 0.16), transparent 62%),
    radial-gradient(90% 75% at 0% 105%, rgba(63, 140, 128, 0.2), transparent 66%),
    var(--sd-ink);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sd-gold-line), transparent);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 48px);
  margin-top: clamp(26px, 5vw, 54px);
}

.page-products .prod-eyebrow {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--sd-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sd-gold);
}

.page-products .prod-hero__title {
  display: flex;
  flex-direction: column;
  margin: 0;
  font-family: var(--sd-font-display);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 0.96;
}

.page-products .prod-hero__t1 {
  display: block;
  font-size: clamp(38px, 8.4vw, 108px);
  color: var(--sd-cream);
}

.page-products .prod-hero__t2 {
  display: block;
  margin-top: 0.12em;
  font-size: clamp(26px, 4.6vw, 54px);
  letter-spacing: 0.04em;
  color: var(--sd-gold-soft);
}

.page-products .prod-hero__t2::before {
  content: "";
  display: inline-block;
  width: clamp(26px, 5vw, 64px);
  height: 3px;
  margin-right: 0.4em;
  vertical-align: 0.28em;
  background: var(--sd-red);
  border-radius: 2px;
}

.page-products .prod-hero__lede {
  max-width: 48ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--prod-cream-70);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}

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

.page-products .sd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--sd-font-display);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s var(--sd-ease), background-color 0.25s var(--sd-ease), color 0.25s var(--sd-ease), border-color 0.25s var(--sd-ease);
}

.page-products .sd-btn:hover,
.page-products .sd-btn:focus-visible {
  transform: translateY(-2px);
}

.page-products .sd-btn--gold {
  background: var(--sd-gold);
  color: var(--sd-charcoal);
}

.page-products .sd-btn--gold:hover,
.page-products .sd-btn--gold:focus-visible {
  background: var(--sd-gold-soft);
}

.page-products .sd-btn--ghost {
  background: transparent;
  color: var(--sd-cream);
  border-color: var(--prod-gold-line);
}

.page-products .sd-btn--ghost:hover,
.page-products .sd-btn--ghost:focus-visible {
  border-color: var(--sd-gold);
  color: var(--sd-gold-soft);
}

.page-products .prod-hero__panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-self: end;
  border: 1px solid var(--prod-gold-line);
  border-radius: var(--sd-radius-l);
  background: linear-gradient(165deg, rgba(27, 91, 75, 0.55), rgba(11, 46, 39, 0.85));
  overflow: hidden;
}

.page-products .prod-stat {
  padding: clamp(16px, 2.4vw, 24px);
  border-right: 1px solid var(--prod-gold-line-soft);
  border-bottom: 1px solid var(--prod-gold-line-soft);
}

.page-products .prod-stat:nth-child(2n) {
  border-right: 0;
}

.page-products .prod-stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-products .prod-stat__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--sd-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--prod-cream-50);
}

.page-products .prod-stat__v {
  display: block;
  font-family: var(--sd-font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--sd-gold-soft);
}

/* ---------- 章节通用 ---------- */
.page-products .prod-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-products .prod-h2 {
  margin: 0 0 12px;
  font-family: var(--sd-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: var(--sd-cream);
}

.page-products .prod-h3 {
  margin: 0 0 8px;
  font-family: var(--sd-font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.3;
  color: var(--sd-cream);
}

.page-products .prod-desc {
  margin: 0;
  color: var(--prod-cream-70);
  font-size: clamp(14.5px, 1.4vw, 16.5px);
  line-height: 1.85;
}

.page-products .prod-inline {
  color: var(--sd-gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--prod-gold-line);
  transition: color 0.25s var(--sd-ease), border-color 0.25s var(--sd-ease);
}

.page-products .prod-inline:hover,
.page-products .prod-inline:focus-visible {
  color: var(--sd-cream);
  border-color: var(--sd-cream);
}

/* ---------- 能力 ---------- */
.page-products .prod-cap {
  padding-block: clamp(48px, 6.5vw, 92px);
  scroll-margin-top: calc(var(--sd-head-h) + 24px);
}

.page-products .prod-cap__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .prod-cap__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-cap__item {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 28px);
  border-left: 2px solid var(--prod-gold-line);
  background: linear-gradient(100deg, rgba(27, 91, 75, 0.55), rgba(18, 69, 58, 0.18));
  border-radius: 0 var(--sd-radius-m) var(--sd-radius-m) 0;
  transition: transform 0.3s var(--sd-ease), border-color 0.3s var(--sd-ease), background-color 0.3s var(--sd-ease);
}

.page-products .prod-cap__item:hover {
  transform: translateX(4px);
  border-left-color: var(--sd-gold);
}

.page-products .prod-cap__num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--sd-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sd-gold);
}

.page-products .prod-cap__text {
  margin: 0;
  color: var(--prod-cream-70);
  font-size: 15px;
  line-height: 1.78;
}

.page-products .prod-cap__media {
  margin: 0;
  border: 1px solid var(--prod-gold-line);
  border-radius: var(--sd-radius-l);
  overflow: hidden;
  background: var(--sd-ink-2);
}

.page-products .prod-cap__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-cap__note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding-left: clamp(16px, 2.4vw, 22px);
  border-left: 2px solid var(--sd-red);
  color: var(--prod-cream-70);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 对照带 ---------- */
.page-products .prod-band {
  border-block: 1px solid var(--prod-gold-line-soft);
  background-color: var(--sd-ink-2);
  background-image: repeating-linear-gradient(90deg, rgba(201, 162, 39, 0.08) 0 1px, transparent 1px 96px);
  padding-block: clamp(48px, 6.5vw, 92px);
  scroll-margin-top: calc(var(--sd-head-h) + 24px);
}

.page-products .prod-compare__visual {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
  border: 1px solid var(--prod-gold-line);
  border-radius: var(--sd-radius-l);
  overflow: hidden;
}

.page-products .prod-compare__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: clamp(14px, 2.2vw, 22px);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-tabs::-webkit-scrollbar {
  height: 4px;
}

.page-products .prod-tabs::-webkit-scrollbar-thumb {
  background: var(--prod-gold-line);
  border-radius: 4px;
}

.page-products .prod-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--prod-gold-line);
  background: rgba(11, 46, 39, 0.6);
  color: var(--prod-cream-70);
  font-family: var(--sd-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.25s var(--sd-ease), color 0.25s var(--sd-ease), border-color 0.25s var(--sd-ease);
}

.page-products .prod-tab:hover,
.page-products .prod-tab:focus-visible {
  background: var(--sd-gold);
  border-color: var(--sd-gold);
  color: var(--sd-charcoal);
}

.page-products .prod-scroll-hint {
  margin: 0 0 10px;
  font-family: var(--sd-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--prod-cream-50);
}

.page-products .prod-table-scroll {
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--prod-gold-line);
  border-radius: var(--sd-radius-m);
  background: rgba(11, 46, 39, 0.55);
}

.page-products .prod-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .prod-table thead th {
  padding: 14px 16px;
  background: var(--sd-ink-3);
  border-bottom: 1px solid var(--prod-gold-line);
  color: var(--sd-cream);
  font-family: var(--sd-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: left;
  white-space: nowrap;
}

.page-products .prod-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  padding: 16px;
  background: var(--sd-ink-2);
  border-right: 1px solid var(--prod-gold-line-soft);
  border-bottom: 1px solid var(--prod-gold-line-soft);
  color: var(--sd-cream);
  font-family: var(--sd-font-display);
  font-size: 14.5px;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}

.page-products .prod-table tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--prod-gold-line-soft);
  color: var(--prod-cream-70);
  line-height: 1.6;
  vertical-align: top;
}

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

.page-products .prod-table tbody tr:target th,
.page-products .prod-table tbody tr:target td {
  background-color: rgba(201, 162, 39, 0.14);
}

.page-products .prod-vol {
  color: var(--sd-gold-soft);
  font-weight: 600;
}

.page-products .prod-table tbody tr {
  scroll-margin-top: calc(var(--sd-head-h) + 32px);
}

.page-products .prod-compare__tip {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 70ch;
  color: var(--prod-cream-70);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 下载 ---------- */
.page-products .prod-dl {
  padding-block: clamp(48px, 6.5vw, 92px);
  scroll-margin-top: calc(var(--sd-head-h) + 24px);
}

.page-products .prod-dl__card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--prod-gold-line);
  border-radius: var(--sd-radius-l);
  background: linear-gradient(150deg, rgba(27, 91, 75, 0.68), rgba(11, 46, 39, 0.9));
}

.page-products .prod-dl__media {
  position: relative;
  min-height: 220px;
  margin: 0;
  overflow: hidden;
}

.page-products .prod-dl__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .prod-steps {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  margin: 0;
  padding: clamp(22px, 4vw, 40px);
  list-style: none;
}

.page-products .prod-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 18px);
  align-items: start;
  padding-bottom: clamp(16px, 2.4vw, 22px);
  border-bottom: 1px dashed var(--prod-gold-line-soft);
}

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

.page-products .prod-step__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--sd-gold);
  color: var(--sd-charcoal);
  font-family: var(--sd-font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.page-products .prod-step__text {
  margin: 0;
  color: var(--prod-cream-70);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-dl__help {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  color: var(--prod-cream-70);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 版本时间线 ---------- */
.page-products .prod-timeline {
  padding-block: clamp(48px, 6.5vw, 92px);
  border-top: 1px solid var(--prod-gold-line-soft);
  background: linear-gradient(180deg, rgba(18, 69, 58, 0.4), rgba(11, 46, 39, 0));
}

.page-products .prod-timeline__bg {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--sd-radius-m);
  overflow: hidden;
  opacity: 0.85;
}

.page-products .prod-timeline__bg img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-tl {
  --tl-pad: clamp(20px, 3vw, 32px);
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  margin: 0;
  padding: 0 0 0 var(--tl-pad);
  list-style: none;
  border-left: 1px solid var(--prod-gold-line);
}

.page-products .prod-tl__item {
  position: relative;
  max-width: 62ch;
}

.page-products .prod-tl__item::before {
  content: "";
  position: absolute;
  top: 7px;
  left: calc(-1 * var(--tl-pad) - 6px);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--sd-ink);
  border: 2px solid var(--sd-gold);
}

.page-products .prod-tl__item--now::before {
  background: var(--sd-red);
  border-color: var(--sd-red);
}

.page-products .prod-tl__year {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--sd-gold);
}

.page-products .prod-tl__item--now .prod-tl__year {
  color: var(--sd-red-soft);
}

/* ---------- 适用场景 ---------- */
.page-products .prod-use {
  padding-block: clamp(48px, 6.5vw, 92px);
}

.page-products .prod-use__grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .prod-use__card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--prod-gold-line-soft);
  border-radius: var(--sd-radius-m);
  background: linear-gradient(170deg, rgba(27, 91, 75, 0.42), rgba(11, 46, 39, 0.18));
  transition: transform 0.3s var(--sd-ease), border-color 0.3s var(--sd-ease);
}

.page-products .prod-use__card:hover {
  transform: translateY(-3px);
  border-color: var(--prod-gold-line);
}

.page-products .prod-use__card .prod-inline {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
}

.page-products .prod-use__media {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  border-radius: var(--sd-radius-l);
  overflow: hidden;
  border: 1px solid var(--prod-gold-line-soft);
}

.page-products .prod-use__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 结尾行动区 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--sd-radius-l);
  background: linear-gradient(120deg, var(--sd-gold) 0%, #b08d1e 100%);
}

.page-products .prod-cta__title {
  margin: 0;
  font-family: var(--sd-font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--sd-charcoal);
}

.page-products .prod-cta__text {
  margin: 0;
  max-width: 62ch;
  color: rgba(15, 23, 20, 0.82);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 2px solid var(--sd-ink);
  background: var(--sd-ink);
  color: var(--sd-cream);
  font-family: var(--sd-font-display);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.25s var(--sd-ease), background-color 0.25s var(--sd-ease), color 0.25s var(--sd-ease);
}

.page-products .prod-cta__btn:hover,
.page-products .prod-cta__btn:focus-visible {
  transform: translateY(-2px);
  background: var(--sd-charcoal);
}

.page-products .prod-cta__btn--line {
  background: transparent;
  color: var(--sd-charcoal);
}

.page-products .prod-cta__btn--line:hover,
.page-products .prod-cta__btn--line:focus-visible {
  background: rgba(15, 23, 20, 0.12);
  color: var(--sd-charcoal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-use__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 68px);
  }

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

  .page-products .prod-dl__card {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

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

  .page-products .prod-scroll-hint {
    display: none;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-products .prod-cta__title,
  .page-products .prod-cta__text {
    grid-column: 1;
  }

  .page-products .prod-cta__links {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-products .prod-cap__media {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .page-products .sd-btn:hover,
  .page-products .prod-cap__item:hover,
  .page-products .prod-use__card:hover,
  .page-products .prod-cta__btn:hover {
    transform: none;
  }
}