.page-products {
  --pd-amber-soft: rgba(233, 162, 59, .16);
  --pd-cyan-soft: rgba(47, 227, 206, .13);
  --pd-red-soft: rgba(232, 71, 60, .16);
  --pd-yellow-soft: rgba(243, 213, 60, .16);
  --pd-band-gap: 18px;
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding-top: 26px;
  padding-bottom: 44px;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line);
}

.page-products .prod-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--bone);
  max-width: 20ch;
}

.page-products .prod-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .prod-hero__plates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.page-products .prod-hero__plates .plate {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
}

.page-products .prod-hero__plates .plate__value {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone);
  word-break: break-word;
}

.page-products .prod-hero__plates .plate--amber {
  border-color: var(--amber);
}

.page-products .prod-hero__plates .plate--amber .plate__value {
  color: var(--amber);
}

/* ---------- 通用小节 ---------- */

.page-products .section-head {
  max-width: 62ch;
}

.page-products .prod-lede {
  margin-top: 14px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .section--bone .prod-lede,
.page-products .section--bone .section-head h2 {
  color: var(--ink-950);
}

/* ---------- 主题筛选 ---------- */

.page-products .theme-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .theme-filter__btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 9px 14px;
  color: var(--stone);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-products .theme-filter__btn:hover {
  color: var(--bone);
  border-color: var(--stone);
}

.page-products .theme-filter__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .theme-filter__btn.is-active {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 横向卡片带 ---------- */

.page-products .mod-band {
  display: flex;
  gap: var(--pd-band-gap);
  padding: 22px 18px 30px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--line) transparent;
}

.page-products .mod-band::-webkit-scrollbar {
  height: 6px;
}

.page-products .mod-band::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .mod-card {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 18px;
  background: var(--ink-800);
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
  transition: border-color .2s ease, box-shadow .2s ease, opacity .2s ease, transform .2s ease;
}

.page-products .mod-card:hover {
  border-color: var(--cyan);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .5);
  transform: translate(3px, 3px);
}

.page-products .mod-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .mod-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  line-height: 1.25;
  color: var(--bone);
}

.page-products .mod-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--stone);
}

.page-products .mod-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-products .band__item.is-filter-in {
  animation: pd-rise .24s ease both;
}

@keyframes pd-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- 版本对照 ---------- */

.page-products .prod-figure {
  margin: 26px 0 0;
  border: 3px solid var(--line);
  background: var(--ink-800);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .media__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--stone);
}

.page-products .mirror {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .mirror__col {
  padding: 24px 20px 26px;
  background: var(--ink-900);
}

.page-products .mirror__col--b {
  background: var(--ink-800);
}

.page-products .mirror__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-950);
  background: var(--cyan);
}

.page-products .mirror__tag--amber {
  background: var(--amber);
}

.page-products .mirror__col h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 22px;
  line-height: 1.28;
  color: var(--bone);
}

.page-products .mirror__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .tick-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .tick-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-products .tick-list--amber li::before {
  background: var(--amber);
}

.page-products .tick-list--cyan li::before {
  background: var(--cyan);
}

.page-products .diff-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: var(--pd-amber-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

/* ---------- 筛选器 ---------- */

.page-products .prod-filter {
  border-top: 1px solid var(--line);
}

.page-products .spec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-products .spec-grid__table {
  overflow-x: auto;
}

.page-products .spec-grid__media,
.page-products .readout__media {
  margin: 0;
  border: 3px solid var(--line);
  background: var(--ink-800);
}

.page-products .spec-grid__media img,
.page-products .readout__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .readout {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px dashed var(--line);
}

.page-products .readout h3 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--bone);
}

.page-products .readout__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .readout__cell {
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  background: var(--pd-cyan-soft);
}

.page-products .readout__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-products .readout__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--stone);
}

.page-products .readout__media {
  margin-top: 24px;
}

/* ---------- 红黄牌记录 ---------- */

.page-products .card-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 26px;
}

.page-products .card-fields__text h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--bone);
}

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

.page-products .field-list > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 10px 14px;
  background: var(--ink-900);
}

.page-products .field-list > div:nth-child(even) {
  background: var(--moss);
}

.page-products .field-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
  align-self: center;
}

.page-products .field-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .card-fields__shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-products .card-fields__shots .media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--ink-800);
}

.page-products .card-fields__shots .media:first-child {
  box-shadow: inset 0 0 0 2px var(--pd-red-soft);
}

.page-products .card-fields__shots .media:last-child {
  box-shadow: inset 0 0 0 2px var(--pd-yellow-soft);
}

.page-products .card-fields__shots img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-products .card-fields__shots .media__cap {
  display: block;
  padding: 10px 12px;
  font-size: 11px;
  line-height: 1.5;
}

/* ---------- 导出 ---------- */

.page-products .export {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-products .export h3 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--bone);
}

.page-products .export__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .export__fmt {
  padding: 18px 18px 16px;
  border: 3px solid var(--line);
  background: var(--ink-900);
  box-shadow: var(--shadow-soft);
}

.page-products .export__fmt--cyan {
  border-top-color: var(--cyan);
}

.page-products .export__fmt--amber {
  border-top-color: var(--amber);
}

.page-products .export__fmt--stone {
  border-top-color: var(--stone);
}

.page-products .export__name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: .04em;
  color: var(--bone);
}

.page-products .export__fmt--amber .export__name {
  color: var(--amber);
}

.page-products .export__use {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--stone);
}

.page-products .export__meta {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-products .export__notes {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .export__notes p {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .export__notes strong {
  color: var(--bone);
  font-weight: 600;
}

.page-products .export__cta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

/* ---------- 更新流程 ---------- */

.page-products .cycle {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .cycle__step {
  padding: 20px 20px 22px;
  background: var(--ink-950);
}

.page-products .cycle__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-products .cycle__step h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--bone);
}

.page-products .cycle__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--stone);
}

.page-products .cycle__foot {
  margin: 22px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 工作流示意图 ---------- */

.page-products .flow-map {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 26px;
  overflow: visible;
}

.page-products .flow-map__row {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  fill: var(--amber);
}

.page-products .flow-map__box {
  fill: var(--ink-800);
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .flow-map__box--amber {
  stroke: var(--amber);
}

.page-products .flow-map__txt {
  font-family: var(--font-mono);
  font-size: 14px;
  fill: var(--bone);
}

.page-products .flow-map__line {
  stroke: var(--cyan);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
}

.page-products .flow-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-products .flow-notes__item {
  padding: 18px 18px 20px;
  border-left: 3px solid var(--cyan);
  background: var(--ink-800);
}

.page-products .flow-notes__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  color: var(--bone);
}

.page-products .flow-notes__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 交付与支持 ---------- */

.page-products .prod-deliver .section-head h2 {
  color: var(--ink-950);
}

.page-products .deliver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 26px;
  background: rgba(10, 21, 18, .18);
  border: 1px solid rgba(10, 21, 18, .18);
}

.page-products .deliver-col {
  padding: 22px 20px 24px;
  background: var(--bone);
}

.page-products .deliver-col:nth-child(2) {
  background: var(--ink-900);
}

.page-products .deliver-col h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--ink-950);
}

.page-products .deliver-col:nth-child(2) h3 {
  color: var(--bone);
}

.page-products .deliver-col .tick-list li {
  color: #3A4740;
}

.page-products .deliver-col:nth-child(2) .tick-list li {
  color: var(--stone);
}

.page-products .deliver-support {
  margin-top: 34px;
  padding: 24px 20px 26px;
  border: 3px solid var(--ink-950);
  background: var(--bone);
  box-shadow: var(--shadow-hard);
}

.page-products .deliver-support h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--ink-950);
}

.page-products .deliver-support p {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.74;
  color: #34413B;
}

.page-products .deliver-support a {
  color: var(--ink-950);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .deliver-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .deliver-support__links .btn--primary {
  color: var(--ink-950);
}

.page-products .deliver-support__links .btn--ghost {
  color: var(--ink-950);
  border-color: var(--ink-950);
}

.page-products .deliver-support__links .btn--ghost:hover {
  background: rgba(10, 21, 18, .08);
  color: var(--ink-950);
}

/* ---------- 显现动效 ---------- */

.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .4s ease, transform .4s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-products .prod-hero__plates {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

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

@media (min-width: 1024px) {
  .page-products .prod-hero {
    padding-top: 40px;
    padding-bottom: 64px;
  }

  .page-products .prod-hero__lead {
    font-size: 17px;
  }

  .page-products .mod-band {
    padding-left: max(18px, calc((100vw - var(--rail-w) - min(1180px, 100% - 36px)) / 2));
    padding-right: 60px;
    gap: 22px;
  }

  .page-products .mod-card {
    flex: 0 0 330px;
  }

  .page-products .mirror {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .mirror__col {
    padding: 30px 28px 32px;
  }

  .page-products .spec-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-products .card-fields {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

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

  .page-products .readout__cols {
    gap: 22px;
  }

  .page-products .deliver-support {
    padding: 30px 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .mod-card,
  .page-products .band__item.is-filter-in {
    animation: none;
    transition: none;
  }

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