.page-products {
  --prod-notch: 18px;
  --prod-line: rgba(185, 203, 211, .85);
  --prod-space: clamp(24px, 5vw, 56px);
}

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

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

/* ---------- 首屏 ---------- */

.page-products .hero-prod {
  padding: clamp(24px, 4vw, 56px) 0 clamp(14px, 2.5vw, 28px);
}

.page-products .hero-prod__kicker {
  color: var(--lake);
  letter-spacing: .18em;
  font-size: .78rem;
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-products .hero-prod__title {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.4rem);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-products .hero-prod__title span {
  color: var(--orange);
}

.page-products .hero-prod__foot {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(20px, 3.5vw, 38px);
}

.page-products .hero-prod__lede {
  max-width: 46ch;
  color: var(--ink);
  margin: 0;
}

.page-products .hero-prod__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 46px);
  list-style: none;
  margin: 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .hero-prod__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .hero-prod__facts .num {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--deep);
  line-height: 1;
}

.page-products .hero-prod__facts em {
  font-style: normal;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--rock);
}

/* ---------- 首屏总览图 ---------- */

.page-products .prod-overview {
  margin: clamp(22px, 3.5vw, 40px) auto clamp(28px, 5vw, 60px);
}

.page-products .prod-overview .media-frame__caption {
  margin-top: 12px;
  color: var(--rock);
  font-size: .85rem;
}

/* ---------- 01 阶段：色带与轨迹 ---------- */

.page-products .track {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .track__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: -6px;
}

.page-products .band-track {
  display: grid;
  gap: 3px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .band-track__seg {
  padding: 18px 22px 24px;
  background: rgba(11, 60, 73, .05);
  border-top: 4px solid var(--lake);
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--prod-notch)) 100%, 0 100%);
}

.page-products .band-track__seg:nth-child(2) {
  background: rgba(13, 124, 143, .1);
  border-top-color: var(--deep);
}

.page-products .band-track__seg:nth-child(3) {
  background: rgba(75, 63, 146, .09);
  border-top-color: var(--indigo);
}

.page-products .band-track__seg:nth-child(4) {
  background: rgba(228, 113, 42, .1);
  border-top-color: var(--orange);
}

.page-products .band-track__num {
  display: block;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
}

.page-products .band-track__seg strong {
  display: block;
  margin-top: 10px;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-products .band-track__form {
  display: block;
  margin-top: 5px;
  font-size: .88rem;
  color: var(--rock);
}

/* ---------- 01 阶段：分块说明 ---------- */

.page-products .stage-blocks {
  display: grid;
  gap: clamp(30px, 5vw, 62px);
  margin-top: clamp(34px, 6vw, 76px);
}

.page-products .stage-block {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
  padding-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--prod-line);
}

.page-products .stage-block__num {
  margin: 0;
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .stage-block__name {
  margin: 8px 0 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.3;
  color: var(--deep);
}

.page-products .stage-block__fields {
  display: grid;
  gap: 15px;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
}

.page-products .field {
  display: grid;
  gap: 5px;
}

.page-products .field dt {
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--lake);
}

.page-products .field dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
}

.page-products .stage-block__media .media-frame__caption {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--rock);
}

.page-products .stage-block__note {
  align-self: start;
}

/* ---------- 02 阶段对照 ---------- */

.page-products .compare {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-products .compare__col {
  background: var(--chalk);
  padding: 22px 20px 26px;
  border-top: 3px solid var(--lake);
  clip-path: polygon(0 0, calc(100% - var(--prod-notch)) 0, 100% var(--prod-notch), 100% 100%, 0 100%);
}

.page-products .compare__col:nth-child(2) {
  border-top-color: var(--deep);
}

.page-products .compare__col:nth-child(3) {
  border-top-color: var(--indigo);
}

.page-products .compare__col:nth-child(4) {
  border-top-color: var(--orange);
}

.page-products .compare__num {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--gold);
  font-size: 1.2rem;
}

.page-products .compare__name {
  margin: 6px 0 16px;
  font-size: 1.06rem;
  color: var(--ink);
}

.page-products .compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .compare__list .tag {
  display: inline-block;
  margin-right: 6px;
  color: var(--lake);
}

/* ---------- 03 场景自查 ---------- */

.page-products .scenefilter {
  display: grid;
  gap: clamp(14px, 2.5vw, 22px);
  margin-top: clamp(24px, 3.5vw, 40px);
  padding: clamp(18px, 2.5vw, 26px);
  background: var(--chalk);
  border-left: 3px solid var(--indigo);
}

.page-products .scenefilter__group {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .scenefilter__label {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--rock);
}

.page-products .scenefilter__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .scenefilter .filter-btn {
  font-size: .88rem;
}

.page-products .scene-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  background: var(--chalk);
  border-left: 3px solid var(--trace);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-notch)), calc(100% - var(--prod-notch)) 100%, 0 100%);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-products .scene-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--lake);
  background: #fff;
}

.page-products .scene-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-products .scene-card__title {
  margin: 2px 0 0;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--deep);
}

.page-products .scene-card__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--rock);
  flex: 1;
}

.page-products .scene-card__link {
  align-self: flex-start;
  margin-top: 4px;
  font-size: .92rem;
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-products .scene-card__link:hover {
  color: var(--orange);
}

.page-products .scene-empty {
  margin: 20px 0 0;
  padding: 16px 18px;
  background: rgba(185, 203, 211, .35);
  color: var(--ink);
  font-size: .94rem;
}

/* ---------- 04 电脑端阅读 ---------- */

.page-products .desktop-grid {
  display: grid;
  gap: clamp(24px, 4vw, 50px);
  margin-top: clamp(24px, 3.5vw, 42px);
}

.page-products .desktop-copy .prose p {
  color: var(--ink);
}

.page-products .desktop-accordion {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .desktop-media .media-frame__caption {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--rock);
}

/* ---------- 05 响应衔接 ---------- */

.page-products .handoff-figure {
  margin: clamp(24px, 3.5vw, 42px) 0 clamp(26px, 4vw, 46px);
}

.page-products .handoff-figure .media-frame__caption {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--rock);
}

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

.page-products .handoff__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.5vw, 26px);
}

.page-products .handoff__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--prod-line);
}

.page-products .handoff__index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--deep);
  color: var(--chalk);
  font-size: .95rem;
  line-height: 1;
}

.page-products .handoff__step h3 {
  margin: 6px 0 8px;
  font-size: 1.06rem;
  color: var(--deep);
}

.page-products .handoff__step p {
  margin: 0;
  color: var(--rock);
  line-height: 1.78;
}

.page-products .handoff__note {
  align-self: start;
}

/* ---------- 延伸入口 ---------- */

.page-products .relay {
  margin-top: clamp(40px, 6vw, 88px);
  padding: clamp(30px, 5vw, 60px) 0 clamp(38px, 6vw, 76px);
  border-top: 1px solid var(--prod-line);
}

.page-products .relay__head {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--deep);
}

.page-products .relay__grid {
  display: grid;
  gap: 14px;
}

.page-products .relay__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px 22px;
  text-decoration: none;
  background: var(--chalk);
  border-left: 3px solid var(--gold);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .relay__item:hover {
  transform: translateY(-4px);
  border-left-color: var(--orange);
}

.page-products .relay__label {
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--rock);
}

.page-products .relay__item strong {
  font-size: 1.1rem;
  color: var(--deep);
}

.page-products .relay__desc {
  font-size: .9rem;
  line-height: 1.65;
  color: var(--rock);
}

/* ---------- 栅格推进 ---------- */

@media (min-width: 700px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .field {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-products .hero-prod__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

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

  .page-products .stage-block {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-products .desktop-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .handoff {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }

  .page-products .scenefilter {
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    align-items: end;
  }

  .page-products .scenefilter__group--reset {
    align-self: end;
  }
}

@media (min-width: 1080px) {
  .page-products .compare {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (max-width: 699px) {
  .page-products .band-track__seg {
    clip-path: none;
  }

  .page-products .compare__col {
    clip-path: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .scene-card,
  .page-products .relay__item {
    transition: none;
  }

  .page-products .scene-card:hover,
  .page-products .relay__item:hover {
    transform: none;
  }
}