.page-products {
  --pp-hair: rgba(20, 92, 70, 0.22);
  --pp-hair-dark: rgba(244, 241, 232, 0.16);
  --pp-lift: 0 12px 0 -8px rgba(20, 92, 70, 0.10), 0 26px 38px -30px rgba(6, 35, 28, 0.75);
  background: var(--paper);
  color: var(--ink);
}

.page-products .breadcrumb {
  padding-block: 22px 6px;
}

/* ---------- 页头 ---------- */
.page-products .page-head {
  max-width: 900px;
  padding: 10px 0 clamp(34px, 5vw, 62px);
}

.page-products .page-head__lede {
  max-width: 720px;
  margin-top: 20px;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .page-head__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 通用小节 ---------- */
.page-products .path,
.page-products .compare,
.page-products .mobile,
.page-products .lanes,
.page-products .rhythm {
  padding-block: clamp(46px, 6vw, 88px);
}

.page-products .prose {
  margin-top: 16px;
}

.page-products .annotation {
  color: var(--ink-soft);
}

/* ---------- 入口路径 ---------- */
.page-products .path {
  background: var(--night);
  color: var(--on-dark);
}

.page-products .path__lede {
  max-width: 700px;
  margin-top: 18px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-products .path__media {
  margin-top: clamp(26px, 4vw, 42px);
  overflow: hidden;
  border: 1px solid var(--green-line);
}

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

.page-products .path__steps {
  list-style: none;
  margin: clamp(30px, 4vw, 50px) 0 0;
  padding: 0;
}

.page-products .path__step {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 6px 20px;
  padding: 24px 0;
  border-top: 1px solid var(--pp-hair-dark);
}

.page-products .path__step:last-child {
  border-bottom: 1px solid var(--pp-hair-dark);
}

.page-products .path__step + .path__step::before {
  content: "";
  position: absolute;
  left: 28px;
  top: -1px;
  width: 1px;
  height: 24px;
  background: var(--cyan);
  opacity: 0.55;
}

.page-products .path__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .path__body h3 {
  margin: 0 0 8px;
  color: var(--on-dark);
}

.page-products .path__body p {
  margin: 0;
  max-width: 660px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-products .path__foot {
  margin-top: 26px;
  padding-left: 18px;
  border-left: 3px solid var(--red);
  color: var(--on-dark-soft);
}

/* ---------- 版本对照 ---------- */
.page-products .compare {
  background: var(--paper);
}

.page-products .compare__head {
  display: grid;
  gap: 28px;
}

.page-products .compare__intro .prose {
  color: var(--ink-soft);
  line-height: 1.9;
}

.page-products .legend {
  list-style: none;
  margin: 0;
  padding: 18px 20px;
  display: grid;
  gap: 12px;
  background: var(--paper-2);
  border-left: 4px solid var(--green-deep);
  box-shadow: var(--pp-lift);
}

.page-products .legend li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .badge {
  display: inline-flex;
  align-items: center;
  flex: none;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  border: 1px solid var(--amber);
  border-radius: 2px;
  color: #7a6413;
  background: rgba(201, 162, 39, 0.16);
  white-space: nowrap;
}

.page-products .badge--retire {
  border-color: var(--wine);
  color: var(--wine);
  background: rgba(140, 18, 38, 0.12);
}

.page-products .cmp {
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 3px solid var(--green-deep);
}

.page-products .cmp__row {
  padding: 22px 0 26px;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .cmp__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-products .cmp__name {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .cmp__pair {
  display: grid;
  gap: 12px;
}

.page-products .cmp__cell {
  padding: 16px 18px 18px;
  border: 1px solid var(--pp-hair);
}

.page-products .cmp__cell--new {
  background: var(--paper);
  border-left: 4px solid var(--red);
}

.page-products .cmp__cell--old {
  background: var(--paper-2);
  border-left: 4px solid var(--green-deep);
}

.page-products .cmp__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-products .cmp__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .compare__figure {
  margin: clamp(34px, 5vw, 56px) 0 0;
}

.page-products .compare__figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--pp-hair);
  box-shadow: var(--pp-lift);
}

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

.page-products .compare__figure figcaption {
  margin-top: 14px;
  max-width: 680px;
  line-height: 1.7;
}

/* ---------- 移动端回访 ---------- */
.page-products .mobile {
  background: var(--green-deep);
  color: var(--on-dark);
}

.page-products .mobile__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 3vw, 40px);
}

.page-products .mobile__figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--green-line);
  background: var(--night);
}

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

.page-products .mobile__caption {
  margin-top: 14px;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
  color: var(--on-dark-soft);
}

.page-products .mobile__steps .prose {
  color: var(--on-dark-soft);
  line-height: 1.9;
  max-width: 680px;
}

.page-products .mobile__acc {
  margin-top: 26px;
  border-top: 1px solid var(--pp-hair-dark);
}

.page-products .mobile__acc .acc-item {
  border-bottom: 1px solid var(--pp-hair-dark);
}

.page-products .mobile__acc .acc-btn {
  width: 100%;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 12px;
  padding: 18px 4px;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--on-dark);
  cursor: pointer;
}

.page-products .mobile__acc .acc-btn__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .mobile__acc .acc-btn__label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-products .mobile__acc .acc-btn__icon {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 200ms ease;
}

.page-products .mobile__acc .acc-btn[aria-expanded="true"] .acc-btn__icon {
  transform: rotate(-135deg);
}

.page-products .mobile__acc .acc-panel__inner {
  padding: 0 4px 20px 60px;
}

.page-products .mobile__acc .acc-panel__inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

/* ---------- 服务能力分道 ---------- */
.page-products .lanes {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
}

.page-products .lanes__bg {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  pointer-events: none;
}

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

.page-products .lanes > .wrap,
.page-products .lanes__rail {
  position: relative;
  z-index: 1;
}

.page-products .lanes__lede {
  max-width: 680px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.page-products .lanes__rail {
  display: flex;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 42px);
  padding: 6px var(--gutter) 30px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  background-image: repeating-linear-gradient(180deg, rgba(20, 92, 70, 0.10) 0 1px, transparent 1px 72px);
}

.page-products .lane {
  position: relative;
  flex: 0 0 min(78vw, 360px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 22px 32px;
  background: var(--paper);
  border: 1px solid var(--pp-hair);
  border-top: 4px solid var(--red);
  box-shadow: var(--pp-lift);
}

.page-products .lane::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--green-line) 0 2px, transparent 2px 11px);
}

.page-products .lane__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-products .lane__name {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .lane__scene {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .lane__use {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pp-hair);
  font-size: 13.5px;
  color: var(--ink-soft);
}

.page-products .lane__k {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--on-dark);
  background: var(--green-line);
}

.page-products .lanes__hint {
  margin-top: 4px;
}

/* ---------- 迭代节奏 ---------- */
.page-products .rhythm {
  background: var(--paper);
}

.page-products .rhythm__strip {
  margin: 0 0 clamp(30px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--pp-hair);
}

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

.page-products .rhythm__list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: 3px solid var(--green-deep);
}

.page-products .rhythm__list li {
  display: grid;
  grid-template-columns: minmax(84px, 132px) minmax(0, 1fr);
  gap: 12px 22px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .rhythm__k {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--red);
  white-space: nowrap;
}

.page-products .rhythm__v {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .rhythm__cta {
  margin-top: clamp(30px, 4vw, 44px);
  padding: 24px 26px 26px;
  background: var(--paper-2);
  border-left: 5px solid var(--red);
}

.page-products .rhythm__cta p {
  margin: 0;
  max-width: 640px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .rhythm__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-products .rhythm__more {
  margin-top: 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .cmp__pair {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-products .cmp__cell--old {
    border-left-width: 1px;
  }

  .page-products .path__step {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 8px 28px;
    padding: 28px 0;
  }

  .page-products .path__step + .path__step::before {
    left: 44px;
    height: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .compare__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .compare__aside {
    padding-top: 46px;
  }
}

@media (min-width: 960px) {
  .page-products .mobile__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .lane {
    flex-basis: 340px;
  }
}

@media (min-width: 1200px) {
  .page-products .path__steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }

  .page-products .path__step + .path__step::before {
    display: none;
  }

  .page-products .path__step:nth-child(2)::before {
    display: block;
    left: -28px;
    top: 40px;
    width: 28px;
    height: 1px;
  }
}

@media (max-width: 520px) {
  .page-products .mobile__acc .acc-btn {
    grid-template-columns: 40px minmax(0, 1fr) 16px;
    gap: 10px;
  }

  .page-products .mobile__acc .acc-panel__inner {
    padding-left: 50px;
  }

  .page-products .rhythm__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .mobile__acc .acc-btn__icon {
    transition: none;
  }
}