.page-products {
  --pp-gap: clamp(20px, 3vw, 40px);
  --pp-line-dark: rgba(232, 226, 216, .16);
  --pp-line-light: rgba(43, 43, 43, .14);
  --pp-top: 96px;
  background: var(--paper);
  color: var(--text);
}

/* ---------- 通用章节头 ---------- */
.page-products .sec-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .sec-head h2,
.page-products .sol-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.22;
  margin: 10px 0 14px;
}

.page-products .sec-head h2 {
  font-size: clamp(24px, 4.4vw, 38px);
  color: var(--ink);
}

.page-products .sec-head--light h2 {
  color: var(--white);
}

.page-products .sec-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.page-products .sec-head--light .sec-lede {
  color: var(--ink-text);
}

/* ---------- 首屏 ---------- */
.page-products .sol-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(115% 85% at 84% -10%, rgba(184, 121, 31, .22), transparent 58%),
    linear-gradient(178deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--white);
}

.page-products .sol-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 36px);
}

.page-products .sol-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .sol-hero .breadcrumbs {
  font-size: 13px;
  letter-spacing: .02em;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .sol-hero .breadcrumbs a,
.page-products .sol-hero .breadcrumbs span {
  color: var(--ink-muted);
  text-decoration: none;
}

.page-products .sol-hero .breadcrumbs a:hover {
  color: var(--bronze-lt);
}

.page-products .sol-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-products .sol-hero__lead {
  max-width: 660px;
}

.page-products .sol-hero__lead h1 {
  font-size: clamp(28px, 6.4vw, 52px);
  color: var(--white);
  margin: 12px 0 18px;
}

.page-products .sol-hero__intro {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--ink-text);
  margin: 0 0 clamp(22px, 3vw, 32px);
}

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

.page-products .sol-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line-dark);
  border: 1px solid var(--pp-line-dark);
}

.page-products .fact {
  background: rgba(15, 30, 46, .74);
  padding: 18px 16px;
  transition: background var(--dur);
}

.page-products .fact:hover {
  background: rgba(22, 40, 59, .95);
}

.page-products .fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--bronze-lt);
}

.page-products .fact__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-text);
}

/* ---------- 两条产品线 ---------- */
.page-products .sol-lines {
  background: var(--paper);
}

.page-products .lines {
  display: grid;
  gap: 24px;
}

.page-products .linecard {
  position: relative;
  background: var(--card);
  border: 1px solid var(--pp-line-light);
  border-top: 3px solid var(--bronze);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur), border-color var(--dur), box-shadow var(--dur);
}

.page-products .linecard--b {
  border-top-color: var(--cinnabar);
}

.page-products .linecard:hover {
  transform: translateY(-4px);
  border-color: var(--bronze-lt);
  box-shadow: var(--shadow-2);
}

.page-products .linecard--b:hover {
  border-color: var(--cinnabar);
}

.page-products .linecard__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--bronze-dk);
  border-bottom: 2px solid var(--bronze);
  padding-bottom: 4px;
}

.page-products .linecard h3 {
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 14px 0 12px;
}

.page-products .linecard__lede {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  margin: 0 0 20px;
}

.page-products .linecard .figure {
  margin-bottom: 18px;
}

.page-products .figure {
  margin: 0;
}

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pp-line-light);
  background: var(--ink-2);
}

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

.page-products .media--3x2 img { aspect-ratio: 3 / 2; }
.page-products .media--16x9 img { aspect-ratio: 16 / 9; }

.page-products .ticks {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .ticks li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

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

.page-products .linecard__pick {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pp-line-light);
  font-size: 14px;
  line-height: 1.7;
  color: var(--bronze-dk);
}

/* ---------- 四档对照 ---------- */
.page-products .sol-tier {
  background: var(--paper);
  border-top: 1px solid var(--pp-line-light);
  border-bottom: 1px solid var(--pp-line-light);
}

.page-products .tier-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .tier-rail {
  border: 1px solid var(--pp-line-light);
  background: var(--card);
  padding: 20px 18px;
  box-shadow: var(--shadow-1);
}

.page-products .tier-rail__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-products .tier-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}

.page-products .tier-rail__list a .num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--bronze);
}

.page-products .tier-rail__list a:hover,
.page-products .tier-rail__list a:focus-visible {
  background: rgba(184, 121, 31, .1);
  border-left-color: var(--bronze);
  color: var(--ink);
}

.page-products .tier-rail__note {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pp-line-light);
}

.page-products .sol-tier .tag--cinnabar {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.5;
  padding: 5px 10px;
  background: rgba(192, 67, 43, .12);
  color: var(--cinnabar);
  border: 1px solid rgba(192, 67, 43, .4);
}

.page-products .tier-figure {
  margin-bottom: clamp(20px, 3vw, 30px);
}

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

.page-products .tier {
  background: var(--card);
  border: 1px solid var(--pp-line-light);
  border-left: 3px solid var(--bronze);
  transition: border-color var(--dur), box-shadow var(--dur), background var(--dur);
}

.page-products .tier:hover,
.page-products .tier:focus-within {
  border-color: var(--bronze);
  box-shadow: var(--shadow-1);
}

.page-products .tier__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px 14px;
  padding: 18px clamp(16px, 2.5vw, 24px);
}

.page-products .tier__no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--bronze);
}

.page-products .tier__name {
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0;
}

.page-products .tier__row .tag {
  grid-column: 2;
  justify-self: start;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 9px;
  border: 1px solid var(--pp-line-light);
  color: var(--muted);
  white-space: nowrap;
}

.page-products .tier__detail {
  display: grid;
  grid-template-rows: 1fr;
}

.page-products .tier__dl {
  overflow: hidden;
  min-height: 0;
  margin: 0;
  padding: 0 clamp(16px, 2.5vw, 24px) 20px;
  display: grid;
  gap: 14px;
}

.page-products .tier__dl > div {
  padding-top: 12px;
  border-top: 1px dashed var(--pp-line-light);
}

.page-products .tier__dl dt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cinnabar);
  margin-bottom: 6px;
}

.page-products .tier__dl dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 验资材料 ---------- */
.page-products .sol-verify {
  background: var(--card);
}

.page-products .verify-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .verify-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: v;
  display: grid;
  gap: 14px;
}

.page-products .verify-list li {
  counter-increment: v;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .verify-list li::before {
  content: counter(v, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cinnabar);
}

.page-products .verify-list strong {
  color: var(--ink);
  font-weight: 800;
}

.page-products .verify-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--bronze);
  background: rgba(184, 121, 31, .09);
  font-size: 14px;
  line-height: 1.75;
  color: var(--bronze-dk);
}

/* ---------- 交付流程 ---------- */
.page-products .sol-flow {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--white);
}

.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .flow__step {
  position: relative;
  padding: 20px 22px 20px 62px;
  background: rgba(244, 240, 233, .05);
  border: 1px solid var(--pp-line-dark);
  border-left: 3px solid var(--bronze);
  transition: background var(--dur), border-color var(--dur), transform var(--dur);
}

.page-products .flow__step:hover {
  background: rgba(244, 240, 233, .09);
  border-color: var(--bronze-lt);
  transform: translateY(-3px);
}

.page-products .flow__no {
  position: absolute;
  left: 18px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--bronze-lt);
}

.page-products .flow__step h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 8px;
}

.page-products .flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-text);
}

.page-products .flow-figure {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .sol-flow .figure__caption {
  color: var(--ink-muted);
}

/* ---------- 排期与响应 ---------- */
.page-products .sol-sched {
  background: var(--paper);
}

.page-products .sched-grid {
  display: grid;
  gap: 16px;
}

.page-products .sched-card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--card);
  border: 1px solid var(--pp-line-light);
  border-bottom: 3px solid var(--bronze);
  transition: transform var(--dur), box-shadow var(--dur);
}

.page-products .sched-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}

.page-products .sched-card__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-products .sched-card__unit {
  display: inline-block;
  margin-left: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--bronze-dk);
}

.page-products .sched-card h3 {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .sched-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 质保与延保 ---------- */
.page-products .sol-warranty {
  background: var(--card);
  border-top: 1px solid var(--pp-line-light);
}

.page-products .warranty-grid {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-products .warranty-card {
  padding: clamp(22px, 3vw, 30px);
  background: var(--paper);
  border: 1px solid var(--pp-line-light);
  border-top: 3px solid var(--bronze);
}

.page-products .warranty-card--plus {
  border-top-color: var(--cinnabar);
}

.page-products .warranty-card__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 58px);
  font-weight: 700;
  line-height: 1;
  color: var(--bronze);
}

.page-products .warranty-card--plus .warranty-card__no {
  color: var(--cinnabar);
}

.page-products .warranty-card__unit {
  display: inline-block;
  margin-left: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .warranty-card h3 {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .warranty-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .warranty-note {
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper);
  border: 1px solid var(--pp-line-light);
  border-left: 3px solid var(--ink);
}

.page-products .warranty-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .warranty-note .kicker {
  margin-bottom: 10px;
}

/* ---------- 行动区 ---------- */
.page-products .sol-cta {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  color: var(--white);
}

.page-products .cta-panel {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--pp-line-dark);
  background: rgba(244, 240, 233, .04);
}

.page-products .cta-panel h2 {
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--white);
  margin: 10px 0 14px;
}

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

.page-products .cta-panel__copy a {
  color: var(--bronze-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .cta-panel__copy a:hover {
  color: var(--white);
}

.page-products .cta-panel__actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-products .tier__row {
    grid-template-columns: 80px minmax(0, 1fr) auto;
    gap: 8px 18px;
  }

  .page-products .tier__row .tag {
    grid-column: 3;
    justify-self: end;
  }

  .page-products .tier__dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

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

@media (min-width: 880px) {
  .page-products .lines {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .linecard--b {
    margin-top: 40px;
  }

  .page-products .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .flow__step {
    padding: 24px 20px;
  }

  .page-products .flow__no {
    position: static;
    display: block;
    margin-bottom: 12px;
    font-size: 32px;
  }

  .page-products .verify-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .verify-figure {
    position: sticky;
    top: var(--pp-top);
  }

  .page-products .cta-panel {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 1020px) {
  .page-products {
    --pp-top: 118px;
  }

  .page-products .sol-hero__inner {
    grid-template-columns: minmax(0, 13fr) minmax(0, 7fr);
    align-items: end;
    gap: 56px;
  }

  .page-products .sol-hero__facts {
    margin-bottom: 6px;
  }

  .page-products .tier-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .tier-rail {
    position: sticky;
    top: var(--pp-top);
  }
}

@media (min-width: 1020px) and (hover: hover) {
  .page-products .tier__detail {
    grid-template-rows: 0fr;
    transition: grid-template-rows .32s ease;
  }

  .page-products .tier:hover .tier__detail,
  .page-products .tier:focus-within .tier__detail {
    grid-template-rows: 1fr;
  }
}

/* ---------- 焦点可见性 ---------- */
.page-products a:focus-visible,
.page-products .btn:focus-visible {
  outline: 2px solid var(--bronze-lt);
  outline-offset: 3px;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}