.page-products {
  display: block;
  background:
    radial-gradient(900px 460px at 82% -4%, rgba(201, 162, 39, 0.14), transparent 62%),
    var(--ink-deep);
  color: var(--text-body);
  overflow-x: hidden;
}

.page-products .section {
  padding: clamp(48px, 7vw, 86px) 0;
}

.page-products .prod-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-products .h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-products .h-display {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-products .lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text-body);
}

.page-products .muted {
  color: var(--slate);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products a:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  position: relative;
  padding-top: clamp(28px, 5vw, 54px);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 34px;
  align-items: end;
  padding-bottom: clamp(34px, 5vw, 58px);
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--gold-b);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--gold-b);
}

.page-products .prod-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-gold-soft);
}

.page-products .prod-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.02em;
  color: var(--gold-b);
}

.page-products .prod-hero__lab {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero__figure {
  position: relative;
}

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

.page-products .prod-hero__figure .figure {
  border: 1px solid var(--line-gold);
  background: var(--ink-mid);
}

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

.page-products .figure__cap {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .prod-seal {
  position: absolute;
  right: 10px;
  bottom: -16px;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 3px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--ink-deep);
  background: linear-gradient(135deg, var(--gold-a), var(--gold-b));
  box-shadow: var(--shadow-card);
}

.page-products .prod-seal::after {
  content: "";
  position: absolute;
  inset: -9px;
  border: 1px dashed rgba(201, 162, 39, 0.75);
  border-radius: 6px;
  animation: prod-orbit 8s linear infinite;
}

.page-products .prod-seal:hover::after {
  animation-duration: 2.6s;
}

@keyframes prod-orbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============ 服务分类带 ============ */
.page-products .prod-band {
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.09), transparent 55%);
}

.page-products .prod-band__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(150px, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .prod-band__cell {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  min-height: 96px;
  padding: 16px 16px 18px;
  border-right: 1px solid var(--line-gold-soft);
}

.page-products .prod-band__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-a);
}

.page-products .prod-band__name {
  font-size: 14px;
  line-height: 1.45;
  color: #DCE4F2;
}

/* ============ 范围矩阵 + 侧栏 ============ */
.page-products .prod-grid {
  display: grid;
  gap: 34px;
}

.page-products .prod-head {
  max-width: 46em;
  margin-bottom: 24px;
}

.page-products .prod-head--center {
  max-width: 40em;
  margin-inline: auto;
  text-align: center;
}

.page-products .prod-head__lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-products .prod-scope__art .figure__img {
  border: 1px solid var(--line-gold-soft);
  background: var(--ink-mid);
}

.page-products .prod-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-gold-soft);
  background: rgba(18, 41, 79, 0.55);
}

.page-products .prod-tablewrap--paper {
  border-color: rgba(28, 26, 23, 0.18);
  background: transparent;
}

.page-products .data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
}

.page-products .prod-tablewrap .data-table {
  min-width: 640px;
}

.page-products .prod-price__table {
  min-width: 760px !important;
}

.page-products .data-table caption {
  padding: 12px 14px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-products .prod-scope thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: #E6F4F4;
  background: rgba(46, 139, 139, 0.3);
  border-bottom: 1px solid var(--gold-a);
}

.page-products .prod-scope tbody th {
  color: #FFFFFF;
  font-weight: 600;
}

.page-products .prod-num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--gold-b);
}

.page-products .prod-scope tbody tr:hover th,
.page-products .prod-scope tbody tr:hover td {
  box-shadow: inset 0 1px 0 var(--gold-a), inset 0 -1px 0 var(--gold-a);
}

.page-products .prod-scope__note {
  display: none;
}

.page-products .prod-scope__note td {
  padding: 8px 14px 14px;
  font-size: 13px;
  color: var(--slate);
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-products .prod-scope tbody tr:hover + .prod-scope__note,
.page-products .prod-scope__note:hover {
  display: table-row;
}

.page-products .prod-scope__foot {
  margin: 14px 0 0;
}

.page-products .prod-scope__foot a,
.page-products .prod-cite__links a {
  color: var(--gold-b);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .prod-scope__foot a:hover,
.page-products .prod-cite__links a:hover {
  color: #FFFFFF;
}

.page-products .prod-side__inner {
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(18, 41, 79, 0.92), rgba(11, 27, 58, 0.92));
  padding: 20px 18px;
  box-shadow: var(--shadow-card);
}

.page-products .prod-side__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-b);
}

.page-products .prod-side__note {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-products .prod-tier-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line-gold);
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-products .prod-tier-btn__name {
  font-size: 15px;
  color: var(--gold-b);
}

.page-products .prod-tier-btn__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .prod-tier-btn:hover,
.page-products .prod-tier-btn:focus-visible {
  background: rgba(201, 162, 39, 0.16);
  border-color: var(--gold-b);
}

.page-products .prod-tier-btn.is-on {
  background: linear-gradient(100deg, var(--gold-a), var(--gold-b));
  border-color: var(--gold-b);
}

.page-products .prod-tier-btn.is-on .prod-tier-btn__name,
.page-products .prod-tier-btn.is-on .prod-tier-btn__meta {
  color: var(--ink-deep);
}

.page-products .prod-toc {
  margin-top: 18px;
  border-top: 1px solid var(--line-gold-soft);
}

.page-products .prod-toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-toc a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 2px;
  font-size: 14px;
  color: var(--text-body);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold-soft);
  transition: color var(--ease);
}

.page-products .prod-toc a:hover {
  color: var(--gold-b);
}

.page-products .prod-toc span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--slate);
}

/* ============ 价格区 ============ */
.page-products .prod-price {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
}

.page-products .prod-price .prod-kicker {
  color: var(--cinnabar);
}

.page-products .prod-price .h2 {
  color: var(--ink);
}

.page-products .prod-price .prod-head__lede {
  color: rgba(28, 26, 23, 0.8);
}

.page-products .prod-price__stamp {
  margin: 16px 0 0;
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
  background: rgba(46, 139, 139, 0.12);
  border-left: 3px solid var(--bronze);
}

.page-products .prod-price__table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #FFFFFF;
  background: var(--bronze);
  border-bottom: 1px solid var(--gold-a);
}

.page-products .prod-price__table th,
.page-products .prod-price__table td {
  border-bottom: 1px solid rgba(28, 26, 23, 0.14);
  color: var(--ink);
}

.page-products .prod-price__table tbody tr:nth-child(even) {
  background: rgba(28, 26, 23, 0.035);
}

.page-products .prod-price__table tbody th {
  font-weight: 600;
}

.page-products .prod-price__table .prod-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}

.page-products .prod-price__table tbody tr:hover th,
.page-products .prod-price__table tbody tr:hover td {
  box-shadow: inset 0 1px 0 var(--gold-a), inset 0 -1px 0 var(--gold-a);
}

.page-products .prod-price__table tbody tr:target th,
.page-products .prod-price__table tbody tr:target td {
  background: rgba(201, 162, 39, 0.22);
  box-shadow: inset 0 1px 0 var(--gold-a), inset 0 -1px 0 var(--gold-a);
}

.page-products .prod-price__lower {
  display: grid;
  gap: 30px;
  margin-top: 34px;
  align-items: end;
}

.page-products .prod-stairs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0 4px 14px;
  border-bottom: 1px solid var(--gold-a);
}

.page-products .prod-stairs__col {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 200px;
  gap: 8px;
}

.page-products .prod-stairs__bar {
  display: block;
  width: 100%;
  border: 1px solid var(--gold-a);
  background: linear-gradient(180deg, rgba(245, 215, 110, 0.85), rgba(201, 162, 39, 0.12));
}

.page-products .prod-stairs__col--a .prod-stairs__bar { height: 22%; }
.page-products .prod-stairs__col--b .prod-stairs__bar { height: 54%; }
.page-products .prod-stairs__col--c .prod-stairs__bar { height: 78%; }

.page-products .prod-stairs__val {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-products .prod-stairs__cap {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(28, 26, 23, 0.68);
}

.page-products .prod-price__art .figure__img {
  border: 1px solid rgba(28, 26, 23, 0.2);
  background: var(--paper);
}

.page-products .prod-price__art .figure__cap {
  color: rgba(28, 26, 23, 0.68);
}

/* ============ 维护节奏 ============ */
.page-products .prod-cycle__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-products .prod-cycle__art .figure__img {
  border: 1px solid var(--line-gold-soft);
  background: var(--ink-mid);
}

.page-products .prod-cycle__body > p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-products .prod-cycle__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold-soft);
}

.page-products .prod-cycle__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 13px 0;
  font-size: 14.5px;
  line-height: 1.75;
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-products .prod-cycle__k {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold-b);
}

.page-products .prod-cycle__body .muted {
  margin-top: 16px;
}

/* ============ 怎么选 ============ */
.page-products .prod-choose {
  position: relative;
  overflow: hidden;
}

.page-products .prod-choose__bg {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(46%, 520px);
  height: auto;
  opacity: 0.1;
  object-fit: cover;
  pointer-events: none;
}

.page-products .prod-choose .wrap {
  position: relative;
  z-index: 1;
}

.page-products .prod-choose__grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-products .prod-choose__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 20px;
  background: linear-gradient(180deg, rgba(18, 41, 79, 0.94), rgba(11, 27, 58, 0.94));
  border: 1px solid var(--line-gold-soft);
  box-shadow: var(--shadow-card);
  transition: border-color var(--ease);
}

.page-products .prod-choose__card:hover {
  border-color: var(--gold-a);
}

.page-products .prod-choose__scene {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold-a);
}

.page-products .prod-choose__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.45;
  color: #FFFFFF;
}

.page-products .prod-choose__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .prod-choose__card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ============ 引用说明 ============ */
.page-products .prod-cite__inner {
  max-width: 52em;
  padding-left: 22px;
  border-left: 2px solid var(--gold-a);
}

.page-products .prod-cite__inner > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-cite__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-products .prod-price__lower {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
  }

  .page-products .prod-cycle__grid {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
  }

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

@media (min-width: 1024px) {
  .page-products .prod-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .prod-side__inner {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
  }
}

@media (max-width: 520px) {
  .page-products .prod-stairs__val {
    font-size: 11px;
  }

  .page-products .prod-choose__bg {
    width: 70%;
  }

  .page-products .prod-seal {
    right: 8px;
    bottom: -12px;
    width: 60px;
    height: 60px;
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-seal::after {
    animation: none;
  }
}
</main>