.page-products {
  --prod-cut: 20px;
  display: block;
  padding-bottom: 88px;
  color: var(--paper);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(120% 52% at 100% 0%, rgba(76, 107, 240, .16), transparent 58%),
    radial-gradient(90% 40% at 0% 100%, rgba(53, 227, 210, .07), transparent 62%);
  background-repeat: no-repeat;
}

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

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

.page-products .stat-num {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--amber-soft);
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding: 26px 0 52px;
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -18%;
  width: 82%;
  height: 156%;
  background-image:
    radial-gradient(88% 68% at 70% 22%, rgba(76, 107, 240, .34), transparent 62%),
    radial-gradient(66% 58% at 96% 72%, rgba(53, 227, 210, .17), transparent 66%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 74%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-products .prod-hero__copy {
  max-width: 660px;
}

.page-products .prod-hero__copy h1 {
  margin: 14px 0 0;
}

.page-products .prod-hero__copy .lede {
  margin: 18px 0 0;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__stats {
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--ink-line);
  display: grid;
  gap: 18px;
}

.page-products .prod-hero__stats div {
  min-width: 0;
}

.page-products .prod-hero__stats dt {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-muted);
}

.page-products .prod-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--paper);
}

.page-products .prod-hero__media {
  margin: 0;
  border: 1px solid var(--ink-line);
  background: var(--ink-panel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--prod-cut) 100%, 0 calc(100% - var(--prod-cut)));
}

/* ---------- 三档授权面板 ---------- */

.page-products .prod-tier-grid {
  margin-top: 34px;
}

.page-products .tier-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 26px;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-products .tier-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-signal);
}

.page-products .tier-card__bar {
  display: block;
  width: 64px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 2px;
}

.page-products .tier-card--standard .tier-card__bar {
  background: var(--cyan-signal);
}

.page-products .tier-card--plus .tier-card__bar {
  background: linear-gradient(90deg, var(--cyan-signal), var(--amber-mark));
}

.page-products .tier-card--enterprise .tier-card__bar {
  background: var(--amber-mark);
}

.page-products .tier-card h3 {
  margin: 10px 0 0;
  color: var(--paper);
}

.page-products .tier-card__price {
  margin: 14px 0 0;
  padding: 8px 12px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--paper);
  background: rgba(255, 208, 138, .10);
  border-left: 2px solid var(--amber-mark);
}

.page-products .tier-card__per {
  color: var(--slate-muted);
  font-size: 14px;
}

.page-products .tier-card__fit {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-muted);
}

.page-products .tier-card__list {
  margin: 18px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--ink-line);
  display: grid;
  gap: 10px;
}

.page-products .tier-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-muted);
}

.page-products .tier-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan-signal);
}

/* ---------- 对照表 ---------- */

.page-products .prod-compare__banner {
  margin: 32px 0 0;
  border: 1px solid var(--ink-line);
  background: var(--ink-panel);
  clip-path: polygon(0 0, calc(100% - var(--prod-cut)) 0, 100% var(--prod-cut), 100% 100%, 0 100%);
}

.page-products .compare-scroll {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--ink-line);
  background: var(--ink-panel);
}

.page-products .compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.65;
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
}

.page-products .compare-table thead th {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--cyan-signal);
  white-space: nowrap;
}

.page-products .compare-table thead th:last-child {
  background-image: linear-gradient(135deg, rgba(255, 159, 46, .32), rgba(255, 159, 46, .08));
  color: var(--amber-soft);
}

.page-products .compare-table tbody th {
  font-weight: 600;
  color: var(--paper);
  background: rgba(12, 26, 46, .72);
  white-space: nowrap;
}

.page-products .compare-table tbody td {
  color: var(--slate-muted);
}

.page-products .compare-table tbody tr:nth-child(even) th {
  background: rgba(19, 39, 67, .92);
}

.page-products .compare-table tbody tr:nth-child(even) td {
  background: rgba(35, 64, 95, .16);
}

.page-products .compare-table tbody tr:hover th,
.page-products .compare-table tbody tr:hover td {
  background: rgba(53, 227, 210, .10);
  color: var(--paper);
}

.page-products .compare-table tbody tr:hover th {
  box-shadow: inset 3px 0 0 var(--cyan-signal);
}

.page-products .prod-compare__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-muted);
}

/* ---------- 费用构成 ---------- */

.page-products .prod-cost__inner {
  display: grid;
  gap: 34px;
}

.page-products .prod-cost__lead h2 {
  margin: 14px 0 0;
}

.page-products .prod-cost__lead p {
  margin: 16px 0 0;
  color: var(--slate-muted);
  line-height: 1.8;
}

.page-products .prod-cost__lead .btn {
  margin-top: 24px;
}

.page-products .prod-cost__items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

.page-products .prod-cost__items li {
  padding: 20px 22px;
  background: var(--ink-panel);
  transition: background-color .2s var(--ease);
}

.page-products .prod-cost__items li:hover {
  background: var(--ink-deep);
}

.page-products .cost-key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan-signal);
}

.page-products .prod-cost__items p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-muted);
}

/* ---------- 席位阶梯 ---------- */

.page-products .prod-seats__figure {
  margin: 32px 0 0;
  border: 1px solid var(--ink-line);
  background: var(--ink-panel);
}

.page-products .seat-bars {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-products .seat-bar {
  display: grid;
  gap: 7px;
}

.page-products .seat-bar__range {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .seat-bar__track {
  position: relative;
  display: block;
  height: 14px;
  background: rgba(35, 64, 95, .45);
  border: 1px solid var(--ink-line);
  overflow: hidden;
}

.page-products .seat-bar__fill {
  display: block;
  height: 100%;
  background-image: linear-gradient(90deg, var(--cyan-signal), var(--amber-mark));
}

.page-products .seat-bar:nth-child(1) .seat-bar__fill { width: 18%; }
.page-products .seat-bar:nth-child(2) .seat-bar__fill { width: 36%; }
.page-products .seat-bar:nth-child(3) .seat-bar__fill { width: 56%; }
.page-products .seat-bar:nth-child(4) .seat-bar__fill { width: 78%; }
.page-products .seat-bar:nth-child(5) .seat-bar__fill { width: 100%; }

.page-products .seat-bar:hover .seat-bar__track {
  border-color: var(--cyan-signal);
}

.page-products .seat-bar__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-muted);
}

.page-products .prod-seats__panel {
  margin-top: 36px;
  padding: 26px 22px;
  display: grid;
  gap: 24px;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
}

.page-products .prod-seats__panel-copy h3 {
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .prod-seats__panel-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-muted);
}

.page-products .prod-seats__panel-media {
  margin: 0;
  border: 1px solid var(--ink-line);
  background: var(--ink-deep);
}

/* ---------- 年度授权服务 ---------- */

.page-products .prod-service__inner {
  display: grid;
  gap: 34px;
}

.page-products .prod-service__copy h2 {
  margin: 14px 0 0;
}

.page-products .prod-service__copy > p {
  margin: 16px 0 0;
  color: var(--slate-muted);
  line-height: 1.8;
}

.page-products .service-list {
  counter-reset: svc;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-products .service-list li {
  position: relative;
  padding-left: 46px;
}

.page-products .service-list li::before {
  counter-increment: svc;
  content: counter(svc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan-signal);
}

.page-products .service-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .service-list span {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-muted);
}

.page-products .prod-service__media {
  margin: 0;
  border: 1px solid var(--ink-line);
  background: var(--ink-panel);
}

/* ---------- 教育与公益 ---------- */

.page-products .prod-edu__panel {
  padding: 30px 22px;
  display: grid;
  gap: 30px;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
}

.page-products .prod-edu__copy h2 {
  margin: 14px 0 0;
}

.page-products .prod-edu__copy p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-muted);
}

.page-products .prod-edu__copy .btn {
  margin-top: 24px;
}

.page-products .prod-edu__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .prod-edu__steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink-line);
}

.page-products .prod-edu__steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .step-no {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--amber-soft);
  padding-top: 2px;
}

.page-products .prod-edu__steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  color: var(--paper);
}

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

/* ---------- 选型建议与对接入口 ---------- */

.page-products .prod-choose__grid {
  margin-top: 34px;
}

.page-products .choose-card {
  padding: 24px 22px;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  border-left: 3px solid var(--ink-line);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .choose-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--cyan-signal);
  border-color: var(--cyan-signal);
}

.page-products .choose-card h3 {
  margin: 10px 0 0;
  color: var(--paper);
}

.page-products .choose-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate-muted);
}

.page-products .choose-card__pick {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber-soft) !important;
}

.page-products .prod-choose__cta {
  margin-top: 34px;
  padding: 28px 22px;
  display: grid;
  gap: 22px;
  align-items: center;
  background-color: var(--ink-abyss);
  background-image: radial-gradient(90% 120% at 0% 0%, rgba(53, 227, 210, .14), transparent 60%);
  border: 1px solid var(--ink-line);
}

.page-products .prod-choose__cta-copy h3 {
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .prod-choose__cta-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-muted);
}

.page-products .prod-choose__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .seat-bar {
    grid-template-columns: 130px 1fr;
    align-items: center;
    gap: 8px 18px;
  }

  .page-products .seat-bar__track {
    height: 16px;
  }

  .page-products .seat-bar__note {
    grid-column: 2;
  }

  .page-products .prod-choose__cta {
    padding: 32px 28px;
  }
}

@media (min-width: 900px) {
  .page-products {
    padding-bottom: 110px;
  }

  .page-products .prod-hero {
    padding: 40px 0 68px;
  }

  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .prod-cost__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .prod-seats__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    padding: 32px 30px;
    gap: 36px;
    align-items: center;
  }

  .page-products .prod-service__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .prod-edu__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    padding: 40px 36px;
    gap: 48px;
  }

  .page-products .prod-choose__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 34px 32px;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier-card,
  .page-products .choose-card,
  .page-products .prod-cost__items li {
    transition: none;
  }

  .page-products .tier-card:hover,
  .page-products .choose-card:hover {
    transform: none;
  }
}