.page-products {
  --prod-pad: clamp(18px, 4vw, 30px);
  --prod-soft: #4A5B6B;
  --prod-hair: rgba(221, 231, 236, 0.16);
  --prod-hair-strong: rgba(221, 231, 236, 0.3);
  --prod-sheen: rgba(53, 224, 214, 0.1);
  --prod-amber-sheen: rgba(242, 179, 61, 0.12);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .prod-hero {
  padding-top: 30px;
  padding-bottom: 52px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 24px;
}

.page-products .prod-lead {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .plat-hint {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .plat-tabs {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .plat-tab {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cloud);
  background: var(--prod-sheen);
  border: 1px solid var(--prod-hair-strong);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .plat-tab:hover,
.page-products .plat-tab:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(53, 224, 214, 0.2);
}

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

.page-products .prod-hero__media {
  margin: 0;
  max-width: 420px;
  width: 100%;
}

.page-products .prod-hero__media img,
.page-products .lineup__media img,
.page-products .prod-plans__figure img,
.page-products .prod-install__path img,
.page-products .prod-install__btn img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-products .prod-figures {
  list-style: none;
  margin: 38px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--prod-hair);
  display: grid;
  gap: 20px 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .prod-figure {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .prod-figure .numeral {
  color: var(--amber);
  line-height: 1;
}

.page-products .prod-figure__unit {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
}

.page-products .prod-figure__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 三条产品线 ---------- */
.page-products .prod-lineup {
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .prod-sectional {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .zone--light .prod-sectional {
  color: var(--prod-soft);
}

.page-products .zone--light .eyebrow {
  color: var(--cyan-deep);
}

.page-products .lineup {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-products .lineup__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .lineup__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

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

.page-products .tick-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--prod-hair-strong);
  display: grid;
  gap: 8px;
}

.page-products .tick-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cloud);
}

.page-products .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

.page-products .lineup__media {
  margin: 34px 0 0;
}

/* ---------- 系统要求 ---------- */
.page-products .prod-sysreq {
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .sysreq {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .sysreq__card {
  padding: 22px 20px;
  background: rgba(14, 47, 51, 0.55);
  border: 1px solid var(--prod-hair);
  border-left: 3px solid var(--cyan-deep);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  scroll-margin-top: 130px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .sysreq__card:target,
.page-products .sysreq__card:hover {
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(14, 47, 51, 0.85);
}

.page-products .sysreq__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .sysreq__head h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-products .sysreq__list {
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-products .sysreq__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-products .sysreq__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .sysreq__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cloud);
  text-align: right;
}

/* ---------- 订阅计划 ---------- */
.page-products .prod-plans {
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .prod-plans__figure {
  margin: 28px 0 0;
}

.page-products .plan-wrap {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-margin-top: 130px;
}

.page-products .plan-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .plan-table__caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .plan-table th,
.page-products .plan-table td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-products .plan-table thead th {
  background: var(--indigo);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 600;
  border-bottom: 2px solid var(--cyan);
}

.page-products .plan-table tbody th {
  font-size: 16px;
  color: var(--cloud);
  white-space: nowrap;
}

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

.page-products .plan-table tbody tr:nth-child(odd) {
  background: rgba(11, 27, 43, 0.5);
}

.page-products .plan-table tbody tr:nth-child(even) {
  background: rgba(27, 31, 69, 0.5);
}

.page-products .plan-table tbody tr:hover {
  background: rgba(53, 224, 214, 0.14);
}

.page-products .plan-table__num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber) !important;
  white-space: nowrap;
}

.page-products .plans-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-products .plans-note a {
  color: var(--cyan);
  border-bottom: 1px solid currentColor;
}

/* ---------- 三步安装 ---------- */
.page-products .prod-install {
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .prod-install__path {
  margin: 28px 0 0;
}

.page-products .prod-install__body {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-products .prod-install__btn {
  margin: 0;
  max-width: 360px;
}

.page-products .prod-steps {
  margin: 0;
  padding-left: 0;
}

.page-products .prod-install .step__title {
  color: var(--text-dark);
}

.page-products .prod-install .step__desc {
  color: var(--prod-soft);
}

.page-products .prod-install .step__index {
  color: var(--cyan-deep);
  font-family: var(--font-mono);
}

.page-products .prod-install .step.is-current .step__index {
  color: var(--amber);
}

/* ---------- 案例合集第12版 ---------- */
.page-products .prod-cases {
  padding-top: 50px;
  padding-bottom: 54px;
}

.page-products .cases-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .cases-card {
  padding: 22px 20px;
  background: rgba(11, 27, 43, 0.42);
  border-left: 3px solid var(--amber);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-products .cases-card--major {
  background: rgba(11, 27, 43, 0.66);
  border-left-color: var(--cyan);
}

.page-products .cases-card .numeral {
  color: var(--amber);
  line-height: 1;
}

.page-products .cases-card--major .numeral {
  color: var(--cyan);
}

.page-products .cases-card__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cloud);
}

.page-products .cases-link {
  margin: 28px 0 0;
}

/* ---------- 常见情况 ---------- */
.page-products .prod-faq {
  padding-top: 50px;
  padding-bottom: 56px;
}

.page-products .faq {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-products .faq__item {
  background: rgba(27, 31, 69, 0.42);
  border: 1px solid var(--prod-hair);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .faq__item[open] {
  border-color: var(--cyan);
  background: rgba(27, 31, 69, 0.72);
}

.page-products .faq__q {
  cursor: pointer;
  padding: 16px 18px;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--cloud);
  list-style: none;
}

.page-products .faq__q::-webkit-details-marker {
  display: none;
}

.page-products .faq__q::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-products .faq__item[open] .faq__q::after {
  content: "–";
}

.page-products .faq__a {
  padding: 0 18px 18px;
}

.page-products .faq__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-products .prod-next {
  padding-top: 46px;
  padding-bottom: 54px;
}

.page-products .next-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: rgba(11, 27, 43, 0.5);
  border: 1px solid var(--prod-hair);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  border-color: var(--cyan);
  background: var(--prod-sheen);
  transform: translateY(-2px);
}

.page-products .next-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .next-card__title {
  font-size: 16px;
  line-height: 1.6;
  color: var(--cloud);
}

.page-products .next-card__go {
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .prod-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .cases-card--major {
    grid-column: span 3;
  }

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

  .page-products .prod-install__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: 36px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .prod-hero {
    padding-top: 40px;
    padding-bottom: 68px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 46px;
  }

  .page-products .prod-hero__media {
    max-width: 100%;
  }

  .page-products .lineup {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-products .prod-lineup,
  .page-products .prod-sysreq,
  .page-products .prod-plans,
  .page-products .prod-install,
  .page-products .prod-cases,
  .page-products .prod-faq {
    padding-top: 64px;
    padding-bottom: 68px;
  }

  .page-products .prod-install__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .plat-tab,
  .page-products .sysreq__card,
  .page-products .faq__item,
  .page-products .next-card {
    transition: none;
  }

  .page-products .next-card:hover {
    transform: none;
  }
}