.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + 32px) 0 60px;
  background: linear-gradient(142deg, var(--ochre-deep) 0%, var(--ochre) 44%, var(--teal-deep) 100%);
  color: var(--paper-light);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(114deg, rgba(242, 183, 5, 0.13) 0 10px, transparent 10px 36px);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -110px;
  width: 380px;
  height: 380px;
  border: 14px solid rgba(246, 239, 227, 0.15);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-products .prod-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .prod-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: rgba(246, 239, 227, 0.78);
  margin-bottom: 28px;
}

.page-products .prod-crumb a {
  color: var(--paper-light);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-products .prod-crumb a:hover,
.page-products .prod-crumb a:focus-visible {
  border-bottom-color: var(--saffron);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 40px;
}

.page-products .prod-hero__eyebrow {
  display: inline-block;
  background: var(--saffron);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  padding: 5px 12px;
  border: 2px solid var(--ink);
  transform: rotate(-1.5deg);
}

.page-products .prod-hero .display-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.2vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper-light);
  margin: 16px 0 22px;
  text-shadow: 5px 5px 0 rgba(28, 26, 23, 0.32);
}

.page-products .prod-hero__lead {
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.85;
  color: #F4E8D6;
  margin: 0 0 14px;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0 30px;
}

.page-products .prod-hero__actions .btn {
  font-family: var(--font-sans);
  font-weight: 800;
  border-width: 3px;
  padding: 12px 22px;
  text-decoration: none;
}

.page-products .prod-btn--sun {
  background: var(--saffron);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(28, 26, 23, 0.45);
  text-decoration: none;
}

.page-products .prod-btn--sun:hover,
.page-products .prod-btn--sun:focus-visible {
  background: var(--paper-light);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(28, 26, 23, 0.5);
}

.page-products .prod-btn--line {
  background: transparent;
  color: var(--paper-light);
  border: 3px solid var(--paper-light);
  text-decoration: none;
}

.page-products .prod-btn--line:hover,
.page-products .prod-btn--line:focus-visible {
  background: var(--paper-light);
  color: var(--ochre-deep);
}

.page-products .prod-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 2px dashed rgba(246, 239, 227, 0.35);
}

.page-products .prod-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  color: rgba(246, 239, 227, 0.85);
}

.page-products .prod-hero__facts strong {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--saffron);
  line-height: 1;
}

.page-products .prod-hero__device {
  margin: 0;
  position: relative;
  transform: rotate(-2deg);
  border: 6px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 14px 14px 0 var(--saffron);
}

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

.page-products .prod-hero__note {
  position: absolute;
  left: 14px;
  bottom: -18px;
  background: var(--ink);
  color: var(--saffron);
  font-family: var(--font-hand);
  font-size: 0.9rem;
  padding: 4px 12px;
  transform: rotate(1.5deg);
}

/* ---------- 通用章节 ---------- */
.page-products .prod-section {
  padding: 58px 0;
  position: relative;
}

.page-products .prod-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px 18px;
  align-items: start;
  margin-bottom: 34px;
}

.page-products .prod-no {
  display: block;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 2.6rem;
  line-height: 0.9;
  color: var(--ochre);
  text-shadow: 4px 4px 0 rgba(242, 183, 5, 0.55);
}

.page-products .prod-no--light {
  color: var(--saffron);
  text-shadow: 4px 4px 0 rgba(28, 26, 23, 0.5);
}

.page-products .prod-head h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-products .prod-head__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: #3A3530;
}

.page-products .prod-head--onDark h2 {
  color: var(--paper-light);
}

.page-products .prod-head--onDark .prod-head__lead {
  color: rgba(246, 239, 227, 0.82);
}

.page-products .prod-figure {
  margin: 0 0 30px;
  border: 4px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 10px 10px 0 var(--teal);
}

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

.page-products .prod-figure__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-top: 3px solid var(--ink);
  background: var(--paper-light);
  font-size: 0.86rem;
  line-height: 1.7;
  color: #3A3530;
}

.page-products .prod-tag {
  background: var(--jade);
  color: var(--paper-light);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border: 2px solid var(--ink);
}

.page-products .prod-figure--steps {
  box-shadow: 10px 10px 0 var(--ochre);
}

/* ---------- 平台矩阵 ---------- */
.page-products .prod-platforms {
  background: var(--paper);
}

.page-products .prod-plat-grid {
  display: grid;
  gap: 22px;
  margin-bottom: 34px;
}

.page-products .prod-plat {
  background: var(--paper-light);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--slate);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .prod-plat--ios {
  box-shadow: 8px 8px 0 var(--teal);
}

.page-products .prod-plat--android {
  box-shadow: 8px 8px 0 var(--jade);
}

.page-products .prod-plat--web {
  box-shadow: 8px 8px 0 var(--ochre);
}

.page-products .prod-plat:hover {
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 var(--ochre-deep);
}

.page-products .prod-plat__tag {
  align-self: flex-start;
  margin: 0;
  background: var(--ink);
  color: var(--paper-light);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}

.page-products .prod-plat h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--ochre-deep);
}

.page-products .prod-plat__meta {
  margin: 0;
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-top: 2px dashed var(--slate);
  border-bottom: 2px dashed var(--slate);
}

.page-products .prod-plat__meta div {
  display: grid;
  grid-template-columns: 5.2em 1fr;
  gap: 10px;
}

.page-products .prod-plat__meta dt {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal-deep);
  letter-spacing: 0.04em;
}

.page-products .prod-plat__meta dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 600;
}

.page-products .prod-plat__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: #3A3530;
}

.page-products .prod-plat__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.86rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 3px solid var(--saffron);
  padding-bottom: 2px;
}

.page-products .prod-plat__link:hover,
.page-products .prod-plat__link:focus-visible {
  color: var(--ochre);
  border-bottom-color: var(--teal);
}

/* ---------- 安装步骤 ---------- */
.page-products .prod-steps-sec {
  background: var(--paper-light);
  border-top: 6px solid var(--ink);
  border-bottom: 6px solid var(--ink);
}

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

.page-products .prod-step {
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: 7px 7px 0 rgba(28, 26, 23, 0.16);
}

.page-products .prod-step[open] {
  box-shadow: 7px 7px 0 var(--ochre);
}

.page-products .prod-step > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .prod-step > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-step > summary:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: -3px;
}

.page-products .prod-step > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--ochre);
}

.page-products .prod-step[open] > summary::after {
  content: "–";
  color: var(--jade);
}

.page-products .prod-step__no {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--saffron);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.05rem;
}

.page-products .prod-step__body {
  padding: 0 18px 18px 70px;
}

.page-products .prod-step__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: #3A3530;
}

/* ---------- 板块导览 ---------- */
.page-products .prod-boards-sec {
  background: var(--teal-deep);
  color: var(--paper-light);
  border-bottom: 8px solid var(--ochre);
}

.page-products .prod-boards-sec .prod-figure {
  box-shadow: 10px 10px 0 var(--saffron);
}

.page-products .prod-board-grid {
  display: grid;
  gap: 14px;
}

.page-products .prod-board {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: start;
  padding: 16px 16px 18px;
  border: 2px solid rgba(246, 239, 227, 0.26);
  background: rgba(246, 239, 227, 0.06);
}

.page-products .prod-board:hover,
.page-products .prod-board:focus-within {
  border-color: var(--saffron);
  background: rgba(246, 239, 227, 0.12);
}

.page-products .prod-board__no {
  grid-row: span 3;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--saffron);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 0.9rem;
}

.page-products .prod-board h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--paper-light);
}

.page-products .prod-board__pos {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--saffron);
}

.page-products .prod-board p:last-child {
  margin: 4px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(246, 239, 227, 0.84);
}

/* ---------- 账户自查 ---------- */
.page-products .prod-check {
  background: var(--paper);
}

.page-products .prod-check__grid {
  align-items: start;
}

.page-products .prod-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 4px solid var(--ochre);
}

.page-products .prod-check__list li {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0 16px 20px;
  border-bottom: 2px dashed rgba(92, 122, 126, 0.45);
}

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

.page-products .prod-check__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--jade);
  color: var(--paper-light);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 0.98rem;
  box-shadow: 4px 4px 0 rgba(28, 26, 23, 0.2);
}

.page-products .prod-check__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.04rem;
  color: var(--ochre-deep);
}

.page-products .prod-check__list p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: #3A3530;
}

.page-products .prod-check__aside {
  display: grid;
  gap: 20px;
}

.page-products .prod-check__card {
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--teal);
  padding: 20px 18px;
  background: var(--paper-light);
}

.page-products .prod-check__card.card--teal {
  background: var(--teal-deep);
  color: var(--paper-light);
  box-shadow: 8px 8px 0 var(--saffron);
}

.page-products .prod-check__card.card--teal h3 {
  color: var(--paper-light);
}

.page-products .prod-check__card.card--teal p {
  color: rgba(246, 239, 227, 0.85);
}

.page-products .prod-check__card.card--teal .eyebrow {
  color: var(--saffron);
}

.page-products .prod-check__card--paper {
  box-shadow: 8px 8px 0 var(--jade);
}

.page-products .prod-check__card h3 {
  margin: 8px 0 10px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.18rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .prod-check__card p {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: #3A3530;
}

.page-products .prod-check__card .btn {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.86rem;
  padding: 9px 16px;
  text-decoration: none;
  display: inline-block;
}

.page-products .prod-check__card .prod-plat__link {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.86rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 3px solid var(--saffron);
}

/* ---------- 版本记录 ---------- */
.page-products .prod-vers-sec {
  background: var(--paper-light);
  border-top: 6px solid var(--ink);
}

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

.page-products .prod-seg__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-products .prod-seg label {
  cursor: pointer;
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 3px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(28, 26, 23, 0.16);
  transition: background-color 0.16s ease, transform 0.16s ease;
}

.page-products .prod-seg label:hover {
  background: var(--saffron);
}

.page-products #ver-all:checked ~ .prod-seg label[for="ver-all"],
.page-products #ver-nav:checked ~ .prod-seg label[for="ver-nav"],
.page-products #ver-inst:checked ~ .prod-seg label[for="ver-inst"],
.page-products #ver-ui:checked ~ .prod-seg label[for="ver-ui"] {
  background: var(--teal);
  color: var(--paper-light);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ochre);
}

.page-products #ver-nav:checked ~ .prod-vers .prod-vers__row:not(.is-nav),
.page-products #ver-inst:checked ~ .prod-vers .prod-vers__row:not(.is-inst),
.page-products #ver-ui:checked ~ .prod-vers .prod-vers__row:not(.is-ui) {
  display: none;
}

.page-products .prod-vers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  border-left: 8px solid var(--ochre);
  padding-left: 16px;
}

.page-products .prod-vers__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 18px;
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 rgba(28, 26, 23, 0.15);
}

.page-products .prod-vers__row:hover {
  box-shadow: 6px 6px 0 var(--teal);
}

.page-products .prod-vers__ver {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--ochre);
  letter-spacing: 0.02em;
}

.page-products .prod-vers__when {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--teal-deep);
  background: var(--saffron);
  justify-self: start;
  padding: 2px 9px;
  border: 2px solid var(--ink);
}

.page-products .prod-vers__row p {
  margin: 4px 0 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: #3A3530;
}

.page-products .prod-vers__more {
  margin: 26px 0 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: #3A3530;
}

.page-products .prod-vers__more a,
.page-products .prod-faq__more a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid var(--saffron);
}

.page-products .prod-vers__more a:hover,
.page-products .prod-faq__more a:hover {
  color: var(--ochre);
}

/* ---------- 常见问题 ---------- */
.page-products .prod-faq {
  background: var(--paper);
}

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

.page-products .prod-faq__item {
  border: 3px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 6px 6px 0 var(--slate);
}

.page-products .prod-faq__item[open] {
  box-shadow: 6px 6px 0 var(--jade);
}

.page-products .prod-faq__item > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 15px 48px 15px 18px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--ink);
}

.page-products .prod-faq__item > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-faq__item > summary:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: -3px;
}

.page-products .prod-faq__item > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--teal);
}

.page-products .prod-faq__item[open] > summary::after {
  content: "–";
  color: var(--ochre);
}

.page-products .prod-faq__body {
  padding: 0 18px 16px;
  border-top: 2px dashed rgba(92, 122, 126, 0.5);
  padding-top: 14px;
}

.page-products .prod-faq__body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: #3A3530;
}

.page-products .prod-faq__more {
  margin: 24px 0 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: #3A3530;
}

/* ---------- 底部行动区 ---------- */
.page-products .prod-cta {
  position: relative;
  overflow: hidden;
  background: var(--ochre-deep);
  color: var(--paper-light);
  padding: 56px 0;
  border-top: 8px solid var(--saffron);
}

.page-products .prod-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  pointer-events: none;
}

.page-products .prod-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 76, 85, 0.82) 0%, rgba(116, 38, 31, 0.72) 62%, rgba(28, 26, 23, 0.8) 100%);
  pointer-events: none;
}

.page-products .prod-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-products .prod-cta__eyebrow {
  display: inline-block;
  background: var(--saffron);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  padding: 4px 12px;
  border: 2px solid var(--ink);
}

.page-products .prod-cta h2 {
  margin: 14px 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  line-height: 1.18;
  color: var(--paper-light);
}

.page-products .prod-cta__copy p {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 0.97rem;
  line-height: 1.85;
  color: rgba(246, 239, 227, 0.88);
}

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

.page-products .prod-cta__actions .btn {
  font-family: var(--font-sans);
  font-weight: 800;
  border-width: 3px;
  padding: 11px 20px;
  text-decoration: none;
}

.page-products .prod-cta__side {
  border: 3px solid var(--paper-light);
  background: rgba(28, 26, 23, 0.42);
  padding: 20px 18px;
}

.page-products .prod-cta__label {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--saffron);
}

.page-products .prod-cta__copy-btn {
  display: inline-block;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.88rem;
  padding: 10px 18px;
  border: 3px solid var(--ink);
  background: var(--paper-light);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--saffron);
}

.page-products .prod-cta__copy-btn:hover,
.page-products .prod-cta__copy-btn:focus-visible {
  background: var(--saffron);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--paper-light);
}

.page-products .prod-cta__hint {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(246, 239, 227, 0.78);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-plat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-board-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-vers__row {
    grid-template-columns: 88px 108px 1fr;
    align-items: center;
    gap: 4px 16px;
  }

  .page-products .prod-vers__row p {
    margin: 0;
  }

  .page-products .prod-vers__when {
    justify-self: stretch;
    text-align: center;
  }
}

@media (min-width: 900px) {
  .page-products .prod-section {
    padding: 76px 0;
  }

  .page-products .prod-hero {
    padding: calc(var(--header-h) + 46px) 0 84px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: 52px;
  }

  .page-products .prod-head {
    grid-template-columns: auto 1fr;
    gap: 26px;
    margin-bottom: 42px;
  }

  .page-products .prod-no {
    font-size: 4rem;
  }

  .page-products .prod-plat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-products .prod-board-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-products .prod-check__grid {
    gap: 34px;
  }

  .page-products .prod-cta {
    padding: 76px 0;
  }

  .page-products .prod-cta__inner {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
    gap: 44px;
  }

  .page-products .prod-step__body {
    padding-left: 74px;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-board-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-plat,
  .page-products .prod-seg label,
  .page-products .prod-cta__copy-btn {
    transition: none;
  }

  .page-products .prod-plat:hover,
  .page-products .prod-cta__copy-btn:hover {
    transform: none;
  }
}
<<<END>>>