.page-products {
  --vp-gap: clamp(18px, 2.4vw, 28px);
  --vp-strip: #F7F5EF;
}

.page-products .breadcrumbs {
  margin: clamp(14px, 2vw, 22px) 0 clamp(6px, 1vw, 12px);
}

/* ---------- Hero ---------- */
.page-products .vp-hero {
  padding: clamp(10px, 2vw, 24px) 0 clamp(30px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
}

.page-products .vp-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-products .vp-hero__version {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(5rem, 24vw, 8rem);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--ink);
  margin: 0;
}

.page-products .vp-hero__marklabel {
  margin: 14px 0 0;
}

.page-products .vp-hero__metaline {
  margin: 10px 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--index-gray);
}

.page-products .vp-hero__text h1 {
  margin: 10px 0 0;
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .vp-hero__text .lede {
  margin-top: 18px;
  max-width: 58ch;
}

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

.page-products .vp-lineband {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .vp-lineband li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  font-size: 0.86rem;
  color: var(--ink);
}

.page-products .vp-lineband li.is-current {
  border-color: var(--celadon);
  background: var(--celadon-mist);
}

.page-products .vp-lineband__k {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--index-gray);
}

.page-products .vp-lineband li.is-current .vp-lineband__k {
  color: var(--celadon);
}

.page-products .vp-lineband__v {
  font-weight: 600;
}

/* ---------- 版本说明台 ---------- */
.page-products .vp-board__main > p {
  max-width: var(--measure);
}

.page-products .vp-board__main .lede {
  margin-top: 6px;
}

.page-products .vp-board__main .media-frame {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-products .vp-ledger {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 28px);
}

.page-products .vp-ledger__title {
  margin: 0 0 16px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--index-gray);
}

.page-products .vp-ledger__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .vp-ledger__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .vp-ledger__item:last-child {
  border-bottom: 0;
}

.page-products .vp-ledger__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  flex: 0 0 auto;
}

.page-products .vp-ledger__dot--live {
  background: var(--celadon);
  box-shadow: 0 0 0 4px var(--celadon-mist);
}

.page-products .vp-ledger__name {
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-products .vp-ledger__item .tag {
  margin-left: auto;
}

.page-products .vp-ledger__foot {
  margin: 18px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-products .vp-ledger__foot a,
.page-products .vp-sub__foot a {
  color: var(--rust);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- iOS 入口 ---------- */
.page-products .vp-ios {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .vp-ios__grid {
  display: grid;
  gap: var(--vp-gap);
  align-items: start;
}

.page-products .vp-ios__card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  padding: clamp(22px, 3vw, 34px);
}

.page-products .vp-ios__card h2 {
  margin: 8px 0 14px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.24;
  color: var(--ink);
}

.page-products .vp-ios__card > p {
  margin: 0;
  max-width: 54ch;
}

.page-products .vp-specs {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  border-top: 1px solid var(--line);
}

.page-products .vp-specs__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.93rem;
}

.page-products .vp-specs dt {
  color: var(--index-gray);
}

.page-products .vp-specs dd {
  margin: 0;
  color: var(--ink);
  font-weight: 500;
}

.page-products .vp-specs dd.mono {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--rust);
}

.page-products .vp-ios__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .vp-ios__media {
  margin: 0;
}

/* ---------- 四端对照 ---------- */
.page-products .vp-seg {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  scrollbar-width: thin;
}

.page-products .vp-seg__item {
  flex: 0 0 auto;
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 180ms ease-out, border-color 180ms ease-out;
}

.page-products .vp-seg__item:hover,
.page-products .vp-seg__item:focus-visible {
  background: var(--orange-mist);
  border-color: var(--orange);
}

.page-products .vp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  -webkit-overflow-scrolling: touch;
}

.page-products .vp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.93rem;
  line-height: 1.6;
}

.page-products .vp-table thead th {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--index-gray);
  white-space: nowrap;
}

.page-products .vp-table tbody th,
.page-products .vp-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  color: var(--ink);
  font-weight: 400;
}

.page-products .vp-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.page-products .vp-table tbody tr:last-child th,
.page-products .vp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .vp-table--zebra tbody tr:nth-child(even) {
  background: var(--vp-strip);
}

.page-products .vp-table tbody tr:target {
  background: var(--orange-mist);
}

.page-products .vp-table tbody td.mono {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--rust);
}

.page-products .vp-terminals__media {
  margin: clamp(24px, 3vw, 36px) 0 0;
}

/* ---------- 版本号读法 ---------- */
.page-products .vp-anatomy {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 2.6vw, 30px) 0 clamp(32px, 4vw, 48px);
}

.page-products .vp-anatomy__seg {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: clamp(18px, 2.4vw, 24px);
}

.page-products .vp-anatomy__seg b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-products .vp-anatomy__seg em {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--index-gray);
}

.page-products .vp-versions__sub {
  margin: clamp(32px, 4vw, 48px) 0 16px;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  color: var(--ink);
}

.page-products .vp-taglist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line);
}

.page-products .vp-taglist__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .vp-taglist__text {
  flex: 1 1 240px;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 下载前检查 ---------- */
.page-products .vp-preflight {
  background: var(--orange-mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .vp-checks {
  display: grid;
  gap: var(--vp-gap);
  margin-top: clamp(22px, 2.8vw, 32px);
}

.page-products .vp-check {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: clamp(20px, 2.6vw, 26px);
}

.page-products .vp-check__num {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--rust);
}

.page-products .vp-check__title {
  margin: 10px 0 8px;
  font-size: 1.1rem;
  color: var(--ink);
}

.page-products .vp-check__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .vp-preflight__media {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

/* ---------- 安装四步 ---------- */
.page-products .vp-steps {
  list-style: none;
  margin: clamp(22px, 2.8vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--vp-gap);
  counter-reset: vpstep;
}

.page-products .vp-step {
  position: relative;
  border-left: 3px solid var(--line);
  padding: 4px 0 4px clamp(16px, 2.2vw, 22px);
}

.page-products .vp-step:first-child {
  border-left-color: var(--orange);
}

.page-products .vp-step__num {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--index-gray);
}

.page-products .vp-step__title {
  margin: 8px 0 6px;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .vp-step__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .vp-install__media {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

/* ---------- FAQ ---------- */
.page-products .vp-faq {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.page-products .vp-faq__list {
  margin-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
}

.page-products .vp-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-products .vp-faq__q {
  cursor: pointer;
  padding: 16px 30px 16px 0;
  position: relative;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.page-products .vp-faq__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--orange);
}

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

.page-products .vp-faq__a p {
  margin: 0 0 18px;
  max-width: var(--measure);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .vp-faq__a a {
  color: var(--rust);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 订阅 ---------- */
.page-products .vp-sub {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--paper);
}

.page-products .vp-sub__inner {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 52px);
  color: var(--white);
}

.page-products .vp-sub__eyebrow {
  color: var(--orange);
  margin: 0 0 10px;
}

.page-products .vp-sub__title {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  color: var(--white);
}

.page-products .vp-sub__text p:last-child {
  margin: 0;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-products .vp-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-products .vp-sub__foot {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .vp-checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .vp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 34px);
  }

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

@media (min-width: 960px) {
  .page-products .vp-hero__grid {
    grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-products .vp-ios__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

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

  .page-products .vp-sub__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vp-seg__item {
    transition: none;
  }
}