.page-products {
  --prod-gap: clamp(18px, 3vw, 34px);
  --prod-radius: 3px;
  background: var(--carbon);
  color: var(--ice);
  overflow-x: clip;
}

.page-products p {
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding-bottom: clamp(28px, 4vw, 52px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: min(46vw, 520px);
  height: 190px;
  background:
    repeating-linear-gradient(115deg, rgba(225, 6, 0, .16) 0 2px, transparent 2px 14px);
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .prod-hero__main h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--ice);
}

.page-products .prod-hero__main h1::after {
  content: "";
  display: block;
  width: clamp(74px, 18vw, 176px);
  height: 6px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--red), var(--red-dark));
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

.page-products .prod-hero__lead {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--fog);
}

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

.page-products .prod-entry {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-products .prod-entry__title {
  margin: 14px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ice);
}

.page-products .prod-entry__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

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

.page-products .prod-entry__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  background: var(--carbon-2);
  font-size: 13px;
}

.page-products .prod-entry__k {
  color: var(--fog);
  flex: 0 0 auto;
}

.page-products .prod-entry__v {
  color: var(--ice);
  font-weight: 600;
  text-align: right;
}

/* ---------- 设备选择 ---------- */

.page-products .dev-tabs {
  display: flex;
  gap: 8px;
  margin: clamp(18px, 2.6vw, 28px) 0 clamp(16px, 2.2vw, 22px);
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .dev-tab {
  flex: 0 0 auto;
  padding: 11px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--fog);
  background: var(--carbon-2);
  border: 1px solid var(--line);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-products .dev-tab:hover,
.page-products .dev-tab:focus-visible {
  color: var(--ice);
  border-color: var(--red);
  background: var(--panel);
}

.page-products:has(#dev-win:target) .dev-tab[href="#dev-win"],
.page-products:has(#dev-mac:target) .dev-tab[href="#dev-mac"],
.page-products:has(#dev-ios:target) .dev-tab[href="#dev-ios"],
.page-products:has(#dev-android:target) .dev-tab[href="#dev-android"],
.page-products:has(#dev-web:target) .dev-tab[href="#dev-web"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--ice);
}

.page-products .dev-panels {
  display: grid;
  gap: 14px;
}

.page-products .dev-panel {
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--carbon-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--panel);
  box-shadow: var(--shadow-panel);
  transition: opacity .3s var(--ease), border-color .3s var(--ease);
}

.page-products .dev-panels:has(.dev-panel:target) .dev-panel:not(:target) {
  opacity: .48;
}

.page-products .dev-panel:target {
  border-left-color: var(--red);
  background: var(--panel);
}

.page-products .dev-panel__grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-products .dev-panel__body h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  color: var(--ice);
}

.page-products .dev-panel__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .dev-panel__facts {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .dev-panel__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}

.page-products .dev-panel__facts span {
  color: var(--fog);
  min-width: 84px;
}

.page-products .dev-panel__facts b {
  color: var(--ice);
  font-weight: 700;
}

.page-products .dev-panel__figure {
  margin: 0;
}

.page-products .dev-panel__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
}

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

/* ---------- 重新登录三步 ---------- */

.page-products .relogin__grid {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .relogin-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .relogin-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .relogin-step::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 58px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--line-strong), transparent);
}

.page-products .relogin-step:last-child::before {
  display: none;
}

.page-products .relogin-step__num {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
  background: var(--carbon-2);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%);
}

.page-products .relogin-step__body h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--ice);
}

.page-products .relogin-step__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .relogin__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

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

.page-products .relogin__note {
  padding: 18px 20px;
}

.page-products .relogin__note-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
}

.page-products .relogin__note p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 更新记录 ---------- */

.page-products .updates__visual {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

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

.page-products .upd-list {
  display: grid;
  gap: 8px;
}

.page-products .upd-item {
  background: var(--carbon-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--panel);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-products .upd-item[data-open="true"] {
  border-left-color: var(--red);
  background: var(--panel);
}

.page-products .upd-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: none;
  border: 0;
  color: var(--ice);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .upd-caret {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  position: relative;
}

.page-products .upd-caret::before,
.page-products .upd-caret::after {
  content: "";
  position: absolute;
  background: var(--fog);
  transition: transform .25s var(--ease), background-color .25s var(--ease);
}

.page-products .upd-caret::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-products .upd-caret::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-products .upd-item[data-open="true"] .upd-caret::after {
  transform: scaleY(0);
}

.page-products .upd-item[data-open="true"] .upd-caret::before {
  background: var(--red);
}

.page-products .upd-when {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--lime);
  min-width: 62px;
}

.page-products .upd-what {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14.5px;
  font-weight: 600;
}

.page-products .upd-scope {
  flex: 0 0 auto;
  padding: 3px 9px;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--fog);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.page-products .upd-panel {
  padding: 0 16px 16px 42px;
}

.page-products .upd-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 多设备同步 ---------- */

.page-products .sync__grid {
  display: grid;
  gap: var(--prod-gap);
}

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

.page-products .sync__copy {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .sync-card {
  position: relative;
  padding: 20px 22px 20px 26px;
  background: var(--carbon-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
}

.page-products .sync-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-products .sync-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--ice);
}

.page-products .sync-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 版本时间轴 ---------- */

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

.page-products .ver-node {
  padding: 20px 18px 22px;
  background: var(--carbon-2);
}

.page-products .ver-node__bar {
  display: block;
  height: 4px;
  width: var(--fill, 40%);
  background: linear-gradient(90deg, var(--red-dark), var(--red));
  clip-path: polygon(0 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

.page-products .ver-node--now .ver-node__bar {
  background: linear-gradient(90deg, var(--red), var(--lime));
}

.page-products .ver-node__ver {
  display: block;
  margin-top: 14px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
}

.page-products .ver-node--now .ver-node__ver {
  color: var(--lime);
}

.page-products .ver-node p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .ver-foot {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--red);
}

.page-products .ver-foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .ver-foot a,
.page-products .fix-foot a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 163, 255, .4);
}

.page-products .ver-foot a:hover,
.page-products .fix-foot a:hover {
  border-bottom-color: var(--blue);
}

/* ---------- 常见问题 ---------- */

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

.page-products .fix-card {
  padding: 20px 22px;
  background: var(--carbon-2);
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-products .fix-card:hover {
  transform: translateY(-4px);
  border-color: var(--red);
}

.page-products .fix-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
}

.page-products .fix-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--ice);
}

.page-products .fix-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .fix-foot {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--carbon-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
}

.page-products .fix-foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--fog);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .dev-panel__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: center;
  }

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

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .relogin__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .sync__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ver-track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .prod-hero__side {
    padding-bottom: 8px;
  }
}

@media (max-width: 620px) {
  .page-products .upd-trigger {
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .page-products .upd-what {
    flex: 1 1 100%;
    order: 3;
  }

  .page-products .upd-scope {
    margin-left: auto;
  }

  .page-products .upd-panel {
    padding-left: 16px;
  }

  .page-products .relogin-step {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
  }

  .page-products .relogin-step__num {
    width: 46px;
    height: 46px;
    font-size: 15px;
  }

  .page-products .relogin-step::before {
    left: 22px;
    top: 48px;
  }

  .page-products .prod-hero::before {
    width: 60vw;
    height: 130px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dev-tab,
  .page-products .dev-panel,
  .page-products .upd-item,
  .page-products .upd-caret::before,
  .page-products .upd-caret::after,
  .page-products .fix-card {
    transition: none;
  }

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

.page-products {
  --fill: currentColor;
}