.page-products {
  --pp-gap: clamp(18px, 2.4vw, 32px);
  --pp-radius: var(--k8-r-lg);
  position: relative;
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  display: grid;
  gap: clamp(24px, 3.4vw, 36px);
  padding-top: clamp(26px, 4vw, 54px);
}

.page-products__hero-main .k8-eyebrow {
  margin-top: 14px;
}

.page-products__hero-main .k8-h1 {
  margin: 10px 0 14px;
}

.page-products__hero-actions {
  margin-top: 24px;
  gap: 12px;
}

.page-products__hero-side {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--k8-line);
  border-radius: var(--pp-radius);
  background:
    radial-gradient(130% 110% at 100% 0%, rgba(79, 240, 165, 0.10), transparent 60%),
    var(--k8-steel);
}

.page-products__side-title {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--k8-line);
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k8-mist);
}

.page-products__stat {
  display: grid;
  gap: 4px;
}

.page-products__stat-num {
  color: var(--k8-green);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
}

.page-products__stat-label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--k8-mist);
}

@media (min-width: 940px) {
  .page-products__hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4.5vw, 68px);
  }
}

/* ---------- 区块标题 ---------- */
.page-products__head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-products__head-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k8-mist);
}

@media (min-width: 880px) {
  .page-products__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: clamp(28px, 4vw, 64px);
  }
}

/* ---------- 入口技能树 ---------- */
.page-products__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products__path {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products__branch {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--k8-line);
  border-radius: var(--pp-radius);
  background: var(--k8-steel);
  overflow: hidden;
}

.page-products__branch::before {
  content: "";
  position: absolute;
  inset: 24px auto 24px 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--k8-blue), var(--k8-green));
  opacity: 0.6;
}

.page-products__branch--desktop::before {
  background: linear-gradient(180deg, var(--k8-blue), rgba(47, 123, 255, 0.15));
}

.page-products__branch--mobile::before {
  background: linear-gradient(180deg, var(--k8-green), rgba(79, 240, 165, 0.15));
}

.page-products__branch-rail {
  display: flex;
  justify-content: center;
}

.page-products__branch-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--k8-line);
  background: var(--k8-indigo);
  color: var(--k8-green);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-products__branch-body {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-products__branch-body .k8-h3 {
  margin: 0;
}

.page-products__branch-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--k8-ice);
}

.page-products__branch-media {
  margin: 4px 0 0;
}

.page-products__branch-media--narrow {
  max-width: 250px;
}

.page-products__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--k8-mist);
}

.page-products__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--k8-green);
}

.page-products__toggle {
  justify-self: start;
  font-size: 14px;
  padding: 8px 16px;
}

.page-products__branch-more {
  padding: 14px 16px;
  border-left: 2px solid var(--k8-blue);
  border-radius: 0 var(--k8-r-sm) var(--k8-r-sm) 0;
  background: rgba(47, 123, 255, 0.07);
}

.page-products__branch-more p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--k8-mist);
}

@media (min-width: 900px) {
  .page-products__branch--web {
    margin-right: 22%;
  }
  .page-products__branch--desktop {
    margin-right: 11%;
  }
}

/* ---------- 双场连看 ---------- */
.page-products__switch-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products__switch-media {
  margin: 0;
}

.page-products__tabs {
  margin-top: clamp(24px, 3.4vw, 42px);
}

.page-products__tabs .k8-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--k8-line);
}

.page-products__tabs .k8-tabs__btn {
  padding: 9px 18px;
  border: 1px solid var(--k8-line);
  border-radius: 999px;
  background: transparent;
  color: var(--k8-mist);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-products__tabs .k8-tabs__btn:hover {
  color: var(--k8-ice);
  border-color: var(--k8-blue);
}

.page-products__tabs .k8-tabs__btn[aria-selected="true"],
.page-products__tabs .k8-tabs__btn[data-active] {
  background: var(--k8-green);
  border-color: var(--k8-green);
  color: var(--k8-black);
}

.page-products .k8-tabs__panel:not([data-active]) {
  display: none;
}

.page-products__panel {
  padding-top: clamp(20px, 2.6vw, 28px);
  max-width: 62ch;
}

.page-products__panel .k8-h4 {
  margin: 0 0 8px;
}

.page-products__panel .k8-prose {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products__switch-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    gap: clamp(30px, 4.5vw, 64px);
  }
}

/* ---------- 刷新 ---------- */
.page-products__refresh-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products__refresh-item {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-md);
  background: var(--k8-indigo);
}

.page-products__refresh-item .k8-h4 {
  margin: 0;
}

.page-products__refresh-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k8-mist);
}

.page-products__pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--k8-green);
  animation: pp-pulse 3.2s ease-in-out infinite;
}

@keyframes pp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(79, 240, 165, 0.5);
    opacity: 1;
  }
  60% {
    box-shadow: 0 0 0 9px rgba(79, 240, 165, 0);
    opacity: 0.82;
  }
  100% {
    box-shadow: 0 0 0 0 rgba(79, 240, 165, 0);
    opacity: 1;
  }
}

.page-products__refresh-note {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products__refresh-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k8-mist);
}

@media (min-width: 820px) {
  .page-products__refresh-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 换机衔接 ---------- */
.page-products__swap-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-products__swap-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products__swap-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 28px;
}

.page-products__swap-step:last-child {
  padding-bottom: 0;
}

.page-products__swap-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--k8-line), rgba(35, 56, 79, 0));
}

.page-products__swap-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--k8-indigo);
  border: 1px solid var(--k8-line);
  color: var(--k8-blue);
  font-size: 15px;
}

.page-products__swap-body .k8-h4 {
  margin: 6px 0 6px;
}

.page-products__swap-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k8-mist);
}

.page-products__swap-media {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products__swap-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
}

/* ---------- 数据面板 ---------- */
.page-products__panel-layout {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products__panel-media {
  margin: 0;
}

.page-products__panel-body .k8-h2 {
  margin: 8px 0 14px;
}

.page-products__panel-list {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--k8-line);
}

.page-products__panel-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--k8-line);
}

.page-products__panel-row dt {
  font-family: var(--k8-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--k8-blue);
}

.page-products__panel-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--k8-mist);
}

.page-products__devices {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  margin-top: clamp(30px, 4vw, 52px);
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--k8-line);
  border-radius: var(--pp-radius);
  background: linear-gradient(120deg, rgba(12, 42, 32, 0.85), var(--k8-steel) 62%);
}

.page-products__devices-copy .k8-h4 {
  margin: 0 0 10px;
}

.page-products__devices-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k8-mist);
}

.page-products__device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products__device-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--k8-ice);
}

.page-products__device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--k8-orange);
}

@media (min-width: 900px) {
  .page-products__panel-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 66px);
  }
  .page-products__devices {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }
}

/* ---------- 收尾入口 ---------- */
.page-products__outro-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products__outro-card {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-md);
  background: var(--k8-steel);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.page-products__outro-card:hover,
.page-products__outro-card:focus-visible {
  border-color: var(--k8-blue);
  background: var(--k8-indigo);
  transform: translateY(-3px);
}

.page-products__outro-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--k8-ice);
}

.page-products__outro-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--k8-mist);
}

.page-products__outro-link {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--k8-green);
}

@media (min-width: 820px) {
  .page-products__outro-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products__pulse {
    animation: none;
  }
  .page-products__outro-card {
    transition: none;
  }
}
</main>