/* ============================================================
   服务与资源 /projects/ —— 页面专属样式
   作用域：.page-products
   ============================================================ */

.page-products {
  --pr-glow-violet: rgba(139, 92, 246, 0.34);
  --pr-glow-cyan: rgba(34, 211, 238, 0.22);
  --pr-panel: rgba(21, 28, 74, 0.82);
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products h2 {
  margin: 8px 0 0;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products h3 {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--white);
}

.page-products a {
  color: var(--cyan);
}

/* ---------------- 首屏 ---------------- */

.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(34px, 6vw, 76px);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -22%;
  width: min(680px, 94vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 34% 32%, var(--pr-glow-violet), transparent 62%),
    radial-gradient(circle at 68% 72%, var(--pr-glow-cyan), transparent 60%);
  pointer-events: none;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44%;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  opacity: 0.85;
  pointer-events: none;
}

.page-products .pr-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
  margin-top: clamp(20px, 4vw, 34px);
  align-items: start;
}

.page-products .pr-hero__copy h1 {
  margin: 10px 0 0;
  max-width: 22ch;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .pr-hero__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-products .pr-ticket {
  position: relative;
  border: 2px solid var(--stone);
  border-left: 4px solid var(--violet);
  background: var(--pr-panel);
  padding: clamp(20px, 4vw, 30px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-ticket__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-products .pr-ticket__ver {
  margin: 6px 0 0;
  font-size: clamp(52px, 13vw, 76px);
  line-height: 1;
  font-weight: 800;
  color: var(--cyan);
}

.page-products .pr-ticket__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-products .pr-ticket__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--stone);
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--cream);
}

.page-products .pr-ticket__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pr-ticket__list span {
  color: var(--orange);
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------------- 清单总览 ---------------- */

.page-products .pr-overview__grid {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  align-items: center;
}

.page-products .pr-overview__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .pr-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pr-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--stone);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-products .pr-points .mono {
  font-size: 13px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pr-points strong {
  color: var(--cream);
  font-weight: 700;
}

.page-products .pr-overview__aside {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-faint);
}

.page-products .pr-overview__aside a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pr-overview__figure,
.page-products .pr-tiers__figure,
.page-products .pr-downloads__figure,
.page-products .pr-devices__figure,
.page-products .pr-cadence__figure {
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--stone);
  background: var(--midnight);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-overview__figure img,
.page-products .pr-tiers__figure img,
.page-products .pr-downloads__figure img,
.page-products .pr-devices__figure img,
.page-products .pr-cadence__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-products .pr-overview__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }
}

/* ---------------- 三档权益 ---------------- */

.page-products .pr-tiers {
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(21, 28, 74, 0.72) 10%,
    rgba(21, 28, 74, 0.72) 90%,
    transparent 100%
  );
}

.page-products .pr-tier-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 4vw, 34px) 0 20px;
}

.page-products .pr-tier-tabs .tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 12px 16px;
  border: 2px solid var(--stone);
  border-radius: 2px;
  background: rgba(11, 16, 48, 0.7);
  color: var(--ink-dim);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .pr-tier-tabs .tab:hover {
  border-color: var(--violet);
  color: var(--cream);
}

.page-products .pr-tier-tabs .tab[aria-selected="true"] {
  border-color: var(--violet);
  background: rgba(139, 92, 246, 0.18);
  color: var(--white);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-tier-tabs .tab:focus-visible,
.page-products .pr-details summary:focus-visible,
.page-products .pr-hero__actions a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .pr-tier-tabs .tab-panel {
  border: 2px solid var(--stone);
  border-top: 3px solid var(--violet);
  background: var(--pr-panel);
  padding: clamp(20px, 4vw, 36px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-tier__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
}

.page-products .pr-tier__count {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 2px;
  padding: 3px 8px;
}

.page-products .pr-tier__intro {
  margin: 14px 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

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

.page-products .pr-tier-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--stone);
  background: rgba(11, 16, 48, 0.55);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-products .pr-tier-list .mono {
  font-size: 11px;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .pr-tiers__figure {
  margin: clamp(26px, 5vw, 44px) 0 0;
}

@media (min-width: 620px) {
  .page-products .pr-tier-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-products .pr-tier-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------------- 下载列表 ---------------- */

.page-products .pr-dl {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--stone);
}

.page-products .pr-dl__item {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--stone);
  transition: background-color 0.2s var(--ease);
}

.page-products .pr-dl__item:hover {
  background: rgba(34, 211, 238, 0.05);
}

.page-products .pr-dl__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-width: 58px;
  height: 28px;
  padding: 0 10px;
  border: 2px solid var(--cyan);
  border-radius: 2px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-products .pr-dl__body h3 {
  font-size: 17px;
}

.page-products .pr-dl__body p {
  margin: 6px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-faint);
}

.page-products .pr-dl__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .pr-dl__ver {
  font-size: 12px;
  padding: 3px 9px;
  border: 1px solid var(--orange);
  border-radius: 2px;
  color: var(--orange);
}

.page-products .pr-dl__batch {
  font-size: 12px;
  color: var(--ink-faint);
}

.page-products .pr-downloads__figure {
  margin: clamp(26px, 5vw, 40px) 0 0;
}

@media (min-width: 760px) {
  .page-products .pr-dl__item {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 18px 12px;
  }
}

/* ---------------- 三步流程 ---------------- */

.page-products .pr-flow {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pr-flow__item {
  position: relative;
  border: 2px solid var(--stone);
  background: var(--pr-panel);
  padding: 26px 22px 28px;
  box-shadow: var(--shadow-hard);
}

.page-products .pr-flow__item::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  width: 46px;
  height: 4px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-products .pr-flow__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pr-flow__item h3 {
  margin: 12px 0 0;
}

.page-products .pr-flow__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .pr-flow__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 840px) {
  .page-products .pr-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------------- 设备与场景 ---------------- */

.page-products .pr-devices {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
}

.page-products .pr-devices__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-products .pr-spec {
  margin: 24px 0 0;
  border-top: 1px solid var(--stone);
}

.page-products .pr-spec > div {
  display: grid;
  grid-template-columns: minmax(0, 128px) minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--stone);
}

.page-products .pr-spec dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  padding-top: 2px;
}

.page-products .pr-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
}

.page-products .pr-details {
  margin-top: 22px;
  border: 1px solid var(--stone);
  background: rgba(11, 16, 48, 0.55);
}

.page-products .pr-details summary {
  cursor: pointer;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
  list-style: none;
}

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

.page-products .pr-details summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .pr-details[open] summary::after {
  content: "−";
}

.page-products .pr-details p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-dim);
}

@media (min-width: 880px) {
  .page-products .pr-devices {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }
}

/* ---------------- 更新节奏 ---------------- */

.page-products .pr-cadence__cols {
  display: grid;
  gap: 20px;
  margin: clamp(22px, 4vw, 34px) 0 clamp(26px, 5vw, 42px);
}

.page-products .pr-cadence__col {
  border-top: 3px solid var(--cyan);
  padding: 18px 0 0;
}

.page-products .pr-cadence__col .mono {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pr-cadence__col h3 {
  margin: 10px 0 0;
  font-size: 19px;
}

.page-products .pr-cadence__col p:not(.mono) {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-products .pr-cadence__note {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-faint);
}

.page-products .pr-cadence__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 780px) {
  .page-products .pr-cadence__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------------- 联系引导 ---------------- */

.page-products .pr-cta {
  display: grid;
  gap: 24px;
  border: 2px solid var(--violet);
  background: linear-gradient(
    140deg,
    rgba(139, 92, 246, 0.22) 0%,
    rgba(21, 28, 74, 0.92) 58%,
    rgba(11, 16, 48, 0.95) 100%
  );
  padding: clamp(26px, 5vw, 46px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-cta__copy h2 {
  margin: 0;
}

.page-products .pr-cta__copy p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

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

@media (min-width: 820px) {
  .page-products .pr-cta {
    grid-template-columns: minmax(0, 1.5fr) auto;
    align-items: center;
  }
}

/* ---------------- 动效降级 ---------------- */

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }
}