.page-products {
  --pp-line: rgba(243, 235, 221, 0.14);
  --pp-line-strong: rgba(243, 235, 221, 0.26);
  --pp-gap: clamp(20px, 3vw, 36px);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .wrap {
  width: min(100% - 2 * var(--gutter), var(--maxw));
  margin-inline: auto;
}

.page-products h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--cream);
}

.page-products h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.9vw, 1.45rem);
  line-height: 1.32;
  font-weight: 700;
  color: var(--cream);
}

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

.page-products p:last-child {
  margin-bottom: 0;
}

.page-products a {
  color: var(--cream);
  text-decoration: none;
}

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

.page-products a:focus-visible,
.page-products label:focus-visible,
.page-products .tab-radio:focus-visible + .tab-btn,
.page-products .dev-radio:focus-visible + .dev-tabs label {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

.page-products .pp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-products .pp-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--lime);
}

.page-products .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-products .sec-head p {
  color: rgba(243, 235, 221, 0.78);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.2vw, 34px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(900px 380px at 82% 0%, rgba(18, 59, 143, 0.9), rgba(7, 19, 38, 0) 72%),
    linear-gradient(168deg, #0d2a63 0%, var(--ink) 66%);
}

.page-products .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(79, 209, 197, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 209, 197, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 85%);
}

.page-products .hero::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -12%;
  width: 46%;
  height: 130%;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 47%, rgba(183, 255, 60, 0.07) 47.6%, rgba(183, 255, 60, 0.07) 48.4%, transparent 49%);
}

.page-products .crumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .crumb a {
  padding-bottom: 2px;
  border-bottom: 1px solid var(--pp-line-strong);
  color: var(--cream);
}

.page-products .crumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--rock);
}

.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--cream);
}

.page-products .hero-lead {
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: rgba(243, 235, 221, 0.84);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-products .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(18px, 3vw, 34px);
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
}

.page-products .hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .hero-stats .mono {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-products .hero-stats em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(243, 235, 221, 0.66);
}

.page-products .hero-media {
  margin: 0;
  align-self: end;
}

.page-products .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pp-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  background: #0a1526;
}

.page-products .hero-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(243, 235, 221, 0.55);
}

/* ---------- 功能索引与面板 ---------- */
.page-products .fn {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-products .fn-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-products .fn-index-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-products .fn-index ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
}

.page-products .fn-index li {
  border-bottom: 1px solid var(--pp-line);
}

.page-products .fn-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 6px;
  font-size: 14px;
  color: rgba(243, 235, 221, 0.7);
  border-left: 2px solid transparent;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-products .fn-index a .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-products .fn-index a:hover,
.page-products .fn-index a:focus-visible {
  color: var(--lime);
  background: rgba(183, 255, 60, 0.06);
  border-left-color: var(--lime);
}

.page-products .fn-index-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: rgba(243, 235, 221, 0.6);
}

.page-products .fn-index-note a {
  border-bottom: 1px solid var(--lime);
  color: var(--lime);
}

.page-products .fn-panel {
  position: relative;
  padding: clamp(20px, 3.2vw, 36px);
  background: var(--blue-ink);
  border: 1px solid var(--pp-line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  scroll-margin-top: 108px;
}

.page-products .fn-panel + .fn-panel {
  margin-top: var(--pp-gap);
}

.page-products .fn-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 46px;
  background: var(--lime);
}

.page-products .p-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .fn-panel p {
  color: rgba(243, 235, 221, 0.82);
}

.page-products .panel-tail {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--pp-line-strong);
  font-size: 14px;
  color: rgba(243, 235, 221, 0.7);
}

.page-products .panel-tail a {
  color: var(--lime);
  border-bottom: 1px solid rgba(183, 255, 60, 0.5);
}

.page-products .panel-media {
  margin: 20px 0 0;
}

.page-products .panel-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pp-line);
  background: #0a1526;
  object-fit: cover;
}

.page-products .panel-media--narrow img {
  max-width: 100%;
}

/* ---------- 项目标签 ---------- */
.page-products .tabs {
  margin-top: 18px;
}

.page-products .tab-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .tab-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 6px 8px 0;
  padding: 7px 13px;
  border: 1px solid var(--pp-line-strong);
  font-size: 13px;
  color: rgba(243, 235, 221, 0.72);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-products .tab-btn em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.page-products .tab-btn:hover {
  border-color: var(--lime);
  color: var(--cream);
}

.page-products .tab-radio:checked + .tab-btn {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-products .tab-radio:checked + .tab-btn em {
  color: var(--blue);
}

.page-products .tab-panes {
  margin-top: 14px;
  padding: 16px;
  background: rgba(7, 19, 38, 0.55);
  border-left: 2px solid var(--cyan);
}

.page-products .tab-pane {
  display: none;
}

.page-products .tab-radio:nth-of-type(1):checked ~ .tab-panes .tab-pane:nth-child(1),
.page-products .tab-radio:nth-of-type(2):checked ~ .tab-panes .tab-pane:nth-child(2),
.page-products .tab-radio:nth-of-type(3):checked ~ .tab-panes .tab-pane:nth-child(3),
.page-products .tab-radio:nth-of-type(4):checked ~ .tab-panes .tab-pane:nth-child(4),
.page-products .tab-radio:nth-of-type(5):checked ~ .tab-panes .tab-pane:nth-child(5),
.page-products .tab-radio:nth-of-type(6):checked ~ .tab-panes .tab-pane:nth-child(6) {
  display: block;
}

.page-products .pane-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .tab-pane p:last-child {
  margin-bottom: 0;
  font-size: 14px;
}

/* ---------- 订阅开关 ---------- */
.page-products .sub-demo {
  margin-top: 18px;
  border-top: 1px solid var(--pp-line);
}

.page-products .sub-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .sub-name {
  font-size: 14px;
  color: rgba(243, 235, 221, 0.86);
}

.page-products .sub-switch {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  cursor: pointer;
}

.page-products .sub-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .sub-track {
  position: relative;
  display: block;
  width: 52px;
  height: 26px;
  border: 1px solid var(--pp-line-strong);
  background: rgba(62, 74, 87, 0.6);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-products .sub-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--rock);
  transition: transform 0.18s ease, background 0.18s ease;
}

.page-products .sub-switch input:checked + .sub-track {
  background: rgba(183, 255, 60, 0.22);
  border-color: var(--lime);
}

.page-products .sub-switch input:checked + .sub-track::after {
  transform: translateX(26px);
  background: var(--lime);
}

.page-products .sub-switch input:focus-visible + .sub-track {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 动态要点 ---------- */
.page-products .feed-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .feed-points li {
  padding: 12px 14px;
  background: rgba(7, 19, 38, 0.55);
  border-left: 2px solid var(--orange);
  font-size: 14px;
  color: rgba(243, 235, 221, 0.8);
}

.page-products .feed-points .mono {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

/* ---------- 设备预览 ---------- */
.page-products .devices {
  padding: clamp(44px, 6vw, 88px) 0 0;
}

.page-products .dev {
  border: 1px solid var(--pp-line);
  background: linear-gradient(180deg, rgba(18, 59, 143, 0.22), rgba(7, 19, 38, 0.9));
  padding: clamp(16px, 2.6vw, 28px);
}

.page-products .dev-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .dev-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-products .dev-btn {
  padding: 9px 16px;
  border: 1px solid var(--pp-line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(243, 235, 221, 0.7);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-products .dev-btn:hover {
  border-color: var(--cyan);
  color: var(--cream);
}

.page-products #dev-desk:checked ~ .dev-tabs label[for="dev-desk"],
.page-products #dev-mob:checked ~ .dev-tabs label[for="dev-mob"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products .dev-stage {
  display: grid;
}

.page-products .dev-panel {
  display: none;
}

.page-products .dev-radio:nth-of-type(1):checked ~ .dev-stage .dev-panel:nth-child(1),
.page-products .dev-radio:nth-of-type(2):checked ~ .dev-stage .dev-panel:nth-child(2) {
  display: block;
}

.page-products .dev-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: rgba(243, 235, 221, 0.66);
}

.page-products .mock {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  min-height: 210px;
  padding: 14px;
  background: #0a1526;
  border: 1px solid var(--pp-line);
}

.page-products .mock-side {
  display: grid;
  align-content: start;
  gap: 10px;
  padding-right: 10px;
  border-right: 1px solid var(--pp-line);
}

.page-products .mock-bar {
  display: block;
  height: 8px;
  background: rgba(243, 235, 221, 0.16);
}

.page-products .mock-bar:first-child {
  background: var(--lime);
  opacity: 0.85;
}

.page-products .mock-bar:nth-child(3) {
  width: 74%;
}

.page-products .mock-bar:nth-child(5) {
  width: 58%;
}

.page-products .mock-main {
  display: grid;
  align-content: start;
  gap: 8px;
}

.page-products .mock-card {
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 10px;
  background: rgba(18, 59, 143, 0.5);
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(243, 235, 221, 0.66);
}

.page-products .phone {
  width: min(260px, 100%);
  margin-inline: auto;
  padding: 10px;
  background: #0a1526;
  border: 1px solid var(--pp-line-strong);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.page-products .phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* ---------- 适用人群 ---------- */
.page-products .audience {
  padding: clamp(44px, 6vw, 88px) 0 0;
}

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

.page-products .aud-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .aud-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--moss);
  padding-top: 4px;
}

.page-products .aud-list h3 {
  margin-bottom: 6px;
}

.page-products .aud-list p {
  margin: 0;
  font-size: 15px;
  color: rgba(243, 235, 221, 0.76);
}

.page-products .aud-list a {
  color: var(--lime);
  border-bottom: 1px solid rgba(183, 255, 60, 0.45);
  white-space: nowrap;
}

/* ---------- 三步路线 ---------- */
.page-products .route {
  padding: clamp(44px, 6vw, 88px) 0 0;
}

.page-products .route-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .route-steps li {
  position: relative;
  padding: 20px 20px 20px 22px;
  background: rgba(18, 59, 143, 0.28);
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--lime);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-products .route-steps li:hover,
.page-products .route-steps li:focus-within {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(18, 59, 143, 0.42);
}

.page-products .step-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-products .route-steps h3 {
  margin-bottom: 6px;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.page-products .route-steps p {
  margin: 0;
  font-size: 14px;
  color: rgba(243, 235, 221, 0.76);
}

.page-products .route-help {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  color: rgba(243, 235, 221, 0.7);
}

.page-products .route-help a {
  color: var(--lime);
  border-bottom: 1px solid rgba(183, 255, 60, 0.45);
}

/* ---------- 收尾 ---------- */
.page-products .closing {
  margin-top: clamp(44px, 6vw, 88px);
  padding: clamp(28px, 4vw, 48px) 0;
  background:
    repeating-linear-gradient(135deg, rgba(183, 255, 60, 0.05) 0 2px, transparent 2px 12px),
    var(--blue);
}

.page-products .closing-inner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .closing h2 {
  margin-bottom: 10px;
}

.page-products .closing p {
  max-width: 54ch;
  margin: 0;
  color: rgba(243, 235, 221, 0.84);
}

.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .feed-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .route-steps li::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -19px;
    width: 18px;
    height: 1px;
    background: var(--pp-line-strong);
  }

  .page-products .route-steps li:last-child::after {
    display: none;
  }

  .page-products .aud-list li {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 22px;
  }

  .page-products .closing-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .closing-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 920px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }

  .page-products .mock {
    min-height: 280px;
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-products .fn-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .fn-index {
    position: sticky;
    top: clamp(84px, 12vh, 120px);
  }

  .page-products .tab-panes {
    padding: 20px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fn-index a,
  .page-products .tab-btn,
  .page-products .dev-btn,
  .page-products .sub-track,
  .page-products .sub-track::after,
  .page-products .route-steps li {
    transition: none;
  }

  .page-products .route-steps li:hover,
  .page-products .route-steps li:focus-within {
    transform: none;
  }
}