/**
 * /app 第三套异结构落地（hetero-c）：与 lp-het / app-lp 类名与布局完全独立。
 * 单列主栏 + 横向芯片导航 + Bento 不规则格 + 单焦点掠影 + 文末 CTA + 底部悬浮下载条。
 */
.lp-prz {
  --prz-bg0: #050f0c;
  --prz-bg1: #0c1a16;
  --prz-card: rgba(255, 255, 255, 0.06);
  --prz-line: rgba(45, 212, 191, 0.18);
  --prz-text: #ecfdf5;
  --prz-muted: #94a3b8;
  --prz-cyan: #2dd4bf;
  --prz-violet: #fbbf24;
  --prz-pink: #fb923c;
  --prz-radius: 16px;
  --prz-pad: clamp(16px, 3vw, 28px);
  font-family: "Noto Sans SC", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;
  color: var(--prz-text);
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(45, 212, 191, 0.12), transparent 60%),
    radial-gradient(700px 380px at 0% 30%, rgba(245, 158, 11, 0.12), transparent 55%),
    linear-gradient(180deg, var(--prz-bg0), var(--prz-bg1));
  padding-bottom: 88px;
}

.lp-prz * {
  box-sizing: border-box;
}

.lp-prz-hero {
  border-bottom: 1px solid var(--prz-line);
  background: linear-gradient(105deg, rgba(45, 212, 191, 0.1), transparent 45%);
}

.lp-prz-hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--prz-pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 220px);
  gap: 24px;
  align-items: center;
}

.lp-prz-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--prz-cyan);
}

.lp-prz-title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 850;
  line-height: 1.2;
}

.lp-prz-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--prz-bg0);
  background: linear-gradient(90deg, var(--prz-cyan), var(--prz-violet));
  border-radius: 999px;
  vertical-align: middle;
}

.lp-prz-promise {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--prz-muted);
  max-width: 40rem;
}

.lp-prz-lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--prz-muted);
  max-width: 38rem;
}

.lp-prz-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lp-prz-pill {
  display: inline-block;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--prz-line);
  background: var(--prz-card);
}

.lp-prz-pill--b {
  border-color: rgba(245, 158, 11, 0.35);
  color: #ddd6fe;
}

.lp-prz-hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}

.lp-prz-prism {
  filter: drop-shadow(0 20px 40px rgba(45, 212, 191, 0.25));
  max-width: 100%;
  height: auto;
}

.lp-prz-chips {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  padding: 12px var(--prz-pad);
  background: rgba(7, 10, 18, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--prz-line);
}

.lp-prz-chip {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 650;
  color: var(--prz-text);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.lp-prz-chip:hover {
  border-color: rgba(45, 212, 191, 0.45);
  background: rgba(45, 212, 191, 0.08);
}

.lp-prz-main {
  max-width: 820px;
  margin: 0 auto;
  padding:28px var(--prz-pad) 40px;
}

.lp-prz-section {
  margin-bottom: 36px;
}

.lp-prz-h2 {
  margin: 0 0 14px;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.lp-prz-h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
}

/* Bento */
.lp-prz-bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-areas:
    "a a b c"
    "a a d d";
  gap: 10px;
}

.lp-prz-bento-a {
  grid-area: a;
}
.lp-prz-bento-b {
  grid-area: b;
}
.lp-prz-bento-c {
  grid-area: c;
}
.lp-prz-bento-d {
  grid-area: d;
}

.lp-prz-metric {
  padding: 18px 16px;
  border-radius: var(--prz-radius);
  border: 1px solid var(--prz-line);
  background: linear-gradient(145deg, rgba(45, 212, 191, 0.1), rgba(245, 158, 11, 0.08));
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 100%;
}

.lp-prz-metric-v {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 900;
  color: #fff;
}

.lp-prz-metric-l {
  font-size: 13px;
  color: var(--prz-muted);
  line-height: 1.35;
}

/* Feature diagonal grid */
.lp-prz-feat-diag {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lp-prz-feat-card {
  margin: 0;
  padding: 16px 16px 18px;
  border-radius: var(--prz-radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--prz-card);
}

.lp-prz-feat-card:nth-child(odd) {
  transform: rotate(-0.4deg);
}
.lp-prz-feat-card:nth-child(even) {
  transform: rotate(0.4deg);
}

.lp-prz-feat-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: #c4f1ff;
}

.lp-prz-feat-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--prz-muted);
}

/* Spotlight：上主图 + 下三列（与旧版左右分栏区分） */
.lp-prz-spot-lead {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--prz-muted);
  line-height: 1.65;
  max-width: 48rem;
}

.lp-prz-spotlight--stack {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 26px);
}

.lp-prz-spot-hero {
  margin: 0;
  border-radius: calc(var(--prz-radius) + 4px);
  overflow: hidden;
  border: 1px solid rgba(45, 212, 191, 0.22);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.07) 0%, rgba(5, 15, 12, 0.92) 50%, #050a08 100%);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 0, 0, 0.25);
}

.lp-prz-spot-hero__frame {
  position: relative;
  aspect-ratio: 21 / 10;
  max-height: min(420px, 52vh);
  background: #050806;
}

.lp-prz-spot-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.lp-prz-spot-hero figcaption {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.03em;
  color: #a7f3d0;
  background: linear-gradient(180deg, rgba(8, 22, 18, 0.98), rgba(5, 12, 10, 0.99));
  border-top: 1px solid rgba(45, 212, 191, 0.22);
}

.lp-prz-spot-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.lp-prz-spot-tile {
  margin: 0;
  border-radius: var(--prz-radius);
  overflow: hidden;
  border: 1px solid rgba(45, 212, 191, 0.16);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.05), rgba(5, 15, 12, 0.9));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.lp-prz-spot-tile:hover {
  border-color: rgba(45, 212, 191, 0.4);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(45, 212, 191, 0.1);
  transform: translateY(-2px);
}

.lp-prz-spot-tile__frame {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #0a100e;
}

.lp-prz-spot-tile__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.lp-prz-spot-tile figcaption {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.4;
  color: #e2e8f0;
  background: rgba(3, 10, 8, 0.94);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* Trust grid */
.lp-prz-trust-lead {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--prz-muted);
}

.lp-prz-trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lp-prz-trust-cell {
  margin: 0;
  padding: 14px;
  border-radius: var(--prz-radius);
  border: 1px solid rgba(244, 114, 182, 0.2);
  background: rgba(244, 114, 182, 0.05);
}

.lp-prz-trust-cell h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.lp-prz-trust-cell p {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--prz-muted);
}

.lp-prz-trust-cell img {
  display: block;
  width: 100%;
  max-width: 140px;
  height: auto;
  border-radius: 8px;
}

/* Intro ordered list */
.lp-prz-intro-ol {
  margin: 0;
  padding-left: 20px;
  color: var(--prz-muted);
  font-size: 14px;
  line-height: 1.65;
}

.lp-prz-intro-ol li {
  margin-bottom: 10px;
}

.lp-prz-intro-ol strong {
  color: var(--prz-text);
}

/* Highlights horizontal */
.lp-prz-high-lane {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.lp-prz-high-item {
  display: flex;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 14px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  background: rgba(45, 212, 191, 0.06);
}

.lp-prz-high-i {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--prz-cyan);
}

.lp-prz-high-item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
}

.lp-prz-high-item p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--prz-muted);
}

/* Install */
.lp-prz-install-stack {
  display: grid;
  gap: 20px;
}

.lp-prz-ul {
  margin: 0;
  padding-left: 18px;
  color: var(--prz-muted);
  font-size: 14px;
  line-height: 1.6;
}

.lp-prz-step-ol {
  margin: 0;
  padding-left: 20px;
  counter-reset: przstep;
  list-style: none;
}

.lp-prz-step-ol li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--prz-muted);
  line-height: 1.55;
}

.lp-prz-step-ol li::before {
  counter-increment: przstep;
  content: counter(przstep);
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--prz-bg0);
  background: linear-gradient(135deg, var(--prz-violet), var(--prz-pink));
}

/* End CTA */
.lp-prz-endcta {
  margin: 32px 0 40px;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--prz-line);
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.12), rgba(45, 212, 191, 0.08));
}

.lp-prz-endcta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}

.lp-prz-qr {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lp-prz-qr p {
  margin: 0;
  font-size: 13px;
  color: var(--prz-muted);
  max-width: 12rem;
}

.lp-prz-endcta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.lp-prz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.lp-prz-btn--a {
  color: #042f2e;
  background: linear-gradient(180deg, #34d399, #fbbf24);
  box-shadow: 0 12px 28px rgba(45, 212, 191, 0.25);
}

.lp-prz-btn--b {
  color: #f5f3ff;
  background: linear-gradient(180deg, #8b5cf6, #6366f1);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.28);
}

.lp-prz-btn--c {
  color: var(--prz-text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.lp-prz-btn:hover {
  transform: translateY(-2px);
}

.lp-prz-stores {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.lp-prz-stores a {
  line-height: 0;
}

/* Changelog */
.lp-prz-log-lead {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--prz-muted);
}

.lp-prz-log-row {
  border-left: 3px solid var(--prz-cyan);
  padding-left: 8px;
  margin-left: 4px;
}

/* FAQ blocks (not details — differs from tpl09) */
.lp-prz-faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lp-prz-faq-block {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.lp-prz-faq-q {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 800;
  color: #fde68a;
}

.lp-prz-faq-a {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--prz-muted);
}

/* Legal */
.lp-prz-legal-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  font-size: 13px;
  color: var(--prz-muted);
}

.lp-prz-legal-cols h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--prz-text);
}

.lp-prz-legal-cols ul {
  margin: 0;
  padding-left: 18px;
}

.lp-prz-crumb {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--prz-line);
  font-size: 13px;
  color: var(--prz-muted);
}

.lp-prz-crumb a {
  color: var(--prz-cyan);
  text-decoration: none;
}

/* Bottom dock */
.lp-prz-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0));
  background: rgba(7, 10, 18, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--prz-line);
}

.lp-prz-dock-a,
.lp-prz-dock-b {
  flex: 1;
  max-width: 200px;
  text-align: center;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
  border-radius: 12px;
}

.lp-prz-dock-a {
  color: #042f2e;
  background: linear-gradient(180deg, #34d399, #fbbf24);
}

.lp-prz-dock-b {
  color: #faf5ff;
  background: linear-gradient(180deg, #7c3aed, #4f46e5);
}

@media (max-width: 860px) {
  .lp-prz-hero-grid {
    grid-template-columns: 1fr;
  }
  .lp-prz-hero-art {
    order: -1;
  }
  .lp-prz-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "a a"
      "b c"
      "d d";
  }
  .lp-prz-spot-hero__frame {
    max-height: min(360px, 48vh);
    aspect-ratio: 16 / 10;
  }
  .lp-prz-spot-tiles {
    grid-template-columns: 1fr;
  }
  .lp-prz-high-lane {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lp-prz-trust-grid {
    grid-template-columns: 1fr;
  }
  .lp-prz-legal-cols {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 521px) and (max-width: 860px) {
  .lp-prz-spot-tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .lp-prz-bento {
    grid-template-columns: 1fr;
    grid-template-areas: "a" "b" "c" "d";
  }
  .lp-prz-feat-diag {
    grid-template-columns: 1fr;
  }
  .lp-prz-feat-card:nth-child(odd),
  .lp-prz-feat-card:nth-child(even) {
    transform: none;
  }
  .lp-prz-spot-tiles {
    display: flex;
    flex-direction: row;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .lp-prz-spot-tile {
    flex: 0 0 min(78vw, 280px);
    scroll-snap-align: start;
  }
  .lp-prz-high-lane {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lp-prz-btn:hover,
  .lp-prz-feat-card:nth-child(odd),
  .lp-prz-feat-card:nth-child(even),
  .lp-prz-spot-tile:hover {
    transform: none;
  }
  .lp-prz-spot-tile {
    transition: none;
  }
}