:root {
  --bg: #0b1020;
  --bg-2: #111a33;
  --panel: rgba(18, 25, 48, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f7f1ea;
  --muted: #c8c2d4;
  --accent: #ff7a59;
  --accent-2: #8c7dff;
  --accent-3: #45d5c3;
  --accent-4: #ffd36a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 122, 89, 0.18), transparent 22%),
    radial-gradient(circle at 82% 0%, rgba(140, 125, 255, 0.24), transparent 24%),
    radial-gradient(circle at 76% 86%, rgba(69, 213, 195, 0.12), transparent 20%),
    linear-gradient(180deg, #0a1020 0%, #0d1326 40%, #09101d 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px, 72px 72px;
  background-position: 0 0, 14px 14px;
  opacity: 0.28;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 95%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(8, 12, 25, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(255, 122, 89, 0.28);
}

.brand span {
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-download {
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 122, 89, 0.96), rgba(255, 211, 106, 0.96));
  color: #1a1120 !important;
  font-weight: 800;
  box-shadow: 0 16px 36px rgba(255, 122, 89, 0.28);
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
}

.section-pad {
  padding: 28px 0;
}

.panel,
.info-card,
.shot-card,
.quote-card,
.timeline-card,
.content-panel,
.download-band,
.faq-preview,
.mini-faq-grid details {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(18, 25, 48, 0.96), rgba(12, 18, 35, 0.98));
  box-shadow: var(--shadow);
}

.panel {
  border-radius: var(--radius-xl);
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
  align-items: center;
}

.hero-copy,
.hero-art {
  padding: 34px;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffe3bd;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.hero h1,
.page-hero h1 {
  margin: 16px 0 14px;
  line-height: 1.05;
  font-size: clamp(34px, 5vw, 60px);
}

.lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 60ch;
}

.cta-row,
.trust-row,
.footer-links,
.footer-grid,
.download-band {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-row {
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.nav-links a:hover {
  transform: translateY(-1px);
}

.btn.primary {
  color: #22151b;
  background: linear-gradient(135deg, var(--accent), var(--accent-4));
  box-shadow: 0 18px 36px rgba(255, 122, 89, 0.28);
}

.btn.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-row {
  margin-top: 18px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-chip.accent {
  color: #ffe6d8;
  background: rgba(255, 122, 89, 0.14);
  border-color: rgba(255, 122, 89, 0.28);
}

.section-head {
  margin-bottom: 18px;
}

.section-head.slim {
  margin-bottom: 12px;
}

.section-head h2,
.content-panel h2,
.download-band h2 {
  margin: 12px 0 8px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 16px;
}

.card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.quote-card,
.timeline-card,
.content-panel {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.info-card h3,
.timeline-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.info-card p,
.timeline-card p,
.content-panel p,
.quote-card p,
.mini-faq-grid p,
.faq-list p {
  margin: 0;
  color: var(--muted);
}

.accent-panel {
  background:
    linear-gradient(180deg, rgba(20, 28, 56, 0.96), rgba(10, 18, 34, 0.98)),
    radial-gradient(circle at 100% 0%, rgba(255, 122, 89, 0.08), transparent 24%);
}

.hero-art {
  position: relative;
  min-height: 560px;
}

.phone-mock {
  position: relative;
  width: min(100%, 390px);
  margin: 0 auto;
  padding: 16px;
  border-radius: 38px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 28px 80px rgba(0, 0, 0, 0.44);
}

.phone-top {
  width: 120px;
  height: 22px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.38);
}

.phone-screen {
  position: relative;
  border-radius: 30px;
  padding: 18px;
  min-height: 490px;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 122, 89, 0.18), transparent 22%),
    radial-gradient(circle at 100% 4%, rgba(140, 125, 255, 0.18), transparent 20%),
    rgba(10, 15, 31, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.phone-screen img {
  width: 100%;
  border-radius: 20px;
  margin: 14px 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.screen-card {
  border-radius: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(255, 122, 89, 0.16), rgba(140, 125, 255, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.screen-card strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.screen-card small,
.screen-label {
  color: var(--muted);
}

.screen-card-primary {
  margin-bottom: 4px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mini-tile {
  border-radius: 16px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.mini-tile span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.mini-tile strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.pink { background: rgba(255, 122, 89, 0.14); }
.blue { background: rgba(140, 125, 255, 0.14); }
.gold { background: rgba(255, 211, 106, 0.14); }
.green { background: rgba(69, 213, 195, 0.14); }

.floating-note {
  position: absolute;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 12px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
}

.note-left {
  left: 10px;
  top: 80px;
}

.note-right {
  right: 12px;
  bottom: 84px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.shot-card {
  border-radius: 20px;
  overflow: hidden;
  padding: 10px;
}

.shot-card img {
  width: 100%;
  aspect-ratio: 9 / 12;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.shot-card figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.timeline,
.check-list {
  margin: 18px 0 20px;
  padding-left: 18px;
}

.timeline.compact li {
  margin-bottom: 12px;
}

.check-list li {
  margin-bottom: 10px;
}

.quote-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 170px;
}

.quote-card cite {
  color: #ffe3bd;
  font-style: normal;
  font-size: 13px;
}

.faq-preview {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.mini-faq-grid {
  display: grid;
  gap: 12px;
}

.mini-faq-grid details,
.faq-list details {
  border-radius: 18px;
  padding: 14px 16px;
}

.mini-faq-grid summary,
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.mini-faq-grid p,
.faq-list p {
  margin-top: 10px;
}

.download-band {
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-xl);
}

.content-panel {
  min-height: 100%;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.timeline-card {
  position: relative;
  overflow: hidden;
}

.timeline-num {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 12px;
  background: linear-gradient(135deg, rgba(255, 122, 89, 0.95), rgba(255, 211, 106, 0.95));
  color: #26141f;
  font-weight: 900;
}

.site-footer {
  margin-top: 20px;
  padding: 18px 0 30px;
}

.footer-grid {
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
}

.footer-grid strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.footer-grid p,
.footer-note p {
  margin: 0;
  color: var(--muted);
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
}

.footer-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  gap: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero,
  .page-hero,
  .split {
    grid-template-columns: 1fr;
  }

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

  .card-grid.three,
  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 20px, 1160px);
  }

  .nav-inner {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 4px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
  }

  .hero-copy,
  .hero-art,
  .content-panel,
  .download-band,
  .faq-preview {
    padding: 20px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(30px, 9vw, 44px);
  }

  .card-grid.two,
  .card-grid.three,
  .gallery-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .download-band,
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .phone-mock {
    width: 100%;
  }

  .floating-note {
    display: none;
  }
}