:root {
  --bg-0: #0b1020;
  --bg-1: #1a1740;
  --bg-2: #2b1540;
  --card: rgba(255, 248, 236, 0.92);
  --card-deep: rgba(14, 18, 36, 0.78);
  --text: #f7f1e8;
  --text-dark: #1f2430;
  --muted: rgba(247, 241, 232, 0.74);
  --muted-dark: #5b6273;
  --primary: #ff6a3d;
  --primary-2: #ffb347;
  --accent: #7f7dff;
  --accent-2: #ff4f9a;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Trebuchet MS", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 107, 61, 0.22), transparent 24%),
    radial-gradient(circle at 90% 0%, rgba(127, 125, 255, 0.20), transparent 30%),
    radial-gradient(circle at 80% 86%, rgba(255, 79, 154, 0.18), transparent 24%),
    linear-gradient(145deg, var(--bg-0) 0%, var(--bg-1) 42%, var(--bg-2) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.8), transparent 82%);
  opacity: 0.45;
}

a {
  color: inherit;
  text-decoration: none;
}

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

figure {
  margin: 0;
}

button,
a.btn {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: linear-gradient(180deg, rgba(11, 16, 32, 0.86), rgba(11, 16, 32, 0.55));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(255, 106, 61, 0.25);
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-text strong {
  font-size: 1.08rem;
  letter-spacing: 0.06em;
}

.brand-text span {
  font-size: 0.82rem;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 14px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav a {
  padding: 11px 16px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav a:hover,
.nav a.is-active {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.hero {
  padding: 48px 0 26px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 16px 0 14px;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.hero p,
.page-hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.02rem;
}

.hero-copy {
  max-width: 680px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, #ff8a4d 50%, var(--primary-2) 100%);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-points span,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
}

.hero-panel {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 18px 18px auto auto;
  width: 120px;
  height: 120px;
  border-radius: 36px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.24), transparent 60%);
  filter: blur(2px);
}

.panel-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel-card {
  background: rgba(248, 241, 232, 0.96);
  color: var(--text-dark);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
}

.panel-card.large {
  grid-column: 1 / -1;
}

.panel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-note {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.22);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.7;
}

.section {
  padding: 22px 0 42px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2,
.content-section h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.3rem);
}

.section-head p {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  line-height: 1.75;
}

.glass {
  background: linear-gradient(180deg, rgba(255, 248, 236, 0.95), rgba(250, 243, 232, 0.86));
  color: var(--text-dark);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 50px rgba(2, 7, 20, 0.18);
}

.stats-grid,
.feature-grid,
.action-grid,
.faq-grid,
.info-grid,
.timeline-grid {
  display: grid;
  gap: 18px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card,
.feature-card,
.action-card,
.quote-card,
.info-card,
.step-card,
.faq-preview,
.faq-item,
.deep-card {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-card strong {
  display: block;
  font-size: 1.55rem;
  margin-bottom: 8px;
}

.stat-card span,
.stat-card p,
.feature-card p,
.action-card p,
.quote-card p,
.info-card p,
.step-card p,
.faq-preview p,
.deep-card p {
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card h3,
.action-card h3,
.info-card h3,
.step-card h3,
.quote-card h3,
.faq-preview h3,
.faq-item summary,
.deep-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.feature-card small,
.deep-card small {
  display: inline-flex;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

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

.shot-card {
  overflow: hidden;
  background: rgba(248, 241, 232, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: 0 24px 44px rgba(4, 9, 22, 0.24);
}

.shot-card img {
  width: 100%;
  aspect-ratio: 10 / 16;
  object-fit: cover;
}

.shot-card figcaption {
  padding: 12px 14px 15px;
  color: var(--text-dark);
  font-size: 0.94rem;
}

.callout-stack {
  display: grid;
  gap: 18px;
}

.action-card {
  background:
    linear-gradient(135deg, rgba(255, 106, 61, 0.16), rgba(127, 125, 255, 0.16)),
    rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.action-card .btn {
  margin-top: 16px;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.quote-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.quote-card p {
  color: rgba(255, 255, 255, 0.9);
}

.quote-card footer {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
}

.faq-preview-grid,
.content-grid {
  display: grid;
  gap: 18px;
}

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

.faq-preview {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-preview p {
  margin-top: 8px;
}

.mini-link {
  display: inline-flex;
  margin-top: 14px;
  color: #ffd66b;
  font-weight: 700;
}

.page-hero {
  padding: 42px 0 12px;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: stretch;
}

.content-section {
  padding: 16px 0 34px;
}

.content-grid {
  grid-template-columns: 1fr 1fr;
}

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

.info-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  margin-bottom: 12px;
  color: white;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  font-weight: 800;
}

.timeline-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.deep-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.deep-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.deep-card p {
  margin-top: 10px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.footer-cta {
  padding: 24px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.22), rgba(127, 125, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin: 0 auto;
}

.footer-cta .btn {
  margin-top: 12px;
}

.site-footer {
  padding: 18px 0 42px;
}

.footer-inner {
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
}

.footer-inner p {
  margin: 8px 0 0;
}

.disclaimer {
  color: rgba(255, 255, 255, 0.72);
}

.muted {
  color: var(--muted);
}

.text-dark {
  color: var(--text-dark);
}

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

  .stats-grid,
  .feature-grid,
  .quote-grid,
  .faq-preview-grid,
  .timeline-grid,
  .deep-grid,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    width: 100%;
    padding: 10px 0 2px;
    flex-wrap: wrap;
  }

  body.nav-open .nav {
    display: flex;
  }

  .stats-grid,
  .feature-grid,
  .quote-grid,
  .faq-preview-grid,
  .timeline-grid,
  .deep-grid,
  .info-grid,
  .shot-grid,
  .panel-frame {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: start;
  }

  .hero {
    padding-top: 26px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 22px, var(--container));
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-panel {
    padding: 14px;
  }

  .panel-note {
    font-size: 0.84rem;
  }

  .stat-card,
  .feature-card,
  .action-card,
  .quote-card,
  .info-card,
  .step-card,
  .faq-preview,
  .faq-item,
  .deep-card {
    padding: 16px;
  }
}