:root {
  --brand: #e91e63;
  --brand-dark: #c2185b;
  --accent: #ff9800;
  --accent-soft: #ffb74d;
  --bg: #0f0f12;
  --bg-card: #1a1a22;
  --bg-soft: #242430;
  --text: #f5f5f7;
  --text-muted: #a0a0b0;
  --line: rgba(255, 255, 255, 0.08);
  --grad: linear-gradient(135deg, #ff9800 0%, #e91e63 100%);
  --radius: 12px;
  --max: 1120px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #fff;
}

ul,
ol {
  padding-left: 1.25rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 18, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-muted);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

.nav a:hover,
.nav a.active {
  color: #fff;
  background: var(--bg-soft);
}

.nav-cta {
  background: var(--grad) !important;
  color: #fff !important;
  font-weight: 600;
}

.menu-toggle {
  display: none;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 2.5rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(233, 30, 99, 0.22), transparent),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(255, 152, 0, 0.15), transparent),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-brand {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(233, 30, 99, 0.35);
}

.btn-secondary {
  background: var(--bg-soft);
  color: #fff;
  border: 1px solid var(--line);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-tags span {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -8% -8% auto;
  width: 45%;
  height: 45%;
  background: var(--grad);
  opacity: 0.25;
  filter: blur(40px);
  z-index: -1;
  border-radius: 50%;
}

/* Sections */
.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 48em;
}

.section-head h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

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

.section-alt {
  background: linear-gradient(180deg, rgba(26, 26, 34, 0.6), transparent);
}

/* Cards / grids */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(233, 30, 99, 0.4);
  transform: translateY(-3px);
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.shot-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.shot-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
}

.shot-item figcaption {
  padding: 0.75rem 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.shot-item strong {
  display: block;
  color: #fff;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.shot-grid-wide {
  grid-template-columns: repeat(3, 1fr);
}

.shot-grid-wide .shot-item img {
  aspect-ratio: 9 / 18;
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.duo img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

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

.prose h2,
.prose h3 {
  color: #fff;
  margin: 1.75rem 0 0.75rem;
  line-height: 1.4;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: 1rem;
}

.prose ul,
.prose ol {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.highlight-box {
  background: var(--bg-card);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.1rem 1.25rem;
  margin: 1.25rem 0;
  color: var(--text-muted);
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 0.75rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  list-style: none;
}

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

.faq details[open] summary {
  margin-bottom: 0.65rem;
  color: var(--accent-soft);
}

.faq details p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 80% at 90% 0%, rgba(233, 30, 99, 0.18), transparent),
    var(--bg);
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 40em;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: #fff;
}

.content-wrap {
  padding: 2.5rem 0 3.5rem;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.legal-nav a {
  padding: 0.4rem 0.85rem;
  background: var(--bg-soft);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 3rem 0;
}

.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.error-page h1 {
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #0a0a0d;
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  color: #fff;
  font-weight: 700;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-grid h4 {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
}

.footer-grid li {
  margin-bottom: 0.45rem;
}

.footer-grid a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-copy,
.hero-visual {
  animation: fadeUp 0.7s ease both;
}

.hero-visual {
  animation-delay: 0.12s;
}

.feature-card,
.shot-item {
  animation: fadeUp 0.55s ease both;
}

/* Mobile */
@media (max-width: 960px) {
  .hero-grid,
  .duo,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .shot-grid,
  .shot-grid-wide {
    grid-template-columns: 1fr 1fr;
  }

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

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: rgba(15, 15, 18, 0.98);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    gap: 0.25rem;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.75rem 0.85rem;
  }

  .hero {
    padding: 2rem 0 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .shot-grid,
  .shot-grid-wide {
    grid-template-columns: 1fr;
  }

  .shot-item img {
    aspect-ratio: 9 / 14;
    max-height: 420px;
    width: 100%;
    margin-inline: auto;
  }

  .hero-brand {
    font-size: 1.9rem;
  }

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

  .btn {
    width: 100%;
  }
}