:root {
  --bg: #0a0a0c;
  --bg-soft: #121218;
  --bg-card: #1a1a22;
  --line: #2a2a35;
  --text: #e8e6e3;
  --muted: #9a9690;
  --accent: #e11d48;
  --accent-soft: #fb7185;
  --gold: #f5c542;
  --max: 1120px;
  --radius: 12px;
  --font-display: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
}

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

a {
  color: var(--accent-soft);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 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;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

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

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  align-items: center;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover,
.nav a.active {
  color: #fff;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: flex-end;
  padding: 4rem 0 3.5rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0.35) 0%, rgba(10, 10, 12, 0.88) 70%, var(--bg) 100%),
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(225, 29, 72, 0.22), transparent 55%),
    #0a0a0c;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  animation: fadeUp 0.9s ease both;
}

.hero-brand {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: 0.04em;
  color: #fff;
}

.hero h1 {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 600;
  color: var(--accent-soft);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.75rem;
  max-width: 34em;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #be123c;
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: #fff;
}

.btn-ghost:hover {
  border-color: var(--accent-soft);
  color: #fff;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  border-block: 1px solid var(--line);
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-head h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  line-height: 1.3;
  color: #fff;
}

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

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

.prose h2,
.prose h3 {
  color: #fff;
  margin-top: 2rem;
}

.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 1.1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
  margin: 0 0 1.25rem;
}

.prose li {
  margin-bottom: 0.45rem;
}

.prose strong {
  color: #fff;
  font-weight: 600;
}

/* Grids */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.shot-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.shot-card:hover {
  border-color: rgba(225, 29, 72, 0.5);
  transform: translateY(-3px);
}

.shot-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #000;
}

.shot-card.wide img {
  aspect-ratio: 9 / 16;
}

.shot-card figcaption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.shot-card figcaption strong {
  display: block;
  color: #fff;
  margin-bottom: 0.25rem;
  font-size: 0.98rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.feature-item img {
  border-radius: 8px;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  object-position: top;
  background: #000;
}

.feature-item h3 {
  margin: 0 0 0.5rem;
  color: #fff;
  font-size: 1.15rem;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

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

.cat-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.cat-card h3 {
  margin: 0;
  padding: 0.85rem 1rem 0.2rem;
  font-size: 1rem;
  color: #fff;
}

.cat-card p {
  margin: 0;
  padding: 0 1rem 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}

.step h3 {
  margin: 0 0 0.45rem;
  color: #fff;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  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 {
  color: var(--accent-soft);
  margin-bottom: 0.65rem;
}

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

.seo-block {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
}

.seo-block h2 {
  margin-top: 2.25rem;
}

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

.inline-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.25rem 0;
}

.inline-nav a {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
}

.inline-nav a:hover {
  border-color: var(--accent);
  color: #fff;
}

/* Legal / inner pages */
.page-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 10% 0%, rgba(225, 29, 72, 0.18), transparent 50%),
    var(--bg);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: #fff;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
}

.page-body {
  padding: 2.5rem 0 4rem;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

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

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

/* Error pages */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.error-page h1 {
  margin: 0 0 0.75rem;
  color: #fff;
}

.error-page p {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #070709;
  padding: 2.5rem 0 1.5rem;
  margin-top: 2rem;
}

.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;
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.footer-grid h4 {
  margin: 0 0 0.85rem;
  color: #fff;
  font-size: 0.95rem;
}

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

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

.footer-grid a {
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.15rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Mobile */
@media (max-width: 960px) {
  .shot-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .feature-item img {
    max-height: 360px;
    margin-inline: auto;
    max-width: 280px;
  }

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

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

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

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: rgba(10, 10, 12, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .nav.open {
    display: flex;
  }

  .header-inner {
    position: relative;
  }

  .hero {
    min-height: auto;
    padding: 3rem 0 2.5rem;
    align-items: flex-end;
  }

  .hero-bg img {
    opacity: 0.35;
  }

  .shot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .shot-card figcaption {
    padding: 0.65rem 0.7rem 0.8rem;
    font-size: 0.8rem;
  }

  .cat-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }
}