:root {
  --bg: #0a0a0c;
  --bg-elevated: #141418;
  --bg-soft: #1c1c22;
  --text: #f2f2f4;
  --text-muted: #a8a8b3;
  --accent: #e11d2e;
  --accent-hover: #ff2d40;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(225, 29, 46, 0.18), transparent 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(255, 255, 255, 0.05), transparent 50%),
    linear-gradient(180deg, #101014 0%, var(--bg) 28%, #08080a 100%);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: #ff7a86;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #ffb0b7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 12, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

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

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

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

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

.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.hero {
  padding: 3.2rem 0 2.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  line-height: 1.25;
  font-weight: 400;
}

.hero-copy .lead {
  margin: 0 0 1.4rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.78rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #9f1020);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-visual {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  animation: riseIn 0.8s ease both;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  max-height: 560px;
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  padding: 2.8rem 0;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
  font-weight: 400;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 46rem;
}

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

.prose p {
  margin: 0 0 1rem;
}

.prose h3 {
  margin: 1.6rem 0 0.7rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
}

.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

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

.feature-grid,
.shot-grid,
.cat-grid {
  display: grid;
  gap: 1rem;
}

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

.feature-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  animation: fadeUp 0.7s ease both;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 400;
}

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

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

.shot-item {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.shot-item:hover {
  transform: translateY(-4px);
  border-color: rgba(225, 29, 46, 0.45);
}

.shot-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.shot-item figcaption {
  padding: 0.7rem 0.8rem 0.9rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

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

.cat-link {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.cat-link:hover {
  border-color: rgba(225, 29, 46, 0.5);
  background: #1a1a20;
  color: var(--text);
}

.cat-link strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-display);
  font-weight: 400;
}

.cat-link span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

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

.split-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  max-height: 640px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elevated);
  padding: 0.9rem 1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--text-muted);
}

.page-hero {
  padding: 2.4rem 0 1rem;
}

.page-hero h1 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 400;
}

.page-hero p {
  margin: 0;
  color: var(--text-muted);
  max-width: 42rem;
}

.breadcrumbs {
  margin-bottom: 0.9rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.legal-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.4rem 1.5rem;
}

.error-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-wrap h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
}

.error-wrap p {
  margin: 0 0 1.2rem;
  color: var(--text-muted);
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  padding: 2rem 0 1.6rem;
}

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

.site-footer h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
}

.site-footer p,
.site-footer a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.site-footer li {
  margin-bottom: 0.4rem;
}

.copyright {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: #7d7d88;
  font-size: 0.85rem;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 1.6rem;
}

.toc a {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.toc a:hover {
  color: var(--text);
  border-color: rgba(225, 29, 46, 0.4);
}

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

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

  .hero-visual img,
  .split-media img {
    max-height: 480px;
  }
}

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

  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(12, 12, 16, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1rem 1rem;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.7rem 0.2rem;
    border-bottom: 1px solid var(--line);
  }

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

  .hero {
    padding-top: 1.8rem;
  }

  .hero-copy h1 {
    font-size: 1.7rem;
  }
}

/* Sticky ads bar below header */
.ads-sticky {
  position: sticky;
  top: 68px;
  z-index: 90;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 12, 0.92);
  border-bottom: 1px solid var(--line);
  padding: 8px 0 6px;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 4px 2px;
  background: transparent;
  margin: 0;
  padding: 0 8px;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
  box-sizing: border-box;
}

#ads figure {
  margin: 0;
}

#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.35);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: linear-gradient(135deg, #fff, #fff);
  max-width: none;
}

#ads a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
  color: inherit;
}

#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.45);
}

#ads figcaption,
#ads .caption {
  height: 15px;
  font-size: 11px;
  color: #b0b0b8;
  text-align: center;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

@media (max-width: 720px) {
  .ads-sticky {
    top: 60px;
  }
}