:root {
  --bg: #0a0a0c;
  --bg-elevated: #141418;
  --bg-soft: #1c1c22;
  --text: #f2efe9;
  --text-muted: #a39e96;
  --accent: #d4203a;
  --accent-soft: #ff4d65;
  --line: rgba(255, 255, 255, 0.08);
  --max: 1120px;
  --radius: 14px;
  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", 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;
  transition: color 0.2s ease;
}

a:hover {
  color: #fff;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.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 {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

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

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

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

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

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0.25) 0%, rgba(10, 10, 12, 0.72) 48%, rgba(10, 10, 12, 0.98) 100%),
    radial-gradient(ellipse at 20% 20%, rgba(212, 32, 58, 0.28), transparent 55%);
}

.hero-content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.25rem 3.5rem;
  width: 100%;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: 0.06em;
  animation: riseIn 0.9s ease both;
}

.hero-lead {
  max-width: 38rem;
  color: var(--text-muted);
  font-size: 1.08rem;
  margin: 0 0 1.75rem;
  animation: riseIn 1s ease 0.12s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 1s ease 0.22s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

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

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

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

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.25rem;
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  margin: 0 0 0.55rem;
  letter-spacing: 0.03em;
}

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

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

.prose h2,
.prose h3 {
  color: var(--text);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.prose h2 {
  font-size: 1.7rem;
  margin: 2.2rem 0 0.9rem;
}

.prose h3 {
  font-size: 1.25rem;
  margin: 1.6rem 0 0.7rem;
}

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

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

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

.category-grid,
.feature-grid,
.vlog-grid,
.gallery-grid {
  display: grid;
  gap: 1.1rem;
}

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

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

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

.media-block {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.media-block:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 32, 58, 0.45);
}

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

.media-block .caption {
  padding: 0.95rem 1rem 1.1rem;
}

.media-block h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--text);
}

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

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.split img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.pill-list a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.88rem;
  background: rgba(255, 255, 255, 0.02);
}

.pill-list a:hover {
  color: #fff;
  border-color: rgba(212, 32, 58, 0.5);
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.7rem;
  background: var(--bg-elevated);
}

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

.faq details p {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
}

.page-hero {
  padding: 3.2rem 1.25rem 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 0.7rem;
}

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

.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

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

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, transparent, rgba(212, 32, 58, 0.08)),
    var(--bg-elevated);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.4rem 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.footer-inner h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

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

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 1rem 1.25rem 1.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.25rem;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  margin: 0 0 0.5rem;
  color: var(--accent-soft);
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

@media (max-width: 960px) {
  .category-grid,
  .vlog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .split.reverse,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-media {
    order: -1;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(14, 14, 18, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
  }

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

  .site-nav a {
    padding: 0.85rem 1.25rem;
  }

  .hero {
    min-height: 78vh;
  }

  .category-grid,
  .feature-grid,
  .gallery-grid,
  .vlog-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 2.5rem 1rem;
  }
}