:root {
  --bg: #0f1115;
  --bg-soft: #171a21;
  --bg-card: #1c2029;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef0f4;
  --muted: #9aa3b2;
  --accent: #e4576d;
  --accent-2: #ff8a6b;
  --accent-soft: rgba(228, 87, 109, 0.16);
  --max: 1120px;
  --radius: 14px;
  --shadow: 0 18px 50px 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;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(228, 87, 109, 0.18), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(255, 138, 107, 0.1), transparent 50%),
    linear-gradient(180deg, #0c0e12 0%, var(--bg) 40%, #12151c 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #ffb199;
}

.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(12, 14, 18, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  position: relative;
  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: 10px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  justify-content: flex-end;
}

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

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

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
  pointer-events: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
}

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

.hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.25;
  font-weight: 400;
}

.hero-copy .lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34em;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 28px rgba(228, 87, 109, 0.28);
}

.btn-primary:hover {
  color: #fff;
  opacity: 0.92;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

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

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.section {
  padding: 3.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 46rem;
}

.section-head h2 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 400;
  line-height: 1.3;
}

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

.feature-grid,
.shot-grid,
.vlog-grid,
.cat-grid {
  display: grid;
  gap: 1.25rem;
}

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

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

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

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

.card,
.shot,
.cat-item,
.prose-box {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card {
  padding: 1.25rem;
}

.card h3,
.cat-item h3 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
  font-family: var(--font-display);
  font-weight: 400;
}

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

.shot {
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.shot:hover {
  transform: translateY(-4px);
  border-color: rgba(228, 87, 109, 0.4);
}

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

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

.cat-item {
  overflow: hidden;
}

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

.cat-item .body {
  padding: 1rem 1.1rem 1.2rem;
}

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

.split-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

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

.prose h2,
.prose h3 {
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 400;
}

.prose h2 {
  margin: 2rem 0 0.8rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin: 1.5rem 0 0.6rem;
  font-size: 1.2rem;
}

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

.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

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

.prose-box {
  padding: 1.35rem 1.4rem;
  margin: 1.25rem 0;
  background: var(--accent-soft);
  border-color: rgba(228, 87, 109, 0.25);
}

.toc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1rem;
  padding: 1.2rem 1.3rem;
  margin: 1.5rem 0 2rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.toc a::before {
  content: "› ";
  color: var(--accent);
}

.page-hero {
  padding: 3rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 400;
}

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

.breadcrumb {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #0a0c10;
  padding: 2.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.site-footer h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
}

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

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

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

.copyright {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: #6d7685;
  font-size: 0.85rem;
}

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

.error-page h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 400;
}

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

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.related-links a {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  background: var(--bg-soft);
}

.related-links a:hover {
  color: var(--text);
  border-color: rgba(228, 87, 109, 0.45);
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    width: min(240px, calc(100vw - 2rem));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.55rem;
    margin: 0.35rem 0 0;
    background: rgba(18, 21, 28, 0.98);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    z-index: 120;
  }

  .nav-links a {
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-links.open {
    display: flex;
    position: absolute;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

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

  .section {
    padding: 2.5rem 0;
  }
}