:root {
  --bg: #0c0b0f;
  --bg-soft: #16141c;
  --bg-card: #1c1924;
  --text: #f4f0ea;
  --text-muted: #a39e96;
  --accent: #e11d48;
  --accent-soft: #fb7185;
  --line: rgba(244, 240, 234, 0.12);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --max: 1120px;
  --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 10% -10%, rgba(225, 29, 72, 0.22), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(251, 113, 133, 0.12), transparent 50%),
    linear-gradient(180deg, #120f16 0%, var(--bg) 40%, #09080c 100%);
  line-height: 1.75;
  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;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(12, 11, 15, 0.82);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  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;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

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

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

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: brightness(0.45) saturate(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12, 11, 15, 0.25) 0%, rgba(12, 11, 15, 0.55) 45%, rgba(12, 11, 15, 0.96) 100%),
    linear-gradient(90deg, rgba(12, 11, 15, 0.75), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 7rem 0 4rem;
  max-width: 720px;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: 0.06em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  line-height: 1.4;
}

.hero p {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #be123c);
  color: #fff;
  box-shadow: 0 10px 28px rgba(225, 29, 72, 0.35);
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.08);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: 4.5rem 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 42rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: 0.03em;
}

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

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

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

.prose h2 {
  margin-top: 2.2rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin-top: 1.6rem;
  font-size: 1.2rem;
}

.prose p,
.prose li {
  font-size: 1.02rem;
}

.prose ul {
  padding-left: 1.2rem;
}

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

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

.feature-item {
  padding: 1.4rem;
  background: linear-gradient(180deg, rgba(28, 25, 36, 0.95), rgba(18, 16, 24, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-item h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}

.feature-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

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

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

.shot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

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

.shot-card figcaption {
  padding: 0.85rem 0.95rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.shot-card strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-size: 0.98rem;
}

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

.vlog-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.vlog-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.vlog-card span {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  font-size: 0.8rem;
}

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

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

.split-media img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 560px;
  object-fit: cover;
  object-position: top;
  margin-inline: auto;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.steps li {
  position: relative;
  padding: 1rem 0 1rem 3.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(225, 29, 72, 0.15);
  color: var(--accent-soft);
  font-weight: 700;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(28, 25, 36, 0.7);
  margin-bottom: 0.8rem;
  padding: 0.9rem 1.1rem;
}

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

.faq p {
  margin: 0.7rem 0 0.2rem;
  color: var(--text-muted);
}

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

.link-card {
  display: block;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
}

.link-card strong {
  display: block;
  margin-bottom: 0.35rem;
}

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

.page-hero {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

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

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  background: rgba(0, 0, 0, 0.28);
}

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

.site-footer h3 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  font-family: var(--font-display);
}

.site-footer p,
.site-footer li,
.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: 0.45rem;
}

.copyright {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5rem);
  margin: 0 0 0.5rem;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

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

.breadcrumb span {
  opacity: 0.5;
}

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

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

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

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

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
    background: rgba(12, 11, 15, 0.96);
    border-bottom: 1px solid var(--line);
  }

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

  .nav-links a {
    padding: 0.85rem 0.4rem;
    border-bottom: 1px solid var(--line);
  }

  .hero-content {
    padding: 5.5rem 0 3rem;
  }

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

  .section {
    padding: 3.2rem 0;
  }
}

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

.hero-content,
.section-head,
.feature-item,
.shot-card,
.vlog-card {
  animation: riseIn 0.7s ease both;
}

.feature-item:nth-child(2),
.shot-card:nth-child(2),
.vlog-card:nth-child(2) {
  animation-delay: 0.08s;
}

.feature-item:nth-child(3),
.shot-card:nth-child(3),
.vlog-card:nth-child(3) {
  animation-delay: 0.16s;
}