:root {
  --bg: #0b0b10;
  --bg-2: #14141c;
  --bg-3: #1c1c28;
  --text: #f3f3f7;
  --muted: #a0a0b4;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #ff4d6d;
  --accent-2: #ff8a3d;
  --grad: linear-gradient(135deg, #ff8a3d 0%, #ff4d6d 55%, #c73cff 100%);
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --max: 1120px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 138, 61, 0.18), transparent 50%),
    radial-gradient(900px 500px at 100% 0%, rgba(199, 60, 255, 0.12), transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

a {
  color: #ffc1cb;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #fff;
}

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

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(11, 11, 16, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.brand span {
  font-size: 1.15rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 8px 12px;
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.95rem;
}

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

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: #fff;
  border-radius: 10px;
  width: 42px;
  height: 42px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

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

.menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-copy .lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 22px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.05);
}

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

.hero-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  max-height: 620px;
}

.hero-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.86rem;
}

.section {
  padding: 42px 0;
}

.section-head {
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--muted);
  max-width: 760px;
}

.feature-grid,
.shot-grid,
.vlog-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

.feature-card,
.content-card,
.vlog-card,
.link-card,
.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-card,
.link-card,
.panel {
  padding: 22px;
}

.feature-card h3,
.link-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.feature-card p,
.link-card p,
.panel p,
.rich-text p {
  color: var(--muted);
  margin-bottom: 12px;
}

.feature-card img,
.content-card img,
.vlog-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 14px;
  object-fit: cover;
}

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

.content-card {
  overflow: hidden;
  padding: 12px;
}

.content-card h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.content-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.content-card img {
  aspect-ratio: 9 / 16;
  max-height: 380px;
  margin-bottom: 10px;
}

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

.vlog-card {
  padding: 12px;
}

.vlog-card img {
  aspect-ratio: 9 / 16;
  max-height: 360px;
}

.vlog-card h3 {
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.vlog-card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.rich-text h2,
.rich-text h3 {
  margin: 22px 0 10px;
}

.rich-text ul,
.rich-text ol {
  margin: 0 0 14px 1.2em;
  color: var(--muted);
}

.rich-text li {
  margin-bottom: 8px;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 8px;
}

.toc a {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: #fff;
  font-size: 0.9rem;
}

.page-hero {
  padding: 40px 0 10px;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--muted);
  max-width: 780px;
}

.article {
  padding: 20px 0 50px;
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.breadcrumb a {
  color: #ffb4c0;
}

.site-footer {
  margin-top: 30px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  padding: 34px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.site-footer h3 {
  margin-bottom: 12px;
  font-size: 1rem;
}

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

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

.site-footer li {
  margin-bottom: 8px;
}

.copyright {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

.error-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 0;
}

.error-wrap h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 12px;
}

.error-wrap p {
  color: var(--muted);
  margin-bottom: 22px;
}

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

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

  .hero-visual img {
    max-height: 520px;
  }
}

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

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 16px 16px;
    background: rgba(12, 12, 18, 0.96);
    border-bottom: 1px solid var(--line);
  }

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

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

  .hero {
    padding-top: 28px;
  }

  .content-card img,
  .vlog-card img,
  .hero-visual img {
    max-height: none;
  }

  .ads-fixed {
    top: 68px;
  }
}

.ads-fixed {
  position: sticky;
  top: 68px;
  z-index: 99;
  background: rgba(11, 11, 16, 0.94);
  backdrop-filter: blur(14px);
  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;
}

#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(0, 0, 0, 0.35);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: linear-gradient(135deg, #fff, #fff);
}

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

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

#ads figcaption,
#ads .caption {
  height: 15px;
  font-size: 11px;
  color: #c8c8d6;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}