:root {
  --bg: #0b0b0f;
  --bg-soft: #14141c;
  --bg-card: #1a1a24;
  --text: #f2f2f5;
  --text-muted: #a8a8b3;
  --accent: #ff2d78;
  --accent-2: #ff8a1a;
  --accent-3: #b24dff;
  --line: rgba(255, 255, 255, 0.08);
  --gradient: linear-gradient(135deg, #ffd36a 0%, #ff8a1a 32%, #ff2d78 68%, #b24dff 100%);
  --radius: 14px;
  --max: 1180px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 45, 120, 0.16), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(178, 77, 255, 0.14), transparent 55%),
    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: #ff7eab;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #ffd36a;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 11, 15, 0.86);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.08);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1.1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
}

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

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

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

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

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

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

.hero {
  padding: 56px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ffb4cb;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.hero h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  line-height: 1.25;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero p.lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 38em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--gradient);
  color: #1a0a12;
  box-shadow: 0 10px 28px rgba(255, 45, 120, 0.28);
}

.btn-primary:hover {
  color: #1a0a12;
}

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

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

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

.section {
  padding: 48px 0;
}

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-muted);
  max-width: 48em;
}

.feature-grid,
.shot-grid,
.cat-grid,
.info-grid {
  display: grid;
  gap: 18px;
}

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

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

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

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-body {
  padding: 16px 18px 20px;
}

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

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

.card img.shot {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: #000;
}

.card img.wide {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  background: #000;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 45, 120, 0.12);
  color: #ffb4cb;
  font-size: 0.82rem;
  border: 1px solid rgba(255, 45, 120, 0.22);
}

.prose {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 26px;
}

.prose h2,
.prose h3 {
  margin: 1.4em 0 0.6em;
  line-height: 1.35;
}

.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: 1em;
  color: #dddde4;
}

.prose ul,
.prose ol {
  margin: 0 0 1.1em 1.2em;
  color: #dddde4;
}

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

.prose strong {
  color: #fff;
}

.page-hero {
  padding: 42px 0 18px;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 46em;
}

.breadcrumbs {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 14px;
}

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

.legal {
  padding-bottom: 56px;
}

.site-footer {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  padding: 36px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

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

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

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

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

.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.84rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
}

.notice {
  margin: 24px 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 138, 26, 0.1);
  border: 1px solid rgba(255, 138, 26, 0.28);
  color: #ffd7a8;
  font-size: 0.92rem;
}

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

.error-page .code {
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}

.error-page h1 {
  margin-bottom: 10px;
}

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

.toc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 18px 0 8px;
}

.toc a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--text);
}

.anchor-offset {
  scroll-margin-top: 88px;
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .shot-grid,
  .cat-grid,
  .info-grid,
  .footer-grid,
  .toc {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid {
    gap: 24px;
  }

  .hero-shot img {
    max-height: 460px;
  }
}

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

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 0 14px;
    background: rgba(11, 11, 15, 0.96);
    backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 120;
  }

  .nav.open {
    display: flex;
  }

  .header-inner {
    flex-wrap: nowrap;
    min-height: 60px;
  }

  .hero {
    padding-top: 28px;
  }

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

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

  .prose {
    padding: 20px 16px;
  }

  .section {
    padding: 36px 0;
  }
}