:root {
  --bg: #0a0a0c;
  --bg-soft: #141418;
  --bg-card: #1a1a20;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f3f0ee;
  --muted: #a39e99;
  --accent: #e11d48;
  --accent-soft: #ff4d6d;
  --gold: #f0b429;
  --max: 1120px;
  --radius: 10px;
  --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(240, 180, 41, 0.08), transparent 50%),
    linear-gradient(180deg, #120b10 0%, var(--bg) 28%, #0b0b0e 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;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 12, 0.85);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav 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: 8px;
  cursor: pointer;
}

.menu-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: background 0.2s ease;
}

.menu-toggle-bars::before,
.menu-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease;
}

.menu-toggle-bars::before {
  transform: translateY(-6px);
}

.menu-toggle-bars::after {
  transform: translateY(6px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars::before {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars::after {
  transform: rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: saturate(1.05) contrast(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0.25) 0%, rgba(10, 10, 12, 0.55) 45%, rgba(10, 10, 12, 0.96) 100%),
    linear-gradient(90deg, rgba(10, 10, 12, 0.75), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 3.2rem;
  max-width: 640px;
}

.hero-kicker {
  display: inline-block;
  color: var(--gold);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.15;
  font-weight: 400;
}

.hero p {
  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;
  min-height: 46px;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #9f1239);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.08);
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02), transparent);
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 46rem;
}

.section-head h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
}

.prose h2,
.prose h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.3;
  margin: 2rem 0 0.85rem;
}

.prose h2 {
  font-size: 1.7rem;
}

.prose h3 {
  font-size: 1.25rem;
  color: #ffe4e8;
}

.prose p,
.prose li {
  color: #d8d2cc;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.toc {
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  margin: 1.5rem 0 2rem;
}

.toc strong {
  color: var(--gold);
}

.toc a {
  color: var(--muted);
}

.toc a:hover {
  color: var(--accent-soft);
}

/* Grids */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.shot-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.shot-card:hover {
  transform: translateY(-3px);
  border-color: rgba(225, 29, 72, 0.45);
}

.shot-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #111;
}

.shot-card figcaption {
  padding: 0.8rem 0.9rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.shot-card figcaption strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(225, 29, 72, 0.08), transparent 55%), var(--bg-soft);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.duo {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  align-items: center;
}

.duo-media {
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.duo-media img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 560px;
  object-fit: cover;
  object-position: top;
  margin-inline: auto;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.pill-list a,
.pill-list span {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.88rem;
}

.pill-list a:hover {
  border-color: rgba(225, 29, 72, 0.5);
  color: #fff;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 0.95rem 1.1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: #fff;
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.page-hero {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(700px 280px at 20% 0%, rgba(225, 29, 72, 0.18), transparent 60%);
}

.page-hero h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.breadcrumbs {
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--muted);
}

.content-wrap {
  padding: 2.5rem 0 4rem;
}

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
}

.error-page h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 400;
  color: var(--accent-soft);
}

.error-page p {
  color: var(--muted);
  margin: 0 0 1.4rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #070708;
  padding: 2.5rem 0 2rem;
  margin-top: 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.site-footer h3 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: #fff;
}

.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 + li {
  margin-top: 0.4rem;
}

.footer-bottom {
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: #6f6a66;
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
}

.vlog-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.vlog-row img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 1.2rem;
}

.link-cloud a {
  color: var(--muted);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
  padding-bottom: 1px;
  font-size: 0.92rem;
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-content {
    animation: rise 0.9s ease both;
  }

  .shot-card,
  .feature {
    animation: fade-up 0.7s ease both;
  }

  .shot-card:nth-child(2),
  .feature:nth-child(2) {
    animation-delay: 0.08s;
  }

  .shot-card:nth-child(3),
  .feature:nth-child(3) {
    animation-delay: 0.16s;
  }

  .shot-card:nth-child(4) {
    animation-delay: 0.24s;
  }

  .duo-media img {
    transition: transform 0.5s ease;
  }

  .duo:hover .duo-media img {
    transform: scale(1.02);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Responsive */
@media (max-width: 980px) {
  .shot-grid,
  .feature-grid,
  .vlog-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .duo,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .duo-media img {
    max-height: 480px;
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(12, 12, 14, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--line);
  }

  .hero {
    min-height: 72vh;
  }

  .hero-content {
    padding: 3.2rem 0 2.2rem;
  }

  .shot-grid,
  .vlog-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 2.5rem 0;
  }
}

@media (max-width: 420px) {
  .shot-card figcaption {
    font-size: 0.82rem;
  }
}
