:root {
  --bg: #faf6f3;
  --bg-deep: #f0e4dc;
  --ink: #1a1210;
  --ink-soft: #5c4a44;
  --brand: #b81f45;
  --brand-dark: #8a1532;
  --accent: #d4652f;
  --line: rgba(26, 18, 16, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 48px rgba(138, 21, 50, 0.1);
  --radius: 18px;
  --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;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(184, 31, 69, 0.14), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(212, 101, 47, 0.12), transparent 50%),
    linear-gradient(180deg, #fff8f4 0%, var(--bg) 35%, #f7efe9 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brand-dark);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(255, 248, 244, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--ink-soft);
}

.nav a:hover,
.nav a.active {
  color: var(--brand);
}

.nav-toggle {
  display: none;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-toggle span,
.nav-toggle i {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after,
.nav-toggle i::before,
.nav-toggle i::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav-toggle span::before,
.nav-toggle i::before {
  top: -5px;
}

.nav-toggle span::after,
.nav-toggle i::after {
  top: 5px;
}

.nav-toggle[aria-expanded="true"] span,
.nav-toggle[aria-expanded="true"] i {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before,
.nav-toggle[aria-expanded="true"] i::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after,
.nav-toggle[aria-expanded="true"] i::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 2.5rem;
  overflow: hidden;
}

.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: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.hero-copy .lead {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  box-shadow: 0 10px 28px rgba(184, 31, 69, 0.28);
}

.btn-primary:hover {
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
  color: var(--ink);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -8% -8% auto;
  width: 48%;
  height: 48%;
  background: radial-gradient(circle, rgba(212, 101, 47, 0.25), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Sections */
.section {
  padding: 3.2rem 0;
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 48rem;
}

.section-head h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  letter-spacing: 0.03em;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
}

.prose {
  color: var(--ink-soft);
}

.prose p {
  margin: 0 0 1.1rem;
}

.prose h3 {
  margin: 1.8rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
}

.prose ul,
.prose ol {
  margin: 0 0 1.1rem;
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.45rem;
}

/* Media grids */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.shot-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(26, 18, 16, 0.04);
  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: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.shot-card figcaption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.shot-card strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.2rem;
  font-size: 1rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2rem;
}

.feature-row.reverse .feature-text {
  order: 2;
}

.feature-row.reverse .feature-media {
  order: 1;
}

.feature-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.feature-text h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.feature-text p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.duo img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.band {
  background: linear-gradient(120deg, rgba(184, 31, 69, 0.08), rgba(212, 101, 47, 0.08));
  border-block: 1px solid var(--line);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.chip a {
  color: inherit;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.95rem 1.1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
}

/* Inner pages */
.page-hero {
  padding: 2.4rem 0 1.2rem;
}

.page-hero h1 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

.page-hero p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 42rem;
}

.content-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.6rem 1.5rem 1.8rem;
  box-shadow: 0 10px 30px rgba(26, 18, 16, 0.04);
  margin-bottom: 2.5rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--ink-soft);
}

/* Error pages */
.error-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-wrap h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--brand);
}

.error-wrap p {
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(26, 18, 16, 0.94);
  color: rgba(255, 255, 255, 0.78);
  padding: 2.4rem 0 1.6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.6rem;
}

.site-footer h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.1rem;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
  color: #fff;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: rise 0.7s ease both;
  }

  .hero-visual {
    animation: rise 0.9s 0.12s ease both;
  }

  .shot-card {
    animation: fade-up 0.6s ease both;
  }

  .shot-card:nth-child(2) { animation-delay: 0.06s; }
  .shot-card:nth-child(3) { animation-delay: 0.12s; }
  .shot-card:nth-child(4) { animation-delay: 0.18s; }
  .shot-card:nth-child(5) { animation-delay: 0.24s; }
  .shot-card:nth-child(6) { animation-delay: 0.3s; }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile */
@media (max-width: 900px) {
  .hero-grid,
  .feature-row,
  .feature-row.reverse,
  .duo,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .feature-text,
  .feature-row.reverse .feature-media {
    order: initial;
  }

  .shot-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% - 0.25rem);
    right: 0;
    left: auto;
    width: min(220px, calc(100vw - 2rem));
    flex-direction: column;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    background: rgba(255, 248, 244, 0.98);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 120;
  }

  .nav.open {
    display: flex;
    position: absolute;
  }

  .header-inner {
    flex-wrap: nowrap;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-visual img {
    aspect-ratio: 3 / 4;
    max-height: 70vh;
    margin-inline: auto;
  }
}

@media (max-width: 560px) {
  .shot-grid {
    grid-template-columns: 1fr;
  }

  .content-card {
    padding: 1.2rem 1rem 1.4rem;
  }

  body {
    font-size: 15px;
  }
}
