:root {
  --bg: #f7f4f1;
  --bg-deep: #efe8e2;
  --surface: #ffffff;
  --ink: #1a1412;
  --ink-soft: #5c5048;
  --muted: #8a7c72;
  --brand: #c41e3a;
  --brand-deep: #9a1530;
  --brand-soft: #f8e6ea;
  --line: #e4d9d0;
  --accent: #2c2420;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(26, 20, 18, 0.08);
  --max: 1180px;
  --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(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(196, 30, 58, 0.06), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(44, 36, 32, 0.05), transparent 24%),
    linear-gradient(180deg, #faf7f4 0%, var(--bg) 40%, var(--bg-deep) 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: var(--brand-deep);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brand);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(247, 244, 241, 0.9);
  border-bottom: 1px solid rgba(228, 217, 208, 0.85);
}

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

.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: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  cursor: pointer;
}

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

.menu-toggle-icon {
  position: relative;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-icon::before {
  top: -6px;
}

.menu-toggle-icon::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(420px, 72vh, 680px);
  display: grid;
  align-items: end;
  color: #fff;
  background: #1a1412;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 10, 10, 0.78) 0%, rgba(18, 10, 10, 0.42) 48%, rgba(18, 10, 10, 0.25) 100%),
    linear-gradient(180deg, rgba(18, 10, 10, 0.15) 0%, rgba(18, 10, 10, 0.78) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 3.2rem;
  max-width: 720px;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.1;
  margin: 0 0 0.8rem;
  letter-spacing: 0.06em;
}

.hero h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  font-weight: 600;
  line-height: 1.45;
}

.hero p {
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-deep);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.section {
  padding: 3.5rem 0;
}

.section-head {
  margin-bottom: 1.6rem;
}

.section-head h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.03em;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 48em;
}

.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 1.1rem;
}

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

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

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

.media-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}

.media-item:hover {
  transform: translateY(-4px);
}

.media-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: #ddd;
}

.media-item.landscape img {
  aspect-ratio: 16 / 10;
}

.media-item figcaption,
.media-body {
  padding: 0.95rem 1rem 1.1rem;
}

.media-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.media-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.feature-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-band img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.feature-copy {
  padding: 1.6rem 1.6rem 1.8rem;
}

.feature-copy h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
}

.feature-copy p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
}

.prose {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

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

.prose h2 {
  margin-top: 2rem;
  font-size: 1.55rem;
}

.prose h3 {
  margin-top: 1.4rem;
  font-size: 1.2rem;
}

.prose p {
  color: var(--ink-soft);
  margin: 0.85rem 0;
}

.prose ul,
.prose ol {
  color: var(--ink-soft);
  padding-left: 1.2rem;
}

.prose li {
  margin: 0.35rem 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 0;
}

.tag-list a {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  background: var(--brand-soft);
  color: var(--brand-deep);
  border-radius: 8px;
  font-size: 0.88rem;
}

.page-hero {
  padding: 2.8rem 0 1.2rem;
}

.page-hero h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.page-hero p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 46em;
}

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

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

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  margin: 0 0 0.5rem;
  color: var(--brand);
}

.error-page p {
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #1b1513;
  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;
}

.site-footer h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.15rem;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
  color: #fff;
}

.footer-links {
  display: grid;
  gap: 0.4rem;
}

.copyright {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.7s ease forwards;
}

.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroZoom {
  from { transform: scale(1.02); }
  to { transform: scale(1.08); }
}

@media (max-width: 960px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-band {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 68px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.8rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.65rem 0.7rem;
    border-radius: 8px;
  }

  .nav a:hover {
    background: var(--brand-soft);
  }

  .hero-content {
    padding: 3.4rem 0 2.4rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 2.4rem 0;
  }

  .media-item img {
    aspect-ratio: 4 / 5;
  }
}