:root {
  --bg: #0a0a0c;
  --bg-soft: #141418;
  --bg-card: #1a1a20;
  --text: #f2f0ed;
  --text-muted: #a8a29a;
  --accent: #e84d6b;
  --accent-soft: #ff7a93;
  --accent-dim: rgba(232, 77, 107, 0.16);
  --line: rgba(255, 255, 255, 0.08);
  --max: 1120px;
  --radius: 12px;
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(232, 77, 107, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(255, 122, 147, 0.1), transparent 50%),
    linear-gradient(180deg, #0c0c10 0%, var(--bg) 40%, #08080a 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  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: 100;
  backdrop-filter: blur(16px);
  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;
  padding: 0.85rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  color: var(--text-muted);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: var(--accent-dim);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.25;
  margin-bottom: 0.85rem;
  background: linear-gradient(120deg, #fff 20%, var(--accent-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  max-width: 36em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c73858);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-height: 480px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 12, 0.55), transparent 45%);
  pointer-events: none;
}

/* Sections */
.section {
  padding: 3.25rem 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--text-muted);
  max-width: 42em;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-soft);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

/* Cards / grids */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

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

.media-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.25s ease;
}

.media-card:hover {
  border-color: rgba(232, 77, 107, 0.45);
  transform: translateY(-3px);
}

.media-card a {
  color: inherit;
  display: block;
}

.media-card .thumb {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-soft);
}

.media-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.media-card:hover .thumb img {
  transform: scale(1.04);
}

.media-card .body {
  padding: 1rem 1.05rem 1.2rem;
}

.media-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.media-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.feature-row .copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 0;
}

.feature-row .copy h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.feature-row .copy p {
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

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

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

.feature-row.reverse .copy {
  order: 2;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  list-style: none;
}

.tag-list a {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  background: var(--accent-dim);
  border: 1px solid rgba(232, 77, 107, 0.25);
  border-radius: 6px;
  color: var(--accent-soft);
  font-size: 0.85rem;
}

.tag-list a:hover {
  background: rgba(232, 77, 107, 0.28);
  color: #fff;
}

/* Article / SEO content */
.article {
  max-width: 760px;
}

.article h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  margin: 2rem 0 0.85rem;
}

.article h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.65rem;
  color: #ffe4ea;
}

.article p {
  color: #d4d0c9;
  margin-bottom: 1rem;
  text-align: justify;
}

.article ul,
.article ol {
  margin: 0 0 1.1rem 1.25rem;
  color: #d4d0c9;
}

.article li {
  margin-bottom: 0.45rem;
}

.article strong {
  color: #fff;
  font-weight: 600;
}

.toc {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0 2rem;
}

.toc h2 {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-body);
}

.toc ol {
  margin-left: 1.1rem;
  color: var(--text-muted);
}

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

.toc a:hover {
  color: var(--accent-soft);
}

/* Page header for inner pages */
.page-hero {
  padding: 2.75rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-bottom: 0.65rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 40em;
}

.prose {
  padding: 2.5rem 0 3.5rem;
  max-width: 760px;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 1.75rem 0 0.7rem;
}

.prose p,
.prose li {
  color: #d4d0c9;
  margin-bottom: 0.9rem;
}

.prose ul {
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

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

.breadcrumb a:hover {
  color: var(--accent-soft);
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 4rem 0;
}

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}

.error-page h1 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  padding: 2.75rem 0 2rem;
  background: #060608;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.site-footer h3 {
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
  color: #fff;
}

.site-footer p,
.site-footer li {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.site-footer li {
  margin-bottom: 0.45rem;
}

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

.site-footer a:hover {
  color: var(--accent-soft);
}

.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Animations */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-copy,
.hero-visual,
.media-card,
.feature-row {
  animation: rise 0.7s ease both;
}

.hero-visual {
  animation-delay: 0.12s;
}

.media-card:nth-child(2) {
  animation-delay: 0.08s;
}

.media-card:nth-child(3) {
  animation-delay: 0.16s;
}

.media-card:nth-child(4) {
  animation-delay: 0.24s;
}

/* Mobile */
@media (max-width: 900px) {
  .hero-grid,
  .feature-row,
  .feature-row.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .copy {
    order: 0;
  }

  .card-grid,
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    max-height: 420px;
    aspect-ratio: 3 / 4;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(12, 12, 16, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1rem 1rem;
    gap: 0.25rem;
  }

  .nav.open {
    display: flex;
  }

  .header-inner {
    position: relative;
  }

  .nav a {
    padding: 0.75rem 0.85rem;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

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

  .hero {
    padding: 2.25rem 0 1.75rem;
  }

  .section {
    padding: 2.25rem 0;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    flex: 1;
  }
}