/* ============================================
   小龙龙动漫 - 日系极简胶片风
   米白 + 淡奶茶 + 浅棕
   ============================================ */
:root {
  --bg: #faf7f2;
  --bg-soft: #f3ede4;
  --ink: #3a342e;
  --ink-soft: #7a6f63;
  --line: #e6ddcf;
  --accent: #c9a37e;
  --accent-deep: #a87f56;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(120, 95, 65, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans GB", "PingFang SC",
               "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  /* 胶片颗粒感（极淡） */
  background-image: radial-gradient(rgba(180,150,110,0.05) 1px, transparent 1px);
  background-size: 3px 3px;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-deep); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .75; }

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

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 40px; height: 40px; object-fit: contain; }
.brand-name { font-size: 18px; font-weight: 600; letter-spacing: 2px; color: var(--ink); }

.main-nav { display: flex; gap: 32px; }
.main-nav a {
  color: var(--ink-soft); font-size: 14px; letter-spacing: 1px;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.main-nav a.active, .main-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(160deg, #f5ede0 0%, #faf7f2 60%);
  overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
}
.hero-tag {
  display: inline-block; font-size: 12px; letter-spacing: 3px;
  color: var(--accent-deep); margin-bottom: 16px;
}
.hero h1 {
  font-size: 44px; font-weight: 600; line-height: 1.3;
  margin-bottom: 16px; letter-spacing: 2px;
}
.hero .hero-sub {
  font-size: 18px; color: var(--ink-soft); margin-bottom: 28px; letter-spacing: 1px;
}
.hero-actions { display: flex; gap: 14px; }
.btn {
  display: inline-block; padding: 12px 32px; border-radius: 999px;
  font-size: 14px; letter-spacing: 2px; cursor: pointer; border: none;
  transition: all .2s;
}
.btn-primary { background: var(--accent-deep); color: #fff; }
.btn-primary:hover { background: var(--accent); opacity: 1; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); opacity: 1; }

.hero-img {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); aspect-ratio: 4/3; background: var(--bg-soft);
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-size: 14px; letter-spacing: 2px;
}

/* ===== Section ===== */
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .en {
  font-size: 12px; letter-spacing: 4px; color: var(--accent-deep);
  text-transform: uppercase; margin-bottom: 8px;
}
.section-head h2 { font-size: 30px; font-weight: 600; letter-spacing: 3px; }
.section-head .desc { color: var(--ink-soft); margin-top: 12px; }

/* ===== Card Grid ===== */
.grid {
  display: grid; gap: 28px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(120,95,65,0.14); }
.card-cover {
  aspect-ratio: 16/10; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-size: 13px; letter-spacing: 2px;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 18px; margin-bottom: 8px; letter-spacing: 1px; }
.card-body p { font-size: 14px; color: var(--ink-soft); flex: 1; }
.card-tag {
  display: inline-block; font-size: 11px; padding: 3px 10px;
  background: var(--bg-soft); color: var(--accent-deep);
  border-radius: 999px; margin-bottom: 10px; letter-spacing: 1px;
}
.card.upcoming {
  border: 1px dashed var(--line); background: transparent; box-shadow: none;
}
.card.upcoming .card-cover { background: transparent; }
.card.upcoming:hover { transform: none; }

/* ===== About / Contact ===== */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { margin-bottom: 16px; color: var(--ink); }
.page-title { padding: 60px 0 20px; text-align: center; }
.page-title h1 { font-size: 36px; letter-spacing: 4px; font-weight: 600; }
.page-title .sub { color: var(--ink-soft); margin-top: 10px; }

/* ===== Detail ===== */
.detail-hero {
  border-radius: var(--radius); overflow: hidden; aspect-ratio: 21/9;
  background: var(--bg-soft); margin-bottom: 32px;
  display: flex; align-items: center; justify-content: center; color: var(--ink-soft);
}
.detail-hero img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-soft); border-top: 1px solid var(--line);
  margin-top: 60px; padding: 48px 0 0;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 32px;
}
.footer-logo { width: 56px; height: 56px; object-fit: contain; margin-bottom: 12px; }
.footer-slogan { color: var(--ink-soft); font-size: 14px; letter-spacing: 1px; }
.footer-col h4 {
  font-size: 14px; margin-bottom: 14px; letter-spacing: 2px; color: var(--ink);
}
.footer-col a { display: block; color: var(--ink-soft); font-size: 13px; margin-bottom: 8px; }
.copyright {
  border-top: 1px solid var(--line); padding: 18px 0;
  text-align: center; color: var(--ink-soft); font-size: 12px; letter-spacing: 1px;
}

/* ===== Form ===== */
.form-box { max-width: 560px; margin: 0 auto; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink-soft); }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--white); font-size: 14px;
  font-family: inherit; outline: none; transition: border .2s;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--accent); }
.form-row textarea { min-height: 140px; resize: vertical; }

/* ===== Alert ===== */
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert-ok { background: #e8f0e3; color: #4a6b3a; }
.alert-err { background: #f5e3e0; color: #a04a3a; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .main-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 24px; border-bottom: none; }
  .nav-toggle { display: block; }
  .hero { padding: 48px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 30px; }
  .section { padding: 48px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}