/* ===== Honkai: Star Rail unofficial info site — dark + gold + real space imagery ===== */
:root {
  --bg-base: #0a0b12;
  --bg-elev: rgba(20, 22, 35, 0.72);
  --bg-card: linear-gradient(145deg, rgba(21,23,38,0.9) 0%, rgba(13,15,23,0.94) 100%);
  --text-main: #f0f0f5;
  --text-sub: #a1a3b1;
  --accent-gold: #dcb871;
  --accent-gold-soft: #e9cf9a;
  --accent-blue: #4a90e2;
  --ui-border: rgba(220, 184, 113, 0.28);
  --ui-border-dim: rgba(255, 255, 255, 0.06);
  --radius: 14px;
  --maxw: 1180px;
  --font: 'Noto Sans JP', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-main);
  line-height: 1.7;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(8,9,14,0.78) 0%, rgba(8,9,14,0.9) 100%),
    url('/assets/img/PIA13451.jpg') center/cover fixed no-repeat;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(1.4px 1.4px at 20% 30%, rgba(255,255,255,0.6) 50%, transparent 50%),
    radial-gradient(1px 1px at 70% 15%, rgba(255,255,255,0.5) 50%, transparent 50%),
    radial-gradient(1.6px 1.6px at 40% 75%, rgba(220,184,113,0.65) 50%, transparent 50%),
    radial-gradient(1px 1px at 88% 55%, rgba(255,255,255,0.45) 50%, transparent 50%);
}
body > * { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---- top nav ---- */
.nav { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(14px); background: rgba(10, 11, 18, 0.72); border-bottom: 1px solid var(--ui-border-dim); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 22px; height: 66px; }
.logo { font-weight: 900; letter-spacing: 2px; color: var(--accent-gold); font-size: 1.12rem; white-space: nowrap; display:flex; align-items:center; gap:8px; }
.logo svg { width: 20px; height: 20px; }
.nav-links { display: flex; gap: 20px; margin-left: auto; flex-wrap: wrap; }
.nav-links a { font-size: 0.9rem; font-weight: 600; color: var(--text-sub); transition: color .25s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
.lang { display: flex; gap: 4px; align-items: center; }
.lang button { background: transparent; border: 1px solid var(--ui-border-dim); color: var(--text-sub); font-family: inherit; font-size: 0.82rem; padding: 5px 9px; border-radius: 999px; cursor: pointer; transition: .2s; }
.lang button.active, .lang button:hover { color: var(--accent-gold); border-color: var(--accent-gold); }
.nav-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 1.4rem; cursor: pointer; }

/* ---- hero ---- */
.hero { padding: 100px 0 84px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(180deg, rgba(8,9,14,0.45) 0%, rgba(8,9,14,0.86) 100%), url('/assets/img/PIA15415.jpg') center/cover no-repeat; }
.hero .kicker { color: var(--accent-gold); letter-spacing: 6px; font-weight: 600; font-size: 0.82rem; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 900; letter-spacing: 3px; margin: 14px 0 10px;
  background: linear-gradient(180deg, #fff, var(--accent-gold-soft)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--text-main); max-width: 720px; margin: 0 auto 26px; font-size: 1.02rem; text-shadow: 0 1px 8px rgba(0,0,0,0.6); }
.hero .badge { display: inline-block; border: 1px solid var(--accent-gold); color: var(--accent-gold-soft); background: rgba(10,11,18,0.5); padding: 7px 16px; border-radius: 999px; font-size: 0.85rem; margin-bottom: 22px; }
.hero .badge.solid { background: var(--accent-gold); color: #16121a; font-weight: 700; }

/* ---- section ---- */
section.section { padding: 56px 0; }
.section-title { font-size: 2rem; font-weight: 900; text-align: center; margin-bottom: 8px; }
.section-title::after { content: ''; display: block; width: 64px; height: 3px; background: var(--accent-gold); margin: 14px auto 0; border-radius: 3px; }
.section-sub { text-align: center; color: var(--text-sub); margin-bottom: 36px; font-size: 0.96rem; }

/* ---- cards with image thumb ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.card { background: var(--bg-card); border: 1px solid var(--ui-border-dim); border-radius: var(--radius); overflow: hidden; transition: transform .25s, border-color .25s, box-shadow .25s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); border-color: var(--ui-border); box-shadow: 0 14px 40px rgba(0,0,0,0.4); }
.thumb { height: 150px; background-size: cover; background-position: center; position: relative; }
.thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(10,11,18,0.85) 100%); }
.card .body { padding: 18px 20px 22px; }
.card h3 { color: var(--accent-gold-soft); font-size: 1.1rem; margin-bottom: 8px; }
.card .tag { display: inline-block; font-size: 0.72rem; color: var(--accent-gold); border: 1px solid var(--ui-border); padding: 2px 9px; border-radius: 999px; margin-bottom: 10px; }
.card p { color: var(--text-sub); font-size: 0.92rem; }
.card ul { list-style: none; margin-top: 6px; }
.card li { color: var(--text-sub); font-size: 0.9rem; padding-left: 16px; position: relative; }
.card li::before { content: '✦'; position: absolute; left: 0; color: var(--accent-gold); font-size: 0.8rem; }

/* ---- news rows ---- */
.row-card { background: var(--bg-elev); border: 1px solid var(--ui-border-dim); border-left: 3px solid var(--accent-gold); border-radius: 10px; padding: 16px 20px; margin-bottom: 12px; display: flex; gap: 14px; align-items: center; }
.row-card .date { color: var(--accent-gold); font-weight: 700; font-size: 0.9rem; white-space: nowrap; font-family: ui-monospace, monospace; }
.row-card .txt { color: var(--text-sub); font-size: 0.95rem; }

/* ---- gallery tiles ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.tile { border-radius: var(--radius); overflow: hidden; height: 170px; background-size: cover; background-position: center; position: relative; border: 1px solid var(--ui-border-dim); transition: transform .25s, border-color .25s; }
.tile:hover { transform: scale(1.03); border-color: var(--accent-gold); }
.tile .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 12px; font-size: 0.82rem; color: #fff; background: linear-gradient(180deg, transparent, rgba(0,0,0,0.75)); }

/* ---- footer ---- */
footer { border-top: 1px solid var(--ui-border-dim); margin-top: 40px; padding: 38px 0 30px; text-align: center; color: var(--text-sub); font-size: 0.85rem; background: rgba(8,9,14,0.6); }
footer .disc { max-width: 720px; margin: 0 auto 14px; line-height: 1.7; }
footer .links a { color: var(--accent-gold); }

.page-hero { padding: 56px 0 20px; text-align: center; }
.page-hero h1 { font-size: 2.4rem; font-weight: 900; letter-spacing: 2px; }
.page-hero p { color: var(--text-sub); margin-top: 8px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0; background: rgba(12,13,20,0.98); padding: 18px 24px; }
  .nav-toggle { display: block; margin-left: auto; }
  .grid { grid-template-columns: 1fr; }
  .hero h1 { letter-spacing: 1px; }
}