:root{
  --bg: #f8fafc;
  --panel: rgba(255,255,255,.86);
  --panel-solid: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: rgba(148,163,184,.28);
  --brand: #2563eb;
  --brand-2: #7c3aed;
  --shadow: 0 18px 45px rgba(15, 23, 42, .12);
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, .08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(59,130,246,.12), transparent 28%),
    radial-gradient(circle at top right, rgba(124,58,237,.10), transparent 24%),
    linear-gradient(180deg, #eff6ff 0%, #f8fafc 180px, #f8fafc 100%);
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{width:min(1200px, calc(100% - 2rem)); margin:0 auto}
.glass{
  background:var(--panel);
  backdrop-filter: blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.nav-link{transition:all .2s ease}
.nav-link:hover{transform:translateY(-1px); color:#1d4ed8}
.nav-pill{
  padding:.55rem .9rem; border-radius:999px;
  background:rgba(255,255,255,.7); border:1px solid rgba(148,163,184,.25);
}
.section{padding:3.5rem 0}
.section-title{
  display:flex; align-items:center; gap:.8rem;
  margin:0 0 1.2rem; font-size:1.7rem; line-height:1.1;
}
.section-title .dot{
  width:12px; height:12px; border-radius:999px;
  background:linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow:0 0 0 6px rgba(37,99,235,.08);
}
.muted{color:var(--muted)}
.card{
  position:relative;
  background:var(--panel-solid);
  border:1px solid var(--line);
  border-radius:1.5rem;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px rgba(15,23,42,.14);
  border-color:rgba(37,99,235,.2);
}
.poster{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:.8rem;
  min-height:14rem;
  padding:1rem;
  color:#fff;
  border-radius:1.5rem;
  overflow:hidden;
}
.poster.large{min-height:24rem}
.poster.compact{min-height:11.5rem}
.poster::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(15,23,42,.02), rgba(15,23,42,.25));
}
.poster::after{
  content:"";
  position:absolute;
  inset:auto -10% -45% auto;
  width:70%;
  height:70%;
  background:radial-gradient(circle, rgba(255,255,255,.18), transparent 60%);
  transform:rotate(-12deg);
}
.poster > *{position:relative; z-index:1}
.poster-badge{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  width:max-content;
  padding:.34rem .65rem;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.18);
  font-size:.78rem;
  letter-spacing:.02em;
}
.poster-title{
  font-size:1.35rem;
  line-height:1.3;
  font-weight:800;
  text-shadow:0 8px 20px rgba(0,0,0,.24);
}
.poster.large .poster-title{font-size:2.3rem}
.poster-sub{
  display:flex; flex-wrap:wrap; gap:.45rem;
  font-size:.85rem; color:rgba(255,255,255,.92);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:.25rem .6rem;
  border-radius:999px;
  background:#eef2ff;
  color:#3730a3;
  font-size:.78rem;
  margin:.15rem .25rem .15rem 0;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.45rem;
  border:none; cursor:pointer;
  padding:.8rem 1.15rem; border-radius:999px;
  font-weight:700;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow:0 12px 28px rgba(37,99,235,.22);
}
.btn-ghost{
  background:rgba(255,255,255,.18);
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
}
.grid-cards{
  display:grid;
  grid-template-columns:repeat(1, minmax(0, 1fr));
  gap:1rem;
}
@media (min-width:640px){ .grid-cards{grid-template-columns:repeat(2, minmax(0, 1fr));} }
@media (min-width:1024px){ .grid-cards{grid-template-columns:repeat(3, minmax(0, 1fr));} }
@media (min-width:1280px){ .grid-cards.cols-4{grid-template-columns:repeat(4, minmax(0, 1fr));} }
.footer{
  padding:2.2rem 0 3rem;
  color:#64748b;
  border-top:1px solid rgba(148,163,184,.25);
}
.breadcrumb{
  display:flex; flex-wrap:wrap; align-items:center;
  font-size:.92rem; color:#64748b;
}
.content-block{
  background:#fff; border:1px solid rgba(148,163,184,.22);
  border-radius:1.25rem; box-shadow:var(--shadow-soft);
  padding:1.2rem;
}
.richtext p{margin:.6rem 0; line-height:1.9}
.richtext h3{margin:1rem 0 .5rem}
.list-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:1rem;
  align-items:start;
  padding:1rem;
  border-radius:1rem;
  border:1px solid rgba(148,163,184,.18);
  background:#fff;
}
.rank-num{
  width:2.25rem; height:2.25rem;
  border-radius:999px;
  display:grid; place-items:center;
  font-weight:800;
  background:linear-gradient(135deg, #dbeafe, #ede9fe);
  color:#1d4ed8;
}
.search-bar{
  display:flex; gap:.6rem; flex-wrap:wrap;
}
.search-input, .select, .range{
  min-height:2.9rem;
  padding:.7rem .95rem;
  border:1px solid rgba(148,163,184,.35);
  border-radius:999px;
  background:#fff;
  color:#0f172a;
  outline:none;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.search-input{flex:1 1 18rem}
.select{flex:0 0 auto}
.range{width:7rem}
.page-hero{
  background:
    linear-gradient(135deg, rgba(15,23,42,.96), rgba(30,64,175,.94) 55%, rgba(124,58,237,.94)),
    radial-gradient(circle at top right, rgba(255,255,255,.18), transparent 26%);
  color:#fff;
}
.page-hero .muted{color:rgba(226,232,240,.82)}
.sticky-top{
  position:sticky; top:0; z-index:40;
  backdrop-filter: blur(16px);
  background:rgba(248,250,252,.84);
  border-bottom:1px solid rgba(148,163,184,.22);
}
.small-caps{
  letter-spacing:.14em; text-transform:uppercase; font-size:.74rem; color:#94a3b8;
}
.video-shell{
  background:#020617;
  border-radius:1.2rem;
  overflow:hidden;
  border:1px solid rgba(148,163,184,.22);
  box-shadow:var(--shadow);
}
video{width:100%; display:block; background:#000}
.kbd{
  font-family:ui-monospace, SFMono-Regular, Menlo, monospace;
  padding:.15rem .4rem;
  border-radius:.4rem;
  border:1px solid rgba(148,163,184,.35);
  background:#fff;
}
.chip-row{display:flex; flex-wrap:wrap; gap:.5rem}
hr.sep{
  border:none;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(148,163,184,.35), transparent);
  margin:1.5rem 0;
}