:root {
  --bg: #0f1115;
  --panel: #171a21;
  --text: #f3f5f8;
  --muted: #a6afbb;
  --brand: #ff4d7a;
  --brand-dark: #db2e60;
  --line: #262b36;
  --ok: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #0f1115 0%, #121622 100%);
  color: var(--text);
  line-height: 1.7;
}
a { color: #fc253f; text-decoration: none; }
a:hover { color: #fff; }
.container { width: min(1180px, 92%); margin: 0 auto; }
header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(15, 17, 21, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-wrap img { width: 34px; height: 34px; border-radius: 8px; }
.nav-links { display: flex; gap: 16px; flex-wrap: wrap; }
.nav-links a { color: var(--text); font-size: 14px; opacity: 0.92; }
.nav-links a.active, .nav-links a:hover { color: var(--brand); }
.nav-mobile { display: none; }
.nav-mobile summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  border: 1px solid var(--line);
  background: rgba(23, 26, 33, 0.85);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}
.nav-mobile summary::-webkit-details-marker { display: none; }
.nav-mobile[open] summary { border-color: rgba(255, 77, 122, 0.55); }
.nav-mobile .panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(320px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
}
.nav-mobile .panel a {
  display: block;
  padding: 10px 10px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
}
.nav-mobile .panel a.active { color: var(--brand); }
.nav-mobile .panel a:hover { background: rgba(255,255,255,0.04); }

@media (max-width: 720px) {
  .nav { position: relative; }
  .nav-links { display: none; }
  .nav-mobile { display: block; }
}
.hero {
  padding: 20px 0 34px;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
}
.hero p { color: var(--muted); margin: 0 0 20px; max-width: 760px; }
.btn {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}
.btn:hover { background: var(--brand-dark); }
.meta-list {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.meta-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 13px;
  color: #d9dee8;
}
.section { padding: 20px 0 26px; }
.section h2 { margin: 0 0 14px; font-size: 28px; }
.section p.lead { color: var(--muted); margin: 0 0 18px; }
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}
.card .content { padding: 12px 13px 14px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.breadcrumb {
  margin: 18px 0 6px;
  font-size: 13px;
  color: #c7ccd5;
}
article.page {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin: 12px 0 26px;
}
article.page h1 { margin-top: 0; }
article.page h2 { margin-top: 24px; }
ul.clean { padding-left: 18px; }
.reco {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.reco a { margin-right: 14px; font-size: 14px; }
footer {
  margin-top: 36px;
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 14px;
}
footer .links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.notice {
  border: 1px solid #4a1d2d;
  background: #2a1420;
  color: #ffd9e6;
  border-radius: 10px;
  padding: 12px;
}
.status-code {
  font-size: clamp(48px, 10vw, 100px);
  font-weight: 800;
  margin: 8px 0;
  color: var(--brand);
}
.tag-ok {
  color: var(--ok);
  font-weight: 600;
}