@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700&display=swap");

:root {
  --bg: #0a121c;
  --panel: #121b28;
  --card: #172233;
  --line: rgba(110, 168, 255, 0.2);
  --blue: #7eb0ff;
  --blue-2: #d7e7ff;
  --gold: #e8c56a;
  --text: #f2f5fa;
  --muted: #9aa8bc;
  --ok: #6ed6a0;
  --r: 14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 92% -8%, rgba(110, 168, 255, 0.14), transparent 52%),
    radial-gradient(700px 400px at 0 100%, rgba(232, 197, 106, 0.07), transparent 46%),
    var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.skip {
  position: absolute; left: -999px; top: 8px;
}
.skip:focus { left: 12px; z-index: 80; background: var(--gold); color: #1a1404; padding: 8px 12px; border-radius: 8px; }
.w { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

.bar { border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); letter-spacing: 0.06em; }
.bar .w { display: flex; justify-content: space-between; min-height: 36px; align-items: center; gap: 12px; }

.hd {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 18, 28, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.hd-in { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 16px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.04em; }
.logo b {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(160deg, #9bc4ff, #2f6fe0); color: #071018; font-size: 13px;
  border: 1px solid rgba(232, 197, 106, .45);
}
.logo small { display: block; font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: 0.14em; }
.nav { display: flex; gap: 20px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a.on { color: var(--blue-2); }
.dl {
  background: linear-gradient(180deg, #9bc4ff, #3b7dff);
  color: #071018; font-weight: 700; font-size: 13px;
  padding: 8px 16px; border-radius: 8px;
}
.menu {
  display: none; width: 40px; height: 40px; border-radius: 8px;
  border: 1px solid var(--line); background: none; color: var(--blue); cursor: pointer;
}

.hero { padding: 56px 0 28px; display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 44px; align-items: center; }
.k { color: var(--gold); letter-spacing: 0.18em; font-size: 12px; margin-bottom: 12px; font-weight: 700; }
h1, h2 { font-family: "Noto Serif SC", serif; font-weight: 700; }
h1 { font-size: clamp(30px, 4.2vw, 46px); line-height: 1.28; }
h1 em { font-style: normal; color: var(--blue); }
.hero p { margin-top: 14px; color: var(--muted); }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn {
  min-height: 46px; padding: 0 18px; border-radius: 10px;
  display: inline-flex; align-items: center; font-size: 14px; font-weight: 600;
}
.btn-p { background: linear-gradient(180deg, #9bc4ff, #3b7dff); color: #071018; }
.btn-g { border: 1px solid var(--line); color: var(--blue-2); }

.ph {
  position: relative; overflow: hidden; border-radius: 16px; border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(10,16,24,.15), rgba(10,16,24,.5)),
    radial-gradient(circle at 28% 18%, rgba(110,168,255,.26), transparent 46%),
    #152033;
  aspect-ratio: 16/10;
}
.ph.wide { aspect-ratio: 21/8; min-height: 168px; }
.ph.mid { aspect-ratio: 16/9; }
.ph::before {
  content: attr(data-tip); position: absolute; inset: 0; display: grid; place-items: center;
  color: rgba(215, 231, 255, .72); font-size: 13px; letter-spacing: .08em; pointer-events: none; text-align: center; padding: 16px;
}
.ph.ok::before { display: none; }
.ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.ph.ok img { opacity: 1; }

.panel { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.panel h3 { font-size: 18px; margin-bottom: 6px; }
.panel p { color: var(--muted); font-size: 14px; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--panel);
}
.stats div { padding: 18px 12px; text-align: center; border-right: 1px solid var(--line); }
.stats div:last-child { border-right: none; }
.stats b { display: block; color: var(--gold); font-size: 16px; }
.stats span { font-size: 12px; color: var(--muted); }

.sec { padding: 64px 0; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.head h2 { font-size: 28px; }
.head p, .lead { color: var(--muted); font-size: 15px; }
.lead { margin-top: 12px; max-width: 820px; }
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.split p { color: #d9e2ef; margin-bottom: 14px; }

.box, .card, .qa { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); }
.box { padding: 22px; }
.box h3 { color: var(--blue-2); font-size: 18px; margin-bottom: 8px; }
.box p, .card p { color: var(--muted); font-size: 14.5px; }

.card { overflow: hidden; transition: transform .2s ease, border-color .2s ease; display: flex; flex-direction: column; height: 100%; }
.card:hover { transform: translateY(-4px); border-color: rgba(110,168,255,.45); }
.card .ph { border: none; border-radius: 0; height: 158px; aspect-ratio: auto; }
.body { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.meta { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.card h3 { font-size: 18px; margin-bottom: 8px; line-height: 1.4; }
.chip {
  position: absolute; z-index: 2; top: 12px; left: 12px;
  background: var(--gold); color: #1a1404; font-size: 11px; font-weight: 700;
  padding: 3px 8px; border-radius: 4px;
}
.more { display: inline-block; margin-top: auto; padding-top: 10px; color: var(--blue); font-size: 13px; font-weight: 600; }

.news { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.news a {
  display: grid; grid-template-columns: 108px 1fr auto; gap: 16px; align-items: center;
  padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,.05);
}
.news a:last-child { border-bottom: none; }
.news a:hover { background: rgba(110,168,255,.06); }
.news time { color: var(--gold); font-size: 13px; }
.news h3 { font-size: 16px; }
.news p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.news i {
  font-style: normal; font-size: 12px; color: var(--blue-2);
  border: 1px solid var(--line); padding: 4px 8px; border-radius: 99px; white-space: nowrap;
}

.strip {
  border: 1px solid var(--line); border-radius: 18px; padding: 28px;
  background: linear-gradient(135deg, #15233a, #101820);
  display: grid; grid-template-columns: 1.3fr auto; gap: 20px; align-items: center;
}
.strip p { color: var(--muted); margin-top: 8px; }

.plats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plat { padding: 22px; }
.plat h3 { margin-bottom: 8px; }
.plat ul { margin: 10px 0 16px 18px; color: var(--muted); font-size: 14px; }
.ok { color: var(--ok); font-size: 12px; font-weight: 600; }

.page { padding: 46px 0 22px; border-bottom: 1px solid var(--line); }
.bc { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.bc a:hover { color: var(--blue); }

.detail { padding: 40px 0 72px; display: grid; grid-template-columns: 1fr 280px; gap: 28px; }
.paper { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 32px; }
.paper h1 { font-size: 30px; margin: 8px 0 16px; }
.paper .ph { margin: 8px 0 22px; }
.prose p { margin-bottom: 16px; color: #d9e2ef; }
.prose h2, .prose h3 { margin: 24px 0 10px; color: var(--blue-2); font-size: 20px; font-family: "Noto Serif SC", serif; }
.prose ul { margin: 0 0 16px 18px; color: #d9e2ef; }
.prose li { margin: 6px 0; }
.side { display: flex; flex-direction: column; gap: 14px; }
.side .box { padding: 16px; }
.side h3 { font-size: 15px; color: var(--gold); margin-bottom: 8px; }
.side a { display: block; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.04); color: var(--muted); font-size: 14px; }
.side a:hover { color: var(--blue-2); }

.qa { padding: 18px 20px; }
.qa h3 { font-size: 16px; color: var(--blue-2); margin-bottom: 6px; }
.qa p { color: var(--muted); font-size: 14px; }
.qas { display: grid; gap: 12px; }

.ft { border-top: 1px solid var(--line); padding: 40px 0 22px; background: #070b12; }
.cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 18px; }
.ft h4 { color: var(--gold); font-size: 14px; margin-bottom: 10px; }
.ft p, .ft a { color: var(--muted); font-size: 14px; }
.ft a { display: block; padding: 3px 0; }
.ft a:hover { color: var(--blue-2); }
.copy { color: #6d7788; font-size: 12px; border-top: 1px solid rgba(255,255,255,.05); padding-top: 14px; }

@media (max-width: 900px) {
  .menu { display: grid; place-items: center; }
  .nav, .hd .dl { display: none; }
  .nav.open {
    display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: #121a26; padding: 16px 22px 22px; border-bottom: 1px solid var(--line); z-index: 30;
  }
  .hero, .g2, .g3, .split, .detail, .stats, .cols, .news a, .plats, .strip { grid-template-columns: 1fr; }
  .stats div { border-right: none; border-bottom: 1px solid var(--line); }
  .paper { padding: 20px; }
}