:root {
  --bg: #070b16;
  --bg2: #0d1426;
  --card: rgba(255, 255, 255, .045);
  --line: rgba(255, 255, 255, .09);
  --txt: #e9edf7;
  --dim: #8e99b3;
  --a1: #6ea8ff;
  --a2: #a97bff;
  --ok: #3ddc97;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: radial-gradient(1100px 620px at 12% -8%, #1b2a55 0%, transparent 60%),
              radial-gradient(900px 520px at 92% 4%, #35215c 0%, transparent 58%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 60%, var(--bg) 100%);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: 24px 16px 40px;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

.wrap { max-width: 720px; margin: 0 auto; position: relative; }

.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 650; letter-spacing: .3px; }
.logo svg { color: var(--a1); }

.badge {
  font-size: 12px; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--dim);
  letter-spacing: .6px;
}

.sub { color: var(--dim); margin: 14px 0 18px; font-size: 14px; }

.hero {
  background: linear-gradient(160deg, rgba(110,168,255,.14), rgba(169,123,255,.10));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, .38);
}

.ip-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }

.ip {
  font-size: clamp(30px, 8.4vw, 50px);
  font-weight: 700;
  letter-spacing: .5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: linear-gradient(92deg, #fff, var(--a1) 55%, var(--a2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  word-break: break-all;
}

.port { font-size: clamp(18px, 5vw, 26px); color: var(--dim); font-family: ui-monospace, Menlo, Consolas, monospace; }
.port b { color: var(--ok); font-weight: 700; }

.loc { display: flex; align-items: center; gap: 8px; margin-top: 14px; color: var(--txt); opacity: .92; font-size: 15px; }
.loc svg { color: var(--a2); flex: none; }

.grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 12px;
}

.cell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  display: flex; flex-direction: column; gap: 6px;
}

.cell .k { font-size: 12px; color: var(--dim); }
.cell .v { font-size: 15px; font-weight: 600; word-break: break-all; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 500 !important; font-size: 14px !important; }

.ua { margin-top: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.ua summary { cursor: pointer; color: var(--dim); font-size: 13px; }
.ua code { display: block; margin-top: 10px; font-size: 12px; color: var(--dim); word-break: break-all; line-height: 1.6; }

.foot { margin-top: 26px; text-align: center; color: var(--dim); font-size: 12px; opacity: .75; }

/* 404 页（复用本文件样式，避免内联 style 触发 CSP unsafe-inline） */
.notfound {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
}
.notfound .code { font-size: clamp(56px, 16vw, 88px); font-weight: 700; letter-spacing: 2px;
  background: linear-gradient(92deg, #fff, var(--a1) 60%, var(--a2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.notfound .desc { color: var(--dim); font-size: 14px; }
.notfound .back { margin-top: 12px; color: var(--a1); font-size: 14px; text-decoration: none; }
.notfound .back:hover { text-decoration: underline; }

@media (max-width: 420px) {
  .hero { padding: 20px 16px; }
  body { padding: 18px 12px 32px; }
}