:root { --bg: #0f1115; --card: #181b22; --text: #e8eaf0; --muted: #9aa1b2; --accent: #6c8cff; --danger: #ff6b6b; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid #222634; }
header a { color: var(--text); text-decoration: none; margin-left: 16px; }
.brand { font-weight: 700; font-size: 18px; margin-left: 0 !important; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px; }
.card { background: var(--card); border-radius: 12px; padding: 24px; margin-bottom: 20px; }
h1 { font-size: 30px; margin: 0 0 12px; } h2 { font-size: 20px; margin: 0 0 12px; }
p.muted, .muted { color: var(--muted); }
label { display: block; margin: 12px 0 4px; }
input[type=email], input[type=password] { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid #2c3142; background: #11141a; color: var(--text); font-size: 16px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 12px 0; } .check input { margin-top: 5px; }
button, .btn { display: inline-block; margin-top: 16px; padding: 10px 22px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-size: 16px; cursor: pointer; text-decoration: none; }
.btn.secondary { background: #2c3142; }
#msg { margin-top: 12px; } #msg.err { color: var(--danger); }
table { width: 100%; border-collapse: collapse; } td, th { padding: 6px 4px; border-bottom: 1px solid #262a36; text-align: left; font-size: 14px; }
.notice { background: #2a2414; color: #f5d27a; padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
a { color: var(--accent); }