:root {
  --bg: #080812;
  --panel-2: #151520;
  --ink: #f1effa;
  --ink-soft: #c9c5dc;
  --ink-dim: #8d89a7;
  --gold: #27c93f;
  --gold-2: #1f9e33;
  --violet: #a9a1ca;
  --line: rgba(39, 201, 63, 0.16);
  --line-soft: rgba(255, 255, 255, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  min-height: 100vh;
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 560px at 50% -8%, #1d1b3a 0%, transparent 60%),
    linear-gradient(180deg, rgba(18,16,31,0.96), rgba(7,7,15,1) 45%),
    var(--bg);
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent 72%);
}

/* 顶部品牌条 */
.topbar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 26px 24px;
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand .logo { font-size: 30px; font-weight: 1000; letter-spacing: 0; color: #f7f5ff; -webkit-text-stroke: 1.1px #f7f5ff; }
.brand .sub { font-size: 13px; font-weight: 800; letter-spacing: 5px; color: var(--violet); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.user-chip .ava {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  font-size: 14px; font-weight: 800; color: var(--gold);
  border: 1px solid rgba(39,201,63,0.45);
  background: radial-gradient(circle at 50% 30%, rgba(39,201,63,0.16), transparent 70%), rgba(16,15,25,0.9);
}
.user-chip .logout { font-size: 12px; color: var(--ink-dim); cursor: pointer; }
.user-chip .logout:hover { color: var(--gold); }

/* 门户主体 */
.portal { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 18px 24px 80px; }
.hero-line { padding: 22px 0 38px; }
.hero-line h1 { font-size: clamp(34px, 4.4vw, 58px); font-weight: 1000; line-height: 1.08; }
.hero-line h1 .g { color: var(--gold); }
.hero-line p { margin-top: 14px; color: var(--violet); font-size: clamp(15px, 1.6vw, 19px); letter-spacing: 2px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative; display: flex; flex-direction: column;
  min-height: 230px; padding: 26px 24px;
  border: 1px solid var(--line-soft); border-radius: 16px;
  background: rgba(255,255,255,0.03);
  transition: border-color .2s, transform .2s, background .2s;
  text-decoration: none; color: inherit;
}
.card.active { cursor: pointer; }
.card.active:hover { border-color: rgba(39,201,63,0.5); transform: translateY(-3px); background: rgba(39,201,63,0.05); }
.card.soon { opacity: 0.72; }
.card .tag {
  align-self: flex-start; font-size: 11px; letter-spacing: 2px; padding: 3px 9px; border-radius: 7px;
  margin-bottom: 16px;
}
.card.active .tag { color: var(--gold); border: 1px solid rgba(39,201,63,0.4); }
.card.soon .tag { color: var(--ink-dim); border: 1px solid var(--line-soft); }
.card .ico { font-size: 34px; margin-bottom: 14px; color: var(--gold); }
.card .ico svg { width: 44px; height: 44px; display: block; }
.card h2 { font-size: 23px; font-weight: 800; letter-spacing: 1px; }
.card .desc { margin-top: 10px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; flex: 1; }
.card .enter { margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--gold); }
.card.soon .enter { color: var(--ink-dim); }

.portal-foot { margin-top: 40px; color: var(--ink-dim); font-size: 12px; letter-spacing: 1px; }

@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }

/* 登录页 */
.login-wrap {
  position: relative; z-index: 1; min-height: 100vh;
  display: grid; place-items: center; padding: 24px;
}
.login-card {
  width: min(420px, 92vw); padding: 40px 34px;
  border: 1px solid var(--line); border-radius: 18px;
  background: rgba(16,15,25,0.78); backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  text-align: center;
}
.login-card .logo { font-size: 40px; font-weight: 1000; -webkit-text-stroke: 0.8px #f7f5ff; color: #f7f5ff; }
.login-card .sub { margin-top: 8px; font-size: 13px; letter-spacing: 6px; color: var(--violet); font-weight: 800; }
.login-card .welcome { margin: 26px 0 18px; color: var(--ink-soft); font-size: 14px; letter-spacing: 1px; }
.login-card input {
  width: 100%; padding: 14px 16px; font-size: 15px;
  color: var(--ink); background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-soft); border-radius: 10px; outline: none;
}
.login-card input:focus { border-color: rgba(39,201,63,0.5); }
.login-card .btn {
  width: 100%; margin-top: 14px; padding: 14px; font: inherit; font-size: 15px; font-weight: 800;
  color: #06140a; background: linear-gradient(180deg, #34e055, #1fb53a);
  border: 0; border-radius: 10px; cursor: pointer; letter-spacing: 4px;
}
.login-card .btn:hover { filter: brightness(1.06); }
.login-card .err { margin-top: 12px; color: #ee8e73; font-size: 13px; min-height: 18px; }