:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
  --text: #e8eef8;
  --muted: #8b9bb8;
  --line: rgba(255, 255, 255, 0.1);
  --cyan: #00d4ff;
  --orange: #ff6b35;
  --green: #22c55e;
  --warn: #f59e0b;
  --radius: 16px;
  --font: "Outfit", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; }

.phone {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 40% at 10% 0%, rgba(0, 212, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 30% at 100% 8%, rgba(255, 107, 53, 0.12), transparent 50%),
    var(--bg);
  position: relative;
  padding-bottom: calc(78px + env(safe-area-inset-bottom));
}

.demo-bar {
  background: linear-gradient(90deg, #0e4d63, #00a3c4);
  color: #fff;
  text-align: center;
  font-size: 12px;
  padding: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px 16px 8px;
  gap: 12px;
}
.nav h1 { margin: 0; font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.nav .sub { color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.4; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.pill {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.25);
}
.pill.warn {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  border-color: rgba(245, 158, 11, 0.3);
}

.content { padding: 0 14px 18px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-top: 12px;
  backdrop-filter: blur(10px);
}
.card h3 { margin: 0 0 8px; font-size: 15px; }
.muted { color: var(--muted); font-size: 13px; line-height: 1.55; }
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.kpi {
  background: var(--card-strong);
  border-radius: 12px;
  padding: 12px;
}
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .val { font-size: 22px; font-weight: 800; margin-top: 4px; letter-spacing: -0.02em; }
.kpi .val.up { color: var(--green); }
.kpi .unit { font-size: 12px; font-weight: 600; color: var(--muted); }

.suggest-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
}
.suggest-title { font-size: 16px; font-weight: 700; margin: 0 0 8px; line-height: 1.4; }
.change-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  gap: 10px;
}
.change-row:last-child { border-bottom: none; }
.change-tag { font-size: 13px; font-weight: 600; }
.change-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--cyan);
  font-size: 13px;
  white-space: nowrap;
}

.tag-list { display: flex; flex-direction: column; gap: 8px; }
.tag-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--card-strong);
  border: 1px solid transparent;
}
.tag-item.ai { border-color: rgba(0, 212, 255, 0.35); }
.tag-name { font-size: 13px; font-weight: 600; }
.tag-code { font-size: 11px; color: var(--muted); font-family: ui-monospace, Menlo, Consolas, monospace; }
.tag-val { font-size: 16px; font-weight: 800; text-align: right; font-family: ui-monospace, Menlo, Consolas, monospace; }
.tag-st {
  font-size: 11px;
  text-align: right;
  color: var(--green);
}
.tag-st.ai { color: var(--cyan); }
.tag-st.done { color: var(--orange); }

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.btn {
  flex: 1;
  min-width: 90px;
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #ff6b35, #ff8a5b);
  color: #fff;
}
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--text);
}
.btn.ghost {
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--cyan);
}

.bottom {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 430px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  background: rgba(11, 18, 32, 0.92);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(14px);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  z-index: 20;
}
.bottom a {
  text-decoration: none;
  color: var(--muted);
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 4px;
  border-radius: 10px;
}
.bottom a.active { color: var(--cyan); background: rgba(0, 212, 255, 0.08); }
.bottom .ico { display: block; font-size: 16px; margin-bottom: 2px; }

.modal-back {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 40;
  padding: 16px;
}
.modal-back.show { display: flex; }
.modal {
  width: 100%;
  max-width: 400px;
  background: #121a2b;
  border: 1px solid var(--line);
  border-radius: 18px 18px 12px 12px;
  padding: 16px;
  max-height: 75vh;
  overflow: auto;
}
.modal h3 { margin: 0 0 8px; }
.exec-step {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  margin: 6px 0;
  color: var(--muted);
  font-size: 13px;
}
.exec-step.active {
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
}
.exec-step.done { color: var(--green); }

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.info-row:last-child { border-bottom: none; }
.info-row span { color: var(--muted); }
.info-row strong { font-weight: 700; text-align: right; }

.login-phone { padding-bottom: 24px; }
.login-wrap { padding: 28px 16px 24px; }
.login-brand { text-align: center; margin-bottom: 18px; }
.login-mark {
  width: 56px; height: 56px; margin: 0 auto 12px;
  border-radius: 16px;
  background: linear-gradient(145deg, #0e4d63, #00a3c4);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; letter-spacing: 0.04em;
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.2);
}
.login-brand h2 { margin: 0 0 6px; font-size: 22px; }
.login-card label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0 6px;
  font-weight: 600;
}
.login-card input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.login-card input:focus {
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.error {
  color: #fca5a5;
  font-size: 13px;
  min-height: 18px;
  margin-top: 10px;
}
.hint-box {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}
.nav-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.link-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
}