:root {
  --ink: #101820;
  --muted: #68756f;
  --line: #d6dfda;
  --surface: #ffffff;
  --surface-muted: #edf2ef;
  --green: #08775a;
  --green-dark: #055a44;
  --red: #ba3542;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--surface-muted);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { min-height: 100vh; margin: 0; background: var(--surface-muted); }
button, input { font: inherit; }

.login-header {
  height: 76px;
  padding: 0 clamp(22px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
}

.login-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.login-brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--ink);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
}
.login-brand strong, .login-brand small { display: block; letter-spacing: 0; }
.login-brand strong { font-size: 14px; }
.login-brand small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.domain-label { color: var(--muted); font-size: 11px; }

.login-main {
  width: min(1160px, calc(100% - 44px));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  align-items: center;
  gap: clamp(56px, 9vw, 130px);
  padding: 56px 0 72px;
}

.login-identity { min-width: 0; }
.identity-kicker { color: var(--green); font-size: 10px; font-weight: 800; }
.login-identity h1 { margin: 18px 0 0; font-size: 58px; line-height: 1.08; letter-spacing: 0; }
.login-identity p { margin: 14px 0 0; color: var(--muted); font-size: 17px; }

.market-motif {
  height: 170px;
  margin-top: 58px;
  padding: 0 4px;
  display: grid;
  grid-template-columns: repeat(12, minmax(8px, 1fr));
  align-items: end;
  gap: clamp(8px, 1.4vw, 18px);
  border-bottom: 1px solid #b7c4be;
}
.market-motif span {
  height: var(--h);
  min-height: 18px;
  border-top: 3px solid var(--green);
  background: rgba(8, 119, 90, .13);
}
.market-motif span:nth-child(3n) { border-top-color: var(--red); background: rgba(186, 53, 66, .09); }

.login-panel {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: 0 16px 50px rgba(16, 24, 32, .10);
  overflow: hidden;
}
.login-panel-header { padding: 30px 32px 22px; border-bottom: 1px solid var(--line); }
.login-panel-header span { color: var(--green); font-size: 10px; font-weight: 800; }
.login-panel-header h2 { margin: 9px 0 0; font-size: 25px; letter-spacing: 0; }
.login-panel form { padding: 25px 32px 30px; }
.login-panel label { display: block; margin: 0 0 7px; color: var(--muted); font-size: 11px; font-weight: 700; }
.login-panel input {
  width: 100%;
  height: 46px;
  margin: 0 0 20px;
  padding: 0 13px;
  border: 1px solid #b9c6c0;
  border-radius: 4px;
  outline: 0;
  background: #fbfcfb;
  color: var(--ink);
  font-size: 14px;
}
.login-panel input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(8, 119, 90, .11); }
.login-error { min-height: 18px; margin: -3px 0 12px; color: var(--red); font-size: 11px; }
.login-panel button {
  width: 100%;
  height: 46px;
  border: 0;
  border-radius: 4px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}
.login-panel button:hover { background: var(--green-dark); }
.login-panel button:focus-visible { outline: 3px solid rgba(8, 119, 90, .22); outline-offset: 2px; }
.login-panel button:disabled { cursor: wait; opacity: .65; }
.login-panel footer {
  min-height: 44px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  background: #f7f9f8;
  color: var(--muted);
  font-size: 10px;
}
.secure-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

@media (max-width: 780px) {
  .login-header { height: 68px; padding: 0 18px; }
  .domain-label { display: none; }
  .login-main { width: min(420px, calc(100% - 32px)); min-height: calc(100vh - 68px); display: block; padding: 42px 0 54px; }
  .login-identity { margin-bottom: 32px; }
  .identity-kicker, .market-motif { display: none; }
  .login-identity h1 { margin-top: 0; font-size: 31px; }
  .login-identity p { margin-top: 8px; font-size: 13px; }
  .login-panel-header { padding: 25px 24px 19px; }
  .login-panel form { padding: 22px 24px 26px; }
  .login-panel footer { padding: 0 24px; }
}