:root {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #2b1b15;
  background: #fcf5f2;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 10%, #fbe3d8, transparent 38%), #fdf9f7;
}
.card {
  width: min(100%, 430px);
  background: #fff;
  border: 1px solid #ecdcd5;
  border-radius: 22px;
  padding: 34px;
  box-shadow: 0 24px 70px rgba(112, 46, 20, 0.12);
  position: relative;
  overflow: hidden;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 20px;
}
.mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: #d75f28;
  color: #fff;
  display: grid;
  place-items: center;
}
h1 {
  margin: 34px 0 8px;
  font-size: 28px;
}
p {
  color: #766861;
  margin: 0 0 24px;
}
.tabs {
  display: flex;
  background: #f7efeb;
  padding: 4px;
  border-radius: 12px;
  margin-bottom: 20px;
}
.tabs button {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 10px;
  border-radius: 9px;
  color: #776a64;
  cursor: pointer;
}
.tabs button.active {
  background: #fff;
  color: #4b281a;
  box-shadow: 0 2px 8px #e8d8d1;
}
label {
  display: block;
  margin: 14px 0 7px;
  font-size: 14px;
  font-weight: 650;
}
input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #dccbc3;
  border-radius: 11px;
  font-size: 16px;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
input:focus {
  border-color: #d75f28;
  box-shadow: 0 0 0 3px rgba(215, 95, 40, 0.12);
}
button:focus {
  outline: none;
}
button:focus-visible {
  outline: 2px solid rgba(215, 95, 40, 0.55);
  outline-offset: 2px;
}
.tabs button:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(215, 95, 40, 0.32);
}
input.invalid {
  border-color: #c93636;
}
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 10px;
}
.primary,
.send {
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  font-weight: 700;
}
.primary {
  width: 100%;
  min-height: 48px;
  padding: 14px;
  background: #d75f28;
  color: #fff;
  margin-top: 22px;
  font-size: 16px;
}
.send {
  background: #fbe7de;
  color: #b84516;
  padding: 0 10px;
}
.primary:disabled,
.send:disabled,
.tabs button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}
.hint {
  font-size: 12px;
  text-align: center;
  margin: 18px 0 0;
}
.wechat-bind h2{margin:30px 0 8px}.wechat-bind p{margin-bottom:18px}.restart-wechat{display:block;text-align:center;margin-top:16px;color:#766861;font-size:14px}
.login-mode-switch{position:absolute;z-index:3;right:0;top:0;width:72px;height:72px;border:0;background:transparent;cursor:pointer;padding:0;overflow:hidden}.corner-icon-image{display:block;width:72px;height:72px;object-fit:contain}.corner-icon-account{display:none}.login-mode-switch.qr-active .corner-icon-qr{display:none}.login-mode-switch.qr-active .corner-icon-account{display:block}.login-mode-tip{position:absolute;z-index:2;right:76px;top:17px;padding:6px 10px;border:1px solid #b8dfca;border-radius:6px;background:#f2fbf6;color:#16824f;font-size:12px;line-height:1;white-space:nowrap;box-shadow:0 3px 10px rgba(25,130,78,.1)}.login-mode-tip::after{content:"";position:absolute;right:-5px;top:50%;width:8px;height:8px;background:#f2fbf6;border-top:1px solid #b8dfca;border-right:1px solid #b8dfca;transform:translateY(-50%) rotate(45deg)}.wechat-qr-panel{min-height:470px;text-align:center;padding-top:22px}.wechat-qr-panel h1{margin-top:28px}.wechat-qr-shell{width:300px;height:360px;margin:2px auto 0;position:relative;overflow:hidden}.wechat-qr-shell iframe{width:300px;height:400px;border:0;opacity:0;transition:opacity .2s}.wechat-qr-shell iframe.ready{opacity:1}.wechat-qr-loading{position:absolute;inset:40px 0 auto;min-height:240px;display:grid;place-items:center;color:#766861;background:#f8f4f1;border-radius:14px}.wechat-qr-loading.failed{color:#ad3030}.wechat-qr-help{margin-top:-18px;font-size:13px;color:#766861}
.hidden,
[hidden] {
  display: none !important;
}
.error {
  background: #fff0f0;
  color: #ad3030;
  padding: 10px;
  border-radius: 9px;
  margin-bottom: 12px;
  display: none;
}
.error.visible {
  display: block;
}
.field-error {
  display: block;
  min-height: 17px;
  margin-top: 4px;
  color: #b42318;
  font-size: 12px;
}
.password-wrap {
  position: relative;
}
.password-wrap input {
  padding-right: 64px;
}
.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: #b84516;
  padding: 6px;
  cursor: pointer;
}
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  margin-right: 7px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  vertical-align: -3px;
  animation: spin 0.75s linear infinite;
}
.primary.loading .spinner {
  display: inline-block;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 520px) {
  body {
    display: block;
    padding: max(20px, env(safe-area-inset-top)) 16px
      max(20px, env(safe-area-inset-bottom));
    background: #fff;
  }
  .card {
    width: 100%;
    min-height: calc(100vh - 40px);
    border: 0;
    border-radius: 0;
    padding: 24px 4px;
    box-shadow: none;
  }
  .brand {
    margin-top: 8px;
  }
  .login-mode-tip {display:none}
  h1 {
    margin-top: 30px;
  }
  .row {
    grid-template-columns: minmax(0, 1fr) 112px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation-duration: 1.5s;
  }
}