:root {
  --wechat-bind-surface: #19150f;
  --wechat-bind-raised: #231e16;
  --wechat-bind-line: rgba(255, 244, 219, 0.14);
  --wechat-bind-gold: #e3a93c;
  --wechat-bind-gold-soft: #c9a45c;
  --wechat-bind-text: rgba(255, 250, 240, 0.92);
  --wechat-bind-muted: rgba(255, 250, 240, 0.60);
  --wechat-bind-faint: rgba(255, 250, 240, 0.38);
  --wechat-bind-danger: #ef9a8f;
  --wechat-bind-radius: 22px;
  --wechat-bind-control-height: 46px;
  --wechat-bind-qr-size: 248px;
  --wechat-bind-ease: cubic-bezier(0.23, 1, 0.32, 1);
}

.wechat-bind-trigger {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: 9px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: background-color 120ms var(--wechat-bind-ease), border-color 120ms var(--wechat-bind-ease);
}

.wechat-bind-trigger:hover { background: var(--bg-tertiary); }
.wechat-bind-trigger[data-bound="true"] { color: var(--text-secondary); }
.wechat-bind-trigger[hidden] { display: none !important; }

.account-settings-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: none;
  padding: 0 6px;
  border-radius: 7px;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 600;
  transition: background-color 120ms var(--wechat-bind-ease);
}

.user-status .account-settings-trigger {
  max-width: none;
  overflow: visible;
  text-overflow: clip;
}

.account-settings-trigger:hover { background: var(--bg-tertiary); }
.account-settings-trigger::after {
  margin-left: 5px;
  color: var(--text-secondary);
  content: "· 账号设置";
  font-size: 12px;
  font-weight: 500;
}

.wechat-bind-overlay {
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(10, 9, 8, 0.82);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms var(--wechat-bind-ease), visibility 200ms var(--wechat-bind-ease);
}

.wechat-bind-overlay.is-open { opacity: 1; visibility: visible; }

.wechat-bind-modal {
  position: relative;
  width: min(100%, 390px);
  padding: 28px;
  border: 1px solid var(--wechat-bind-line);
  border-radius: var(--wechat-bind-radius);
  background: linear-gradient(145deg, var(--wechat-bind-raised), var(--wechat-bind-surface));
  color: var(--wechat-bind-text);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.04);
  transform: translateY(12px);
  transition: transform 320ms var(--wechat-bind-ease);
}

.wechat-bind-overlay.is-open .wechat-bind-modal { transform: translateY(0); }

.wechat-bind-close {
  position: absolute;
  top: 13px;
  right: 13px;
  display: grid;
  width: 44px;
  min-height: 44px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--wechat-bind-muted);
  cursor: pointer;
  font-size: 22px;
}

.wechat-bind-title {
  margin: 4px 44px 22px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
}

.wechat-bind-qr {
  display: grid;
  width: var(--wechat-bind-qr-size);
  min-height: var(--wechat-bind-qr-size);
  margin: 0 auto;
  place-items: center;
  overflow: hidden;
  border: 10px solid #fff;
  border-radius: 16px;
  background: #fff;
}

.wechat-bind-qr:empty::after {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(23, 17, 9, 0.14);
  border-top-color: #171109;
  border-radius: 50%;
  animation: wechat-bind-spin 900ms linear infinite;
  content: "";
}

.wechat-bind-qr img { display: block; width: 100%; height: auto; }

.wechat-bind-status {
  min-height: 25px;
  margin: 18px 0 0;
  color: var(--wechat-bind-muted);
  text-align: center;
}

.wechat-bind-status.is-error,
.account-settings-status.is-error,
.account-profile-status.is-error { color: var(--wechat-bind-danger); }
.account-profile-status.is-success { color: #7fc69a; }

.wechat-bind-bound-view { text-align: center; }
.is-hidden { display: none; }

.wechat-bind-bound-mark {
  display: grid;
  width: 58px;
  height: 58px;
  margin: 12px auto 18px;
  place-items: center;
  border: 1px solid rgba(227, 169, 60, 0.35);
  border-radius: 50%;
  color: var(--wechat-bind-gold-soft);
  font-size: 24px;
}

.wechat-bind-bound-name {
  margin: -10px 0 22px;
  color: var(--wechat-bind-muted);
}

.wechat-bind-button {
  min-height: var(--wechat-bind-control-height);
  padding: 0 17px;
  border: 1px solid var(--wechat-bind-line);
  border-radius: 13px;
  background: transparent;
  color: var(--wechat-bind-text);
  cursor: pointer;
  font-weight: 600;
}

.wechat-bind-button-primary {
  border-color: transparent;
  background: var(--wechat-bind-gold-soft);
  color: #171109;
}

.wechat-bind-button-danger { color: var(--wechat-bind-danger); }
.wechat-bind-button:disabled { opacity: 0.45; cursor: not-allowed; }

.wechat-bind-button:focus-visible,
.wechat-bind-close:focus-visible,
.wechat-bind-trigger:focus-visible,
.account-settings-trigger:focus-visible,
.account-settings-input:focus-visible {
  outline: 2px solid var(--wechat-bind-gold);
  outline-offset: 3px;
}

.account-settings-overlay {
  --account-ai-width: 1240px;
  --account-ai-core-width: 184px;
  --account-ai-gap: 12px;
  --account-ai-padding: 18px;
  --account-ai-line: rgba(255, 250, 240, .09);
  --account-ai-success: #7fc69a;
  --account-ai-input: rgba(10, 9, 8, .52);
  --wechat-bind-control-height: 44px;
  background: radial-gradient(ellipse at 30% 25%, rgba(201,164,92,.08), transparent 55%), rgba(10,9,8,.86);
  backdrop-filter: blur(12px);
}
/* Keep the floating assistant clear of account controls; restore on close. */
body:has(#accountSettingsOverlay.is-open) :is(#yxHello, #yxFab) {
  visibility: hidden;
  pointer-events: none;
}
.account-settings-modal {
  box-sizing: border-box;
  width: min(100%, var(--account-ai-width));
  max-height: calc(100dvh - 36px);
  overflow: auto;
  padding: 0;
  text-align: left;
  background: radial-gradient(ellipse at 0 0, rgba(201,164,92,.06), transparent 60%), #16130e;
  border-color: rgba(201,164,92,.22);
}
.account-settings-modal *, .account-settings-modal *::before, .account-settings-modal *::after { box-sizing: border-box; }
.account-ai-header { display: flex; gap: 14px; align-items: center; min-height: 96px; padding: 20px 26px; border-bottom: 1px solid var(--account-ai-line); }
.account-ai-mark { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid rgba(201,164,92,.3); border-radius: 13px; color: var(--wechat-bind-gold-soft); font: 500 16px/1 monospace; }
.account-ai-heading { min-width: 0; }
.account-ai-heading .wechat-bind-title { margin: 0; text-align: left; font-size: 23px; font-weight: 600; }
.account-ai-subtitle { margin: 5px 0 0; color: var(--wechat-bind-faint); font-size: 12.5px; }
.account-settings-name { margin: 0 0 0 auto; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; color: var(--wechat-bind-muted); }
.account-ai-header .wechat-bind-close { position: static; flex-shrink: 0; }
.account-ai-body { display: grid; grid-template-columns: var(--account-ai-core-width) minmax(0,1fr); min-height: 300px; }
.account-ai-core { position: relative; isolation: isolate; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 8px; overflow: hidden; padding: 28px 16px; border-right: 1px solid var(--account-ai-line); background: radial-gradient(circle at 50% 44%, rgba(201,164,92,.11), transparent 60%); }
.account-ai-core::before { position: absolute; z-index: -1; inset: 0; content: ""; opacity: .35; background-image: linear-gradient(var(--account-ai-line) 1px,transparent 1px),linear-gradient(90deg,var(--account-ai-line) 1px,transparent 1px); background-size: 36px 36px; mask-image: radial-gradient(ellipse,#000,transparent 75%); }
.account-ai-sphere { position: relative; display: grid; place-items: center; width: 108px; height: 108px; margin: 18px 0 20px; border: 1px solid rgba(228,201,142,.38); border-radius: 50%; background: radial-gradient(circle at 30% 24%, rgba(255,250,235,.22), transparent 28%),radial-gradient(circle at 50% 55%, rgba(201,164,92,.27),rgba(201,164,92,.06) 55%,#0a0908 80%); }
.account-ai-sphere::before,.account-ai-sphere::after { position: absolute; border-radius: 50%; content: ""; pointer-events: none; }
.account-ai-sphere::before { inset: -13px; border: 1px dashed rgba(201,164,92,.33); animation: account-ai-orbit 30s linear infinite; }
.account-ai-sphere::after { inset: -28px; border: 1px solid rgba(201,164,92,.1); }
.account-ai-glyph { color: rgba(255,238,204,.92); font: 500 30px/1 monospace; letter-spacing: -2px; }
.account-ai-core-title { margin: 0; font-size: 15px; font-weight: 500; }
.account-ai-core-caption { margin: 0; color: var(--wechat-bind-faint); font-size: 12px; }
.account-ai-controls { min-width: 0; display: grid; align-content: center; gap: var(--account-ai-gap); padding: var(--account-ai-padding); }
.account-ai-identity,.account-ai-connections,.account-password-section { min-width: 0; border: 1px solid var(--account-ai-line); border-radius: 14px; background: linear-gradient(105deg,rgba(255,250,240,.025),transparent 65%),rgba(10,9,8,.28); }
.account-ai-identity { display: grid; grid-template-columns: minmax(0,1fr) 310px; align-items: center; padding: 14px 16px; gap: 16px; }
.account-profile-center { display: grid; grid-template-columns: auto minmax(100px,1fr) auto; align-items: center; gap: 10px; min-width: 0; margin: 0; }
.account-profile-title,.account-wechat-title,.account-security-title { margin: 0; font-size: 15px; font-weight: 500; white-space: nowrap; }
.account-profile-field { min-width: 0; }
.account-profile-field > label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.account-profile-submit { background: var(--wechat-bind-gold-soft); color: #171109; border-color: transparent; }
.account-profile-status { grid-column: 1/-1; margin: 0; color: var(--wechat-bind-muted); font-size: 12.5px; line-height: 1.6; overflow-wrap: anywhere; }
.account-profile-status:empty { display: none; }
#accountUsernameField { grid-column: 1/-1; grid-row: 2; display: grid; grid-template-columns: auto minmax(0,1fr); align-items: center; }
#accountUsernameField > label { position: static; width: auto; height: auto; clip-path: none; font-size: 12.5px; }
.account-membership-card { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 9px; align-items: center; min-width: 0; margin: 0; padding-left: 16px; border-left: 1px solid var(--account-ai-line); }
.account-membership-card.is-loading { opacity: .72; }
.account-membership-badge { display: grid; place-items: center; min-width: 40px; height: 30px; padding: 0 6px; border: 1px solid rgba(201,164,92,.3); border-radius: 8px; color: var(--wechat-bind-gold-soft); font-size: 12px; font-weight: 600; }
.account-membership-plan,.account-membership-remaining { display: block; margin: 0; font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.account-membership-cycle,.account-membership-expiry { display: block; margin: 3px 0 0; font-size: 12px; color: var(--wechat-bind-faint); }
.account-membership-time { text-align: right; }
.account-membership-card.is-inactive .account-membership-badge { color: var(--wechat-bind-muted); }
.account-ai-connections { display: grid; grid-template-columns: 270px minmax(0,1fr); padding: 14px 16px; gap: 14px; align-items: center; }
.account-wechat-center { display: grid; grid-template-columns: 30px minmax(0,1fr) auto; gap: 3px 8px; align-items: center; min-width: 0; margin: 0; }
.account-wechat-icon { grid-row: 1/4; position: relative; width: 28px; height: 28px; color: var(--account-ai-success); }
.account-wechat-icon::before,.account-wechat-icon::after { position: absolute; content: ""; border: 1.5px solid currentColor; border-radius: 50%; width: 19px; height: 15px; }
.account-wechat-icon::before { top: 3px; left: 0; }
.account-wechat-icon::after { top: 11px; left: 8px; background: #16130e; }
.account-wechat-title { grid-column: 2; }
.account-wechat-summary { grid-column: 2; margin: 0; color: var(--wechat-bind-muted); font-size: 12.5px; }
.account-wechat-detail { grid-column: 1/-1; margin: 0; font-size: 12px; color: var(--wechat-bind-faint); overflow-wrap: anywhere; }
.account-wechat-detail:empty { display: none; }
.account-wechat-action { grid-column: 3; grid-row: 1/3; }
.account-security-center { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 6px 8px; align-items: center; min-width: 0; margin: 0; padding-left: 14px; border-left: 1px solid var(--account-ai-line); }
.account-security-title { grid-column: 1; grid-row: 1; }
.account-security-summary { min-width: 0; margin: 0; color: var(--wechat-bind-muted); font-size: 13px; }
.account-security-panel { display: grid; gap: 8px; min-width: 0; }
#accountSecurityBindPanel { grid-column: 2/-1; grid-row: 1; grid-template-columns: minmax(112px,1fr) minmax(62px,.55fr) auto auto; }
.account-security-center:has(#accountSecurityBindPanel:not([hidden])) > .account-security-summary { display: none; }
#accountSecurityBindPanel .account-settings-field { position: relative; font-size: 0; gap: 0; }
#accountSecurityBindPanel .account-settings-input { font-size: 14px; }
#accountSecurityBindPanel .wechat-bind-button { padding: 0 9px; font-size: 13px; }
#accountSecurityChangeToggle { grid-column: 3; grid-row: 1; }
#accountSecurityChangePanel { grid-column: 1/-1; grid-template-columns: repeat(2,minmax(0,1fr)); padding-top: 8px; }
.account-security-help { grid-column: 1/-1; margin: 0; color: var(--wechat-bind-faint); font-size: 12px; overflow-wrap: anywhere; }
#accountSecurityStatus { grid-column: 1/-1; margin: 0; font-size: 12.5px; }
#accountSecurityStatus:empty { display: none; }
.account-password-summary { display: flex; gap: 12px; align-items: center; min-height: 64px; padding: 10px 16px; cursor: pointer; list-style: none; }
.account-password-summary::-webkit-details-marker { display: none; }
.account-password-summary:focus-visible { outline: 2px solid var(--wechat-bind-gold); outline-offset: -3px; border-radius: 14px; }
.account-password-title { font-size: 15px; font-weight: 500; }
.account-password-caption { font-size: 12.5px; color: var(--wechat-bind-faint); }
.account-password-action { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; margin-left: auto; padding: 0 14px; border: 1px solid var(--account-ai-line); border-radius: 10px; font-size: 14px; }
.account-password-action::after { content: "⌄"; margin-left: 10px; color: var(--wechat-bind-gold-soft); transition: transform 120ms var(--wechat-bind-ease); }
.account-password-section[open] .account-password-action::after { transform: rotate(180deg); }
.account-settings-form { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; padding: 0 16px 16px; }
.account-settings-form .account-settings-status,.account-settings-form .account-password-help { grid-column: 1/-1; }
.account-settings-form #accountSettingsSubmit { grid-column: 3; }
.account-settings-field { display: grid; gap: 7px; min-width: 0; color: var(--wechat-bind-muted); font-size: 13px; }
.account-settings-input { width: 100%; min-width: 0; height: var(--wechat-bind-control-height); padding: 0 10px; border: 1px solid var(--wechat-bind-line); border-radius: 10px; background: var(--account-ai-input); color: var(--wechat-bind-text); font: inherit; }
.account-settings-input::placeholder { color: var(--wechat-bind-faint); }
.account-settings-modal .wechat-bind-button { min-height: var(--wechat-bind-control-height); padding: 0 12px; border-radius: 10px; font: inherit; font-size: 14px; white-space: nowrap; transition: opacity 120ms var(--wechat-bind-ease); }
.account-settings-modal .wechat-bind-button:hover { opacity: .8; }
.account-settings-modal [hidden], #accountUsernameField[hidden] { display: none; }
.account-password-control { position: relative; }
.account-password-control .account-settings-input { padding-right: 60px; }
.account-password-toggle { position: absolute; top: 0; right: 0; min-width: 54px; min-height: 44px; padding: 0 8px; border: 0; border-radius: 10px; background: transparent; color: var(--wechat-bind-gold-soft); cursor: pointer; font: inherit; font-size: 12.5px; }
.account-password-toggle:focus-visible { outline: 2px solid var(--wechat-bind-gold); outline-offset: -2px; }
.account-settings-status { min-width: 0; margin: 0; color: var(--wechat-bind-muted); font-size: 13px; overflow-wrap: anywhere; }
.account-settings-status:empty { display: none; }
.account-password-help { margin: 0; color: var(--wechat-bind-faint); font-size: 12px; line-height: 1.6; }
.account-settings-trigger { font-size: 14px; font-weight: 500; }

@keyframes wechat-bind-spin { to { transform: rotate(360deg); } }
@keyframes account-ai-orbit { to { transform: rotate(360deg); } }

@media (max-width: 1199px) {
  .account-settings-overlay { --account-ai-core-width: 138px; --account-ai-padding: 14px; }
  .account-ai-sphere { width: 82px; height: 82px; }
  .account-ai-core-caption { font-size: 11px; }
  .account-ai-identity { grid-template-columns: minmax(0,1fr) 280px; padding: 12px; gap: 12px; }
  .account-membership-card { gap: 7px; padding-left: 12px; }
  .account-ai-connections { grid-template-columns: 230px minmax(0,1fr); padding: 12px; gap: 12px; }
  .account-security-center { padding-left: 12px; }
  #accountSecurityBindPanel { grid-column: 1/-1; grid-row: 2; }
  .account-security-center:has(#accountSecurityBindPanel:not([hidden])) > .account-security-summary { display: block; }
}
@media (max-width: 900px) {
  .account-ai-body { grid-template-columns: 1fr; }
  .account-ai-core { display: none; }
  .account-ai-identity { grid-template-columns: minmax(0,1fr) 280px; }
}
@media (max-width: 700px) {
  .account-settings-overlay { padding: 12px; --account-ai-padding: 12px; }
  .account-settings-modal { width: 100%; max-height: calc(100dvh - 24px); border-radius: 18px; }
  .account-ai-header { min-height: 86px; padding: 16px; gap: 10px; }
  .account-ai-mark { width: 36px; height: 36px; border-radius: 10px; font-size: 14px; }
  .account-ai-heading .wechat-bind-title { font-size: 19px; }
  .account-ai-subtitle { font-size: 11px; }
  .account-settings-name { display: none; }
  .account-ai-header .wechat-bind-close { margin-left: auto; }
  .account-ai-identity { grid-template-columns: 1fr; padding: 14px; }
  .account-profile-center { grid-template-columns: auto minmax(0,1fr); }
  .account-profile-submit { grid-column: 1/-1; }
  #accountUsernameField { grid-row: auto; grid-column: 1/-1; }
  .account-membership-card { grid-template-columns: auto minmax(0,1fr) auto; border-left: 0; border-top: 1px solid var(--account-ai-line); padding: 12px 0 0; }
  .account-membership-plan,.account-membership-remaining { font-size: 12.5px; }
  .account-membership-cycle,.account-membership-expiry { font-size: 11px; }
  .account-ai-connections { grid-template-columns: 1fr; padding: 14px; }
  .account-wechat-center { grid-template-columns: 28px minmax(0,1fr) auto; }
  .account-security-center { border-left: 0; border-top: 1px solid var(--account-ai-line); padding: 12px 0 0; }
  #accountSecurityBindPanel { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  #accountSecurityBindPanel .wechat-bind-button { font-size: 14px; }
  #accountSecurityChangePanel { grid-template-columns: 1fr; }
  #accountSecurityChangePanel .account-security-help { grid-column: auto; }
  .account-password-caption { display: none; }
  .account-password-summary { padding: 10px 14px; }
  .account-settings-form { grid-template-columns: 1fr; }
  .account-settings-form #accountSettingsSubmit { grid-column: 1; }
}
@media (max-width: 390px) {
  :root { --wechat-bind-qr-size: 226px; }
  .wechat-bind-modal:not(.account-settings-modal) { padding: 24px 20px; }
  .user-status .account-settings-trigger { display: inline-flex; min-width: 44px; max-width: none; padding: 0 8px; font-size: 0; }
  .account-settings-trigger::after { margin-left: 0; content: "账号"; font-size: 12px; }
  .wechat-bind-trigger { padding: 0 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .wechat-bind-overlay,.wechat-bind-modal,.account-password-action::after,.account-settings-modal .wechat-bind-button { transition: none; }
  .wechat-bind-qr:empty::after,.account-ai-sphere::before { animation: none; }
}