:root{--pc-color-primary:#6d4aff;--pc-color-primary-hover:#5b3ae0;--pc-color-primary-active:#4a2dc2;--pc-color-primary-soft:#efe9ff;--pc-color-bg:#fff;--pc-color-bg-muted:#f7f8fb;--pc-color-surface:#fff;--pc-color-border:#e3e5ee;--pc-color-border-strong:#c8ccd9;--pc-color-text:#0f172a;--pc-color-text-muted:#5a6275;--pc-color-text-on-primary:#fff;--pc-color-success:#15a36a;--pc-color-warning:#c68a12;--pc-color-error:#d04444;--pc-radius-sm:6px;--pc-radius-md:10px;--pc-radius-lg:16px;--pc-shadow-sm:0 1px 2px rgba(15,23,42,.06);--pc-shadow-md:0 6px 18px rgba(15,23,42,.08);--pc-font:"Inter",system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--pc-page-max-width:420px}*{box-sizing:border-box}body,html{padding:0;margin:0;font-family:var(--pc-font);background:var(--pc-color-bg-muted);color:var(--pc-color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.5}a{color:var(--pc-color-primary);text-decoration:none}a:hover{text-decoration:underline}.pc-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px}.pc-card{background:var(--pc-color-surface);border:1px solid var(--pc-color-border);border-radius:var(--pc-radius-lg);box-shadow:var(--pc-shadow-md);width:100%;max-width:var(--pc-page-max-width);padding:36px 32px 28px}.pc-card__header{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:24px}.pc-card__title{font-size:22px;font-weight:700;color:var(--pc-color-text);margin:8px 0 0;text-align:center}.pc-card__subtitle{color:var(--pc-color-text-muted);font-size:14px;text-align:center;margin:0}.pc-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.pc-field__label{font-size:13px;font-weight:600;color:var(--pc-color-text)}.pc-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;padding:11px 12px;border:1px solid var(--pc-color-border-strong);border-radius:var(--pc-radius-sm);font-size:15px;color:var(--pc-color-text);background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.pc-input:focus{outline:none;border-color:var(--pc-color-primary);box-shadow:0 0 0 3px var(--pc-color-primary-soft)}.pc-button{display:inline-flex;justify-content:center;align-items:center;width:100%;height:44px;padding:0 16px;border-radius:var(--pc-radius-sm);border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:background .15s ease,transform .05s ease}.pc-button--primary{background:var(--pc-color-primary);color:var(--pc-color-text-on-primary)}.pc-button--primary:hover{background:var(--pc-color-primary-hover)}.pc-button--primary:active{background:var(--pc-color-primary-active)}.pc-button--primary:disabled{opacity:.6;cursor:not-allowed}.pc-button--ghost{background:transparent;border-color:var(--pc-color-border-strong);color:var(--pc-color-text)}.pc-button--ghost:hover{background:var(--pc-color-bg-muted)}.pc-link{font-weight:600}.pc-error{background:#fdebeb;border:1px solid #f6c5c5;color:var(--pc-color-error);border-radius:var(--pc-radius-sm)}.pc-error,.pc-success{padding:10px 12px;font-size:13px;margin-bottom:12px}.pc-success{background:#e8f7f0;border:1px solid #bfe6d2;color:var(--pc-color-success);border-radius:var(--pc-radius-sm)}.pc-footer{margin-top:18px;display:flex;justify-content:space-between;align-items:center}.pc-footer,.pc-locale-switcher{font-size:12px;color:var(--pc-color-text-muted)}.pc-locale-switcher{display:inline-flex;gap:4px}.pc-locale-switcher a{color:var(--pc-color-text-muted)}.pc-locale-switcher a[aria-current=true]{color:var(--pc-color-primary);font-weight:600}.pc-spinner{width:16px;height:16px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;animation:pc-spin .8s linear infinite}@keyframes pc-spin{to{transform:rotate(1turn)}}.pc-hint{font-size:12px;color:var(--pc-color-text-muted);margin-top:4px}.pc-tabs{display:flex;gap:4px;margin-bottom:20px;padding:4px;background:var(--pc-color-bg-muted);border-radius:var(--pc-radius-md);border:1px solid var(--pc-color-border)}.pc-tab{flex:1 1;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;padding:9px 12px;font-size:13px;font-weight:600;color:var(--pc-color-text-muted);cursor:pointer;border-radius:var(--pc-radius-sm);transition:background .15s ease,color .15s ease}.pc-tab--active,.pc-tab:hover:not(.pc-tab--active){color:var(--pc-color-text)}.pc-tab--active{background:var(--pc-color-surface);box-shadow:var(--pc-shadow-sm)}.pc-tab:focus-visible{outline:2px solid var(--pc-color-primary);outline-offset:2px}.pc-field__meta{display:flex;justify-content:flex-end;margin-top:4px}.pc-field__meta .pc-link{font-size:12px;font-weight:500}.pc-forgot-panel{padding:4px 0 8px}.pc-forgot-panel__body{font-size:14px;color:var(--pc-color-text);line-height:1.6;margin:0}.pc-forgot-panel a.pc-link{font-size:14px}.pc-input-group{position:relative;display:block}.pc-input-group .pc-input--with-action{padding-right:44px}.pc-input-group__action{position:absolute;top:50%;right:6px;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;margin:0;background:transparent;border:none;border-radius:var(--pc-radius-sm);color:var(--pc-color-text-muted);cursor:pointer;transition:background .15s ease,color .15s ease}.pc-input-group__action:hover{background:var(--pc-color-bg-muted);color:var(--pc-color-text)}.pc-input-group__action:focus-visible{outline:2px solid var(--pc-color-primary);outline-offset:2px}.pc-input-group__action[aria-pressed=true]{color:var(--pc-color-primary)}