*,:before,:after{box-sizing:border-box}:root{--font-sans:"Inter", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--text:#111827;--text-muted:#6b7280;--surface:#fff;--page-bg:#f4f5f7;--border-subtle:#e5e7eb;--accent:#1d4ed8;--accent-soft:#eff6ff;--nav-border:#e5e7eb;--pub-nav-height:58px;--pub-nav-name-size:19px;--pub-nav-sub-size:14px;--pub-nav-link-size:16px;--content-max:1200px;--pub-content-pad-x:clamp(12px, 3vw, 20px);--pub-content-pad-top:10px;--pub-content-pad-bottom:calc(28px + var(--safe-bottom));--pub-content-pad-bottom-lg:10px;--safe-bottom:env(safe-area-inset-bottom,0px);--el-color-primary:#1d4ed8;--el-color-primary-light-3:#3b82f6;--el-color-primary-light-5:#60a5fa;--el-color-primary-light-7:#93c5fd;--el-color-primary-light-8:#bfdbfe;--el-color-primary-light-9:#dbeafe;--el-color-primary-dark-2:#1e40af;--fs-micro:12px;--fs-caption:13px;--fs-small:14px;--fs-body:16px;--fs-lead:17px;--fs-title-sm:18px;--fs-title:20px;--fs-title-lg:22px;--el-font-size-extra-large:24px;--el-font-size-large:22px;--el-font-size-medium:18px;--el-font-size-base:16px;--el-font-size-small:15px;--el-font-size-extra-small:14px;--el-font-line-height-primary:26px;font-family:var(--font-sans);font-size:var(--fs-body);color:var(--text);background:var(--page-bg)}@media (width<=900px){:root{--pub-content-pad-x:12px;--pub-content-pad-top:12px;--pub-nav-height:62px;--pub-nav-name-size:20px;--pub-nav-sub-size:15px;--pub-nav-link-size:17px;--fs-micro:13px;--fs-caption:14px;--fs-small:15px;--fs-body:17px;--fs-lead:18px;--fs-title-sm:19px;--fs-title:21px;--fs-title-lg:23px;--el-font-size-extra-large:25px;--el-font-size-large:23px;--el-font-size-medium:19px;--el-font-size-base:17px;--el-font-size-small:16px;--el-font-size-extra-small:15px;--el-font-line-height-primary:27px}}@media (width>=901px) and (width<=1180px){:root{--pub-content-pad-x:10px}}.public-main-shell{box-sizing:border-box;width:100%;max-width:var(--content-max,1200px);padding:var(--pub-content-pad-top) var(--pub-content-pad-x) var(--pub-content-pad-bottom);margin-left:auto;margin-right:auto}@media (width>=901px){.public-main-shell{padding-bottom:var(--pub-content-pad-bottom-lg,10px)}}body{font-size:var(--fs-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.55}@media (width<=900px){body{-webkit-text-size-adjust:100%}}a{color:inherit;text-decoration:none}.page{max-width:1180px;margin:0 auto;padding:20px 18px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.auth-shell{background:var(--page-bg);justify-content:center;align-items:center;min-height:100vh;padding:28px 16px;display:flex}.auth-card.el-card{border:1px solid var(--border-subtle);border-radius:14px;width:min(440px,100%);box-shadow:0 8px 32px #0f172a14}.auth-card.el-card .el-card__body{padding:28px 28px 24px}.auth-card__title{font-size:var(--fs-title-lg);color:var(--text);letter-spacing:-.03em;margin:0 0 6px;font-weight:700;line-height:1.25}.auth-card__lead{font-size:var(--fs-small);color:var(--text-muted);margin:0 0 22px;line-height:1.55}.auth-form.el-form .el-form-item{margin-bottom:20px}.auth-form.el-form .el-form-item__label{color:#374151;font-weight:500}.auth-form.el-form--label-top .el-form-item__label{margin-bottom:6px;line-height:1.35}.auth-form .el-input__wrapper{border-radius:10px}.auth-form .el-input,.auth-form .el-textarea{width:100%}.auth-captcha{flex-direction:column;gap:10px;width:100%;display:flex}.auth-captcha__q{font-size:var(--fs-body);color:#0f172a;letter-spacing:.02em;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:10px 14px;font-weight:600}.auth-captcha__row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.auth-captcha__row>.el-input{flex:1;min-width:140px}.auth-actions{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.auth-actions .el-button+.el-button{margin-left:0}.auth-alert{margin-top:22px}