html, body { font-family: var(--font-sans); background: var(--canvas); color: var(--ink-900); }
#app { width: 100%; max-width: none; background: var(--canvas); box-shadow: none; }
.header { z-index: 200; min-height: 72px; padding: 14px max(22px, calc((100vw - 960px) / 2 + 22px)); border-color: var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header h1 { color: var(--ink-950); font-size: 19px; font-weight: 680; }
.form-description { color: var(--ink-500); }
.management-entry { border: 0; padding: 7px 9px; background: transparent; color: var(--ink-600); transition: color var(--motion-fast), background var(--motion-fast); }
.management-entry:hover { background: var(--surface-subtle); color: var(--primary); }
.management-entry span { display: none; }
.form-steps { position: sticky; top: 72px; z-index: 190; padding: 13px max(40px, calc((100vw - 960px) / 2 + 40px)); border-color: var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.form-steps li, .form-steps li span { transition: color var(--motion-fast), background var(--motion-fast), border-color var(--motion-fast), transform var(--motion-fast); }
.form-steps li.active { color: var(--primary); }
.form-steps li.active span { background: var(--primary); transform: scale(1.04); }
.form-steps li.complete span { background: var(--success-soft); color: var(--success); }
#form-section { width: min(100%, 960px); margin: 0 auto; padding: 18px; border: 0; background: var(--canvas); }
#form-section.has-following-result { padding-bottom: 0; }
#form-section.has-following-result .form-group:last-child { margin-bottom: 0; }
#form-section > .section-title { margin: 0 0 14px; padding: 0 2px; font-size: 18px; }
.form-group { margin-bottom: 14px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); animation: form-group-in var(--motion-normal) var(--ease-out); }
.form-group:nth-of-type(2) { animation-delay: 35ms; }
.form-group:nth-of-type(3) { animation-delay: 70ms; }
@keyframes form-group-in { from { opacity: 0; transform: translateY(4px); } }
.form-group > h3, .group-heading h3 { margin: 0 0 16px; color: var(--ink-900); font-size: 15px; font-weight: 650; }
.group-heading { display: flex; justify-content: space-between; align-items: center; }
.field { margin-bottom: 17px; }
.field:last-child { margin-bottom: 0; }
.field label { color: var(--ink-700); font-size: 13px; font-weight: 570; }
input[type=text], input[type=password], input[type=date], input[type=number], input[type=search], select, textarea,
.multi-select-toggle, .account-toggle, .related-toggle { min-height: 42px; border-color: var(--line-strong); border-radius: 8px; color: var(--ink-800); transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast); }
input:focus, select:focus, textarea:focus, .multi-select-toggle:focus-visible, .account-toggle:focus-visible, .related-toggle:focus-visible { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49,91,214,.1); outline: none; }
.hint, .account-field-hint { color: var(--ink-500); line-height: 1.55; }
.detail-card, .account-card { border-color: var(--line); border-radius: 10px; background: var(--surface-subtle); }
.btn-add { min-height: 40px; border: 1px dashed #aebbd6; border-radius: 8px; background: #f8faff; color: var(--primary); }
.actions { position: fixed; z-index: 12; left: 0; bottom: 0; display: grid; grid-template-columns: minmax(0,924px); justify-content: center; gap: 6px; width: 100%; padding: 12px 18px max(12px,env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); box-shadow: 0 -8px 28px rgba(17,24,39,.06); }
.actions > * { width: 100%; min-width: 0; margin: 0; flex: none; }
.actions > .hidden { display: none; }
.btn-primary { min-height: 46px; border-radius: 9px; background: var(--primary); transition: background var(--motion-fast), transform var(--motion-fast), opacity var(--motion-fast); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .6; }
#precheck-section, #result-section { width: min(calc(100% - 36px), 924px); margin: 14px auto 0; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); animation: result-in var(--motion-normal) var(--ease-out); }
body { padding-bottom: 82px; }
body.submission-complete { padding-bottom: 18px; }
@keyframes result-in { from { opacity: 0; transform: translateY(4px); } }
.precheck-loading { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 9px; background: var(--primary-soft); color: var(--primary); }
.precheck-loading .spinner { width: 20px; height: 20px; margin: 0; border-width: 2px; }
.issue-group { border-radius: 9px; }
.issue-item:is(button) { display: block; width: 100%; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.issue-item:is(button)::after { content: "定位"; float: right; color: var(--primary); font-size: 11px; }
.field-has-error { scroll-margin-top: 150px; }
.field-error-inline { color: var(--danger); }
.toast { bottom: 82px; border-radius: 9px; background: var(--ink-900); box-shadow: var(--shadow-md); opacity: 1; transform: translate(-50%,0); transition: opacity var(--motion-fast), transform var(--motion-fast); }
.toast.hidden { display: block; opacity: 0; transform: translate(-50%,8px); }
.toast.toast-error { background: var(--danger); }
.account-modal-overlay, .preview-overlay, .multi-select-backdrop:not(.hidden) { animation: overlay-in var(--motion-fast) both; }
.account-modal-panel, .preview-panel, .multi-select-menu { animation: sheet-in var(--motion-drawer) var(--ease-out) both; }
@keyframes overlay-in { from { opacity: 0; } }
@keyframes sheet-in { from { opacity: .7; transform: translateY(14px); } }
.account-modal-panel { border-radius: 14px; box-shadow: var(--shadow-md); }
.account-modal-confirm { background: var(--primary); }
.center-screen .auth-error-detail { display: none; }

@media (max-width: 560px) {
  #app { max-width: none; }
  .header { min-height: 66px; padding: 12px 15px; }
  .form-steps { top: 66px; padding: 12px 10px; }
  #form-section { padding: 14px 10px; }
  #form-section.has-following-result { padding-bottom: 0; }
  .form-group { padding: 15px 13px; }
  #precheck-section, #result-section { width: calc(100% - 20px); margin-left: 10px; margin-right: 10px; }
  .actions { padding-left: 10px; padding-right: 10px; }
  .user-name { display: none; }
}

/* 纯预检态（原生交接）：预检后的动作按钮行内排布；隐藏固定底栏后补底部留白。 */
.precheck-next-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
body.precheck-final { padding-bottom: 24px; }