:root {
  color-scheme: light;
  --primary: #087a5b;
  --primary-strong: #065d46;
  --primary-soft: #e7f6f0;
  --canvas: #eef3f1;
  --surface: #fff;
  --text: #15201d;
  --muted: #64716d;
  --border: #d9e3df;
  --danger: #b4232c;
  font-family: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--text); background: radial-gradient(circle at 16% 12%, #d5f2e6 0, transparent 31%), var(--canvas); }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(8,122,91,.24); outline-offset: 2px; }
.signup-shell { width: min(1120px, calc(100% - 32px)); min-height: 100vh; margin: 0 auto; padding: 48px 0; display: grid; grid-template-columns: minmax(280px, .82fr) minmax(520px, 1.18fr); align-items: center; gap: 64px; }
.intro { padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 54px; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; color: #073d2d; background: linear-gradient(145deg, #a1f0d1, #5bd4a7); border-radius: 11px; font-weight: 900; box-shadow: 0 10px 28px rgba(8,122,91,.18); }
.brand img.brand-mark { display: block; object-fit: contain; padding: 0; background: transparent; }
.brand strong { font-size: 17px; }
.eyebrow { margin: 0; color: var(--primary); font-size: 11px; font-weight: 900; letter-spacing: .11em; }
h1 { max-width: 480px; margin: 10px 0 14px; font-size: clamp(34px, 4.5vw, 52px); line-height: 1.1; letter-spacing: -.035em; }
h2 { margin: 6px 0 4px; font-size: 25px; }
.lead { max-width: 520px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.steps { list-style: none; margin: 34px 0; padding: 0; display: grid; gap: 18px; }
.steps li { display: flex; align-items: center; gap: 13px; }
.steps li > span { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; color: var(--primary); background: var(--primary-soft); border: 1px solid rgba(8,122,91,.16); border-radius: 50%; font-size: 12px; font-weight: 900; }
.steps strong, .steps small { display: block; }
.steps strong { font-size: 14px; }
.steps small { margin-top: 3px; color: var(--muted); }
.privacy-note { max-width: 500px; padding: 13px 15px; color: var(--primary-strong); background: rgba(231,246,240,.72); border: 1px solid rgba(8,122,91,.13); border-left-width: 3px; border-radius: 12px; box-shadow: 0 6px 18px rgba(21,55,44,.055); font-size: 12px; line-height: 1.65; }
.form-card { padding: 34px; background: rgba(255,255,255,.96); border: 1px solid rgba(217,227,223,.9); border-radius: 22px; box-shadow: 0 26px 70px rgba(21,55,44,.12); }
.portal-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 30px; padding: 4px; background: #edf3f0; border: 1px solid var(--border); border-radius: 14px; }
.portal-tab { min-height: 42px; padding: 9px 12px; color: var(--muted); background: transparent; border: 0; border-radius: 11px; font-weight: 900; }
.portal-tab.is-active { color: var(--primary-strong); background: #fff; box-shadow: 0 4px 14px rgba(21,55,44,.1); }
.form-description { margin: 8px 0 24px; color: var(--muted); font-size: 12px; }
.form-description span { color: var(--danger); }
form { display: grid; grid-template-columns: 1fr 1fr; column-gap: 15px; }
.single-column-form { grid-template-columns: 1fr; }
label { display: grid; gap: 7px; margin: 9px 0; color: var(--muted); font-size: 12px; font-weight: 700; }
label small { color: var(--muted); font-size: 10px; font-weight: 500; }
.wide { grid-column: span 2; }
input { width: 100%; padding: 12px 13px; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 11px; box-shadow: inset 0 1px 2px rgba(21,55,44,.035); }
input:focus { border-color: var(--primary); }
.login-type-fieldset { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 9px 0; padding: 0; border: 0; }
.login-type-fieldset legend { margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.login-type-fieldset label { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; margin: 0; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 11px; cursor: pointer; }
.login-type-fieldset label:has(input:checked) { color: var(--primary-strong); background: var(--primary-soft); border-color: var(--primary); }
.login-type-fieldset input { width: 16px; height: 16px; margin: 0; accent-color: var(--primary); }
.password-field { position: relative; }
.password-field input { padding-right: 62px; }
.password-field button { position: absolute; top: 5px; right: 5px; height: calc(100% - 10px); padding: 0 11px; color: var(--primary); background: transparent; border: 0; font-size: 11px; font-weight: 800; }
.password-hint { margin: -1px 0 7px; color: var(--muted); font-size: 11px; }
.consent { display: flex; align-items: flex-start; grid-template-columns: auto 1fr; gap: 9px; margin-top: 14px; line-height: 1.6; }
.consent input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--primary); }
.remember-login { display: flex; align-items: flex-start; gap: 10px; margin: 10px 0 2px; padding: 11px 12px; color: var(--text); background: var(--primary-soft); border: 1px solid rgba(8,122,91,.15); border-radius: 9px; cursor: pointer; }
.remember-login input { width: 18px; height: 18px; margin: 1px 0 0; flex: 0 0 auto; accent-color: var(--primary); }
.remember-login span, .remember-login strong, .remember-login small { display: block; }
.remember-login strong { font-size: 12px; }
.remember-login small { margin-top: 3px; line-height: 1.45; }
.form-status { min-height: 18px; margin: 5px 0 0; color: var(--primary-strong); font-size: 11px; }
.form-error { min-height: 19px; margin: 5px 0; color: var(--danger); font-size: 12px; }
.primary-button, .secondary-button { border-radius: 12px; font-weight: 900; }
.primary-button { margin-top: 5px; padding: 13px 18px; color: #fff; background: linear-gradient(135deg, #087a5b, #0b916c); border: 0; box-shadow: 0 10px 25px rgba(8,122,91,.23); }
.primary-button:disabled { cursor: wait; opacity: .62; }
.secondary-button { padding: 11px 15px; color: var(--primary); background: var(--surface); border: 1px solid var(--border); }
.web-login-button { display: block; width: 100%; margin: 20px 0 8px; padding: 13px 18px; color: #fff; background: linear-gradient(135deg, #087a5b, #0b916c); border: 0; border-radius: 12px; box-shadow: 0 10px 25px rgba(8,122,91,.23); font-weight: 900; text-decoration: none; }
.text-link { display: inline-block; margin: 8px 12px 18px; color: var(--primary); font-size: 12px; font-weight: 800; text-decoration: none; }
.last-company { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 14px; padding: 12px 14px; color: var(--primary-strong); background: var(--primary-soft); border-radius: 9px; font-size: 11px; }
.last-company strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.switch-hint { margin: 22px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.switch-hint button { padding: 3px 5px; color: var(--primary); background: transparent; border: 0; font-weight: 900; }
.success-panel { padding: 24px 10px; text-align: center; }
.success-icon { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 22px; color: #fff; background: var(--primary); border-radius: 50%; font-size: 28px; font-weight: 900; box-shadow: 0 12px 30px rgba(8,122,91,.25); }
.success-panel p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.application-number { margin: 25px 0 10px; padding: 17px; background: var(--primary-soft); border-radius: 10px; }
.application-number span, .application-number strong { display: block; }
.application-number span { color: var(--muted); font-size: 11px; }
.application-number strong { margin-top: 6px; color: var(--primary-strong); font-family: ui-monospace, Consolas, monospace; font-size: 17px; letter-spacing: .04em; word-break: break-all; }
.login-summary { display: grid; gap: 8px; margin: 22px 0 10px; text-align: left; }
.login-summary div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 14px; padding: 12px 14px; background: var(--primary-soft); border-radius: 9px; }
.login-summary dt { color: var(--muted); font-size: 11px; }
.login-summary dd { margin: 0; color: var(--primary-strong); font-size: 12px; font-weight: 900; word-break: break-all; }
.advanced-login-info { margin: 8px 0 14px; color: var(--muted); font-size: 11px; text-align: left; }
.advanced-login-info summary { width: fit-content; margin: 0 auto; padding: 5px 7px; color: var(--primary); border-radius: 6px; cursor: pointer; font-weight: 800; }
.advanced-login-info .login-summary { margin-top: 8px; }
.confirm-dialog { width: min(440px, calc(100% - 28px)); padding: 0; color: var(--text); background: transparent; border: 0; }
.confirm-dialog::backdrop { background: rgba(10,28,22,.48); backdrop-filter: blur(3px); }
.confirm-dialog-card { padding: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 28px 80px rgba(6,38,29,.3); }
.confirm-dialog-card h2 { margin-top: 8px; }
.confirm-dialog-card > p:not(.eyebrow) { margin: 10px 0 22px; color: var(--muted); font-size: 12px; line-height: 1.75; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
.danger-button { padding: 11px 15px; color: #fff; background: var(--danger); border: 1px solid var(--danger); border-radius: 9px; font-weight: 900; }
.success-tip { font-size: 12px; }
@media (max-width: 900px) {
  .signup-shell { grid-template-columns: 1fr; gap: 20px; padding: 28px 0; }
  .brand { margin-bottom: 32px; }
  .intro { padding-bottom: 0; }
  h1 { font-size: 40px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps li { align-items: flex-start; }
}
@media (max-width: 620px) {
  .signup-shell { width: min(100% - 22px, 520px); padding: 18px 0; }
  .intro { padding: 8px 5px; }
  .brand { margin-bottom: 25px; }
  .steps { grid-template-columns: 1fr; }
  .form-card { padding: 23px 18px; border-radius: 14px; }
  form { grid-template-columns: 1fr; }
  .wide { grid-column: span 1; }
  .login-summary div { grid-template-columns: 1fr; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* macOS-inspired portal layer shared with the authenticated workspaces. */
:root {
  --canvas: #f5f5f7;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --border: #d2d2d7;
  font-family: "PingFang SC", "Microsoft YaHei UI", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body {
  background:
    radial-gradient(circle at 15% 4%, rgba(8,122,91,.09), transparent 29%),
    radial-gradient(circle at 88% 12%, rgba(255,255,255,.96), transparent 35%),
    var(--canvas);
}
.signup-shell { gap: 48px; padding: 36px 0; }
.brand { margin-bottom: 42px; }
h1 { font-size: clamp(32px, 3.8vw, 44px); }
.brand-mark {
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.8);
  box-shadow: 0 12px 28px rgba(8,122,91,.14), inset 0 1px rgba(255,255,255,.62);
}
.brand strong, h1, h2 { color: var(--text); font-weight: 700; }
.eyebrow { font-weight: 700; letter-spacing: .07em; }
.steps li > span { font-weight: 700; box-shadow: inset 0 1px rgba(255,255,255,.72); }
.steps strong { font-weight: 600; }
.privacy-note { border-left-width: 1px; border-radius: 16px; box-shadow: inset 0 1px rgba(255,255,255,.72), 0 7px 20px rgba(0,0,0,.04); }
.form-card {
  padding: 30px;
  background: rgba(255,255,255,.89);
  border-color: rgba(255,255,255,.9);
  border-radius: 26px;
  box-shadow: 0 34px 90px rgba(0,0,0,.11), 0 4px 16px rgba(0,0,0,.08);
  backdrop-filter: blur(26px) saturate(1.12);
}
.portal-tabs { background: #ebebee; border-color: rgba(210,210,215,.78); border-radius: 15px; box-shadow: inset 0 1px 2px rgba(0,0,0,.035); }
.portal-tab { border-radius: 12px; font-weight: 600; }
.portal-tab.is-active { color: var(--text); background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,.09), inset 0 1px rgba(255,255,255,.88); }
label, .login-type-fieldset legend { font-weight: 600; }
input {
  background: #f1f1f3;
  border-color: rgba(210,210,215,.82);
  border-radius: 12px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.035), 0 1px rgba(255,255,255,.82);
}
input:focus { background: #fff; box-shadow: 0 0 0 3px rgba(8,122,91,.13); }
.login-type-fieldset label, .remember-login, .last-company, .application-number, .login-summary div { border-radius: 13px; }
.login-type-fieldset label { background: #f4f4f6; }
.primary-button, .secondary-button, .web-login-button, .danger-button { border-radius: 12px; font-weight: 600; }
.primary-button, .web-login-button { background: linear-gradient(180deg, #12906d, #087a5b); box-shadow: 0 8px 20px rgba(8,122,91,.18), inset 0 1px rgba(255,255,255,.2); }
.secondary-button { background: linear-gradient(180deg, #fff, #f5f5f7); box-shadow: 0 3px 9px rgba(0,0,0,.06), inset 0 1px rgba(255,255,255,.82); }
.confirm-dialog::backdrop { background: rgba(28,28,30,.34); backdrop-filter: blur(12px); }
.confirm-dialog-card { border-color: rgba(255,255,255,.8); border-radius: 24px; box-shadow: 0 36px 100px rgba(0,0,0,.24), 0 4px 16px rgba(0,0,0,.12); }
@media (max-width: 620px) { .form-card { border-radius: 20px; } }