:root {
  --page: #dfe3e6;
  --surface: #f5f6f7;
  --surface-2: #eceff1;
  --surface-3: #e5e9eb;
  --ink: #171a1d;
  --muted: #616971;
  --line: #b8bfc4;
  --line-strong: #2b3136;
  --accent: #153846;
  --ok: #2a6a4a;
  --warn: #9a6a1c;
  --bad: #97352c;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  color: inherit;
  font: inherit;
}

.account-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 38px minmax(0, 1fr) 26px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.account-topbar,
.account-status {
  display: flex;
  align-items: center;
  padding: 0 12px;
}

.account-topbar {
  justify-content: space-between;
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
}

.account-topbar strong {
  font-size: 13px;
}

.account-topbar nav {
  display: flex;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
}

.account-topbar a {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.account-page {
  display: grid;
  place-items: center;
  padding: 28px 12px;
}

.account-panel {
  width: min(920px, 100%);
  border: 1px solid var(--line-strong);
  background: #fff;
}

.account-panel-head {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-3);
}

.account-panel-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.account-panel-head h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.account-panel-head p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.account-form,
.account-grid,
.bind-grid {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.account-form {
  max-width: 520px;
}

.field-control {
  display: grid;
  gap: 6px;
}

.field-control span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.field-control input {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  outline: 0;
  background: #fff;
}

.field-control input:focus {
  border-color: var(--line-strong);
}

.primary-action,
.secondary-action {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.secondary-action {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.skip-bind-action {
  width: 100%;
  min-height: 46px;
  font-size: 15px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.notice {
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.notice.is-bad {
  border-color: var(--bad);
  color: var(--bad);
  background: #fff7f6;
}

.notice.is-ok {
  border-color: var(--ok);
  color: var(--ok);
  background: #f5fbf7;
}

.bind-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bind-card,
.profile-row {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.bind-card strong,
.profile-row strong {
  font-size: 16px;
}

.bind-card p,
.profile-row span {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
}

.markdown-panel {
  width: min(980px, 100%);
  overflow: hidden;
}

.account-panel.markdown-panel .markdown-body {
  padding: 34px 42px 38px;
  line-height: 1.8;
}

.markdown-body > * {
  max-width: 820px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin: 22px 0 10px;
  line-height: 1.25;
}

.markdown-body h1:first-child,
.markdown-body h2:first-child,
.markdown-body h3:first-child {
  margin-top: 0;
}

.markdown-body h1 {
  font-size: 26px;
}

.markdown-body h2 {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 20px;
}

.markdown-body h3 {
  font-size: 16px;
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.markdown-body p {
  margin: 0 0 12px;
}

.markdown-body ul {
  margin: 0 0 14px;
  padding-left: 22px;
}

.markdown-body li {
  margin: 6px 0;
}

.markdown-body blockquote {
  margin: 14px 0;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.markdown-body code {
  padding: 1px 5px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: Consolas, "Microsoft YaHei UI", monospace;
  font-size: 12px;
}

.markdown-body pre {
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--line);
  background: #10181d;
}

.markdown-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: #d7e2e7;
}

.account-status {
  gap: 18px;
  border-top: 1px solid var(--line-strong);
  background: var(--accent);
  color: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 700;
  overflow: hidden;
  white-space: nowrap;
}

@media (max-width: 760px) {
  .account-shell {
    grid-template-rows: 44px minmax(0, 1fr) 28px;
  }

  .bind-grid {
    grid-template-columns: 1fr;
  }

  .account-panel.markdown-panel .markdown-body {
    padding: 22px 18px 26px;
  }

  .account-topbar {
    align-items: flex-start;
    flex-direction: column;
    height: auto;
    gap: 8px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
}