body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    background: #13203a;
    color: #fff;
    padding: 6px 28px;
}

.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
}

.header-logo {
    height: 34px;
    width: auto;
    flex-shrink: 0;
}

.header-text {
    text-align: center;
}

.header-version {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    white-space: nowrap;
    line-height: 1.2;
}

.header-version-label {
    font-size: 0.68rem;
    font-weight: 400;
    color: rgba(255,255,255,0.40);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1px;
}

.header-version-number {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: rgba(255,255,255,0.90);
    line-height: 1;
}

header h1 {
    background-color: rgba(255, 255, 255, 0.10);
    color: #fff;
    display: inline-block;
    padding: 3px 12px;
    border-radius: 6px;
    margin: 0 0 2px 0;
    font-size: 1rem;
}

header p {
    margin: 0;
    opacity: 0.80;
    font-size: 0.82rem;
}

.container {
    max-width: 920px;
    margin: 24px auto;
    background: #fff;
    padding: 22px;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

h1,
h2 {
    color: #0b62c1;
}

h2 {
    margin-top: 20px;
    font-size: 1.3rem;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 10px;
}

a {
    color: #0b62c1;
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:hover {
    text-decoration: none;
}

footer {
    text-align: center;
    padding: 16px;
    background: #0b62c1;
    color: #fff;
    margin-top: 24px;
}

:focus-visible {
    outline: 3px solid #0078d7;
    outline-offset: 2px;
}

.version-section {
    background: #f9fbff;
    border-left: 4px solid #0b62c1;
    border-radius: 10px;
    padding: 16px 18px;
    margin: 20px 0;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.version-header h2 {
    margin: 0;
}

.version-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-chip {
    font-size: 0.78rem;
    padding: 4px 8px;
    border-radius: 999px;
    background: #e6f0ff;
    color: #0b62c1;
    font-weight: 600;
    white-space: nowrap;
}

.tag-chip--primary {
    background: #0b62c1;
    color: #fff;
}

.tag-chip--accent {
    background: #ffe9c7;
    color: #b35a00;
}

.tag-chip--testing {
    border: 1px solid rgba(11, 98, 193, 0.35);
}

.version-section ul {
    margin-top: 6px;
    margin-bottom: 6px;
}

.version-section ul li {
    margin-bottom: 6px;
}