:root {
    --bg: #FFF5E4;
    --surface: #FFFFFF;
    --text: #2C2C2E;
    --secondary: #636366;
    --accent: #9C8FFF;
    --accent-dark: #7A6FD6;
    --border: #EDE6D6;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1C1C1E;
        --surface: #2C2C2E;
        --text: #F2F2F7;
        --secondary: #AEAEB2;
        --accent: #B5A9FF;
        --accent-dark: #9C8FFF;
        --border: #3A3A3C;
    }
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--accent-dark);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 20px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
}
.brand {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
}
.brand small {
    color: var(--secondary);
    font-weight: 500;
    margin-left: 8px;
    font-size: 0.85rem;
}
.nav {
    display: flex;
    gap: 16px;
    font-size: 0.95rem;
}
.nav a {
    color: var(--secondary);
    font-weight: 500;
}
.nav a.active {
    color: var(--accent-dark);
}
.hero {
    text-align: center;
    padding: 32px 16px 24px;
    margin-bottom: 24px;
}
.logo-placeholder {
    width: 88px;
    height: 88px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 2.4rem;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(122, 111, 214, 0.25);
}
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}
.tagline {
    font-size: 1.05rem;
    color: var(--secondary);
    margin: 0;
    line-height: 1.6;
}
.meta {
    color: var(--secondary);
    font-size: 0.95rem;
    margin: 0;
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 20px;
}
.card h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
}
.card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 20px 0 6px;
}
.card p {
    margin: 0 0 12px;
}
.card ul {
    margin: 0 0 12px;
    padding-left: 22px;
}
.card li {
    margin-bottom: 8px;
}
.card strong {
    font-weight: 600;
}
.card code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}
.lang-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 10px;
}
.faq dt {
    font-weight: 600;
    margin-top: 14px;
    margin-bottom: 4px;
}
.faq dd {
    margin: 0 0 4px;
    color: var(--text);
}
.mail-link {
    display: inline-block;
    margin-top: 4px;
    padding: 10px 18px;
    background: var(--accent);
    color: #FFFFFF;
    border-radius: 10px;
    font-weight: 600;
}
.mail-link:hover {
    text-decoration: none;
    background: var(--accent-dark);
}
hr {
    border: 0;
    height: 1px;
    background: var(--border);
    margin: 28px 0;
}
.site-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--secondary);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}
.lang-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--secondary);
    letter-spacing: 0.04em;
}