html[data-i18n-ready="false"] body {
    visibility: hidden;
}

html[data-i18n-ready="true"] body {
    visibility: visible;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top, #eef7ff 0, #f7fbff 40%, #ffffff 100%);
    color: #102033;
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-bar {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.lang-btn {
    border: 1px solid rgba(60, 130, 210, 0.2);
    background: rgba(255, 255, 255, 0.82);
    color: #31506f;
    border-radius: 999px;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(30, 86, 140, 0.08);
}

    .lang-btn.active {
        color: #fff;
        border-color: transparent;
        background: linear-gradient(135deg, #1578ff, #22b8cf);
    }

.select-page {
    width: min(920px, calc(100% - 32px));
    text-align: center;
    padding: 56px 32px;
}

.logo {
    width: 88px;
    height: 88px;
    margin: 0 auto 24px;
    background: url("/static/assets/cellatopia.png") center / contain no-repeat;
}

h1 {
    margin: 0;
    font-size: clamp(32px, 5vw, 52px);
    letter-spacing: 0.04em;
}

.subtitle {
    margin: 16px auto 48px;
    max-width: 640px;
    color: #5f7188;
    font-size: 18px;
    line-height: 1.7;
}

.actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.choice-card {
    display: block;
    padding: 36px 28px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(60, 130, 210, 0.16);
    box-shadow: 0 24px 64px rgba(30, 86, 140, 0.12);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

    .choice-card:hover {
        transform: translateY(-6px);
        border-color: rgba(50, 130, 220, 0.42);
        box-shadow: 0 30px 80px rgba(30, 86, 140, 0.18);
    }

.choice-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
}

.choice-desc {
    color: #6b7c90;
    line-height: 1.6;
}

.choice-button {
    margin-top: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    height: 48px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, #1578ff, #22b8cf);
    font-weight: 700;
}

@media (max-width: 720px) {
    .language-bar {
        top: 16px;
        right: 16px;
    }

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

    .select-page {
        padding: 72px 16px 40px;
    }
}

.footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 18px;
    text-align: center;
    color: #7a8ba0;
    font-size: 13px;
    letter-spacing: 0.02em;
}

@media (max-width: 720px) {
    .footer {
        position: static;
        margin: 24px 0 18px;
    }
}

.footer-more {
    margin-bottom: 6px;
    font-size: 13px;
    color: #7a8ba0;
}

    .footer-more a {
        color: #1578ff;
        text-decoration: none;
        font-weight: 700;
    }

        .footer-more a:hover {
            text-decoration: underline;
        }

.lang-btn {
    min-width: 92px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}