:root {
    --group-bg: #f6f4ef;
    --group-panel: rgba(255, 255, 255, 0.9);
    --group-line: rgba(32, 32, 28, 0.1);
    --group-text: #1a1a16;
    --group-muted: #6a685f;
    --group-accent: #1f4d3d;
    --group-soft: #eef4f1;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(155, 175, 143, 0.16), transparent 32%),
        linear-gradient(180deg, #fbfaf7 0%, var(--group-bg) 100%);
    color: var(--group-text);
    font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

button {
    font: inherit;
}

.group-desktop-shell {
    width: min(980px, calc(100vw - 32px));
    margin: 28px auto;
    padding: 22px 22px 28px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    background: var(--group-panel);
    box-shadow: 0 18px 50px rgba(50, 43, 22, 0.08);
    backdrop-filter: blur(10px);
}

.group-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 13px;
}

.group-topbar-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.group-back,
.group-auth-entry {
    color: var(--group-accent);
}

.group-hero {
    padding: 8px 0 20px;
    border-bottom: 1px solid var(--group-line);
}

.group-hero__eyebrow {
    margin: 0 0 8px;
    color: #7b7a72;
    font-size: 12px;
    letter-spacing: 0.24em;
}

.group-hero__title {
    margin: 0;
    font-size: 30px;
    line-height: 1.2;
}

.group-hero__desc {
    margin: 12px 0 0;
    color: var(--group-muted);
    font-size: 14px;
    line-height: 1.8;
}

.group-list {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

.group-card {
    padding: 18px;
    border: 1px solid var(--group-line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
}

.group-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.group-card__platform {
    margin: 0 0 6px;
    color: #7b7a72;
    font-size: 12px;
    letter-spacing: 0.08em;
}

.group-card__title {
    margin: 0;
    font-size: 22px;
    line-height: 1.35;
}

.group-card__badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: #f5efe1;
    color: #9a6700;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.group-card__meta {
    margin-top: 12px;
    color: var(--group-accent);
    font-size: 14px;
    line-height: 1.7;
    word-break: break-all;
}

.group-card__desc {
    margin: 10px 0 0;
    color: var(--group-muted);
    font-size: 14px;
    line-height: 1.8;
}

.group-card__footer {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}

.group-card__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--group-accent);
    color: #ffffff;
    cursor: pointer;
}

.group-card__action--ghost {
    border-color: rgba(31, 77, 61, 0.16);
    background: var(--group-soft);
    color: var(--group-accent);
}

.group-card__placeholder {
    color: #98a2b3;
    font-size: 13px;
}

.group-card--locked .group-card__meta {
    color: #98a2b3;
}

.group-empty {
    margin-top: 22px;
    padding: 48px 20px;
    border: 1px dashed rgba(31, 77, 61, 0.18);
    border-radius: 18px;
    text-align: center;
}

.group-empty__title {
    margin: 0;
    font-size: 24px;
}

.group-empty__desc {
    margin: 10px 0 0;
    color: var(--group-muted);
    font-size: 14px;
}

@media (max-width: 767px) {
    .group-desktop-shell {
        width: min(100vw - 20px, 980px);
        margin: 10px auto;
        padding: 16px;
    }

    .group-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .group-hero__title {
        font-size: 24px;
    }

    .group-card {
        padding: 16px;
    }

    .group-card__head {
        flex-direction: column;
    }

    .group-card__footer {
        flex-wrap: wrap;
    }

    .group-card__action {
        width: 100%;
    }
}