/* 页脚「范老师手工起名出品」点击 — 品牌联系卡片 */

.footer-brand-trigger {
    border: 0;
    padding: 0;
    margin: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: inherit;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    -webkit-tap-highlight-color: transparent;
}
.footer-brand-trigger:hover {
    opacity: 0.82;
}
.footer-brand-trigger:active {
    opacity: 0.68;
}

.fan-brand-overlay {
    position: fixed;
    inset: 0;
    z-index: 100060;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.32s ease, visibility 0.32s ease;
}
.fan-brand-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.fan-brand-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
body.dark-theme .fan-brand-backdrop {
    background: rgba(8, 12, 20, 0.55);
}

.fan-brand-card {
    position: relative;
    z-index: 1;
    width: min(580px, 100%);
    box-sizing: border-box;
    padding: 24px 22px 22px;
    border-radius: 18px;
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 252, 250, 0.92) 45%, rgba(245, 243, 251, 0.94) 100%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 24px 64px rgba(72, 88, 120, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(12px) scale(0.98);
    transition: transform 0.32s ease;
}
body.dark-theme .fan-brand-card {
    background: linear-gradient(155deg, rgba(34, 42, 58, 0.96) 0%, rgba(28, 34, 48, 0.94) 100%);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.42);
}
.fan-brand-overlay.show .fan-brand-card {
    transform: translateY(0) scale(1);
}

.fan-brand-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    color: #8b919c;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: grid;
    place-items: center;
}
body.dark-theme .fan-brand-close {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(223, 231, 255, 0.72);
}
.fan-brand-close:active {
    transform: scale(0.95);
}

/* 三列：左 LOGO · 中二维码 · 右文案 */
.fan-brand-card__inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
    column-gap: 12px;
    padding: 6px 8px 6px 20px;
    min-height: 100px;
}

.fan-brand-card__col--logo {
    justify-self: start;
    padding-left: 12px;
}

.fan-brand-card__col--qr {
    display: flex;
    justify-content: center;
    align-items: center;
    justify-self: center;
}

.fan-brand-card__col--text {
    justify-self: end;
    padding-right: 6px;
    max-width: 188px;
}

.fan-brand-card__logo,
.fan-brand-card__qr {
    flex-shrink: 0;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(72, 88, 120, 0.1);
}
.fan-brand-card__logo {
    width: 72px;
    height: 72px;
    object-fit: cover;
    display: block;
}
.fan-brand-card__qr {
    width: 88px;
    height: 88px;
    object-fit: contain;
    padding: 4px;
    box-sizing: border-box;
    display: block;
}
body.dark-theme .fan-brand-card__logo,
body.dark-theme .fan-brand-card__qr {
    background: rgba(255, 255, 255, 0.94);
}

.fan-brand-card__title {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 0.16em;
    color: #1d1d1f;
    white-space: nowrap;
}
body.dark-theme .fan-brand-card__title {
    color: #eef3ff;
}
.fan-brand-card__lines {
    margin: 0;
    padding: 0;
    list-style: none;
}
.fan-brand-card__lines li {
    font-size: 11px;
    line-height: 1.62;
    color: #6b7280;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
body.dark-theme .fan-brand-card__lines li {
    color: rgba(223, 231, 255, 0.72);
}

@media (max-width: 520px) {
    .fan-brand-card {
        padding: 20px 14px 18px;
        border-radius: 16px;
    }
    .fan-brand-card__inner {
        grid-template-columns: auto 1fr auto;
        column-gap: 10px;
        padding: 4px 4px 4px 14px;
    }
    .fan-brand-card__col--logo {
        padding-left: 6px;
    }
    .fan-brand-card__col--text {
        max-width: 148px;
        padding-right: 2px;
    }
    .fan-brand-card__logo {
        width: 56px;
        height: 56px;
    }
    .fan-brand-card__qr {
        width: 72px;
        height: 72px;
    }
    .fan-brand-card__title {
        font-size: 17px;
        letter-spacing: 0.12em;
    }
    .fan-brand-card__lines li {
        font-size: 10px;
        white-space: normal;
    }
}