/**
 * footer.css - 页脚样式（水墨风格）
 */

/* ==================== 页脚容器 ==================== */
.site-footer {
    background: linear-gradient(180deg, #2b1e10 0%, #1a1208 100%);
    color: #d4c3a3;
    padding: 32px 24px 24px;
    font-size: 14px;
    text-align: center;
    border-top: 2px solid var(--color-gold-dark, #b89b6b);
    margin-top: 40px;
    font-family: var(--font-body, "Noto Serif SC", "楷体", KaiTi, serif);
    position: relative;
    overflow: hidden;
}

/* 顶部水墨装饰线 */
.site-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(218, 165, 32, 0.3) 20%,
        rgba(218, 165, 32, 0.6) 50%,
        rgba(218, 165, 32, 0.3) 80%,
        transparent 100%);
}

/* 底部水墨晕染 */
.site-footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.15) 100%);
    pointer-events: none;
}

/* ==================== 免责声明 ==================== */
.footer-disclaimer {
    text-align: center;
    line-height: 1.9;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px dashed rgba(184, 155, 107, 0.3);
    position: relative;
    z-index: 1;
}

.footer-disclaimer p {
    margin: 4px 0;
    color: #c4b393;
}

.footer-disclaimer .footer-brand {
    font-family: var(--font-brush, "Ma Shan Zheng", cursive);
    font-size: 18px;
    color: var(--color-gold, #e6c687);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.footer-disclaimer .contact {
    margin-top: 12px;
    font-size: 13px;
    opacity: 0.85;
}

.footer-disclaimer a {
    color: var(--color-gold, #e6c687);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 0.2s ease;
}

.footer-disclaimer a:hover {
    opacity: 0.8;
}

/* ==================== 打赏区 ==================== */
.footer-donate {
    text-align: center;
    position: relative;
    z-index: 1;
}

.donate-title {
    font-family: var(--font-brush, "Ma Shan Zheng", cursive);
    font-size: 18px;
    font-weight: bold;
    color: #f3e1c2;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

/* 档位按钮 */
.donate-tiers {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
}

.tier-btn {
    background: linear-gradient(135deg, #3e2c1c 0%, #2d1f14 100%);
    border-radius: 12px;
    padding: 14px 24px;
    border: 1px solid rgba(184, 155, 107, 0.5);
    text-align: center;
    min-width: 140px;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
    color: inherit;
}

.tier-btn:hover {
    transform: translateY(-3px);
    border-color: var(--color-gold, #f0c674);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.tier-btn:active {
    transform: translateY(-1px);
}

.tier-price {
    display: block;
    font-family: var(--font-brush, "Ma Shan Zheng", cursive);
    font-size: 22px;
    font-weight: bold;
    color: #f0c674;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.tier-desc {
    display: block;
    font-size: 13px;
    color: #cfb991;
}

/* 二维码弹窗 */
.donate-qrcodes {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.qrcode-overlay {
    background: linear-gradient(135deg, #faf8f0 0%, #f5f0e0 100%);
    border-radius: 16px;
    padding: 24px;
    border: 2px solid var(--color-gold-dark, #b89b6b);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    max-width: 360px;
    width: 100%;
    text-align: center;
}

.qrcode-close {
    position: absolute;
    top: 8px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 28px;
    color: var(--color-ink-light, #666);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.qrcode-close:hover {
    color: var(--color-ink, #333);
}

.qrcode-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qrcode-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.qrcode {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    border: 3px solid var(--color-gold-dark, #b89b6b);
    background: #fff;
    padding: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

.qrcode-label {
    font-family: var(--font-brush, "Ma Shan Zheng", cursive);
    font-size: 18px;
    color: var(--color-ink, #2f4f4f);
    letter-spacing: 2px;
}

.donate-note {
    font-size: 12px;
    opacity: 0.7;
    line-height: 1.7;
    margin-top: 12px;
    color: #b8a882;
}

/* ==================== 移动端适配 ==================== */
@media (max-width: 768px) {
    .site-footer {
        padding: 24px 16px 20px;
        margin-top: 30px;
    }

    .footer-disclaimer {
        margin-bottom: 20px;
        padding-bottom: 16px;
    }

    .footer-disclaimer .footer-brand {
        font-size: 16px;
    }

    .donate-title {
        font-size: 16px;
    }

    .donate-tiers {
        gap: 16px;
    }

    .tier-btn {
        min-width: 130px;
        padding: 12px 20px;
    }

    .tier-price {
        font-size: 20px;
    }

    .qrcode {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 20px 12px 16px;
    }

    .footer-disclaimer {
        font-size: 13px;
        line-height: 1.7;
    }

    .footer-disclaimer .footer-brand {
        font-size: 15px;
    }

    .donate-tiers {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .tier-btn {
        width: 100%;
        max-width: 220px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        padding: 10px 16px;
    }

    .tier-price,
    .tier-desc {
        display: inline;
    }

    .tier-price {
        font-size: 18px;
    }

    .qrcode-overlay {
        padding: 20px 16px;
    }

    .qrcode {
        width: 160px;
        height: 160px;
    }

    .donate-note {
        font-size: 11px;
    }
}