/* === Ethereal Glass 页脚 === */
.footer-container {
    padding: var(--space-8, 32px) 0 0;
    margin-top: var(--space-8, 32px);
    background: transparent;
    border: 0;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    box-shadow: none;
}

/* 装饰光晕 */
.footer-container::before {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(106, 130, 251, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    display: none;
}

/* === 内容布局 === */
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8, 32px);
    position: relative;
    z-index: 1;
}

/* === 标题 === */
.section-title {
    font-family: var(--font-display, 'Plus Jakarta Sans', system-ui, sans-serif);
    font-size: var(--text-xl, 1.35rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text, rgba(255,255,255,0.85));
    margin-bottom: var(--space-5, 20px);
    text-align: center;
    position: relative;
    padding-bottom: var(--space-3, 12px);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary, #6a82fb), transparent);
    border-radius: var(--radius-full, 9999px);
}

/* === 作者区域 === */
.author-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5, 20px);
}

.author-card {
    display: flex;
    align-items: center;
    gap: var(--space-5, 20px);
    background: rgba(255, 255, 255, 0.01);
    padding: var(--space-5, 20px);
    border: 0.5px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-xl, 28px);
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

.author-card:hover {
    border-color: rgba(106, 130, 251, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    background: rgba(106, 130, 251, 0.02);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg, 20px);
    object-fit: cover;
    border: 1.5px solid rgba(106, 130, 251, 0.15);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.author-card:hover .author-avatar {
    transform: scale(1.05);
    border-color: rgba(106, 130, 251, 0.25);
}

.author-name {
    font-family: var(--font-display, 'Plus Jakarta Sans', system-ui, sans-serif);
    font-size: var(--text-lg, 1.125rem);
    font-weight: 600;
    color: var(--color-text, rgba(255,255,255,0.85));
    margin-bottom: var(--space-1, 4px);
}

.author-role {
    color: var(--color-text-secondary, rgba(255,255,255,0.55));
    font-size: var(--text-sm, 0.875rem);
    margin-bottom: var(--space-3, 12px);
}

.author-contact {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, 8px);
    color: var(--color-primary-light, #8ba3ff);
    padding: var(--space-2, 8px) var(--space-3, 12px);
    background: rgba(106, 130, 251, 0.04);
    border: 0.5px solid rgba(106, 130, 251, 0.06);
    border-radius: var(--radius-full, 9999px);
    font-family: var(--font-body, 'Space Grotesk', system-ui, sans-serif);
    font-size: var(--text-xs, 0.75rem);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.author-contact svg {
    width: 14px;
    height: 14px;
    stroke-width: 1.5;
}

.author-contact:hover {
    background: rgba(106, 130, 251, 0.08);
    border-color: rgba(106, 130, 251, 0.1);
}

/* === 鸣谢 === */
.main-thanks {
    text-align: center;
    margin-bottom: var(--space-6, 24px);
}

.main-thanks p {
    color: var(--color-text-secondary, rgba(255,255,255,0.55));
    font-size: var(--text-sm, 0.875rem);
    margin: var(--space-2, 8px) 0;
}

.main-thanks strong {
    color: var(--color-primary-light, #8ba3ff);
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-primary-light, #8ba3ff), var(--color-accent-1, #fc5c7d));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contributors {
    background: rgba(255, 255, 255, 0.01);
    padding: var(--space-5, 20px);
    border: 0.5px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-xl, 28px);
}

.contributor-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2, 8px);
    list-style: none;
    padding: 0;
    margin: 0;
}

.contributor-list li {
    color: var(--color-text-secondary, rgba(255,255,255,0.55));
    font-size: var(--text-sm, 0.875rem);
    padding-left: var(--space-4, 16px);
    position: relative;
}

.contributor-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 4px;
    height: 4px;
    background: var(--color-primary, #6a82fb);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-glow, rgba(106,130,251,0.15));
}

/* === 版权 === */
.license-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5, 20px);
    margin-top: var(--space-4, 16px);
    padding-top: var(--space-6, 24px);
    border-top: 0.5px solid rgba(255, 255, 255, 0.04);
}

.license-text,
.wiki-link {
    color: var(--color-text-secondary, rgba(255,255,255,0.55));
    font-size: var(--text-sm, 0.875rem);
}

.license-link {
    display: inline-block;
    color: var(--color-primary-light, #8ba3ff);
    text-decoration: none;
    position: relative;
    font-weight: 500;
    padding-bottom: 2px;
}

.license-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 0.5px;
    background: var(--color-primary-light, #8ba3ff);
    transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.license-link:hover::after {
    width: 100%;
}

.license-icons {
    display: flex;
    gap: var(--space-5, 20px);
    flex-wrap: wrap;
    justify-content: center;
}

.license-icons img {
    width: 36px;
    height: 36px;
    opacity: 0.82;
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), border-color 0.3s cubic-bezier(0.32, 0.72, 0, 1), background-color 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    filter: saturate(1.15) brightness(1.12) contrast(1.08);
}

.license-icons img:hover {
    opacity: 1;
    filter: saturate(1.3) brightness(1.18) contrast(1.1);
    transform: scale(1.1);
}

/* === 浅色主题 === */
.light-theme .footer-container {
    background: transparent;
    box-shadow: none;
}

.light-theme .section-text,
.light-theme .license-text,
.light-theme .wiki-link,
.light-theme .main-thanks p,
.light-theme .contributor-list li {
    color: rgba(0, 0, 0, 0.5);
}

.light-theme .author-card {
    background: rgba(0, 0, 0, 0.01);
}

.light-theme .contributors {
    background: rgba(0, 0, 0, 0.01);
}

.light-theme .license-icons img {
    opacity: 0.68;
    filter: saturate(1.05) brightness(1.08) contrast(1.05);
}

.light-theme .license-icons img:hover {
    opacity: 0.95;
    filter: saturate(1.2) brightness(1.12) contrast(1.08);
}

/* === 响应式 === */
@media (max-width: 768px) {
    .footer-container {
        padding: var(--space-6, 24px) 0 0;
    }

    .author-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .contributor-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: var(--space-5, 20px) 0 0;
    }

    .author-card {
        flex-direction: column;
        text-align: center;
    }

    .license-icons img {
        width: 28px;
        height: 28px;
    }
}