/* ============================================
   AegisX - 页脚样式 v3.0
   全终端响应式 / SEO友好
   ============================================ */

.footer {
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%,rgba(99,102,241,.12),transparent 70%),
    linear-gradient(180deg,#070B14 0%,var(--bg-secondary) 60%,#070B14 100%);
  border-top: 1px solid rgba(99,102,241,.2);
  padding: var(--space-16) 0 0;
  position: relative;
  overflow: hidden;
}

.footer__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* 顶部链接区域 */
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border-color);
}

/* 品牌信息列 */
.footer__brand {
  max-width: 300px;
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.footer__brand-logo img,
.footer__brand-logo svg {
  height: 32px;
  width: auto;
}

.footer__brand-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* 社交图标 */
.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(148,163,184,.08);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid var(--border-color);
  overflow:hidden;
  position:relative;
}
.footer__social-link svg {
  width: 24px;
  height: 24px;
  display: block;
  flex-shrink: 0;
}
.footer__social-link[aria-label="QQ"]:hover {
  background: linear-gradient(135deg, #000000, #333333);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(0,0,0,.45);
}
.footer__social-link[aria-label="QQ"]:hover svg path[fill="#FAAD08"],
.footer__social-link[aria-label="QQ"]:hover svg path[fill="#EB1C26"] {
  filter: drop-shadow(0 0 2px rgba(255,255,255,.4));
}

.footer__social-link:hover {
  background: linear-gradient(135deg,#6366F1,#06B6D4);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99,102,241,.45);
  border-color: transparent;
}

/* ===== 微信悬浮二维码（后台配置 site_wechat_qr 后自动出现） ===== */
.footer__social-wechat { position: relative; overflow: visible; }

.footer__wechat-pop {
  position: absolute;
  bottom: 46px;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
  z-index: 40;
  text-align: center;
  width: 132px;
}

.footer__social-wechat:hover .footer__wechat-pop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.footer__wechat-pop::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #fff;
}

.footer__wechat-pop img {
  width: 112px;
  height: 112px;
  object-fit: contain;
  display: block;
  max-width: 100%;
}

.footer__wechat-pop i {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: #94A3B8;
  margin-top: 6px;
  white-space: nowrap;
  letter-spacing: 0;
  writing-mode: horizontal-tb;
}

/* ===== 联系方式可点链接 ===== */
.footer__contact-link {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease;
}
.footer__contact-link:hover { color: var(--primary); }

/* ===== 备案信息 ===== */
.footer__icp-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12px;
  transition: color .18s ease;
}
.footer__icp-link:hover { color: var(--primary); }

/* 链接列 */
.footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--primary);
}

/* 联系方式 */
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.footer__contact-item .contact-icon {
  flex-shrink: 0;
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  line-height: 0;
}
.footer__contact-item .contact-icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* 底部版权区域 */
.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-link {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: var(--text-secondary);
}

/* 备案号 */
.footer__icp {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.footer__icp img {
  height: 16px;
  width: auto;
}

/* ==================================================================
   响应式
   ================================================================== */
@media screen and (max-width: 1024px) {
  .footer__top {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@media screen and (max-width: 768px) {
  .footer {
    padding: var(--space-10) 0 0;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

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

@media screen and (max-width: 480px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer__column-title {
    margin-bottom: var(--space-3);
  }

  .footer__bottom-links {
    flex-direction: column;
    gap: var(--space-2);
    align-items: center;
  }
}