/**
 * Copyright © 2024-2026 MCLINYUNHAI. All Rights Reserved.
 * 凌云海工作室 保留所有权利。
 */

.footer {
  background: var(--deep);
  color: rgba(255,255,255,.72);
  border-top: 1px solid var(--deep-line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  padding: 52px 0 36px;
}
.footer-brand-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}
.footer-brand img {
  height: 30px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  max-width: 300px;
  margin: 0;
  color: rgba(255,255,255,.58);
}
.footer-col h4 {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 14px;
  font-weight: 600;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: 9px;
}
.footer-col a {
  color: rgba(255,255,255,.64);
  font-size: 13px;
  transition: color .18s ease;
}
.footer-col a:hover {
  color: var(--brand);
}
.footer-bottom {
  border-top: 1px solid var(--deep-line);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255, 255, 255, .46);
}
.footer-bottom-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-tech {
  color: rgba(255, 255, 255, .45);
  text-decoration: none;
  transition: color .2s ease;
}
.footer-tech:hover {
  color: var(--brand);
}
.footer-qr {
  display: flex;
  gap: 16px;
  align-items: center;
}
.footer-qr figure {
  margin: 0;
  text-align: center;
}
.footer-qr img {
  width: 60px;
  height: 60px;
  border: 2px solid #fff;
  background: #fff;
}
.footer-qr figcaption {
  margin-top: 5px;
  font-size: 11px;
  color: rgba(255,255,255,.56);
}

/* ---------- 页脚响应式 ---------- */
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}