/* ===== 锐客网 全站底部 footer v17（独立于 rk.css，避免触碰全局构建） ===== */
/* 设计语言：白底 + 左侧大标语 + 4 组栏目列 + 右侧联系区 + 居中版权条；
   金橙 #ffb657 短横点缀、深色 #131a26 胶囊主按钮（hover 转 #f0780c）、mono 热线号；
   底部左下角极淡暖色同心弧装饰（参考站同款），版权条细线收口 */
/* 色系（取自 rk.css :root）：
   --primary #ffb657 | --primary-dark #f0780c | --primary-light #ffe0b0
   --navy #131a26 | --ink #141b26 | --ink-3 #6b7785 | --gray #f5f7fa | --hair #e8edf3 | --warm #fdf8f1 */

.rk-foot {
  background: #fff;
  color: #6b7785;
  font-size: 14px;
  line-height: 1.7;
}
.rk-foot a { color: #6b7785; text-decoration: none; transition: color .2s, transform .2s; }
.rk-foot a:hover { color: #f0780c; }

/* ---------- 主体 ---------- */
.rk-foot-main { padding: 66px 0 56px; }
.rk-foot-grid {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 222px;
  gap: 24px 30px;
  align-items: start;
}

/* 左：标语区（黑白 logo，无文字标语） */
.rk-foot-logo {
  display: block; width: 200px; height: auto; margin: 0 0 20px;
}
.rk-foot-desc {
  margin: 0 0 22px;
  max-width: 232px;
  font-size: 13px; line-height: 1.95; color: #7b858f;
}
/* 主按钮：深色胶囊 + 白圆箭头（hover 转品牌深橙） */
.rk-foot-btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 10px 10px 10px 26px; border-radius: 999px;
  background: #131a26; color: #fff; font-size: 14px; font-weight: 700; line-height: 1;
  transition: .25s;
}
.rk-foot-btn i {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: #fff; color: #131a26; font-size: 11px; transition: .25s;
}
.rk-foot-btn:hover { background: #f0780c; color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(240, 120, 12, .26); }
.rk-foot-btn:hover i { color: #f0780c; transform: translateX(3px); }
/* 修正：`.rk-foot a` 特异性 0,1,1 会盖掉 .rk-foot-btn 的白字，这里显式提权 */
.rk-foot a.rk-foot-btn, .rk-foot a.rk-foot-btn:hover { color: #fff; }

/* 中：4 组栏目列 */
.rk-foot-cols {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px 18px;
}
.rk-foot-col h4 {
  position: relative;
  margin: 0 0 14px; padding-bottom: 12px;
  font-size: 15px; font-weight: 800; color: #141b26; letter-spacing: .02em;
}
.rk-foot-col h4::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 20px; height: 2px; border-radius: 2px; background: #ffb657;
}
.rk-foot-col a { display: block; font-size: 13.5px; color: #6b7785; padding: 5px 0; }
.rk-foot-col a:hover { color: #f0780c; transform: translateX(3px); }

/* 右：咨询热线 + 二维码（细竖线分隔，独立成一条信息栏） */
.rk-foot-side {
  padding-left: 30px;
  border-left: 1px solid #eef1f6;
}
.rk-foot-side-t {
  margin: 0 0 8px;
  font-size: 12.5px; font-weight: 700; color: #8a93a1; letter-spacing: .08em;
}
.rk-foot-tel-no {
  display: block;
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  font-size: 22px; font-weight: 800; letter-spacing: .2px; color: #141b26; line-height: 1.2;
}
.rk-foot-tel-no:hover { color: #f0780c; }
/* 二维码块（替代原邮箱与友情链接按钮） */
.rk-foot-qr {
  margin-top: 24px; padding-top: 22px;
  border-top: 1px solid #eef1f6;
}
.rk-foot-qr img {
  flex: none; display: block;
  width: 100px; height: 100px; padding: 5px;
  background: #fff; border: 1px solid #e8edf3; border-radius: 8px;
  box-sizing: content-box;
}
.rk-foot-qr-t { margin-top: 9px; }
.rk-foot-qr-t b { display: block; font-size: 12.5px; font-weight: 700; color: #141b26; line-height: 1.5; }
.rk-foot-qr-t span { display: block; margin-top: 3px; font-size: 11.5px; color: #8a93a1; line-height: 1.6; }

/* ---------- 友情链接带（极浅灰） ---------- */
.rk-foot-links { background: #fff; border-top: 1px solid #eef1f6; padding: 13px 0; }
.rk-foot-links-in { display: flex; align-items: flex-start; gap: 16px; }
.rk-foot-links-t {
  position: relative; flex: none; padding-left: 11px;
  font-size: 13px; font-weight: 700; color: #141b26; line-height: 1.9;
}
.rk-foot-links-t::before {
  content: ""; position: absolute; left: 0; top: 5px; bottom: 5px;
  width: 3px; border-radius: 2px; background: #ffb657;
}
.rk-foot-links-b { display: flex; flex-wrap: wrap; gap: 2px 18px; }
.rk-foot-links-b a { font-size: 12.5px; color: #7b858f; line-height: 1.9; }
.rk-foot-links-b a:hover { color: #f0780c; }

/* ---------- 版权条（一行两栏 · 细线收口 · 左下角极淡同心弧） ---------- */
.rk-foot-bar {
  position: relative; overflow: hidden;
  background: #fff; border-top: 1px solid #eef1f6;
  padding: 34px 0 36px; text-align: center;
}
/* 顶部金橙渐变细线：给整页一个柔和收口 */
.rk-foot-bar::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 182, 87, .65) 28%, rgba(255, 182, 87, .65) 72%, transparent);
}
.rk-foot-bar::before {
  content: ""; position: absolute; left: -250px; bottom: -410px;
  width: 800px; height: 800px; border-radius: 50%; pointer-events: none;
  background: repeating-radial-gradient(circle at 50% 50%,
    rgba(240, 150, 60, .09) 0 1.5px, transparent 1.5px 76px);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 46%, transparent 88%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0 46%, transparent 88%);
}
.rk-foot-bar .container { position: relative; z-index: 1; }
.rk-foot-bar-in {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 8px 22px;
}
.rk-foot-bar-copy {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0 13px;
  margin: 0; font-size: 12.5px; color: #8a93a1;
}
.rk-foot-bar-copy i { flex: none; width: 1px; height: 11px; background: #e8edf3; }
.rk-foot-bar-copy a { color: #8a93a1; font-size: 12.5px; }
.rk-foot-bar-copy a:hover { color: #f0780c; }
.rk-foot-bar-links {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0 12px;
  margin: 0; font-size: 12px; color: #a7b0bd;
}
.rk-foot-bar-links i { flex: none; width: 1px; height: 10px; background: #e8edf3; }
.rk-foot-bar-links a { color: #a7b0bd; font-size: 12px; }
.rk-foot-bar-links a:hover { color: #f0780c; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .rk-foot-main { padding: 48px 0 40px; }
  .rk-foot-grid { grid-template-columns: 1fr; gap: 36px; }
  .rk-foot-desc { max-width: 560px; }
  .rk-foot-cols { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px 16px; }
  /* 联系区横向铺开：咨询热线 | 二维码 */
  .rk-foot-side { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 44px;
    padding-left: 0; border-left: none; }
  .rk-foot-side-t { margin: 0 0 10px; }
  .rk-foot-qr { margin: 0 0 0 auto; padding: 0; border-top: none; }
  .rk-foot-qr-t { margin-top: 0; }
}
@media (max-width: 900px) {
  .rk-foot-side { gap: 18px 32px; }
  .rk-foot-qr { margin-left: 0; }
}
@media (max-width: 760px) {
  .rk-foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .rk-foot-logo { width: 172px; }
  .rk-foot-tel-no { font-size: 22px; }
  .rk-foot-side { flex-direction: column; align-items: flex-start; gap: 18px; }
  .rk-foot-qr { margin-left: 0; }
}
@media (max-width: 520px) {
  .rk-foot-main { padding: 36px 0 30px; }
  .rk-foot-links-in { flex-direction: column; gap: 6px; }
  .rk-foot-bar { padding: 22px 0 24px; }
  .rk-foot-bar-in { flex-direction: column; gap: 6px; text-align: center; }
  .rk-foot-bar-copy, .rk-foot-bar-links { justify-content: center; gap: 0 12px; line-height: 1.95; }
  .rk-foot-bar-copy i, .rk-foot-bar-links i { display: none; }
}