@charset "utf-8";
/* ==========================================================================
   站点导航 v2 · 顶层下拉
   五个板块：枕碧文存 / 晓法说法 / 晓法产品 / 晓法阵地 / 晓法互动
   每个板块带下拉子项。桌面悬停或聚焦展开，手机点按展开。
   ========================================================================== */

/* ---------- 桌面顶栏 ---------- */
.bar{position:fixed;top:0;left:0;right:0;z-index:60;height:62px;
  background:rgba(251,250,247,.96);border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px)}
.bar__in{max-width:1180px;margin:0 auto;height:100%;display:flex;align-items:center;
  justify-content:space-between;padding:0 clamp(20px,3.4vw,36px)}
.bar__brand{font-size:15px;letter-spacing:.14em;font-weight:500;white-space:nowrap}
.bar__brand span{font-size:11px;letter-spacing:.14em;opacity:.55;margin-left:12px;
  padding-left:12px;border-left:1px solid currentColor}

.bar__nav{display:flex;gap:clamp(10px,1.6vw,22px);font-size:12.5px;letter-spacing:.06em;
  align-items:stretch;height:100%}
.bar__nav a{opacity:.7;transition:opacity .2s}
.bar__nav a:hover{opacity:1;color:var(--seal)}

/* 有下拉的顶层项 */
.nav__item{position:relative;display:flex;align-items:center}
.nav__item>a,.nav__item>button{
  display:inline-flex;align-items:center;gap:5px;
  background:none;border:0;padding:0;cursor:pointer;
  font:inherit;letter-spacing:inherit;color:inherit;opacity:.7;
  transition:opacity .2s;height:100%;
}
.nav__item>a:hover,.nav__item>button:hover,
.nav__item.open>a,.nav__item.open>button{opacity:1;color:var(--seal)}
.nav__item>a.on,.nav__item>button.on{opacity:1;color:var(--seal)}
.nav__caret{width:7px;height:7px;flex:0 0 auto;opacity:.5;
  transition:transform .22s ease}
.nav__item.open .nav__caret{transform:rotate(180deg)}

/* 下拉面板 */
.nav__drop{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:172px;padding:7px 0;
  background:#fff;border:1px solid var(--line-2);
  box-shadow:0 10px 30px rgba(22,21,15,.10);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.nav__item.open .nav__drop{opacity:1;visibility:visible;pointer-events:auto;
  transform:translateX(-50%) translateY(0)}
.nav__drop a{display:block;padding:9px 18px;white-space:nowrap;opacity:.82;
  border-bottom:1px solid var(--line)}
.nav__drop a:last-child{border-bottom:0}
.nav__drop a:hover{opacity:1;color:var(--seal);background:var(--wash)}
.nav__drop a.on{color:var(--seal);background:var(--brand-wash)}

/* ---------- 移动端 ---------- */
.bar__burger{display:none;width:32px;height:32px;background:none;border:0;
  padding:7px 4px;cursor:pointer}
.bar__burger span{display:block;height:2px;background:currentColor;margin-bottom:5px}
.bar__burger span:last-child{margin-bottom:0}

@media (max-width:900px){
  .bar__in{flex-wrap:wrap;height:auto;min-height:62px}
  .bar__burger{display:block}
  .bar__nav{
    display:none;width:100%;height:auto;flex-direction:column;gap:0;
    border-top:1px solid var(--line);padding:6px 0 12px;
  }
  body.nav-open .bar__nav{display:flex}
  .nav__item{flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  .nav__item:last-child{border-bottom:0}
  .nav__item>a,.nav__item>button{width:100%;padding:13px 0;justify-content:space-between}
  .nav__drop{
    position:static;transform:none;min-width:0;width:100%;
    box-shadow:none;border:0;border-top:1px solid var(--line);
    opacity:1;visibility:visible;pointer-events:auto;
    display:none;padding:2px 0 8px;
    background:transparent;
  }
  .nav__item.open .nav__drop{display:block;transform:none}
  .nav__drop a{padding:9px 0 9px 14px;border-bottom:0;
    border-left:2px solid var(--line-2);margin-left:2px}
  .nav__drop a:hover,.nav__drop a.on{background:none;border-left-color:var(--seal)}
}