/* ===== 全站底部与悬浮组件（亮色） ===== */
.site-footer{margin-top:90px;background:linear-gradient(180deg,#0f2f8f 0%,#0a1f5c 100%);position:relative;overflow:hidden}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding:64px 0 46px}
.footer-brand .f-logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:1px;margin-bottom:6px}
.footer-brand .f-logo em{font-style:normal;background:var(--grad-orange);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-brand p{font-size:14px;color:#a8c0dc;margin:12px 0 16px;max-width:400px;text-align:justify}
.footer-brand .cert-pre{display:block;margin-bottom:10px;color:rgba(255,255,255,.8)}
.footer-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.footer-badges .cert-set{flex-wrap:wrap;gap:8px}
.footer-badges .cert-set img{height:30px}
.f-col h4{font-size:16px;color:#fff;margin-bottom:18px;position:relative;padding-left:12px}
.f-col h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--grad-orange)}
.f-col ul li{margin-bottom:11px}
.f-col ul a{font-size:14px;color:#a8c0dc;display:inline-flex;align-items:center;gap:8px}
.f-col ul a::before{content:"";width:4px;height:4px;border-radius:50%;background:rgba(255,161,73,.7);transition:background .25s}
.f-col ul a:hover{color:#fff}
.f-col ul a:hover::before{background:var(--orange)}
.f-contact li{display:flex;gap:10px;font-size:14px;color:#a8c0dc;margin-bottom:13px;align-items:flex-start}
.f-contact svg{width:16px;height:16px;fill:var(--orange);flex-shrink:0;margin-top:5px}
.f-contact strong{color:#fff;font-size:16px;letter-spacing:.5px}
.f-cta{margin-top:6px;height:42px;padding:0 22px;width:100%;max-width:230px}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.65)}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:#fff}
.footer-kw{position:relative;padding:0 0 26px;display:flex;flex-wrap:wrap;gap:8px}
.footer-kw a{font-size:12.5px;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.2);padding:3px 12px;border-radius:999px}
.footer-kw a:hover{color:#fff;border-color:rgba(255,255,255,.6)}

/* ===== 猜你想问 · PC通栏悬浮（白底） ===== */
.ask-bar{position:fixed;left:0;right:0;bottom:0;z-index:920;background:rgba(255,255,255,.94);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-top:1px solid var(--line);box-shadow:0 -14px 44px rgba(30,60,120,.1);transform:translateY(0);transition:transform .4s cubic-bezier(.22,.8,.3,1)}
.ask-bar.hidden{transform:translateY(calc(100% - 44px))}
.ask-inner{max-width:1680px;margin:0 auto;padding:12px 28px;display:flex;align-items:center;gap:18px}
.ask-title{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink);font-weight:800;font-size:16px;letter-spacing:.5px}
.ask-mark{width:30px;height:30px;border-radius:50%;background:var(--grad-orange);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:17px;box-shadow:0 6px 16px rgba(255,138,30,.4);animation:askBreath 2.6s ease-in-out infinite}
@keyframes askBreath{0%,100%{box-shadow:0 6px 16px rgba(255,138,30,.35);transform:scale(1)}50%{box-shadow:0 8px 26px rgba(255,138,30,.6);transform:scale(1.06)}}
.ask-pills{display:flex;gap:10px;flex:1;overflow-x:auto;scrollbar-width:none}
.ask-pills::-webkit-scrollbar{display:none}
.ask-pill{flex-shrink:0;padding:9px 18px;border-radius:999px;border:1px solid rgba(35,80,160,.22);background:#fff;color:var(--ink-2);font-size:14px;white-space:nowrap;box-shadow:0 4px 14px rgba(30,60,120,.06)}
.ask-pill:hover{background:rgba(47,123,255,.07);border-color:var(--blue-2);color:var(--blue);transform:translateY(-2px)}
.ask-toggle{flex-shrink:0;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;font-size:14px;background:#fff;margin-right:190px}
.ask-bar.hidden{transform:translateY(100%)}
.ask-open{position:fixed;right:26px;bottom:0;z-index:919;display:none;align-items:center;gap:8px;padding:9px 18px;border-radius:14px 14px 0 0;background:var(--grad-orange);color:#fff;font-size:13px;font-weight:700;box-shadow:0 -6px 20px rgba(255,138,30,.35)}
.ask-open.show{display:inline-flex}
.ask-open svg{width:16px;height:16px;fill:#fff}

/* ===== 证书放大 Lightbox（全站） ===== */
.zlb{position:fixed;inset:0;z-index:990;background:rgba(6,14,30,.93);display:none;align-items:center;justify-content:center;padding:30px}
.zlb.show{display:flex}
.zlb img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:0 30px 90px rgba(0,0,0,.6);background:#fff;padding:12px}
.zlb-x{position:absolute;top:24px;right:30px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);color:#fff;font-size:22px}
.zlb-cap{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:#fff;font-size:14px;background:rgba(255,255,255,.12);padding:6px 18px;border-radius:999px;white-space:nowrap;max-width:90vw;overflow:hidden;text-overflow:ellipsis}

/* ===== fab 与移动端底栏（白底） ===== */
.fab{position:fixed;left:26px;bottom:26px;z-index:910;display:flex;flex-direction:column;gap:12px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.fab.show{opacity:1;visibility:visible}
.fab-btn{width:48px;height:48px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(30,60,120,.14)}
.fab-btn:hover{color:var(--blue);border-color:var(--blue-2)}
.fab-btn svg{width:20px;height:20px;fill:currentColor}

/* PC 右侧悬浮咨询 */
.side-consult{position:fixed;right:0;top:58%;z-index:910;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 10px;background:var(--grad-orange);color:#fff;border-radius:14px 0 0 14px;box-shadow:0 12px 32px rgba(255,138,30,.4);writing-mode:initial;opacity:0;visibility:hidden;transform:translateX(100%);transition:opacity .35s,transform .35s,visibility .35s}
.side-consult.show{opacity:1;visibility:visible;transform:translateX(0)}
.side-consult:hover{box-shadow:0 16px 40px rgba(255,138,30,.55)}
.side-consult svg{width:22px;height:22px;fill:#fff}
.side-consult b{writing-mode:vertical-rl;letter-spacing:4px;font-size:14px}

.m-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:930;background:rgba(255,255,255,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));grid-template-columns:repeat(4,1fr)}
.m-bar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;color:#516b9e;font-size:12.5px;font-weight:600}
.m-bar a svg{width:22px;height:22px;fill:currentColor}
.m-bar a.active{color:var(--orange);font-weight:800}
.m-consult{position:fixed;right:16px;bottom:calc(150px + env(safe-area-inset-bottom));z-index:910;width:54px;height:54px;border-radius:50%;background:var(--grad-orange);display:none;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(255,138,30,.45)}
.m-consult svg{width:25px;height:25px;fill:#fff}
.m-top{position:fixed;right:16px;bottom:calc(214px + env(safe-area-inset-bottom));z-index:910;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);display:none;align-items:center;justify-content:center;color:var(--ink-2);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;box-shadow:0 8px 22px rgba(30,60,120,.12)}
.m-top.show{opacity:1;visibility:visible}
.m-top svg{width:19px;height:19px;fill:currentColor}

@media (max-width:767px){
  .ask-bar{display:none}
  .side-consult{display:none}
  .m-bar{display:grid}
  .m-consult{display:flex}
  .m-top{display:flex}
  .fab{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:calc(86px + env(safe-area-inset-bottom))}
  .site-footer{margin-top:60px}
}