:root{
  --ink:#102033;--muted:#60758d;--soft:#eef7ff;--line:#d8e8f6;
  --brand:#2e8cff;--brand-strong:#0b61cf;--accent:#71d3ff;
  --cyan:#20c5e8;--mint:#18b992;--violet:#7461e8;
  --shadow:0 22px 64px rgba(30,108,190,.14);
  --radius:8px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:linear-gradient(180deg,#f8fcff 0%,#fff 38%,#f4faff 100%),
    linear-gradient(90deg,rgba(46,140,255,.04) 1px,transparent 1px),
    linear-gradient(180deg,rgba(46,140,255,.04) 1px,transparent 1px);
  background-size:auto,48px 48px,48px 48px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{display:block}
main>section{scroll-margin-top:82px}

/* ========== 头部 ========== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px clamp(20px,5vw,70px);color:#fff;
  transition:background .25s,box-shadow .25s,color .25s,padding .25s;
}
.site-header.is-scrolled,.site-header.is-open{
  color:var(--ink);background:rgba(248,252,255,.94);
  box-shadow:0 10px 40px rgba(30,108,190,.1);backdrop-filter:blur(16px);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:188px}
.brand-logo{width:38px!important;height:38px!important;min-width:38px;object-fit:contain;
  border-radius:8px;background:#fff;box-shadow:0 4px 14px rgba(11,43,93,.18)}
.brand strong,.brand small{display:block;line-height:1.1}
.brand strong{font-size:17px}
.brand small{margin-top:4px;opacity:.72;font-size:11px;letter-spacing:.08em}
.site-nav{display:flex;gap:28px;font-size:14.5px}
.site-nav a{position:relative;padding:4px 0;font-weight:500;transition:color .2s}
.site-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:currentColor;opacity:.9;transition:right .25s}
.site-nav a:hover::after{right:0}
.header-action{
  display:inline-flex;align-items:center;min-height:40px;padding:0 20px;
  border-radius:var(--radius);font-size:14px;font-weight:700;
  background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;
  box-shadow:0 10px 24px rgba(46,140,255,.28);transition:transform .2s,box-shadow .2s;
}
.header-action:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(46,140,255,.34)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:currentColor;border-radius:2px}

/* ========== Hero ========== */
.hero{
  position:relative;min-height:min(700px,88vh);overflow:hidden;
  display:grid;align-items:center;
  padding:132px clamp(20px,5vw,70px) 92px;color:#fff;
  background:#061e46;
}
.hero-backdrop{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 78% 22%,rgba(46,140,255,.5),transparent 44%),
    radial-gradient(circle at 12% 86%,rgba(32,197,232,.3),transparent 46%),
    linear-gradient(118deg,#04152f 0%,#0a2d5e 40%,#115cab 74%,#1c85c9 100%);
}
.hero-grid-bg{
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.055) 0 1px,transparent 1px 108px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 86px);
  mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 88%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:30%;
  background:linear-gradient(0deg,rgba(6,30,70,.85),rgba(6,30,70,0));pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;max-width:var(--max);margin:0 auto;width:100%;
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);
  align-items:center;gap:clamp(30px,4.5vw,68px);
}
.hero-copy{max-width:610px;min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 20px;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:600}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(113,211,255,.22);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(113,211,255,.22)}50%{box-shadow:0 0 0 8px rgba(113,211,255,.06)}}
.hero h1{margin:0;font-size:clamp(34px,4vw,56px);line-height:1.12;font-weight:850;letter-spacing:-.015em}
.hero-lead{max-width:580px;margin:22px 0 0;color:rgba(255,255,255,.8);
  font-size:clamp(15.5px,1.4vw,18px);line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius);font-weight:700;font-size:15px;
  transition:transform .2s,border-color .2s,background .2s,box-shadow .2s}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;
  box-shadow:0 14px 30px rgba(46,140,255,.36)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(46,140,255,.44)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.52)}
.hero-proof{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-proof span{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 13px;
  border:1px solid rgba(255,255,255,.2);border-radius:8px;color:rgba(255,255,255,.8);
  background:rgba(255,255,255,.08);font-size:13px;font-weight:700}
.hero-proof svg{color:var(--accent)}

/* ========== Hero 数据面板 ========== */
.hero-panel{
  position:relative;z-index:2;width:100%;max-width:430px;justify-self:end;
  padding:24px 24px 22px;border:1px solid rgba(190,230,255,.26);border-radius:14px;
  background:linear-gradient(180deg,rgba(13,51,101,.86),rgba(6,24,48,.82)),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 84px);
  backdrop-filter:blur(20px);box-shadow:0 34px 80px rgba(3,14,32,.5);
}
.panel-top{display:flex;align-items:center;justify-content:space-between}
.panel-top>span{color:rgba(255,255,255,.72);font-size:13.5px}
.panel-top strong{display:inline-flex;align-items:center;gap:6px;color:#8fe7ff;font-size:12.5px;font-weight:600}
.panel-top strong i{width:6px;height:6px;border-radius:50%;background:#4ade80;
  box-shadow:0 0 0 3px rgba(74,222,128,.24)}
.metric-main{margin:20px 0 18px}
.metric-main small{display:block;color:rgba(255,255,255,.6);font-size:13px}
.metric-main strong{display:block;color:#fff;font-size:40px;line-height:1.15;font-weight:800;
  letter-spacing:-.02em;margin:4px 0 4px}
.metric-main span{color:rgba(255,255,255,.55);font-size:12.5px}
.metric-main em{color:#4ade80;font-style:normal;font-weight:700}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.metric-grid>div{padding:11px 8px;border:1px solid rgba(255,255,255,.12);border-radius:9px;
  background:rgba(255,255,255,.07);text-align:center}
.metric-grid small{display:block;color:rgba(255,255,255,.58);font-size:11.5px;margin-bottom:2px}
.metric-grid strong{display:block;color:#fff;font-size:16px;font-weight:700}
.chart{display:flex;align-items:end;gap:8px;height:76px;margin-top:18px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.chart i{flex:1;border-radius:4px 4px 2px 2px;
  background:linear-gradient(180deg,#9ce8ff,#2e8cff);animation:bar 2.8s ease-in-out infinite}
.chart i:nth-child(even){background:linear-gradient(180deg,#7ff0d8,#18b992);animation-delay:.5s}
.chart i:nth-child(3n){animation-delay:.9s}
@keyframes bar{0%,100%{opacity:.72;transform:scaleY(.96)}50%{opacity:1;transform:scaleY(1)}}
.settle-track{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}
.settle-track>span{color:rgba(255,255,255,.66);font-size:12px}
.track-line{position:relative;height:6px;margin:9px 0 8px;border-radius:999px;
  background:rgba(255,255,255,.14);overflow:hidden}
.track-line i{position:absolute;inset:0 30% 0 0;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--mint))}
.track-labels{display:flex;justify-content:space-between}
.track-labels small{color:rgba(255,255,255,.5);font-size:11px}

/* ========== 快捷入口 ========== */
.quick-dock{
  position:relative;z-index:5;width:min(var(--max),calc(100% - 40px));
  margin:-46px auto 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  overflow:hidden;border:1px solid rgba(46,140,255,.18);border-radius:12px;
  background:rgba(255,255,255,.94);box-shadow:0 22px 58px rgba(30,108,190,.16);
  backdrop-filter:blur(18px);
}
.quick-card{position:relative;display:block;padding:26px 22px 28px;
  border-right:1px solid rgba(46,140,255,.14);transition:background .25s,transform .25s}
.quick-card:last-child{border-right:0}
.quick-card:hover{background:linear-gradient(180deg,rgba(238,247,255,.92),rgba(255,255,255,.98))}
.quick-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;
  margin-bottom:14px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--cyan));
  box-shadow:0 8px 18px rgba(46,140,255,.24)}
.quick-icon svg{width:20px;height:20px}
.style-violet .quick-icon{background:linear-gradient(135deg,var(--violet),#a78bfa);box-shadow:0 8px 18px rgba(116,97,232,.24)}
.style-cyan .quick-icon{background:linear-gradient(135deg,var(--cyan),#38d9e8);box-shadow:0 8px 18px rgba(32,197,232,.24)}
.style-green .quick-icon{background:linear-gradient(135deg,var(--mint),#4ade80);box-shadow:0 8px 18px rgba(24,185,146,.24)}
.quick-tag{display:block;color:var(--brand-strong);font-size:12px;font-weight:700;margin-bottom:4px}
.quick-card strong{display:block;font-size:16.5px;margin-bottom:6px}
.quick-card small{color:var(--muted);font-size:13.5px;line-height:1.6;display:block}

/* ========== 统计带 ========== */
.stats-wrap{padding:52px clamp(20px,5vw,70px) 0}
.stats-band{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--line)}
.stat{background:#fff;padding:30px 22px;text-align:center}
.stat strong{display:block;font-size:34px;font-weight:800;line-height:1.15;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:14px}

/* ========== 通用区块 ========== */
.section{padding:clamp(72px,8vw,112px) clamp(20px,5vw,70px)}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.section-tag{display:inline-block;margin:0 0 14px;padding:5px 15px;border-radius:999px;
  background:rgba(46,140,255,.09);color:var(--brand-strong);font-size:13px;font-weight:700}
.section-head h2{margin:0 0 14px;font-size:clamp(26px,3vw,40px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-lead{color:var(--muted);font-size:16.5px;margin:0}
.section-alt{background:linear-gradient(180deg,#f8fcff,#eef7ff)}
.grid-4{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-3{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.feature-card{padding:28px 24px;border:1px solid var(--line);border-radius:12px;background:#fff;
  box-shadow:0 10px 30px rgba(30,108,190,.06);transition:transform .25s,box-shadow .25s,border-color .25s}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 24px 54px rgba(30,108,190,.16);border-color:#bcdcf7}
.feature-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;
  margin-bottom:16px;color:var(--brand);background:rgba(46,140,255,.1)}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{margin:0 0 10px;font-size:18px}
.feature-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.75}

.solution-card{padding:26px 24px;border-radius:12px;background:#fff;border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(30,108,190,.06);transition:transform .25s,box-shadow .25s}
.solution-card:hover{transform:translateY(-5px);box-shadow:0 22px 50px rgba(30,108,190,.15)}
.solution-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;
  margin-bottom:14px;color:var(--violet);background:rgba(116,97,232,.1)}
.solution-icon svg{width:21px;height:21px}
.solution-card h3{margin:0 0 8px;font-size:17px}
.solution-card p{margin:0;color:var(--muted);font-size:14.5px}

.platform-card{padding:28px 24px;border-radius:12px;color:#fff;
  background:linear-gradient(150deg,#0b2b5d,#155ba8 62%,#1f8fd0);
  box-shadow:0 22px 54px rgba(11,43,93,.24);transition:transform .25s,box-shadow .25s}
.platform-card:hover{transform:translateY(-6px);box-shadow:0 30px 66px rgba(11,43,93,.32)}
.platform-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;
  margin-bottom:16px;color:#9ce8ff;background:rgba(156,232,255,.14);border:1px solid rgba(156,232,255,.2)}
.platform-icon svg{width:21px;height:21px}
.platform-card h3{margin:0 0 10px;font-size:18px}
.platform-card p{margin:0;color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.75}
.platform-card .link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-weight:700;font-size:14px;color:#9ce8ff;border-bottom:1px solid rgba(156,232,255,.45);padding-bottom:2px}

/* ========== CTA ========== */
.cta{position:relative;overflow:hidden;color:#fff;text-align:center;
  padding:clamp(72px,8vw,110px) clamp(20px,5vw,70px);
  background:linear-gradient(120deg,#061e46,#0b3a76 52%,#1478bf)}
.cta::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 22%,rgba(46,140,255,.36),transparent 45%),
    radial-gradient(circle at 84% 80%,rgba(32,197,232,.28),transparent 45%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 96px)}
.cta-inner{position:relative;z-index:2;max-width:820px;margin:0 auto}
.cta h2{margin:0 0 14px;font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.25}
.cta p{color:rgba(255,255,255,.8);font-size:16.5px;margin:0 0 30px}
.cta .hero-actions{justify-content:center}

/* ========== 页脚 ========== */
.site-footer{
  position:relative;background:linear-gradient(180deg,#071f49,#04132c);
  color:rgba(255,255,255,.7);padding:0 clamp(20px,5vw,70px) 26px;font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 12% 0%,rgba(46,140,255,.16),transparent 42%),
             radial-gradient(circle at 88% 100%,rgba(32,197,232,.12),transparent 45%);
}

/* 合作伙伴栏 */
.footer-partners{
  position:relative;z-index:2;max-width:var(--max);margin:0 auto;
  padding:34px 0 30px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.partners-label{
  flex:0 0 auto;color:rgba(255,255,255,.62);font-size:13px;font-weight:600;
  padding-right:24px;border-right:1px solid rgba(255,255,255,.12);
}
.partners-list{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.partner{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  transition:background .25s,border-color .25s,transform .25s;
}
.partner:hover{background:rgba(255,255,255,.12);border-color:rgba(156,232,255,.34);transform:translateY(-2px)}
.partner img{width:22px;height:22px;object-fit:contain;filter:brightness(1.05)}
.partner i{font-style:normal;font-size:13.5px;color:rgba(255,255,255,.86);font-weight:600;white-space:nowrap}

/* 主体信息 */
.footer-inner{
  position:relative;z-index:2;max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:40px;padding:36px 0 32px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand strong{color:#fff;font-size:18px;letter-spacing:.01em}
.footer-brand p{margin:10px 0 0;color:rgba(255,255,255,.52);line-height:1.75}
.footer-brand .footer-slogan{margin-top:8px;font-size:13px;color:rgba(255,255,255,.4)}
.footer-col-title{display:block;color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.62);transition:color .2s,transform .2s}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column}
.footer-contact p{display:flex;align-items:center;gap:9px;margin:0 0 12px;color:rgba(255,255,255,.62)}
.footer-contact svg{width:16px;height:16px;flex:0 0 16px;color:#5eb8ff}

/* 底部：版权 + 备案（同一行） */
.footer-bottom{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07)}
.footer-legal{
  display:flex;align-items:center;justify-content:center;gap:10px 22px;flex-wrap:wrap;
}
.footer-legal a,.footer-legal>span{
  display:inline-flex;align-items:center;gap:7px;
  color:rgba(255,255,255,.5);font-size:12.5px;transition:color .2s;
}
.footer-legal a:hover{color:rgba(255,255,255,.85)}
.footer-legal svg{width:15px;height:15px;flex:0 0 15px;color:#4b9fe8}
.footer-copy{color:rgba(255,255,255,.42)}
.legal-sep{
  width:1px;height:13px;background:rgba(255,255,255,.18);flex:0 0 1px;
}

/* ========== 动画 ========== */
.reveal{opacity:1;transform:none}
.js-ready .reveal{opacity:0;transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);
  transition-delay:var(--reveal-delay,0ms)}
.js-ready .reveal.is-visible{opacity:1;transform:none}

/* ========== 响应式 ========== */
@media(max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-panel{justify-self:start;max-width:560px}
  .grid-4,.stats-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:1fr}
  .quick-dock{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-card:nth-child(2){border-right:0}
  .quick-card:nth-child(1),.quick-card:nth-child(2){border-bottom:1px solid rgba(46,140,255,.14)}
}
@media(max-width:880px){
  .site-nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);z-index:30;
    flex-direction:column;gap:0;padding:88px 8px 20px;background:rgba(248,252,255,.98);
    box-shadow:-20px 0 50px rgba(8,32,69,.2);transform:translateX(105%);
    transition:transform .3s;color:var(--ink)}
  .site-header.is-open .site-nav{transform:none}
  .site-nav a{padding:15px 22px;border-radius:8px;font-size:15.5px}
  .site-nav a::after{display:none}
  .site-nav a:hover{background:rgba(46,140,255,.08)}
  .header-action{display:none}
  .nav-toggle{display:flex;order:3;z-index:31}
  .hero{padding:106px 20px 62px;min-height:auto}
  .hero-panel{padding:20px;max-width:100%}
  .metric-main strong{font-size:34px}
  .grid-4,.stats-band,.quick-dock{grid-template-columns:1fr}
  .quick-card{border-right:0;border-bottom:1px solid rgba(46,140,255,.14)}
  .stat{padding:24px 18px}
  .stat strong{font-size:28px}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding:28px 0}
  .footer-partners{flex-direction:column;align-items:flex-start;gap:16px;padding:26px 0}
  .partners-label{padding-right:0;border-right:0}
  .partners-list{gap:10px}
  .partner{padding:7px 13px}
  .footer-legal{gap:12px 18px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-ready .reveal{opacity:1;transform:none;transition:none}
  .chart i{animation:none}
}
.nav-backdrop{position:fixed;inset:0;z-index:19;background:rgba(5,20,44,.52);opacity:0;
  pointer-events:none;transition:opacity .26s}
.nav-backdrop.active{opacity:1;pointer-events:auto}
body.nav-open{overflow:hidden}

/* ========== 微信二维码弹窗 ========== */
.qr-modal{position:fixed;inset:0;z-index:200;display:none}
.qr-modal.is-open{display:block}
.qr-modal-mask{position:absolute;inset:0;background:rgba(6,22,46,.72);backdrop-filter:blur(8px);
  animation:fadeIn .25s ease}
.qr-modal-box{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(380px,calc(100vw - 40px));padding:26px 26px 24px;
  background:#fff!important;background-color:#fff!important;opacity:1!important;border-radius:16px;
  box-shadow:0 40px 90px rgba(4,18,40,.5),0 0 0 1px rgba(255,255,255,.6);
  animation:popIn .3s cubic-bezier(.2,.8,.3,1.1);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{transform:translate(-50%,-46%) scale(.96)}to{transform:translate(-50%,-50%) scale(1)}}
.qr-modal-close{
  position:absolute;right:14px;top:14px;width:32px;height:32px;border:0;border-radius:9px;
  background:#f1f5f9;color:#64748b;cursor:pointer;display:grid;place-items:center;transition:.2s;
}
.qr-modal-close:hover{background:#e2e8f0;color:#0f172a}
.qr-modal-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.qr-modal-icon{
  display:grid;place-items:center;width:44px;height:44px;border-radius:12px;color:#fff;
  background:linear-gradient(135deg,#1aad19,#20c5e8);box-shadow:0 10px 22px rgba(26,173,25,.24);
}
.qr-modal-head strong{display:block;font-size:17px;color:#0f172a}
.qr-modal-head small{display:block;color:#64748b;font-size:13px;margin-top:2px}
.qr-modal-img{
  position:relative;padding:14px;border:1px solid #e2e8f0;border-radius:12px;background:#fff;
}
.qr-modal-img img{width:100%;display:block;border-radius:6px;object-fit:contain;max-height:300px}
.qr-modal-img::before,.qr-modal-img::after{
  content:"";position:absolute;width:22px;height:22px;border:2px solid #1aad19;border-radius:3px;
}
.qr-modal-img::before{left:6px;top:6px;border-right:0;border-bottom:0}
.qr-modal-img::after{right:6px;bottom:6px;border-left:0;border-top:0}
.qr-modal-tip{text-align:center;color:#94a3b8;font-size:13px;margin:14px 0 16px}
.qr-modal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

@media(max-width:880px){
  .qr-modal-box{padding:22px 20px 20px}
  .qr-modal-img img{max-height:240px}
}
body.qr-open{overflow:hidden}

/* ========== 右侧固定悬浮按钮 ========== */
.float-side{
  position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:120;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:64px;height:62px;border:0;border-radius:14px;cursor:pointer;
  color:#fff;font-size:11px;font-weight:600;text-decoration:none;line-height:1.15;
  background:rgba(11,43,93,.86);backdrop-filter:blur(10px);
  box-shadow:0 10px 26px rgba(6,22,46,.28);
  transition:transform .22s,box-shadow .22s,background .22s;
}
.float-btn svg{width:20px;height:20px;flex:0 0 20px}
.float-btn:hover{transform:translateX(-4px) scale(1.04);box-shadow:0 16px 34px rgba(6,22,46,.36)}
.float-btn span{white-space:nowrap;letter-spacing:.01em}
.float-wx{background:linear-gradient(135deg,#1aad19,#20c5e8);box-shadow:0 12px 28px rgba(26,173,25,.36)}
.float-wx:hover{box-shadow:0 18px 38px rgba(26,173,25,.46)}
.float-doc{background:linear-gradient(135deg,#2e8cff,#7461e8)}
.float-top{background:rgba(11,43,93,.72)}
.float-top:hover{background:rgba(11,43,93,.92)}
.float-btn span{line-height:1;letter-spacing:.02em}

/* 二维码空态 */
.qr-modal-img.is-empty{background:#f8fafc}
.qr-modal-img.is-empty::before,.qr-modal-img.is-empty::after{border-color:#cbd5e1}
.qr-empty{
  display:none;flex-direction:column;align-items:center;justify-content:center;
  min-height:220px;color:#94a3b8;text-align:center;padding:20px;
}
.qr-modal-img.is-empty .qr-empty{display:flex}
.qr-empty svg{color:#cbd5e1;margin-bottom:12px}
.qr-empty p{margin:0 0 6px;font-size:15px;color:#64748b;font-weight:600}
.qr-empty small{color:#94a3b8;font-size:12.5px;line-height:1.7}

@media(max-width:880px){
  .float-side{right:12px;gap:8px}
  .float-btn{width:54px;height:54px;border-radius:12px;font-size:10px}
  .float-btn svg{width:18px;height:18px}
}
@media(max-width:560px){
  .float-side{top:auto;bottom:16px;right:auto;left:50%;transform:translateX(-50%);flex-direction:row;gap:8px}
  .float-btn{width:52px;height:52px}
  .float-btn:hover{transform:scale(1.05)}
  .float-btn span{font-size:9.5px}
}