/* =========================================================
   指纹浏览器 - 官网 (比特布局复刻版)
   ========================================================= */
:root{
  --blue:#3370ff;
  --blue-2:#6593ff;
  --blue-deep:#165fff;
  --purple:#a53fff;
  --ink:#2a3142;
  --ink-2:#3a4356;
  --muted:#565f74;
  --muted-2:#8a94a6;
  --line:#e6ecf5;
  --bg-soft:#f4f9ff;
  --shadow:0 8px 30px rgba(27,52,110,.08);
  --shadow-lg:0 18px 50px rgba(27,52,110,.14);
  --radius:16px;
  --container:1240px;
  --header-h:72px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
.skip{position:absolute;left:-999px;top:0;z-index:2000}
.container{max-width:var(--container);width:92%;margin:0 auto}
section{scroll-margin-top:calc(var(--header-h) + 18px)}
svg{flex-shrink:0}

/* ---------- 通用按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(90.26deg,rgb(101,147,255) -1.1%,rgb(51,112,255) 99.77%);
  color:#fff;border:0;border-radius:14px;cursor:pointer;
  font-size:17px;padding:14px 44px;box-shadow:0 6px 18px rgba(51,112,255,.28);
  transition:box-shadow .2s,transform .2s,filter .2s;
}
.btn-primary:hover{filter:brightness(1.05);box-shadow:0 10px 26px rgba(51,112,255,.36);transform:translateY(-1px)}
.btn-primary:active{filter:brightness(.96)}
.btn-sm{padding:9px 22px;font-size:14px;border-radius:10px;font-weight:600}
.btn-lg{padding:16px 56px;font-size:19px;border-radius:16px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--blue);background:#fff;color:var(--blue);
  border-radius:14px;cursor:pointer;font-size:17px;padding:14px 44px;
  transition:background .2s,transform .2s;
}
.btn-outline:hover{background:rgba(51,112,255,.06)}
.btn-outline:active{background:rgba(51,112,255,.12)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(51,112,255,.6);background:rgba(255,255,255,.7);color:var(--blue);
  border-radius:16px;font-size:19px;padding:16px 56px;transition:background .2s;
}
.btn-ghost:hover{background:#fff}

/* ---------- 文字 ---------- */
.linear-font,.color-title{
  background:linear-gradient(90deg,rgb(22,95,255) -1.1%,rgb(165,63,255) 99.77%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.category-title{font-size:38px;font-weight:700;color:var(--ink);text-align:center;margin:0 0 10px}
.sub-center{text-align:center;color:var(--muted-2);font-size:15px;margin:6px 0 28px}
.section{padding:84px 0}

/* =========================================================
   顶栏
   ========================================================= */
.header{
  position:sticky;top:0;left:0;right:0;z-index:120;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s;
}
.header.scrolled{border-color:#e8eef8;box-shadow:0 6px 24px rgba(27,52,110,.06)}
.h-nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px}
.logo-txt{font-size:19px;font-weight:800;color:var(--ink);line-height:1.15}
.logo-txt small{display:block;font-size:10px;font-weight:600;color:#9aa4b6;letter-spacing:.4px}

.nav-link{display:flex;align-items:center;gap:4px;margin:0}
.nav-link>li{position:relative}
.nav-link>li>a.alink{
  display:inline-block;padding:24px 16px;color:#313a4b;font-size:15px;font-weight:500;
  position:relative;transition:color .2s;
}
.nav-link>li>a.alink:hover{color:var(--blue)}
.nav-link>li>a.alink::after{
  content:"";position:absolute;left:16px;right:16px;bottom:16px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--blue-2),var(--purple));opacity:0;transition:opacity .2s;
}
.nav-link>li>a.alink:hover::after{opacity:1}
.nav-link .ico{width:8px;height:8px;margin-left:4px;fill:currentColor;vertical-align:1px}

/* 下拉 */
.sub-menu{
  position:absolute;top:calc(100% - 4px);left:0;min-width:160px;background:#fff;
  border:1px solid #edf1fa;border-radius:14px;padding:8px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;
}
.sub-menu a{
  display:block;padding:10px 16px;border-radius:9px;color:#3a4356;font-size:14px;white-space:nowrap;
}
.sub-menu a:hover{background:#f1f6ff;color:var(--blue)}
.nav-link>li:hover .sub-menu,.nav-link>li:focus-within .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sub-menu-home{display:flex;flex-direction:column}

.menu-button{display:flex;align-items:center;gap:18px;flex-shrink:0}
.login-link{color:#313a4b;font-size:15px;font-weight:500;transition:color .2s}
.login-link:hover{color:var(--blue)}

/* 汉堡（移动端） */
.hamburger{display:none;position:relative;width:44px;height:44px;background:none;border:0;cursor:pointer;z-index:130}
.hamburger-line{
  position:absolute;left:9px;width:26px;height:2.5px;border-radius:2px;background:#333;
  transition:.25s;
}
.hamburger-line-top{top:14px}
.hamburger-line-middle{top:21px}
.hamburger-line-bottom{top:28px}
body.menu-open .hamburger-line-top{top:21px;transform:rotate(45deg)}
body.menu-open .hamburger-line-middle{opacity:0}
body.menu-open .hamburger-line-bottom{top:21px;transform:rotate(-45deg)}
body.menu-open{overflow:hidden}
.mask{display:none}

/* =========================================================
   Hero
   ========================================================= */
.banner{
  position:relative;overflow:hidden;height:664px;width:100%;
  background:linear-gradient(178deg,#e7efff 0%,#f5f7ff 46%,#ffffff 100%);
}
.halation{position:absolute;border-radius:50%;z-index:0;pointer-events:none}
.halation-header-1{left:calc(50% - 560px);top:-90px;width:420px;height:420px;background:rgb(116,119,255);filter:blur(300px);opacity:.5}
.halation-header-2{right:calc(50% - 760px);top:-90px;width:420px;height:420px;background:rgb(116,119,255);filter:blur(340px);opacity:.45}
.halation-header-3{right:calc(50% - 640px);top:180px;width:420px;height:420px;background:rgb(40,101,233);filter:blur(300px);opacity:.35}
.halation-d1{left:-160px;bottom:-160px;width:420px;height:420px;background:rgb(116,119,255);filter:blur(260px);opacity:.35}
.halation-d2{right:-140px;top:-140px;width:420px;height:420px;background:rgb(40,101,233);filter:blur(260px);opacity:.3}

.swiper{position:relative;width:100%;height:100%;z-index:5}
.swiper-wrapper{display:flex;height:100%;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.swiper-slide{flex:0 0 100%;height:100%}
.ban-content{
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  position:relative;z-index:5;padding:40px 0;
}
.ban-content .text{width:52%;text-align:left}
.ban-content .title{
  color:var(--ink);font-size:48px;line-height:1.45;font-weight:700;margin:0 0 22px;
}
.ban-content .title .linear-font{font-size:54px;font-weight:800;line-height:1.25;letter-spacing:.5px}
.ban-content .subtitle{font-size:20px;color:var(--muted);margin:0 0 34px}
.ban-content .btn-group{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.ban-content .cloud-phone{
  display:inline-flex;align-items:center;gap:6px;margin-top:34px;color:var(--blue);
  font-size:16px;font-weight:600;transition:gap .2s;
}
.ban-content .cloud-phone:hover{gap:10px}

/* 右侧产品截图 */
.ban-content .img{width:48%;display:flex;flex-direction:column;align-items:center;justify-content:center}
.app-mock{
  width:min(520px,100%);border-radius:18px;overflow:hidden;
  background:#fff;box-shadow:0 30px 70px rgba(22,60,140,.18);
  border:1px solid #eaf0fc;transform:rotate(.6deg);
}
.am-chrome{display:flex;align-items:center;gap:7px;height:38px;padding:0 16px;background:#f1f4fb;border-bottom:1px solid #e8edf7}
.am-chrome span{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.am-chrome span:nth-child(2){background:#febc2e}
.am-chrome span:nth-child(3){background:#28c840}
.am-chrome i{font-style:normal;font-size:12px;color:#9aa4b6;margin-left:8px;background:#fff;border:1px solid #e6ecf5;border-radius:7px;padding:3px 12px}
.am-body{padding:18px 18px 22px}
.am-row{display:flex;align-items:center;gap:12px;padding:12px 10px;border-bottom:1px dashed #eef2fa}
.am-row:last-child{border-bottom:0}
.am-avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#a9c4ff,#6593ff);flex-shrink:0}
.am-row:nth-child(even) .am-avatar{background:linear-gradient(135deg,#d2b5ff,#a53fff)}
.am-line{height:12px;border-radius:6px;background:#e9eef8}
.am-line.w60{width:60%}.am-line.w70{width:70%}.am-line.w80{width:80%}.am-line.w90{width:90%}
.am-badge{
  margin-left:auto;font-size:11px;color:#8a94a6;background:#f1f4fb;border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.am-badge.on{color:#16a34a;background:#e8f8ee}
.text-list{display:grid;grid-template-columns:repeat(3,auto);justify-content:center;gap:10px;margin-top:22px;max-width:520px}
.text-list li{
  font-size:12.5px;color:#2f62d8;background:rgba(255,255,255,.85);border:1px solid rgba(51,112,255,.25);
  padding:6px 14px;border-radius:999px;box-shadow:0 4px 12px rgba(51,112,255,.08);text-align:center;
}
.glow-card,.detect-card{
  background:rgba(255,255,255,.92);border:1px solid #eaf0fc;border-radius:22px;
  box-shadow:0 30px 70px rgba(22,60,140,.16);padding:40px 48px;text-align:center;
}
.glow-card span{font-size:15px;color:var(--muted-2)}
.glow-card strong{display:block;font-size:64px;font-weight:800;background:linear-gradient(90deg,var(--blue-deep),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1;margin:6px 0}
.glow-card i{font-style:normal;font-size:15px;color:var(--blue);font-weight:600}
.detect-card .ok{width:52px;height:52px;border-radius:50%;background:#17b26a;color:#fff;font-size:28px;line-height:52px;text-align:center;display:inline-block;margin-bottom:14px}
.detect-card b{display:block;font-size:22px;color:var(--ink);margin-bottom:6px}
.detect-card i{font-style:normal;color:var(--muted-2);font-size:14px}

/* 轮播分页 */
.swiper-pagination{display:flex;justify-content:center;gap:8px;position:absolute;bottom:22px;left:0;right:0;z-index:6}
.swiper-pagination .dot{width:9px;height:9px;border-radius:999px;background:#c8d4ec;cursor:pointer;transition:.3s}
.swiper-pagination .dot.active{width:26px;background:linear-gradient(90deg,var(--blue),var(--purple))}

/* =========================================================
   什么是指纹浏览器
   ========================================================= */
.what-is{background:#fff}
.brand-name{text-align:center;color:var(--blue);font-size:22px;font-weight:700;margin:6px 0 34px}
.what-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start}
.what-text p{color:#4a5468;font-size:15.5px;line-height:2;margin:0 0 16px;text-align:justify}
.what-text strong{color:var(--blue-deep)}
.fingerprint-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.fp-item{
  background:var(--bg-soft);border:1px solid #e8effa;border-radius:14px;padding:14px 16px;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.fp-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);background:#fff}
.fp-item dt{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:#2b3a56}
.fp-item dt svg{width:19px;height:19px;fill:var(--blue)}
.fp-item dd{margin:7px 0 0;font-size:12px;color:var(--muted-2);line-height:1.5}

/* =========================================================
   能做什么
   ========================================================= */
.can-do{background:var(--bg-soft)}
.can-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.can-card{
  background:#fff;border:1px solid #e9effa;border-radius:18px;padding:30px 26px;
  box-shadow:0 6px 22px rgba(27,52,110,.05);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.can-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(51,112,255,.35)}
.can-card .icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf1ff,#f3ecff);
}
.can-card .icon svg{width:28px;height:28px;fill:var(--blue)}
.can-card h3{font-size:18.5px;color:var(--ink);margin:18px 0 10px}
.can-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}

/* =========================================================
   口碑
   ========================================================= */
.reviews{background:#fff}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.review-card{
  background:#fff;border:1px solid #e9effa;border-radius:18px;padding:28px 26px;
  box-shadow:0 8px 26px rgba(27,52,110,.06);display:flex;flex-direction:column;
}
.review-card .stars{color:#ffb400;font-size:19px;letter-spacing:3px;margin-bottom:14px}
.review-card blockquote{
  margin:0 0 22px;color:#414b60;font-size:15px;line-height:1.9;flex:1;
}
.review-card figcaption{display:flex;align-items:center;gap:12px}
.review-card .avatar{width:42px;height:42px;border-radius:50%;flex-shrink:0}
.av1{background:linear-gradient(135deg,#9ec1ff,#5b8bff)}
.av2{background:linear-gradient(135deg,#ffc3a0,#ff8a5c)}
.av3{background:linear-gradient(135deg,#b6e0ff,#4f9dff)}
.review-card b{display:block;font-size:15px;color:var(--ink)}
.review-card i{font-style:normal;font-size:12.5px;color:var(--muted-2)}

/* =========================================================
   出海资讯
   ========================================================= */
.news{background:var(--bg-soft)}
.news-tabs{display:flex;justify-content:center;gap:12px;margin:6px 0 30px}
.news-tab{
  border:1px solid #d5e0f3;background:#fff;color:#4a5468;border-radius:999px;
  padding:9px 30px;font-size:15px;cursor:pointer;transition:.2s;
}
.news-tab:hover{border-color:var(--blue);color:var(--blue)}
.news-tab.active{background:linear-gradient(90deg,rgb(101,147,255),rgb(51,112,255));color:#fff;border-color:transparent}
.news-panel{display:none}
.news-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:18px;animation:fade .35s}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.news-card{
  background:#fff;border:1px solid #e9effa;border-radius:16px;padding:22px 24px;
  display:block;transition:transform .2s,box-shadow .2s;cursor:pointer;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(51,112,255,.3)}
.news-card time{font-size:12.5px;color:var(--muted-2);display:block;margin-bottom:8px}
.news-card h3{font-size:16.5px;color:var(--ink);margin:0 0 8px;line-height:1.55}
.news-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more-link{grid-column:1 / -1;text-align:center;margin-top:14px}
.more-link a{color:var(--blue);font-size:15px;font-weight:600}
.more-link a:hover{text-decoration:underline}

/* =========================================================
   FAQ
   ========================================================= */
.faq{background:#fff}
.faq-list{max-width:900px;margin:34px auto 0}
.faq-item{
  border:1px solid #e8eef8;border-radius:14px;background:#fff;margin-bottom:12px;
  box-shadow:0 4px 14px rgba(27,52,110,.04);overflow:hidden;
}
.faq-item summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:18px 24px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{
  color:var(--blue);font-size:22px;font-weight:400;width:24px;height:24px;text-align:center;line-height:22px;
  transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary .chev{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--blue)}
.faq-item p{padding:0 24px 20px;margin:0;color:var(--muted);font-size:14.5px;line-height:1.95;border-top:1px dashed #edf1fa;padding-top:14px}

/* =========================================================
   案例
   ========================================================= */
.cases{background:var(--bg-soft)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.case-card{
  display:block;background:#fff;border:1px solid #e9effa;border-radius:18px;padding:30px 28px;
  transition:transform .25s,box-shadow .25s;cursor:pointer;position:relative;overflow:hidden;
}
.case-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--blue-2),var(--purple));opacity:.0;transition:opacity .25s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-card:hover::before{opacity:1}
.case-card h3{font-size:18px;color:var(--ink);margin:0 0 12px}
.case-card p{font-size:14px;color:var(--muted);line-height:1.9;margin:0 0 18px}
.case-more{color:var(--blue);font-size:14.5px;font-weight:600}

/* =========================================================
   下载 CTA
   ========================================================= */
.download-banner{position:relative;overflow:hidden;background:linear-gradient(120deg,#e7efff,#f4f2ff 55%,#eef5ff);text-align:center}
.dl-inner{position:relative;z-index:2;padding:96px 0}
.dl-inner .color-title{font-size:clamp(28px,4vw,50px);font-weight:800;line-height:1.4;display:block}
.dl-inner>p{font-size:18px;color:var(--muted);margin:20px 0 40px}
.dl-inner .btn-group{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.dl-note{margin-top:22px;font-size:13px;color:var(--muted-2)}

/* =========================================================
   页脚
   ========================================================= */
.footer{background:#0e1a38;color:#c3cde2}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:34px;padding:64px 0 44px}
.f-brand .logo-txt{color:#fff}
.f-brand .logo-txt small{color:#7d8cb0}
.f-slogan{color:#93a1c2;font-size:14px;line-height:1.9;margin:18px 0 24px;max-width:280px}
.f-service h4{color:#fff;font-size:15px;margin:0 0 12px}
.f-service p{color:#93a1c2;font-size:14px;line-height:1.9;margin:0}
.f-col h4{color:#fff;font-size:15.5px;font-weight:700;margin:0 0 16px}
.f-col ul li{margin-bottom:12px}
.f-col ul li a{color:#93a1c2;font-size:14px;transition:color .2s,padding-left .2s}
.f-col ul li a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-bottom p{color:#7d8cb0;font-size:13px;margin:0}
.footer-bottom .icp{color:#6b7ba0}

/* 客服悬浮 & toast */
.kefu-float{
  position:fixed;right:26px;bottom:110px;z-index:110;width:56px;height:56px;border:0;border-radius:50%;cursor:pointer;
  background:linear-gradient(135deg,#7ea6ff,#3370ff);box-shadow:0 10px 24px rgba(51,112,255,.4);
  display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s;
}
.kefu-float:hover{transform:scale(1.08);box-shadow:0 14px 30px rgba(51,112,255,.5)}
.toast{
  position:fixed;left:50%;bottom:44px;transform:translateX(-50%) translateY(16px);z-index:300;
  background:rgba(30,38,58,.94);color:#fff;font-size:14px;padding:12px 24px;border-radius:12px;
  box-shadow:0 12px 30px rgba(0,0,0,.2);opacity:0;pointer-events:none;transition:.28s;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* =========================================================
   滚动显现
   ========================================================= */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.6,.3,1),transform .7s cubic-bezier(.2,.6,.3,1)}
.rv.in{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1100px){
  .nav-link,.menu-button{display:none}
  .hamburger{display:block}
  .header .h-nav{justify-content:space-between}
  /* 移动菜单 */
  .nav-link.open,.menu-button.open{display:flex}
  .nav-link.open{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:119;
    background:#fff;flex-direction:column;align-items:flex-start;gap:0;
    padding:10px 24px 30px;overflow:auto;box-shadow:0 20px 40px rgba(0,0,0,.12);
  }
  .nav-link.open>li{width:100%;border-bottom:1px solid #f0f3fa}
  .nav-link.open>li>a.alink{display:block;width:100%;padding:16px 4px;font-size:16px}
  .nav-link.open>li>a.alink::after{display:none}
  .nav-link.open .sub-menu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;padding:2px 0 12px 14px;display:none;
  }
  .nav-link.open li.open-sub .sub-menu{display:flex;flex-direction:column}
  .menu-button.open{position:fixed;bottom:0;left:0;right:0;z-index:119;background:#fff;padding:14px 24px 22px;border-top:1px solid #eef1f8}
  .menu-button.open{justify-content:center}
  .mask{display:block}
  .mask.show{position:fixed;inset:0;background:rgba(10,16,32,.4);z-index:118}
}
@media (max-width:1024px){
  .section{padding:60px 0}
  .category-title{font-size:30px}
  .ban-content .title{font-size:34px}
  .ban-content .title .linear-font{font-size:44px}
  .can-grid,.review-grid,.case-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .banner{height:auto}
  .ban-content{flex-direction:column;justify-content:center;gap:26px;padding:52px 0 70px}
  .ban-content .text,.ban-content .img{width:100%;text-align:center}
  .ban-content .btn-group{justify-content:center}
  .ban-content .cloud-phone{justify-content:center}
  .what-grid{grid-template-columns:1fr;gap:30px}
  .fingerprint-list{grid-template-columns:repeat(2,1fr)}
  .dl-inner{padding:64px 0}
}
@media (max-width:620px){
  .category-title{font-size:26px;line-height:1.5}
  .ban-content .title{font-size:28px}
  .ban-content .title .linear-font{font-size:36px}
  .ban-content .subtitle{font-size:16px}
  .btn-primary,.btn-outline{padding:12px 30px;font-size:15px;border-radius:12px}
  .can-grid,.review-grid,.case-grid,.news-panel.active{grid-template-columns:1fr}
  .fingerprint-list{grid-template-columns:repeat(2,1fr);gap:10px}
  .fp-item{padding:12px 12px}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom .container{flex-direction:column;text-align:center}
  .news-tabs{gap:8px}
  .news-tab{padding:8px 18px;font-size:14px}
}

/* ===== 网站登录/注册 ===== */
.wa-overlay{position:fixed;inset:0;z-index:400;background:rgba(14,24,48,.55);display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.wa-overlay.show{display:flex}
.wa-box{width:420px;max-width:94vw;background:#fff;border-radius:18px;box-shadow:0 30px 80px rgba(20,40,100,.28);padding:24px 30px 28px;position:relative;max-height:92vh;overflow:auto}
.wa-close{position:absolute;right:18px;top:12px;font-size:26px;line-height:1;color:#98a1b0;cursor:pointer;user-select:none}
.wa-close:hover{color:var(--blue)}
.wa-tabs{display:flex;gap:28px;margin-bottom:6px}
.wa-tabs button{background:none;border:0;padding:4px 0 10px;font-size:17px;font-weight:700;color:#98a1b0;cursor:pointer;border-bottom:3px solid transparent}
.wa-tabs button.active{color:var(--blue);border-bottom-color:var(--blue)}
.wa-field{margin-top:6px}
.wa-field label{display:block;font-size:13px;color:#5a6478;margin:12px 0 6px}
.wa-field input{width:100%;border:1px solid #dde4f0;border-radius:10px;padding:11px 13px;font-size:14px;outline:none;color:#2a3142;background:#fff}
.wa-field input:focus{border-color:var(--blue)}
.wa-code{display:flex;gap:10px;align-items:flex-end}
.wa-code input{flex:1}
.wa-codebtn{white-space:nowrap;background:#eef4ff;color:var(--blue);border:1px solid #cfe0ff;border-radius:10px;padding:11px 14px;font-size:13px;cursor:pointer;line-height:1.2;height:44px}
.wa-codebtn:hover{background:#e2edff}
.wa-codebtn:disabled{opacity:.6;cursor:default}
.wa-submit{width:100%;margin-top:18px;font-size:16px;padding:13px}
.wa-msg{min-height:18px;margin-top:8px;font-size:12.5px;color:#e5533c;text-align:center;line-height:1.6}
.wa-msg:empty{min-height:0;margin-top:0}
.wa-switch{margin-top:16px;text-align:center;font-size:13px;color:#7a8499}
.wa-switch a{color:var(--blue);font-weight:600;margin-left:4px;cursor:pointer}
.wa-switch a:hover{text-decoration:underline}
.wa-tip{margin:14px 0 0;text-align:center;font-size:11.5px;color:#a0a9bc;line-height:1.6}
.web-user{display:flex;align-items:center;gap:10px;font-size:14px;color:#313a4b}
.web-user b{font-weight:700;color:var(--ink);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#webLogoutBtn{color:var(--blue);font-size:13px}
@media(max-width:620px){ .wa-box{width:100%} }