:root{
  --blue:#1352f0;
  --blue-2:#2f7bff;
  --blue-deep:#0a2f9e;
  --ink:#0c1a3a;
  --body:#3b4a6b;
  --line:#dce5fb;
  --soft:#eef3ff;
  --radius:18px;
  --shadow:0 12px 30px rgba(16,50,140,.09);
  --shadow-lg:0 22px 50px rgba(16,50,140,.17);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:#f4f7ff;
  color:var(--body);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(820px 480px at 10% -6%, rgba(47,123,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(19,82,240,.14), transparent 66%),
    linear-gradient(180deg,#f6f9ff 0%,#eef3ff 45%,#f5f8ff 100%);
}
img{max-width:100%;height:auto;border:0}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--blue);text-decoration:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.5px;
  color:var(--blue);
  background:#e7eeff;
  border:1px solid #cfe0ff;
  border-radius:999px;
  padding:4px 14px;
  margin:0 0 14px;
}
.sec-head{max-width:840px;margin:0 0 38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.sec-desc{color:var(--body);font-size:15.5px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,#2f7bff,#0f45d8);
  color:#fff;
  box-shadow:0 12px 26px rgba(19,82,240,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(19,82,240,.42)}
.btn-ghost{
  background:#fff;
  color:var(--blue-deep);
  border-color:#c8d9ff;
  box-shadow:0 6px 16px rgba(16,50,140,.08);
}
.btn-ghost:hover{transform:translateY(-3px);background:#f4f8ff;border-color:#a9c6ff}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid #e2eafc;
  box-shadow:0 4px 20px rgba(16,50,140,.06);
}
.nav{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .ai-page-logo{height:34px;width:auto;display:block}
.brand-text{font-size:17px;font-weight:800;color:var(--blue-deep);letter-spacing:.5px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links li{flex:0 0 auto}
.nav-links a{
  display:block;
  padding:9px 11px;
  font-size:14.5px;
  font-weight:500;
  color:#26365c;
  border-radius:9px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--blue);background:var(--soft)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid #cfdcf8;
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--blue);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-cta{flex:0 0 auto}

/* ============ Hero ============ */
.hero{position:relative;padding:58px 0 30px;overflow:hidden}
.hero::before{
  content:"";
  position:absolute;
  top:-140px;left:50%;
  width:1100px;height:620px;
  transform:translateX(-50%);
  background:
    radial-gradient(420px 300px at 22% 30%, rgba(47,123,255,.26), transparent 70%),
    radial-gradient(420px 300px at 78% 18%, rgba(19,82,240,.20), transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:48px;
  align-items:center;
}
.hero h1{font-size:clamp(30px,4.2vw,48px);letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--blue-deep)}
.hero-lead{font-size:16.5px;color:var(--body);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.hero-note{font-size:13.5px;color:#5c6b8b;display:flex;align-items:center;gap:8px}
.hero-note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue-2);box-shadow:0 0 0 4px rgba(47,123,255,.18)}
.console{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:0 26px 60px rgba(12,44,130,.16);
  overflow:hidden;
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.console-bar{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 16px;
  background:linear-gradient(135deg,#eef4ff,#e2ecff);
  border-bottom:1px solid #dbe6fb;
}
.console-bar .dot{width:9px;height:9px;border-radius:50%;background:#9db9ff}
.console-bar .dot:nth-child(2){background:#7fa6ff}
.console-bar .dot:nth-child(3){background:#5f8dff}
.console-title{margin-left:8px;font-size:13px;font-weight:700;color:var(--blue-deep);letter-spacing:.5px}
.console-body{padding:18px}
.console-label{font-size:12.5px;font-weight:700;color:#61729a;letter-spacing:1px;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chips li{
  font-size:12.5px;
  font-weight:600;
  color:var(--blue-deep);
  background:#eaf1ff;
  border:1px solid #d5e3ff;
  border-radius:8px;
  padding:4px 10px;
  transition:transform .2s ease,background .2s ease;
}
.chips li:hover{transform:translateY(-2px);background:#ddeaff}
.console-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cc{
  background:#f7faff;
  border:1px solid #e3ebfb;
  border-radius:12px;
  padding:11px 12px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.cc strong{font-size:13.5px;color:var(--ink)}
.cc span{font-size:11.5px;color:#6b7a99}

/* ============ 数据条 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px 16px;
  box-shadow:var(--shadow);
  margin-top:40px;
}
.stat{text-align:center;padding:6px 10px;border-right:1px solid #eef2fd}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--blue-deep);line-height:1.2}
.stat span{font-size:13px;color:#5c6b8b}

/* ============ 通用卡片 ============ */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#bcd3ff}

/* ============ 关于我们 ============ */
.about-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.about-main{padding:28px}
.about-main p{font-size:15.5px;margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag-cloud span{
  font-size:13px;
  font-weight:600;
  color:var(--blue-deep);
  background:#edf3ff;
  border:1px solid #d6e3ff;
  border-radius:999px;
  padding:5px 14px;
  transition:background .2s ease,transform .2s ease;
}
.tag-cloud span:hover{background:#dfeaff;transform:translateY(-2px)}
.about-side{padding:24px}
.about-side h3{font-size:17px;margin-bottom:16px}
.cap-list{display:flex;flex-direction:column;gap:14px}
.cap-list li{display:flex;gap:11px;align-items:flex-start}
.cap-list li::before{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  margin-top:9px;
  border-radius:50%;
  background:linear-gradient(135deg,#2f7bff,#0f45d8);
  box-shadow:0 0 0 4px rgba(47,123,255,.14);
}
.cap-list strong{display:block;font-size:14.5px;color:var(--ink)}
.cap-list span{font-size:13px;color:#647395}

.banner-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
.banner-pair figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.banner-pair .media{aspect-ratio:16/9;background:#eef3ff;display:flex;align-items:center;justify-content:center;padding:8px}
.banner-pair img{width:100%;height:100%;object-fit:contain;display:block}
.banner-pair figcaption{padding:12px 16px;font-size:13.5px;color:#4a5a7c}

/* ============ 服务能力 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{padding:24px;display:flex;flex-direction:column;gap:10px}
.svc-icon{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,#2f7bff,#0f45d8);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 10px 20px rgba(19,82,240,.26);
}
.svc h3{font-size:17px}
.svc p{font-size:14px;color:#5a688a}
.scene-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;justify-content:center}
.scene-chips li{
  font-size:13px;
  color:#33466e;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.scene-chips li:hover{border-color:#a9c6ff;color:var(--blue);transform:translateY(-2px)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 18px;
  box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:#eaf1ff;color:var(--blue-deep);
  font-weight:800;font-size:15px;margin-bottom:12px;
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.2px;color:#5f6d8f}

/* ============ 行业方案 ============ */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sol{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 18px;
  box-shadow:0 8px 20px rgba(16,50,140,.06);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.sol:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#bcd3ff}
.sol h3{font-size:15.5px;margin-bottom:8px;color:var(--blue-deep)}
.sol p{font-size:13.2px;color:#5f6d8f}

/* ============ 服务网络 ============ */
.network{
  background:linear-gradient(135deg,#f4f8ff,#e8f0ff);
  border:1px solid #d5e3ff;
  border-radius:22px;
  padding:30px 26px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.net-item{padding:4px 0}
.net-item h3{font-size:15.5px;margin-bottom:8px}
.net-item p{font-size:13.2px;color:#54658a}

/* ============ 案例中心 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{margin:0;overflow:hidden;transition:transform .28s ease,box-shadow .28s ease}
.case .media{aspect-ratio:4/3;background:#eef3ff;display:flex;align-items:center;justify-content:center;padding:10px}
.case img{width:100%;height:100%;object-fit:contain;display:block}
.case figcaption{padding:14px 18px;font-size:13.8px;color:#45557a;border-top:1px solid #eef2fd}

/* ============ 对比评测 ============ */
.compare-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start}
.score-card{padding:30px 26px;text-align:center;background:linear-gradient(160deg,#eef4ff,#ffffff)}
.score-num{font-size:56px;font-weight:800;color:var(--blue-deep);line-height:1;letter-spacing:-2px}
.score-total{font-size:15px;color:#5f6d8f;margin-left:6px}
.stars{color:#ff9f1a;font-size:22px;letter-spacing:4px;margin:14px 0 10px}
.score-card p{font-size:14.5px;color:#41527a}
.score-card .score-note{font-size:13px;color:#6a7899;margin-top:12px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:14px}
thead th{
  background:#eaf1ff;color:var(--blue-deep);font-weight:800;
  text-align:left;padding:14px 16px;white-space:nowrap;
  border-bottom:1px solid #d8e4fb;
}
tbody td{padding:13px 16px;border-bottom:1px solid #f0f4fd;color:#3f4f73;vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#f8fbff}
tbody td:first-child{font-weight:700;color:var(--ink)}
td.hl{color:var(--blue-deep);font-weight:700;background:#f5f9ff}

/* ============ Token 比价 ============ */
.token-grid{display:grid;grid-template-columns:1fr;gap:18px}
.token-note{font-size:13px;color:#647395;margin-top:14px}

/* ============ 需求匹配 ============ */
.match-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.match{padding:22px;display:flex;flex-direction:column;gap:10px}
.match h3{font-size:16px}
.match p{font-size:13.5px;color:#5f6d8f}
.match .link{
  margin-top:auto;font-size:13.5px;font-weight:700;color:var(--blue);
  display:inline-flex;align-items:center;gap:6px;
}
.match .link::after{content:"→";transition:transform .2s ease}
.match:hover .link::after{transform:translateX(4px)}

/* ============ 用户评论 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{padding:24px;display:flex;flex-direction:column;gap:14px}
.review-text{font-size:14.2px;color:#41527a}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2f7bff,#0f45d8);
  color:#fff;font-weight:800;font-size:15px;
}
.review-user strong{display:block;font-size:14px;color:var(--ink)}
.review-user span{font-size:12.5px;color:#6a7899}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 18px rgba(16,50,140,.06);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item.open{border-color:#a9c6ff;box-shadow:0 14px 30px rgba(16,50,140,.12)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:17px 20px;
  background:transparent;
  border:0;
  cursor:pointer;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:22px;height:22px;border-radius:50%;
  background:#eaf1ff;
  transition:background .25s ease,transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--blue);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .25s ease}
.faq-item.open .faq-icon{background:#dbe8ff;transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 20px 18px;font-size:14.2px;color:#4d5d80}

/* ============ 资讯 ============ */
.news-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.article-panel,.link-panel{padding:26px}
.article-panel h3,.link-panel h3{font-size:17px;margin-bottom:16px}
.ai-articles{font-size:14px;color:#4d5d80;line-height:2}
.article-links{display:flex;flex-direction:column;gap:12px}
.article-links a{
  display:block;
  font-size:14px;
  color:#2c3d63;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:11px;
  background:#f9fbff;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.article-links a:hover{border-color:#a9c6ff;color:var(--blue);background:#f0f6ff;transform:translateX(4px)}

/* ============ 加盟代理 ============ */
.join{
  background:linear-gradient(135deg,#eaf1ff,#dbe8ff);
  border:1px solid #c9dcff;
  border-radius:24px;
  padding:38px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
}
.join h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.join p{font-size:14.5px;color:#41527a;max-width:640px}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.contact-form{padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:#2c3d63}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14.5px;
  color:var(--ink);
  background:#f9fbff;
  border:1px solid #d7e2f8;
  border-radius:11px;
  padding:11px 13px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--blue-2);
  background:#fff;
  box-shadow:0 0 0 4px rgba(47,123,255,.14);
}
.form-submit{grid-column:1/-1}
.btn-block{width:100%}
.contact-info{padding:26px;display:flex;flex-direction:column;gap:16px}
.info-list{display:flex;flex-direction:column;gap:12px}
.info-list li{font-size:14px;color:#3f4f73;display:flex;gap:10px;align-items:flex-start}
.info-list li strong{color:var(--ink);font-weight:700;flex:0 0 auto}
.qr-box{
  display:flex;gap:16px;align-items:center;
  background:#f5f9ff;border:1px solid #e0eafc;border-radius:14px;padding:14px;
}
.qr-box img{width:112px;height:auto;border-radius:10px;display:block;background:#fff}
.qr-box p{font-size:13px;color:#5f6d8f}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  background:#e9efff;
  border-top:1px solid #d3dffb;
  color:#1c2a4a;
  padding:44px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:28px;align-items:start}
.footer-title{font-size:18px;font-weight:800;color:var(--blue-deep);margin-bottom:10px}
.footer-desc{font-size:13.5px;color:#33456b;margin-bottom:12px}
.footer-link-line{font-size:13.5px;color:#33456b}
.footer-link-line a{color:var(--blue-deep);font-weight:700}
.footer-link-line a:hover{text-decoration:underline}
.footer-h{font-size:14.5px;font-weight:800;color:var(--blue-deep);margin-bottom:12px}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col li{font-size:13.5px;color:#33456b}
.footer-links a{color:#2a3c66;font-size:13.5px;transition:color .2s ease}
.footer-links a:hover{color:var(--blue);text-decoration:underline}
.copyright{
  margin-top:30px;
  padding-top:18px;
  border-top:1px solid #d3dffb;
  font-size:13px;
  color:#41527a;
  text-align:center;
}

/* ============ 浮动组件 ============ */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.float-panel{
  display:none;
  width:236px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 20px 46px rgba(16,50,140,.2);
  padding:16px;
}
.float-panel.open{display:block;animation:popIn .25s ease both}
@keyframes popIn{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
.float-panel h4{font-size:14px;margin-bottom:10px;color:var(--blue-deep)}
.float-panel img{width:100%;max-width:150px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;background:#f5f9ff}
.float-panel p{font-size:12.5px;color:#4d5d80;line-height:1.8}
.float-btns{display:flex;flex-direction:column;gap:10px}
.float-btn{
  width:52px;height:52px;
  border-radius:50%;
  border:0;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2f7bff,#0f45d8);
  color:#fff;
  font-size:13px;
  font-weight:700;
  box-shadow:0 14px 28px rgba(19,82,240,.34);
  transition:transform .22s ease,box-shadow .22s ease;
  font-family:inherit;
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(19,82,240,.44)}
.float-btn.top{background:#fff;color:var(--blue-deep);border:1px solid #c8d9ff;box-shadow:0 10px 22px rgba(16,50,140,.16)}

/* ============ 动效 ============ */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .console{animation:none}
  .card:hover,.step:hover,.sol:hover,.btn:hover,.float-btn:hover{transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .network{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border:1px solid #e2eafc;
    border-radius:0 0 16px 16px;
    padding:8px 14px 14px;
    box-shadow:0 22px 40px rgba(16,50,140,.16);
    max-height:70vh;
    overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-bottom:1px solid #f1f5ff;border-radius:0}
  .nav-links li:last-child a{border-bottom:0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding-top:44px}
  .about-grid{grid-template-columns:1fr}
  .compare-wrap{grid-template-columns:1fr}
  .news-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .section{padding:48px 0}
  .stats{grid-template-columns:1fr 1fr;padding:18px 12px}
  .stat{border-right:0}
  .stat:nth-child(odd){border-right:1px solid #eef2fd}
  .svc-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .network{grid-template-columns:1fr}
  .banner-pair{grid-template-columns:1fr}
  .match-grid{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr;padding:22px}
  .join{padding:28px 22px;text-align:left}
  .hero-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .float-tools{right:14px;bottom:16px}
}
@media (max-width:480px){
  .steps{grid-template-columns:1fr}
  .chips li{font-size:12px}
  .console-cards{grid-template-columns:1fr}
}