:root{
  --ink:#0f1533;
  --ink-2:#3c4463;
  --muted:#5f6889;
  --line:#e3eaf9;
  --blue:#0b7bff;
  --violet:#6a3cff;
  --magenta:#c026b8;
  --radius:18px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:#f4f7ff;
}
.bg-layer{
  position:fixed;
  inset:0;
  z-index:-1;
  overflow:hidden;
  background:linear-gradient(180deg,#e9f0ff 0%,#f6f9ff 42%,#f2f6ff 100%);
}
.bg-layer::before,
.bg-layer::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(14px);
}
.bg-layer::before{
  width:620px;height:620px;left:-200px;top:-160px;
  background:radial-gradient(circle,rgba(11,123,255,.20),rgba(11,123,255,0) 68%);
  animation:drift 18s ease-in-out infinite;
}
.bg-layer::after{
  width:660px;height:660px;right:-240px;top:22%;
  background:radial-gradient(circle,rgba(192,38,184,.16),rgba(192,38,184,0) 68%);
  animation:drift 23s ease-in-out infinite reverse;
}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0);}
  50%{transform:translate3d(28px,42px,0);}
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
section[id],div[id]{scroll-margin-top:86px;}
h1,h2,h3{color:var(--ink);font-weight:700;}
img{max-width:100%;}
a{color:inherit;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand .logo-box{display:flex;align-items:center;height:36px;}
.brand .ai-page-logo{display:block;width:auto;max-height:36px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16.5px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.12em;}
.header-right{display:flex;align-items:center;gap:14px;}
.site-nav{display:flex;align-items:center;}
.nav-links{
  display:flex;align-items:center;gap:0;
  list-style:none;margin:0;padding:0;
}
.nav-links a{
  display:block;padding:9px 11px;border-radius:10px;
  font-size:14px;color:var(--ink-2);text-decoration:none;
  transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:#0a2a6b;background:rgba(11,123,255,.09);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#0b7bff,#6a3cff 58%,#c026b8);
  color:#ffffff;
  box-shadow:0 14px 28px -16px rgba(64,60,220,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(64,60,220,.95);}
.btn-ghost{
  background:#ffffff;color:var(--ink);border-color:#d8e2f8;
  box-shadow:0 8px 18px -14px rgba(20,30,80,.6);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#8fbaff;color:#0a2a6b;}
.btn:active{transform:translateY(0) scale(.985);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:38px;padding:0 10px;border:1px solid #dde5f7;border-radius:10px;
  background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#2b3358;transition:transform .25s ease,opacity .25s 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);}

/* ---------- hero ---------- */
.hero{padding:58px 0 18px;}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:42px;align-items:start;
}
.eyebrow{
  display:inline-block;padding:5px 15px;border-radius:999px;
  background:rgba(11,123,255,.1);color:#0b4fa8;
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,45px);line-height:1.22;
  margin:16px 0 18px;letter-spacing:-.02em;
}
.hl{background:linear-gradient(180deg,rgba(11,123,255,0) 60%,rgba(11,123,255,.24) 60%);}
.hero-lead{margin:0 0 26px;font-size:16px;color:#464e6f;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--magenta));opacity:.9;
}
.hero-panel{display:grid;gap:14px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;
  box-shadow:0 16px 34px -26px rgba(18,32,90,.5);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:#b9d3ff;box-shadow:0 22px 40px -24px rgba(18,32,90,.55);}
.stat-card strong{display:block;font-size:26px;line-height:1.2;letter-spacing:-.02em;}
.stat-card strong em{font-size:14px;font-style:normal;font-weight:600;color:#6b7494;margin-left:2px;}
.stat-card span{display:block;margin-top:4px;font-size:13px;color:var(--muted);}
.score-strip{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:14px 18px;border-radius:16px;font-size:14px;color:#2b3358;
  background:linear-gradient(120deg,rgba(11,123,255,.1),rgba(192,38,184,.1));
  border:1px solid #d8e4ff;
}
.stars{color:#f2891b;letter-spacing:2px;font-size:15px;}
.model-cloud{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:38px;padding-top:26px;border-top:1px dashed #cfdcf5;
}
.cloud-title{font-size:13px;color:#6b7494;margin-right:4px;}
.chip{
  padding:5px 12px;border-radius:999px;background:#fff;border:1px solid #dfe7f8;
  font-size:13px;color:var(--ink-2);
  transition:transform .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.chip:hover{
  transform:translateY(-2px);border-color:#8fbaff;color:#0b4fa8;
  box-shadow:0 10px 20px -16px rgba(11,123,255,.9);
}

/* ---------- generic section ---------- */
.section{padding:70px 0;}
.section-head{max-width:840px;margin-bottom:34px;}
.section-head h2{font-size:clamp(23px,3.1vw,33px);line-height:1.32;margin:12px 0 12px;letter-spacing:-.01em;}
.section-head p{margin:0;color:#4d5578;font-size:15.5px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:rgba(11,123,255,.1);color:#0b4fa8;
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.tag::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:linear-gradient(120deg,var(--blue),var(--magenta));
}

/* ---------- about ---------- */
.intro-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px 28px;margin-bottom:20px;
  box-shadow:0 20px 44px -34px rgba(18,32,90,.55);
}
.intro-card p{margin:0 0 12px;font-size:15.5px;color:#434b6d;}
.intro-card p:last-child{margin-bottom:0;}
.ability-grid{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;
}
.ability-grid li{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.ability-grid li::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--violet),var(--magenta));
}
.ability-grid li:hover{transform:translateY(-5px);border-color:#bcd6ff;box-shadow:0 22px 40px -28px rgba(18,32,90,.6);}
.ability-grid h3{margin:0 0 8px;font-size:16.5px;}
.ability-grid p{margin:0;font-size:14px;color:#59618a;line-height:1.7;}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.service-card:hover{transform:translateY(-6px);border-color:#bcd6ff;box-shadow:0 26px 46px -30px rgba(18,32,90,.6);}
.service-card .dot{
  width:36px;height:36px;border-radius:12px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(11,123,255,.18),rgba(192,38,184,.18));
  display:flex;align-items:center;justify-content:center;
}
.service-card .dot::after{
  content:"";width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--magenta));
}
.service-card h3{margin:0 0 8px;font-size:17px;}
.service-card p{margin:0;font-size:14px;color:#59618a;}

/* ---------- scene ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.scene-item{
  background:#fff;border:1px solid #e6ecf9;border-radius:14px;padding:16px 18px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-item:hover{transform:translateY(-3px);border-color:#b9d3ff;box-shadow:0 18px 32px -26px rgba(18,32,90,.55);}
.scene-item h3{margin:0 0 6px;font-size:15px;display:flex;align-items:flex-start;gap:8px;line-height:1.5;}
.scene-item h3::before{
  content:"";flex-shrink:0;width:8px;height:8px;margin-top:.55em;border-radius:3px;
  background:linear-gradient(135deg,var(--blue),var(--magenta));
}
.scene-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.68;}

/* ---------- industry ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.industry-card{
  background:linear-gradient(180deg,#ffffff,#f8fbff);
  border:1px solid var(--line);border-radius:18px;padding:22px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.industry-card:hover{transform:translateY(-5px);border-color:#bcd6ff;box-shadow:0 24px 44px -30px rgba(18,32,90,.55);}
.industry-card h3{margin:0 0 8px;font-size:17px;}
.industry-card p{margin:0 0 14px;font-size:14px;color:#59618a;}
.industry-card .fit{
  display:inline-block;padding:4px 11px;border-radius:999px;
  font-size:12.5px;color:#0b4fa8;background:rgba(11,123,255,.09);
}

/* ---------- network ---------- */
.network-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.network-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 22px 20px 26px;overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease;
}
.network-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--blue),var(--magenta));
}
.network-card:hover{transform:translateY(-4px);box-shadow:0 20px 38px -28px rgba(18,32,90,.55);}
.network-card h3{margin:0 0 6px;font-size:16px;}
.network-card p{margin:0;font-size:14px;color:#59618a;}

/* ---------- flow ---------- */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.flow li{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.flow li:hover{transform:translateY(-5px);border-color:#bcd6ff;box-shadow:0 22px 40px -28px rgba(18,32,90,.55);}
.step-no{
  display:inline-block;padding:2px 10px;border-radius:8px;margin-bottom:10px;
  font-size:13px;font-weight:700;color:#0b4fa8;background:rgba(11,123,255,.1);
}
.flow h3{margin:0 0 6px;font-size:15.5px;}
.flow p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.68;}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.case-card:hover{transform:translateY(-5px);border-color:#bcd6ff;box-shadow:0 24px 44px -30px rgba(18,32,90,.6);}
.case-media{
  aspect-ratio:4/3;border-radius:12px;overflow:hidden;padding:8px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#eef4ff,#e7eefc);
}
.case-media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;}
.case-card h3{margin:12px 2px 4px;font-size:15.5px;}
.case-card p{margin:0 2px 2px;font-size:13.5px;color:var(--muted);}

/* ---------- compare ---------- */
.compare-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start;}
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:0 20px 44px -34px rgba(18,32,90,.55);
}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px;}
thead th{
  text-align:left;padding:14px 18px;white-space:nowrap;
  background:#f2f6ff;color:#243056;font-weight:700;border-bottom:1px solid var(--line);
}
tbody td{padding:13px 18px;border-bottom:1px solid #eef2fb;color:#4a5273;vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:#f8fbff;}
th.col-us,td.col-us{color:#0b4fa8;font-weight:600;background:rgba(11,123,255,.06);}
.score-card{
  border-radius:20px;padding:26px;color:#ffffff;
  background:linear-gradient(160deg,#0b1a4d,#1f2a6e 58%,#41125f);
  box-shadow:0 28px 50px -30px rgba(11,26,77,.85);
}
.score-card .score-label{font-size:13.5px;color:#c9d3f5;letter-spacing:.06em;}
.score-card .score-num{font-size:46px;font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-top:6px;}
.score-card .score-num span{font-size:16px;font-weight:600;color:#a9b6e6;margin-left:4px;}
.score-card .stars{display:block;margin-top:10px;color:#ffcb45;}
.score-card p{margin:14px 0 0;font-size:13.5px;color:#c9d3f5;line-height:1.8;}

/* ---------- token ---------- */
.note{margin:14px 0 0;font-size:13px;color:#6b7494;}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.review-card{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:#bcd6ff;box-shadow:0 22px 42px -30px rgba(18,32,90,.55);}
.review-card blockquote{margin:0;font-size:14.5px;color:#404867;line-height:1.8;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#ffffff;
  background:linear-gradient(135deg,var(--blue),var(--magenta));
}
.review-user strong{display:block;font-size:14px;}
.review-user span{display:block;font-size:12.5px;color:#6b7494;}

/* ---------- help ---------- */
.help-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.help-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;}
.help-card h3{margin:0 0 14px;font-size:17px;}
.link-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.link-list li{position:relative;padding-left:16px;font-size:14px;color:#4a5273;}
.link-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:#9cc0ff;
}
.article-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.article-list a{
  font-size:14px;color:#1a4fa8;text-decoration:none;line-height:1.6;
  display:block;transition:color .2s ease,transform .2s ease;
}
.article-list a:hover{color:var(--magenta);transform:translateX(2px);}
.shortcode-slot{
  margin-top:14px;padding:10px 12px;border:1px dashed #cfdcf5;border-radius:10px;
  background:#f9fbff;font-size:12px;color:#8a93b2;word-break:break-all;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:#b9d3ff;box-shadow:0 18px 34px -28px rgba(18,32,90,.55);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:17px 52px 17px 20px;font-size:15.5px;font-weight:600;color:#161d3d;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;
  width:9px;height:9px;border-right:2px solid #6f7ba6;border-bottom:2px solid #6f7ba6;
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-answer{margin:0;padding:0 20px 18px;font-size:14.5px;color:#4a5273;line-height:1.8;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:start;}
.contact-form{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;
  box-shadow:0 22px 46px -36px rgba(18,32,90,.55);
}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:#39405f;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;font-family:inherit;font-size:14.5px;color:#1a2140;
  background:#f8faff;border:1px solid #dde5f7;border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:112px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:#5b9bff;
  box-shadow:0 0 0 3px rgba(11,123,255,.14);
}
.contact-info{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;
  box-shadow:0 22px 46px -36px rgba(18,32,90,.55);
}
.contact-info h3{margin:0 0 16px;font-size:17px;}
.contact-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:12px;}
.contact-list li{display:flex;gap:10px;font-size:14px;color:#434b6d;line-height:1.7;}
.contact-list strong{flex-shrink:0;min-width:80px;font-weight:600;color:var(--ink);}
.contact-list a{color:#1a4fa8;text-decoration:none;}
.contact-list a:hover{color:var(--magenta);}
.qr{display:flex;align-items:center;gap:14px;padding-top:16px;border-top:1px dashed #dde5f7;}
.qr img{width:104px;height:auto;border-radius:10px;border:1px solid var(--line);display:block;}
.qr-text{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- agent ---------- */
.agent-card{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
  padding:36px;border-radius:24px;color:#ffffff;
  background:linear-gradient(120deg,#0b1a4d,#2a1a63 55%,#5a1060);
  box-shadow:0 30px 60px -34px rgba(11,26,77,.8);
}
.agent-card h2{margin:0 0 10px;font-size:clamp(20px,2.6vw,26px);color:#ffffff;}
.agent-card p{margin:0;max-width:660px;font-size:14.5px;color:#c9d3f5;}
.agent-card .btn{background:#ffffff;color:#161d3d;border-color:#ffffff;box-shadow:0 12px 26px -18px rgba(0,0,0,.8);}
.agent-card .btn:hover{background:#eef3ff;color:#0a2a6b;}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#eef3ff,#e6edfd);
  border-top:1px solid #d9e3f8;
  color:#2b3358;
  padding:44px 0 0;
}
.footer-inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;
  padding-bottom:26px;
}
.footer-brand .footer-name{font-size:17px;font-weight:700;color:var(--ink);}
.footer-brand p{margin:10px 0 12px;max-width:360px;font-size:14px;color:#4a5273;}
.footer-brand .brand-links{display:flex;flex-wrap:wrap;gap:14px;}
.footer-brand .brand-links a{font-size:14px;color:#2f4a86;text-decoration:none;}
.footer-brand .brand-links a:hover{color:var(--magenta);}
.footer-links h3,.footer-contact h3{margin:0 0 12px;font-size:15px;color:#131a3a;}
.footer-links ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;}
.footer-links a,.footer-contact a{font-size:14px;color:#2f4a86;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover,.footer-contact a:hover{color:var(--magenta);}
.footer-contact p{margin:0 0 8px;font-size:14px;color:#414a71;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding-top:14px;padding-bottom:14px;
  border-top:1px solid #d9e3f8;
  font-size:13px;color:#5a6489;
}

/* ---------- floating ---------- */
.cs-fab{
  position:fixed;right:20px;bottom:88px;z-index:70;
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-family:inherit;font-size:12px;font-weight:700;line-height:1.2;color:#ffffff;
  background:linear-gradient(135deg,#0b7bff,#c026b8);
  box-shadow:0 18px 30px -14px rgba(11,123,255,.9);
  transition:transform .25s ease,box-shadow .25s ease;
}
.cs-fab:hover{transform:scale(1.06);box-shadow:0 22px 36px -14px rgba(11,123,255,.95);}
.cs-panel{
  position:fixed;right:20px;bottom:156px;z-index:70;width:250px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;
  box-shadow:0 28px 50px -28px rgba(18,32,90,.6);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
}
.cs-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.cs-panel h3{margin:0 0 10px;font-size:15px;}
.cs-panel img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);margin-bottom:10px;}
.cs-panel p{margin:0 0 6px;font-size:13px;color:#4a5273;line-height:1.6;}
.cs-panel a{color:#1a4fa8;text-decoration:none;}
.to-top{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:46px;height:46px;border-radius:50%;cursor:pointer;
  border:1px solid #dbe4f8;background:#fff;color:#1a2140;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  box-shadow:0 12px 24px -16px rgba(18,32,90,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;background:#fff;border-bottom:1px solid var(--line);
    border-radius:0 0 18px 18px;padding:8px 20px 14px;
    box-shadow:0 24px 40px -30px rgba(15,21,51,.6);
  }
  .site-nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 4px;border-bottom:1px solid #eef2fb;font-size:15px;}
  .nav-links li:last-child a{border-bottom:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .service-grid,.industry-grid,.help-grid,.review-grid,.case-grid,.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-layout{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .agent-card{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .section{padding:52px 0;}
  .hero{padding:40px 0 12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .service-grid,.industry-grid,.help-grid,.review-grid,.case-grid,.scene-grid,.flow,.network-grid{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;padding:20px;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-links ul{grid-template-columns:1fr;}
  .intro-card{padding:20px;}
  .agent-card{padding:24px;}
  .header-cta .btn{padding:8px 14px;font-size:13px;}
  .cs-panel{width:calc(100% - 40px);max-width:280px;}
}
@media (max-width:420px){
  .brand-sub{display:none;}
  .stat-card strong{font-size:22px;}
}