*{box-sizing:border-box}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:92px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:#12203a;
  background:#f5f9ff;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -10%,rgba(22,93,255,.12),transparent 62%),
    radial-gradient(760px 460px at 92% 6%,rgba(0,191,166,.12),transparent 60%),
    radial-gradient(760px 520px at 60% 104%,rgba(255,122,69,.09),transparent 62%);
}
img{max-width:100%;border:0}
h1,h2,h3,h4{margin:0}
p{margin:0}
a{color:inherit}
ul{list-style:none;margin:0;padding:0}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:78px 0}
.section--tint{background:linear-gradient(180deg,rgba(230,242,255,.82),rgba(248,251,255,.28))}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(22,93,255,.09);color:#0b3ec4;font-size:13px;font-weight:600;
  letter-spacing:.4px;border:1px solid rgba(22,93,255,.16);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#165dff,#00bfa6)}

.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.section-head h2{font-size:clamp(24px,3.1vw,34px);line-height:1.34;font-weight:800;letter-spacing:.5px;margin:16px 0 14px;color:#0d1e3a}
.section-sub{color:#6a7c99;font-size:15.5px;line-height:1.85}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-primary{background:linear-gradient(120deg,#165dff,#3a8bff 55%,#00bfa6);color:#fff;box-shadow:0 10px 24px rgba(22,93,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(22,93,255,.34)}
.btn-ghost{background:#fff;color:#123a8c;border-color:#cfe0fb;box-shadow:0 4px 14px rgba(19,62,135,.06)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#9dc0f7;color:#0b3ec4}
.btn:active{transform:translateY(0) scale(.98)}
.btn-sm{padding:9px 18px;font-size:14px}

/* header */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid #e2ecfb;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.ai-page-logo{width:110px;height:auto;display:block}
.brand-name{font-size:17px;font-weight:800;letter-spacing:1px;color:#0d1e3a;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:block;padding:9px 9px;border-radius:10px;font-size:14.5px;font-weight:500;
  color:#3b4d6b;text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#165dff;background:#eef4ff}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:40px;height:40px;border-radius:12px;border:1px solid #e2ecfb;background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#12203a;border-radius:2px;transition:transform .25s ease,opacity .25s ease}

/* hero */
.hero{position:relative;overflow:hidden;padding:74px 0 66px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.hero::before{
  width:520px;height:520px;top:-230px;left:-150px;
  background:radial-gradient(circle,rgba(22,93,255,.20),transparent 68%);
  animation:floatA 15s ease-in-out infinite;
}
.hero::after{
  width:460px;height:460px;bottom:-210px;right:-130px;
  background:radial-gradient(circle,rgba(0,191,166,.20),transparent 68%);
  animation:floatB 17s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(28px,26px,0)}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-26px,-22px,0)}}
.hero-inner{position:relative;z-index:2;max-width:920px;margin:0 auto;text-align:center}
.hero h1{
  font-size:clamp(28px,4.5vw,50px);line-height:1.24;font-weight:800;
  letter-spacing:1px;color:#0d1e3a;margin:22px 0 18px;
}
.hero h1 em{font-style:normal;color:#165dff;position:relative}
.hero-lead{font-size:clamp(15px,1.6vw,17px);color:#3b4d6b;max-width:760px;margin:0 auto 32px}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px}
.stat{
  background:#fff;border:1px solid #e2ecfb;border-radius:16px;padding:18px 14px;
  box-shadow:0 8px 24px rgba(19,62,135,.07);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.stat:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(19,62,135,.14);border-color:#c9dcfb}
.stat strong{display:block;font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#165dff;line-height:1.3}
.stat span{display:block;font-size:13.5px;color:#6a7c99;margin-top:4px}

/* cards & grids */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid #e2ecfb;border-radius:18px;padding:26px;
  box-shadow:0 8px 26px rgba(19,62,135,.07);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(19,62,135,.15);border-color:#c9dcfb}
.card h3{font-size:17px;font-weight:700;color:#0d1e3a;margin-bottom:10px}
.card p{font-size:14.5px;color:#4a5c7a;line-height:1.82;margin:0}

.icon-box{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(22,93,255,.12),rgba(0,191,166,.14));
  color:#0b3ec4;margin-bottom:16px;flex:0 0 auto;
}
.icon-box svg{width:24px;height:24px}

.service-card{position:relative;overflow:hidden}
.service-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#165dff,#00bfa6);opacity:.85;
}

/* about */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}
.about-text p{font-size:15.5px;color:#4a5c7a;line-height:1.9;margin-bottom:16px}
.about-text p:last-child{margin-bottom:0}
.about-panel{background:#fff;border:1px solid #e2ecfb;border-radius:18px;padding:26px;box-shadow:0 8px 26px rgba(19,62,135,.07)}
.about-panel h3{font-size:17px;font-weight:700;color:#0d1e3a;margin-bottom:16px}
.about-list{display:grid;gap:12px}
.about-list li{display:flex;gap:10px;font-size:14.5px;color:#4a5c7a;line-height:1.7}
.about-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:linear-gradient(135deg,#165dff,#00bfa6);
}
.model-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.model-cloud span{
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #e2ecfb;
  font-size:13.5px;color:#3b4d6b;box-shadow:0 2px 8px rgba(19,62,135,.05);
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.model-cloud span:hover{transform:translateY(-2px);color:#0b3ec4;border-color:#bcd6fb}

/* banner */
.banner-wrap{
  margin-bottom:32px;border-radius:20px;overflow:hidden;
  border:1px solid #e2ecfb;box-shadow:0 12px 32px rgba(19,62,135,.10);background:#eef5ff;
}
.banner-wrap img{display:block;width:100%;height:auto}

/* scene */
.scene{
  background:#fff;border:1px solid #e2ecfb;border-left:3px solid #165dff;border-radius:14px;
  padding:18px 20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(19,62,135,.13);border-color:#bcd6fb;border-left-color:#00bfa6}
.scene h3{font-size:15.5px;font-weight:700;color:#0d1e3a;margin-bottom:6px}
.scene p{font-size:13.8px;color:#5a6b88;line-height:1.72;margin:0}

/* network */
.network-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:start}
.network-card{background:#fff;border:1px solid #e2ecfb;border-radius:18px;padding:26px;box-shadow:0 8px 26px rgba(19,62,135,.07)}
.network-card h3{font-size:17px;font-weight:700;color:#0d1e3a;margin-bottom:12px}
.network-card p{font-size:14.5px;color:#4a5c7a;line-height:1.85}
.city-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.city-tags span{
  padding:7px 15px;border-radius:10px;background:#f2f8ff;border:1px solid #dbeafe;
  font-size:13.5px;color:#1a3f7a;font-weight:500;
}

/* process */
.timeline{display:grid;gap:16px;position:relative}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:#fff;border:1px solid #e2ecfb;border-radius:16px;padding:20px 24px;
  box-shadow:0 8px 24px rgba(19,62,135,.06);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateX(4px);box-shadow:0 16px 36px rgba(19,62,135,.13);border-color:#c9dcfb}
.step-no{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,#165dff,#00bfa6);
  box-shadow:0 8px 18px rgba(22,93,255,.26);
}
.step h3{font-size:16px;font-weight:700;color:#0d1e3a;margin-bottom:6px}
.step p{font-size:14.5px;color:#4a5c7a;line-height:1.8;margin:0}

/* cases */
.case-card{
  background:#fff;border:1px solid #e2ecfb;border-radius:18px;overflow:hidden;
  box-shadow:0 8px 26px rgba(19,62,135,.07);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(19,62,135,.16);border-color:#c9dcfb}
.case-media{
  aspect-ratio:16/10;background:#eef5ff;display:flex;align-items:center;justify-content:center;
  padding:14px;border-bottom:1px solid #eaf2fe;
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block}
.case-body{padding:20px 22px 24px}
.case-body .tag{
  display:inline-block;padding:4px 12px;border-radius:999px;background:#eef4ff;
  color:#0b3ec4;font-size:12.5px;font-weight:600;margin-bottom:10px;
}
.case-body h3{font-size:16.5px;font-weight:700;color:#0d1e3a;margin-bottom:8px}
.case-body p{font-size:14px;color:#5a6b88;line-height:1.78;margin:0}

/* reviews */
.review-card{
  background:#fff;border:1px solid #e2ecfb;border-radius:18px;padding:24px;
  box-shadow:0 8px 26px rgba(19,62,135,.07);display:flex;flex-direction:column;gap:14px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(19,62,135,.15);border-color:#c9dcfb}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;flex:0 0 auto;
  background:linear-gradient(135deg,#165dff,#00bfa6);
}
.review-name{font-size:15px;font-weight:700;color:#0d1e3a;line-height:1.4}
.review-role{font-size:12.8px;color:#8194b0;line-height:1.4}
.review-card p{font-size:14.3px;color:#4a5c7a;line-height:1.85;margin:0}

/* compare */
.score-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  background:linear-gradient(120deg,#fff,#f3f9ff);
  border:1px solid #e2ecfb;border-radius:18px;padding:26px 30px;
  box-shadow:0 10px 30px rgba(19,62,135,.09);margin-bottom:26px;
}
.score-num{font-size:46px;font-weight:800;color:#165dff;line-height:1}
.score-num span{font-size:17px;color:#8194b0;font-weight:600;margin-left:4px}
.score-meta .stars{color:#ff9f1a;font-size:21px;letter-spacing:4px;line-height:1}
.score-meta p{font-size:14px;color:#3b4d6b;margin-top:6px;font-weight:600}
.score-note{font-size:14.3px;color:#6a7c99;margin:0;flex:1 1 260px;line-height:1.8}

.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid #e2ecfb;border-radius:16px;
  box-shadow:0 8px 26px rgba(19,62,135,.07);-webkit-overflow-scrolling:touch;
}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:14.5px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid #eaf2fe;vertical-align:top;line-height:1.7}
thead th{background:linear-gradient(120deg,#eef4ff,#e9fbf7);color:#0b3ec4;font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8fbff}
td.col-brand{font-weight:600;color:#0b3ec4}
td.col-dim{color:#3b4d6b;font-weight:600}

/* token */
.token-note{
  margin-top:20px;padding:16px 20px;border-radius:14px;background:#f2f8ff;
  border:1px dashed #bcd6fb;font-size:14px;color:#31517f;line-height:1.8;
}

/* help */
.help-card{display:flex;gap:16px;align-items:flex-start}
.help-card .icon-box{margin-bottom:0}

/* faq */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid #e2ecfb;border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.is-open{border-color:#bcd6fb;box-shadow:0 14px 32px rgba(19,62,135,.11)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;font-size:15.5px;font-weight:600;color:#12203a;
  text-align:left;cursor:pointer;font-family:inherit;line-height:1.6;
}
.faq-q:hover{color:#165dff}
.faq-arrow{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:#eef4ff;color:#165dff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;line-height:1;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(45deg);background:#165dff;color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;margin:0;font-size:14.3px;color:#4a5c7a;line-height:1.85}

/* wiki */
.wiki-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:960px;margin:0 auto}
.wiki-cloud span{
  padding:9px 20px;border-radius:999px;background:#fff;border:1px solid #e2ecfb;
  font-size:14px;color:#3b4d6b;box-shadow:0 3px 10px rgba(19,62,135,.05);
  transition:transform .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.wiki-cloud span:hover{transform:translateY(-3px);color:#0b3ec4;border-color:#bcd6fb;box-shadow:0 12px 26px rgba(19,62,135,.13)}

/* news */
.news-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.news-list li{
  background:#fff;border:1px solid #e2ecfb;border-radius:14px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-list li:hover{transform:translateX(4px);box-shadow:0 14px 32px rgba(19,62,135,.12);border-color:#c9dcfb}
.news-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;text-decoration:none;font-size:15px;font-weight:500;color:#1c2f4d;
}
.news-list a:hover{color:#165dff}
.news-list .arrow{flex:0 0 auto;color:#9db3d4;font-size:16px;transition:transform .25s ease,color .25s ease}
.news-list li:hover .arrow{transform:translateX(4px);color:#165dff}

/* form */
.form-card{
  background:#fff;border:1px solid #e2ecfb;border-radius:20px;padding:32px;
  box-shadow:0 14px 40px rgba(19,62,135,.10);max-width:900px;margin:0 auto;
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:block}
.field span{display:block;font-size:13.5px;font-weight:600;color:#31456b;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:12px;border:1px solid #d9e6f8;background:#f9fcff;
  font-size:14.5px;color:#12203a;font-family:inherit;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#165dff;background:#fff;box-shadow:0 0 0 4px rgba(22,93,255,.12);
}
.field textarea{resize:vertical;min-height:112px;line-height:1.7}
.field-full{grid-column:1 / -1}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-tip{font-size:13px;color:#8194b0;line-height:1.7}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.contact-item{
  background:#fff;border:1px solid #e2ecfb;border-radius:14px;padding:18px 20px;
  box-shadow:0 6px 20px rgba(19,62,135,.06);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.contact-item:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(19,62,135,.13);border-color:#c9dcfb}
.contact-item .label{font-size:12.8px;color:#8194b0;letter-spacing:.3px}
.contact-item .value{font-size:15px;font-weight:700;color:#0d1e3a;word-break:break-all;margin-top:4px}
.qr-card{
  background:#fff;border:1px solid #e2ecfb;border-radius:18px;padding:24px;text-align:center;
  box-shadow:0 10px 30px rgba(19,62,135,.09);
}
.qr-card .qr-box{
  width:180px;margin:0 auto 16px;border-radius:14px;overflow:hidden;background:#f2f8ff;
  border:1px solid #e2ecfb;padding:10px;
}
.qr-card .qr-box img{display:block;width:100%;height:auto;border-radius:8px}
.qr-card h3{font-size:16px;font-weight:700;color:#0d1e3a;margin-bottom:6px}
.qr-card p{font-size:13.5px;color:#6a7c99;line-height:1.75}

/* join */
.join-wrap{
  background:linear-gradient(125deg,#0d2a63,#165dff 58%,#00bfa6);
  border-radius:22px;padding:44px 38px;color:#fff;
  box-shadow:0 24px 56px rgba(13,42,99,.28);
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
}
.join-wrap h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;color:#fff;line-height:1.35;margin-bottom:14px}
.join-wrap p{font-size:15px;color:rgba(255,255,255,.88);line-height:1.85;margin:0}
.join-points{display:grid;gap:12px}
.join-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.94);line-height:1.7}
.join-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;background:#7bf3dc}
.join-wrap .btn-primary{background:#fff;color:#0b3ec4;box-shadow:0 12px 28px rgba(0,0,0,.18)}
.join-actions{margin-top:20px}

/* footer */
.site-footer{background:#0c1a30;color:#c6d5ea;padding:52px 0 26px}
.site-footer a{color:#cfe1ff;text-decoration:none;transition:color .2s ease}
.site-footer a:hover{color:#7fb0ff}
.footer-top{display:grid;grid-template-columns:1fr 1.05fr;gap:38px}
.footer-brand .footer-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:1px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9fb4d0;margin-top:14px;max-width:470px}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-meta span{
  padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);font-size:13px;color:#c6d5ea;
}
.footer-links h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:16px}
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);font-size:13.5px;
  transition:background .2s ease,transform .2s ease;
}
.friend-links a:hover{background:rgba(122,170,255,.22);transform:translateY(-2px)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8ba2c0;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}

/* floating */
.float-dock{position:fixed;right:22px;bottom:74px;z-index:150;display:flex;flex-direction:column;gap:10px}
.dock-btn{
  width:48px;height:48px;border-radius:50%;border:1px solid #e2ecfb;background:#fff;
  color:#0b3ec4;font-size:12.5px;font-weight:700;cursor:pointer;font-family:inherit;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(19,62,135,.18);
  transition:transform .2s ease,box-shadow .2s ease,opacity .25s ease;
}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(19,62,135,.26)}
.dock-btn svg{width:18px;height:18px}
#topBtn{opacity:0;pointer-events:none}
#topBtn.is-show{opacity:1;pointer-events:auto}
.service-pop{
  position:fixed;right:22px;bottom:132px;z-index:160;width:232px;
  background:#fff;border:1px solid #e2ecfb;border-radius:16px;padding:16px;
  box-shadow:0 22px 50px rgba(19,62,135,.2);display:none;
}
.service-pop.is-open{display:block;animation:popIn .25s ease}
@keyframes popIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.service-pop img{display:block;width:100%;height:auto;border-radius:10px;margin-bottom:12px}
.service-pop p{font-size:13px;color:#4a5c7a;line-height:1.8;margin:0}
.service-pop strong{color:#0d1e3a}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* responsive */
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid #e2ecfb;border-radius:0 0 16px 16px;
    box-shadow:0 20px 34px rgba(19,62,135,.14);padding:10px 16px 18px;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px 10px;font-size:15px}
  .about-grid{grid-template-columns:1fr}
  .network-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .join-wrap{grid-template-columns:1fr;padding:36px 26px}
  .footer-top{grid-template-columns:1fr;gap:28px}
}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .contact-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .section{padding:58px 0}
  .hero{padding:56px 0 50px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .contact-list{grid-template-columns:1fr}
  .step{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .step-no{width:38px;height:38px;border-radius:12px;font-size:14px}
  .score-bar{padding:22px;gap:18px}
  .score-num{font-size:38px}
  .header-cta .btn-sm{display:none}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:420px){
  .brand-name{display:none}
  .hero-stats{grid-template-columns:1fr}
  .float-dock{right:14px;bottom:60px}
  .service-pop{right:14px;width:210px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}