:root{
  --ink:#0b2b33;
  --ink-soft:#41626b;
  --line:#d7ecea;
  --teal:#0f9d8f;
  --teal-dark:#0a7d73;
  --cyan:#16b8c9;
  --radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  background:
    radial-gradient(1100px 560px at 84% -8%, #d6f3f1 0%, rgba(214,243,241,0) 62%),
    radial-gradient(900px 520px at -6% 22%, #e2f1ff 0%, rgba(226,241,255,0) 58%),
    linear-gradient(180deg,#f8fdfd 0%, #f2fafb 42%, #eef7fb 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{text-decoration:none;color:inherit;}
h1,h2,h3{margin:0;line-height:1.32;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(15,157,143,.14);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#082a31;flex:none;}
.brand .ai-page-logo{width:auto;height:34px;max-width:118px;object-fit:contain;display:block;}
.brand-text{white-space:nowrap;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links li{list-style:none;}
.nav-links a{display:block;padding:8px 10px;font-size:14px;color:#22474f;border-radius:8px;white-space:nowrap;transition:color .25s,background .25s;}
.nav-links a:hover{color:var(--teal-dark);background:rgba(15,157,143,.09);}
.header-cta{flex:none;padding:10px 20px;font-size:14px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#0a7d73;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;font-family:inherit;}
.btn-primary{background:linear-gradient(120deg,#0f9d8f,#16b8c9);color:#ffffff;box-shadow:0 12px 26px rgba(15,157,143,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,157,143,.36);}
.btn-ghost{background:rgba(255,255,255,.9);color:#0a7d73;border-color:#bfe7e2;}
.btn-ghost:hover{background:#ffffff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,157,143,.16);}
.btn:active{transform:translateY(0);}

/* hero */
.hero{position:relative;overflow:hidden;padding:62px 0 54px;}
.hero::before{content:"";position:absolute;width:540px;height:540px;border-radius:50%;top:-200px;right:-140px;background:radial-gradient(circle,rgba(22,184,201,.22),rgba(22,184,201,0) 70%);pointer-events:none;}
.hero::after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;bottom:-220px;left:-160px;background:radial-gradient(circle,rgba(15,157,143,.18),rgba(15,157,143,0) 70%);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;color:#0a7d73;background:rgba(15,157,143,.1);border:1px solid rgba(15,157,143,.2);border-radius:999px;padding:5px 13px;margin-bottom:16px;}
.hero h1{font-size:clamp(27px,3.6vw,44px);font-weight:800;letter-spacing:-.01em;color:#062730;}
.hero-lead{margin-top:16px;font-size:16px;color:#3d5d66;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;font-size:14px;color:#2f5560;}
.hero-points li{position:relative;padding-left:18px;}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#0f9d8f,#16b8c9);}
.hero-panel{background:linear-gradient(160deg,#ffffff,#effbfa);border:1px solid #cfeeea;border-radius:20px;padding:24px;box-shadow:0 22px 48px rgba(11,80,88,.12);animation:floatY 7s ease-in-out infinite;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;}
.panel-badge{font-size:13px;font-weight:700;color:#0a7d73;background:rgba(15,157,143,.12);padding:4px 11px;border-radius:999px;}
.panel-note{font-size:12.5px;color:#5a7d85;}
.flow-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed #d9eeeb;}
.flow-list li:last-child{border-bottom:0;}
.flow-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#0f9d8f,#16b8c9);margin-top:9px;flex:none;}
.flow-list strong{display:block;font-size:14.5px;color:#082a31;line-height:1.5;}
.flow-list span{display:block;font-size:13px;color:#5b7c84;}
.panel-foot{margin-top:12px;padding-top:12px;border-top:1px solid #dcefec;font-size:13px;color:#0a7d73;font-weight:600;}

/* sections */
.section{padding:52px 0;}
.section-head{max-width:780px;margin-bottom:32px;}
.section-tag{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;color:#0a7d73;background:rgba(15,157,143,.1);border:1px solid rgba(15,157,143,.18);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.section-head h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;color:#062730;}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--ink-soft);}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;text-align:center;box-shadow:0 6px 18px rgba(11,80,88,.05);transition:transform .3s,box-shadow .3s;}
.metric-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(11,80,88,.11);}
.metric-card strong{display:block;font-size:29px;font-weight:800;color:#0a7d73;letter-spacing:-.02em;}
.metric-card span{display:block;margin-top:4px;font-size:13.5px;color:#54757d;}

/* about */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
.about-copy p{font-size:15.5px;color:#3d5d66;margin-bottom:14px;}
.about-list{margin-top:6px;display:grid;gap:12px;}
.about-list li{position:relative;padding-left:24px;font-size:14.5px;color:#33555e;}
.about-list li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#0f9d8f,#16b8c9);}
.model-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 28px rgba(11,80,88,.07);}
.model-card h3{font-size:16px;color:#082a31;margin-bottom:6px;}
.model-card p{font-size:13.5px;color:#5b7c84;margin-bottom:14px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud span,.tag-cloud a{display:inline-block;padding:6px 12px;border-radius:999px;background:#f7fdfc;border:1px solid var(--line);font-size:13px;color:#28505a;transition:background .25s,color .25s,border-color .25s;}
.tag-cloud span:hover,.tag-cloud a:hover{background:#effbf9;border-color:#9adfd9;color:#0a7d73;}

/* generic cards */
.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 var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 6px 18px rgba(11,80,88,.05);transition:transform .3s,box-shadow .3s,border-color .3s;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(11,80,88,.12);border-color:#b9e6e1;}
.card h3{font-size:16.5px;color:#082a31;margin-bottom:8px;}
.card p{font-size:14.3px;color:#4b6b74;}

/* service */
.svc-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 6px 18px rgba(11,80,88,.05);transition:transform .3s,box-shadow .3s,border-color .3s;}
.svc-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#0f9d8f,#16b8c9,#4a9ff0);opacity:0;transition:opacity .3s;}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(11,80,88,.12);border-color:#b9e6e1;}
.svc-card:hover::before{opacity:1;}
.svc-card h3{font-size:16.5px;color:#082a31;margin-bottom:8px;}
.svc-card p{font-size:14.2px;color:#4b6b74;}
.svc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;}
.svc-tags li{font-size:12px;color:#0a7d73;background:rgba(15,157,143,.1);border-radius:6px;padding:3px 9px;}

/* pipeline */
.pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.pipeline li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;transition:transform .3s,box-shadow .3s,border-color .3s;}
.pipeline li:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(11,80,88,.1);border-color:#b9e6e1;}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#0f9d8f,#16b8c9);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px;}
.pipeline h3{font-size:15.5px;color:#082a31;margin-bottom:6px;}
.pipeline p{font-size:13.5px;color:#5b7c84;}

/* industry */
.industry-card{background:#fff;border:1px solid var(--line);border-left:3px solid #16b8c9;border-radius:14px;padding:20px;transition:transform .3s,box-shadow .3s;}
.industry-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,80,88,.1);}
.industry-card h3{font-size:16px;color:#082a31;margin-bottom:6px;}
.industry-card p{font-size:14px;color:#4b6b74;}

/* timeline */
.timeline{position:relative;display:grid;gap:18px;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#0f9d8f,#b9e6e1);border-radius:2px;}
.timeline li{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:transform .3s,box-shadow .3s;}
.timeline li:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(11,80,88,.09);}
.timeline li::before{content:"";position:absolute;left:-26px;top:24px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid #16b8c9;}
.timeline h3{font-size:15.5px;color:#082a31;margin-bottom:6px;}
.timeline p{font-size:14px;color:#4b6b74;}

/* network */
.net-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:transform .3s,box-shadow .3s;}
.net-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,80,88,.1);}
.net-card strong{display:block;font-size:15.5px;color:#0a7d73;margin-bottom:6px;}
.net-card span{font-size:14px;color:#4b6b74;}

/* cases */
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 22px rgba(11,80,88,.06);transition:transform .3s,box-shadow .3s;}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(11,80,88,.13);}
.case-media{aspect-ratio:4/3;overflow:hidden;background:#eaf8f6;}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:18px 20px 20px;}
.case-tag{display:inline-block;font-size:12px;color:#0a7d73;background:rgba(15,157,143,.1);border-radius:999px;padding:3px 10px;margin-bottom:9px;}
.case-body h3{font-size:16px;color:#082a31;margin-bottom:6px;}
.case-body p{font-size:14px;color:#4b6b74;}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.gallery div{aspect-ratio:1/1;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#eaf8f6;}
.gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
.gallery div:hover img{transform:scale(1.05);}

/* compare */
.score-card{display:flex;align-items:center;gap:28px;flex-wrap:wrap;background:linear-gradient(120deg,#0f9d8f,#16b8c9);border-radius:18px;padding:26px 30px;margin-bottom:22px;color:#ffffff;box-shadow:0 18px 36px rgba(15,157,143,.24);}
.score-value{font-size:46px;font-weight:800;line-height:1;letter-spacing:-.02em;}
.score-value span{font-size:17px;font-weight:600;opacity:.9;margin-left:2px;}
.stars{color:#ffe08a;font-size:20px;letter-spacing:4px;line-height:1;}
.score-card p{margin-top:8px;font-size:14.5px;color:#eafafa;}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 22px rgba(11,80,88,.06);}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.3px;}
thead th{background:linear-gradient(120deg,#effbf9,#eaf4ff);color:#082a31;text-align:left;padding:14px 16px;font-weight:700;white-space:nowrap;}
tbody td{padding:13px 16px;border-top:1px solid #eaf4f3;color:#456670;vertical-align:top;}
tbody td:first-child{color:#082a31;font-weight:600;white-space:nowrap;}
tbody tr:hover{background:#f7fdfc;}

/* reviews */
.review-card{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 6px 18px rgba(11,80,88,.05);transition:transform .3s,box-shadow .3s;}
.review-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(11,80,88,.11);}
.review-text{font-size:14.3px;color:#3d5d66;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0f9d8f,#16b8c9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex:none;}
.review-user strong{display:block;font-size:14px;color:#082a31;line-height:1.4;}
.review-user span{display:block;font-size:12.5px;color:#698a92;}

/* articles */
.article-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:transform .3s,box-shadow .3s,border-color .3s;}
.article-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,80,88,.1);border-color:#b9e6e1;}
.article-card strong{font-size:15px;color:#082a31;}
.article-card span{font-size:13.5px;color:#5b7c84;}
.article-card em{font-style:normal;font-size:12.5px;color:#0a7d73;font-weight:600;}

/* faq */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .3s,box-shadow .3s;}
.faq-item.open{border-color:#9adfd9;box-shadow:0 12px 28px rgba(11,80,88,.09);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;padding:17px 20px;font-size:15px;font-weight:600;color:#082a31;text-align:left;cursor:pointer;font-family:inherit;}
.faq-icon{position:relative;width:16px;height:16px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#0a7d73;border-radius:2px;transition:transform .3s;}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 20px 18px;font-size:14.3px;color:#4b6b74;}

/* form */
.match-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start;}
.match-info{background:linear-gradient(150deg,#ffffff,#effbfa);border:1px solid #cfeeea;border-radius:18px;padding:26px;box-shadow:0 14px 32px rgba(11,80,88,.07);}
.match-info h3{font-size:18px;color:#082a31;margin-bottom:10px;}
.match-info p{font-size:14.5px;color:#3d5d66;margin-bottom:16px;}
.match-info li{position:relative;padding-left:22px;font-size:14.3px;color:#33555e;margin-bottom:10px;}
.match-info li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,#0f9d8f,#16b8c9);}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 16px 36px rgba(11,80,88,.08);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{font-size:14px;font-weight:600;color:#0b2b33;}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid #d5e8e6;border-radius:10px;font-size:14.5px;font-family:inherit;color:#0b2b33;background:#fbfefd;transition:border-color .25s,box-shadow .25s,background .25s;}
.field input::placeholder,.field textarea::placeholder{color:#9bb4b9;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#0f9d8f;box-shadow:0 0 0 3px rgba(15,157,143,.14);background:#fff;}
.field textarea{min-height:112px;resize:vertical;}
.form-note{font-size:12.5px;color:#7c979d;margin-top:10px;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .3s,box-shadow .3s;}
.contact-item:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,80,88,.1);}
.contact-item strong{display:block;font-size:13px;color:#698a92;font-weight:600;margin-bottom:4px;}
.contact-item span,.contact-item a{font-size:14.5px;color:#082a31;font-weight:600;word-break:break-all;}
.contact-item a:hover{color:#0a7d73;}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;text-align:center;box-shadow:0 12px 28px rgba(11,80,88,.07);}
.qr-box{aspect-ratio:1/1;max-width:200px;margin:0 auto 12px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#f2fbfa;}
.qr-box img{width:100%;height:100%;object-fit:contain;display:block;}
.qr-card p{font-size:14px;color:#3d5d66;}

/* join */
.join-card{position:relative;overflow:hidden;background:linear-gradient(120deg,#0a7d73,#1699b8);border-radius:20px;padding:34px 30px;color:#ffffff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:0 18px 38px rgba(10,125,115,.26);}
.join-card::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-90px;top:-110px;background:rgba(255,255,255,.13);pointer-events:none;}
.join-card h2{font-size:clamp(19px,2.3vw,26px);font-weight:800;position:relative;}
.join-card p{margin-top:10px;font-size:14.5px;color:#e2f7f6;max-width:620px;position:relative;}
.join-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.join-actions .btn-white{background:#ffffff;color:#0a7d73;box-shadow:0 10px 24px rgba(0,0,0,.14);}
.join-actions .btn-white:hover{transform:translateY(-2px);}
.join-actions .btn-line{background:rgba(255,255,255,.14);color:#ffffff;border-color:rgba(255,255,255,.55);}
.join-actions .btn-line:hover{background:rgba(255,255,255,.24);}

/* footer */
.site-footer{background:linear-gradient(160deg,#083039,#0b2b33);color:#cfe8ea;padding:46px 0 20px;}
.footer-top{display:grid;grid-template-columns:1.2fr .9fr 1.1fr;gap:34px;}
.footer-brand .ai-page-logo{height:34px;width:auto;max-width:130px;object-fit:contain;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#a9d2d5;}
.footer-desc{margin-top:10px;font-size:13.5px;color:#8fb9bd;line-height:1.75;}
.site-footer h3{font-size:15px;color:#ffffff;margin-bottom:14px;}
.footer-contact ul{display:grid;gap:9px;}
.footer-contact li{font-size:13.5px;color:#a9d2d5;}
.footer-contact a{color:#8fded8;}
.footer-contact a:hover{color:#ffffff;}
.footer-links-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;}
.footer-links-grid a{font-size:13.5px;color:#8fded8;transition:color .25s;}
.footer-links-grid a:hover{color:#ffffff;}
.footer-bottom{margin-top:30px;padding-top:16px;border-top:1px solid rgba(255,255,255,.13);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#82aeb3;}
.footer-bottom a{color:#8fded8;}
.footer-bottom a:hover{color:#ffffff;}

/* float */
.float-kf{position:fixed;right:18px;bottom:88px;z-index:70;}
.kf-toggle{width:54px;height:54px;border-radius:50%;border:0;background:linear-gradient(135deg,#0f9d8f,#16b8c9);color:#fff;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 12px 26px rgba(15,157,143,.38);transition:transform .25s;}
.kf-toggle:hover{transform:translateY(-3px);}
.kf-panel{position:absolute;right:0;bottom:66px;width:214px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 18px 40px rgba(11,80,88,.18);display:none;text-align:center;}
.kf-panel.show{display:block;}
.kf-panel .qr-box{max-width:150px;margin-bottom:10px;}
.kf-panel p{font-size:12.5px;color:#3d5d66;line-height:1.7;}
.to-top{position:fixed;right:18px;bottom:24px;z-index:70;width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#0a7d73;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(11,80,88,.14);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s;}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* reveal */
html.js-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
html.js-ready .reveal.in{opacity:1;transform:none;}

@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .main-nav{position:static;flex:0 0 auto;}
  .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px;box-shadow:0 18px 30px rgba(11,80,88,.1);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 6px;border-bottom:1px dashed #e6f3f2;border-radius:0;}
  .main-nav{order:3;}
  .header-cta{order:2;}
  .nav-toggle{order:1;}
  .header-inner{flex-wrap:wrap;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .about-grid,.match-grid,.contact-grid{grid-template-columns:1fr;gap:24px;}
  .pipeline{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .section{padding:42px 0;}
  .hero{padding:44px 0 40px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;}
  .contact-list{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-links-grid{grid-template-columns:1fr 1fr;}
  .header-cta{display:none;}
  .hero-actions .btn{width:100%;}
  .join-card{padding:26px 22px;}
  .join-actions{width:100%;}
  .join-actions .btn{flex:1 1 auto;}
}