*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#f4fbfb;
--bg-soft:#e9f7f6;
--ink:#0f2e2e;
--ink-2:#3d5c5c;
--muted:#6f8b8b;
--teal:#0ea79a;
--teal-deep:#0b7d74;
--teal-soft:#d6f3ef;
--line:#d3e9e6;
--card:#ffffff;
--shadow:0 10px 30px rgba(14,90,86,.08);
--shadow-lg:0 20px 50px rgba(14,90,86,.14);
--radius:18px;
--radius-sm:12px;
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
color:var(--ink);
background:
radial-gradient(1200px 520px at 8% -8%, #cdf3ee 0%, rgba(205,243,238,0) 60%),
radial-gradient(900px 460px at 100% 0%, #dff6f4 0%, rgba(223,246,244,0) 55%),
linear-gradient(180deg,#f4fbfb 0%,#f7fcfc 40%,#f2faf9 100%);
line-height:1.7;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:var(--ink);font-weight:800}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(244,251,251,.86);
backdrop-filter:blur(14px);
border-bottom:1px solid rgba(211,233,230,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;flex-wrap:wrap;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;max-height:42px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.5px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links li{display:flex}
.nav-links a{
display:inline-block;padding:8px 12px;font-size:14px;color:var(--ink-2);
border-radius:9px;transition:color .22s ease,background .22s ease,transform .22s ease;
}
.nav-links a:hover{color:var(--teal-deep);background:var(--teal-soft);transform:translateY(-1px)}
.nav-cta{
display:inline-flex;align-items:center;gap:8px;
padding:10px 22px;border-radius:999px;font-size:14px;font-weight:700;
color:#fff;background:linear-gradient(135deg,#12b9aa,#0b8d84);
box-shadow:0 8px 20px rgba(14,167,154,.3);
transition:transform .22s ease,box-shadow .22s ease;
white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,167,154,.4)}
.menu-toggle{
display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;
background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--teal-deep);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
position:relative;overflow:hidden;
padding:72px 0 84px;
}
.hero::before,.hero::after{
content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{width:520px;height:520px;top:-220px;right:-140px;background:radial-gradient(circle,rgba(14,167,154,.18),rgba(14,167,154,0) 70%)}
.hero::after{width:420px;height:420px;bottom:-200px;left:-160px;background:radial-gradient(circle,rgba(78,201,190,.16),rgba(78,201,190,0) 70%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
font-size:13px;font-weight:600;color:var(--teal-deep);
background:rgba(214,243,239,.9);border:1px solid #bfeae4;
padding:6px 14px;border-radius:999px;letter-spacing:.4px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;box-shadow:0 0 0 4px rgba(14,167,154,.15)}
.hero h1{font-size:clamp(30px,4vw,48px);margin:20px 0 16px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--teal-deep);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(78,201,190,.24);border-radius:6px;z-index:-1}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:13px 30px;border-radius:999px;font-size:15px;font-weight:700;
transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
cursor:pointer;border:none;
}
.btn-primary{background:linear-gradient(135deg,#13bcae,#0a827a);color:#fff;box-shadow:0 12px 26px rgba(14,167,154,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(14,167,154,.42)}
.btn-ghost{background:#fff;color:var(--teal-deep);border:1.5px solid #b9e5e0;box-shadow:0 6px 16px rgba(14,90,86,.06)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 12px 26px rgba(14,90,86,.12)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.hero-tags span{
font-size:12.5px;padding:5px 12px;border-radius:8px;color:var(--ink-2);
background:#fff;border:1px solid var(--line);
}
.hero-panel{
background:linear-gradient(160deg,#ffffff 0%,#eefbf9 100%);
border:1px solid #cceae6;border-radius:26px;padding:26px;
box-shadow:var(--shadow-lg);position:relative;
}
.hero-panel h2{font-size:16px;letter-spacing:.5px;margin-bottom:6px}
.hero-panel p{font-size:13px;color:var(--muted);margin-bottom:18px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chips span{
font-size:12.5px;padding:6px 11px;border-radius:9px;font-weight:600;
background:#f0faf8;color:var(--teal-deep);border:1px solid #c9ece7;
transition:transform .2s ease,background .2s ease;
}
.model-chips span:hover{transform:translateY(-2px);background:#dff5f1}
.panel-divider{height:1px;background:var(--line);margin:20px 0}
.panel-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.panel-metrics div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.panel-metrics strong{display:block;font-size:20px;color:var(--teal-deep)}
.panel-metrics small{font-size:12px;color:var(--muted)}

/* ---------- Stats strip ---------- */
.stats-strip{padding:0 0 12px}
.stats-grid{
display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px 22px;
box-shadow:var(--shadow);
}
.stat{text-align:center;padding:6px 8px}
.stat strong{display:block;font-size:clamp(20px,2.6vw,28px);color:var(--teal-deep);letter-spacing:-.5px}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- Section base ---------- */
section.block{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-tag{
display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
color:var(--teal-deep);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.4px;margin-bottom:14px}
.sec-head p{font-size:15.5px;color:var(--ink-2)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:stretch}
.about-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:32px;box-shadow:var(--shadow);
}
.about-card h3{font-size:19px;margin-bottom:14px}
.about-card p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.about-list{display:grid;gap:12px;margin-top:20px}
.about-list li{
display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);
background:#f6fcfb;border:1px solid #e0f2ef;border-radius:12px;padding:12px 15px;
}
.about-list b{color:var(--teal-deep);flex-shrink:0}
.about-side{display:grid;gap:16px}
.side-item{
background:linear-gradient(140deg,#ffffff,#eefaf8);
border:1px solid #d3ece8;border-radius:16px;padding:20px;
box-shadow:0 8px 22px rgba(14,90,86,.06);
transition:transform .25s ease,box-shadow .25s ease;
}
.side-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.side-item h4{font-size:15.5px;margin-bottom:8px;color:var(--teal-deep)}
.side-item p{font-size:13.5px;color:var(--ink-2)}

/* ---------- Service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:24px;box-shadow:0 6px 18px rgba(14,90,86,.05);
transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
display:flex;flex-direction:column;gap:10px;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#a9e3dd}
.svc-ico{
width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
background:linear-gradient(135deg,#d6f3ef,#a9e8e0);color:var(--teal-deep);font-weight:800;font-size:15px;
}
.svc-card h3{font-size:16.5px}
.svc-card p{font-size:13.8px;color:var(--ink-2)}

/* ---------- One-stop / tabs-like scene ---------- */
.scene-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene{
background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
padding:22px;display:flex;gap:16px;align-items:flex-start;
box-shadow:0 6px 18px rgba(14,90,86,.05);
transition:transform .25s ease,box-shadow .25s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scene-num{
flex-shrink:0;width:40px;height:40px;border-radius:11px;
background:var(--teal-soft);color:var(--teal-deep);font-weight:800;
display:flex;align-items:center;justify-content:center;font-size:14px;
}
.scene h3{font-size:15.5px;margin-bottom:6px}
.scene p{font-size:13.5px;color:var(--ink-2)}

/* ---------- Industry / network ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ind-item{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
text-align:center;transition:transform .25s ease,box-shadow .25s ease;
}
.ind-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ind-item strong{display:block;font-size:15px;margin-bottom:6px;color:var(--teal-deep)}
.ind-item span{font-size:12.8px;color:var(--muted)}

/* ---------- Process timeline ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.step{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 16px;
position:relative;transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step em{
font-style:normal;font-size:12px;font-weight:800;color:#fff;
background:linear-gradient(135deg,#13bcae,#0a827a);
padding:3px 10px;border-radius:999px;display:inline-block;margin-bottom:12px;
}
.step h3{font-size:14.5px;margin-bottom:6px}
.step p{font-size:12.8px;color:var(--ink-2)}

/* ---------- Case ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
overflow:hidden;box-shadow:0 8px 22px rgba(14,90,86,.06);
transition:transform .25s ease,box-shadow .25s ease;
display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-media{background:#eefaf8;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;padding:14px}
.case-media img{max-height:100%;width:100%;object-fit:contain;border-radius:10px}
.case-body{padding:20px}
.case-body h3{font-size:16px;margin-bottom:8px}
.case-body p{font-size:13.6px;color:var(--ink-2);margin-bottom:12px}
.case-tags{display:flex;flex-wrap:wrap;gap:6px}
.case-tags span{font-size:11.5px;padding:3px 9px;border-radius:7px;background:#effaf8;color:var(--teal-deep);border:1px solid #d3ece8}

/* ---------- Compare ---------- */
.compare-wrap{
background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;
box-shadow:var(--shadow);
}
.score-row{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;margin-bottom:26px}
.score-badge{
text-align:center;background:linear-gradient(150deg,#e6faf7,#c9f0ea);
border:1px solid #a9e3dd;border-radius:18px;padding:22px 16px;
}
.score-badge strong{display:block;font-size:40px;color:var(--teal-deep);line-height:1}
.score-badge span{font-size:13px;color:var(--ink-2)}
.stars{color:#f0a500;font-size:19px;letter-spacing:3px}
.score-text h3{font-size:20px;margin-bottom:8px}
.score-text p{font-size:14px;color:var(--ink-2)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px;border:1px solid var(--line)}
table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:14px;background:#fff}
table.compare th,table.compare td{padding:13px 16px;text-align:left;border-bottom:1px solid #e6f3f1}
table.compare thead th{background:#eefaf8;color:var(--teal-deep);font-weight:800;font-size:13.5px}
table.compare tbody tr:nth-child(even){background:#fbfefd}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td.hl{color:var(--teal-deep);font-weight:700}
table.compare tbody tr:hover{background:#f2fbf9}

/* ---------- Token price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:26px;box-shadow:0 6px 18px rgba(14,90,86,.05);
transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
display:flex;flex-direction:column;
}
.price-card.hot{border-color:#7fdcd2;box-shadow:0 14px 32px rgba(14,167,154,.16);position:relative}
.price-card.hot::before{
content:"推荐";position:absolute;top:-12px;right:20px;font-size:12px;font-weight:700;
color:#fff;background:linear-gradient(135deg,#13bcae,#0a827a);padding:4px 12px;border-radius:999px;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.price-card h3{font-size:16px;margin-bottom:6px}
.price-card .price{font-size:30px;font-weight:800;color:var(--teal-deep);line-height:1.2;margin:10px 0 4px}
.price-card .price small{font-size:13px;font-weight:500;color:var(--muted)}
.price-card ul{display:grid;gap:8px;margin:16px 0 20px}
.price-card li{font-size:13.5px;color:var(--ink-2);padding-left:18px;position:relative}
.price-card li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.price-card .btn{margin-top:auto;width:100%;padding:11px 18px;font-size:14px}

/* ---------- Form ---------- */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:stretch}
.form-side{display:flex;flex-direction:column;gap:16px}
.contact-item{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
display:flex;gap:14px;align-items:flex-start;box-shadow:0 5px 14px rgba(14,90,86,.05);
}
.contact-item .ci-ico{
width:38px;height:38px;border-radius:10px;background:var(--teal-soft);color:var(--teal-deep);
display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;font-size:14px;
}
.contact-item h4{font-size:14.5px;margin-bottom:3px}
.contact-item p{font-size:13.3px;color:var(--ink-2);word-break:break-all}
.qr-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;box-shadow:0 5px 14px rgba(14,90,86,.05)}
.qr-box img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:8px}
.qr-box span{font-size:13px;color:var(--muted)}
form.need-form{
background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;
box-shadow:var(--shadow);display:grid;gap:16px;
}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
width:100%;padding:12px 14px;border:1px solid #cfe7e4;border-radius:11px;
font-size:14px;font-family:inherit;color:var(--ink);background:#fbfefd;
transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
outline:none;border-color:var(--teal);background:#fff;
box-shadow:0 0 0 3px rgba(14,167,154,.14);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-msg{font-size:13px;color:var(--teal-deep);min-height:18px}

/* ---------- Testimonials ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
background:#fff;border:1px solid var(--line);border-radius:var(--radius);
padding:24px;box-shadow:0 6px 18px rgba(14,90,86,.05);
transition:transform .25s ease,box-shadow .25s ease;
display:flex;flex-direction:column;gap:12px;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
width:42px;height:42px;border-radius:50%;flex-shrink:0;
background:linear-gradient(135deg,#a9e8e0,#d6f3ef);color:var(--teal-deep);
font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.review-top strong{display:block;font-size:14.5px}
.review-top span{font-size:12.5px;color:var(--muted)}
.review-card p{font-size:13.8px;color:var(--ink-2);flex:1}
.review-stars{color:#f0a500;font-size:14px;letter-spacing:2px}

/* ---------- Articles ---------- */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.article-item{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;
display:flex;justify-content:space-between;align-items:center;gap:16px;
transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.article-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#a9e3dd}
.article-item strong{font-size:14.5px;display:block;margin-bottom:4px}
.article-item span{font-size:12.8px;color:var(--muted)}
.article-item .arrow{color:var(--teal);font-size:20px;font-weight:700;flex-shrink:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item.open{box-shadow:var(--shadow);border-color:#a9e3dd}
.faq-q{
width:100%;text-align:left;background:none;border:none;cursor:pointer;
padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);
display:flex;justify-content:space-between;align-items:center;gap:16px;
font-family:inherit;transition:color .2s ease;
}
.faq-q:hover{color:var(--teal-deep)}
.faq-q .icon{
width:24px;height:24px;border-radius:50%;background:var(--teal-soft);color:var(--teal-deep);
display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
flex-shrink:0;transition:transform .25s ease;
}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-2)}

/* ---------- Wiki / tag cloud ---------- */
.wiki-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.wiki-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 6px 18px rgba(14,90,86,.05)}
.wiki-card h3{font-size:17px;margin-bottom:12px}
.wiki-card p{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{
font-size:12.8px;padding:6px 13px;border-radius:999px;background:#effaf8;
color:var(--teal-deep);border:1px solid #d3ece8;transition:transform .2s ease,background .2s ease;
cursor:default;
}
.tag-cloud span:hover{transform:translateY(-2px);background:#dff5f1}

/* ---------- Agent / join ---------- */
.join-banner{
background:linear-gradient(135deg,#0b7d74,#12b9aa 55%,#4ec9be);
border-radius:24px;padding:44px 36px;color:#fff;
display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center;
box-shadow:0 24px 50px rgba(11,125,116,.28);
position:relative;overflow:hidden;
}
.join-banner::after{
content:"";position:absolute;width:340px;height:340px;border-radius:50%;
background:rgba(255,255,255,.12);right:-110px;bottom:-140px;
}
.join-banner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px;color:#fff}
.join-banner p{font-size:15px;color:rgba(255,255,255,.92);max-width:560px}
.join-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.join-actions .btn{width:100%;padding:13px 20px}
.btn-white{background:#fff;color:var(--teal-deep)}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}

/* ---------- Footer ---------- */
.site-footer{
background:#0b3b38;color:#d6ece9;margin-top:20px;padding:50px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px;padding-bottom:36px}
.footer-brand strong{color:#fff;font-size:17px;display:block;margin-bottom:10px;letter-spacing:.5px}
.footer-brand p{font-size:13.5px;color:#a9cdc9;line-height:1.8}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:8px}
.footer-col a{font-size:13.3px;color:#a9cdc9;transition:color .2s ease}
.footer-col a:hover{color:#5fe0d3}
.footer-col p{font-size:13.3px;color:#a9cdc9;line-height:1.9;word-break:break-all}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
font-size:12.8px;color:#8fb8b4;
}
.footer-bottom a{color:#8fb8b4}
.footer-bottom a:hover{color:#5fe0d3}

/* ---------- Back to top & float ---------- */
.back-top{
position:fixed;right:20px;bottom:88px;width:46px;height:46px;border-radius:50%;
background:#fff;border:1px solid var(--line);color:var(--teal-deep);
display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
cursor:pointer;box-shadow:0 8px 22px rgba(14,90,86,.16);
opacity:0;visibility:hidden;transform:translateY(10px);
transition:opacity .28s ease,visibility .28s ease,transform .28s ease;
z-index:70;border:none;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--teal-soft)}
.float-kf{
position:fixed;right:20px;bottom:24px;z-index:70;
display:flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;
background:linear-gradient(135deg,#13bcae,#0a827a);color:#fff;font-size:14px;font-weight:700;
box-shadow:0 12px 26px rgba(14,167,154,.36);transition:transform .22s ease,box-shadow .22s ease;
}
.float-kf:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(14,167,154,.46)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
.hero-inner{grid-template-columns:1fr;gap:36px}
.about-grid{grid-template-columns:1fr}
.svc-grid{grid-template-columns:repeat(2,1fr)}
.industry-grid{grid-template-columns:repeat(2,1fr)}
.process{grid-template-columns:repeat(3,1fr)}
.case-grid{grid-template-columns:repeat(2,1fr)}
.price-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr;gap:26px}
.form-wrap{grid-template-columns:1fr}
.join-banner{grid-template-columns:1fr}
.score-row{grid-template-columns:1fr}
}
@media (max-width:820px){
.menu-toggle{display:flex}
.nav-links{
display:none;width:100%;flex-direction:column;align-items:stretch;
background:#fff;border:1px solid var(--line);border-radius:14px;
padding:10px;margin-top:10px;box-shadow:var(--shadow);
}
.nav-links.open{display:flex}
.nav-links li{width:100%}
.nav-links a{display:block;padding:11px 14px;font-size:14.5px}
.nav-cta{display:none}
.stats-grid{grid-template-columns:repeat(2,1fr);gap:18px}
.scene-wrap{grid-template-columns:1fr}
.article-list{grid-template-columns:1fr}
.wiki-wrap{grid-template-columns:1fr}
}
@media (max-width:600px){
.hero{padding:48px 0 56px}
.hero-actions .btn{width:100%}
.svc-grid{grid-template-columns:1fr}
.industry-grid{grid-template-columns:1fr}
.process{grid-template-columns:1fr}
.case-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.join-banner{padding:32px 22px}
.stats-grid{padding:20px 14px}
section.block{padding:48px 0}
.float-kf{padding:10px 14px;font-size:13px}
.back-top{right:16px;bottom:82px}
}