*{margin:0;padding:0;box-sizing:border-box}
:root{
--green:#22c55e;
--green-dark:#16a34a;
--green-deep:#0f7a3d;
--lime:#a3e635;
--ink:#12211a;
--ink-2:#33473d;
--muted:#5f776c;
--line:#e0efe4;
--bg:#f4fbf6;
--card:#ffffff;
--shadow:0 14px 40px rgba(22,163,74,.10);
--shadow-sm:0 6px 18px rgba(22,163,74,.08);
--radius:18px;
}
html{scroll-behavior:smooth}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
color:var(--ink);
background:
radial-gradient(900px 500px at 85% -60px,rgba(163,230,53,.28),transparent 60%),
radial-gradient(700px 420px at 5% 120px,rgba(34,197,94,.16),transparent 62%),
linear-gradient(180deg,#f2fdf6 0%,#f7fdf9 40%,#f1fbf5 100%);
background-attachment:fixed;
line-height:1.7;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{position:relative}

/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:90;
background:rgba(255,255,255,.86);
backdrop-filter:blur(14px);
border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:auto;max-height:40px;object-fit:contain}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--green-deep);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{
display:inline-block;padding:8px 11px;font-size:14px;color:var(--ink-2);font-weight:600;
border-radius:10px;transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--green-deep);background:#eafaf0}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
font-size:15px;font-weight:700;padding:11px 22px;border-radius:12px;
border:1.5px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
font-family:inherit;line-height:1.3;
}
.btn-primary{
background:linear-gradient(135deg,#22c55e,#16a34a 70%);
color:#fff;box-shadow:0 10px 24px rgba(22,163,74,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(22,163,74,.38)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;color:var(--green-deep);border-color:#bfe8cd}
.btn-ghost:hover{background:#eafaf0;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1e3a2c;transform:translateY(-2px)}
.menu-toggle{
display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--green-deep);border-radius:2px;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
.hero-badge{
display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
color:var(--green-deep);background:#e6fbee;border:1px solid #c3eecd;
padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--green);display:block;box-shadow:0 0 0 4px rgba(34,197,94,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}
.hero h1{
font-size:42px;line-height:1.25;font-weight:900;letter-spacing:-.5px;color:var(--ink);
margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--green-deep);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;background:rgba(163,230,53,.55);z-index:-1;border-radius:4px}
.hero p.lead{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags span{
font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-sm);
}

/* hero visual panel (no images) */
.hero-panel{
background:linear-gradient(160deg,#ffffff,#effcf3 60%,#e4f9ec);
border:1px solid #d4f2df;border-radius:26px;padding:26px;
box-shadow:0 24px 60px rgba(22,163,74,.14);
position:relative;overflow:hidden;
}
.hero-panel::before{
content:"";position:absolute;width:220px;height:220px;border-radius:50%;
background:radial-gradient(circle,rgba(163,230,53,.45),transparent 70%);
top:-80px;right:-60px;animation:floatBlob 9s ease-in-out infinite;
}
@keyframes floatBlob{50%{transform:translate(-16px,20px) scale(1.08)}}
.panel-title{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--green-deep);margin-bottom:16px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1}
.metric-card{
background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 14px;
box-shadow:var(--shadow-sm);
}
.metric-card b{display:block;font-size:22px;font-weight:900;color:var(--green-deep);line-height:1.2}
.metric-card span{font-size:12.5px;color:var(--muted);font-weight:600}
.panel-bar{margin-top:16px;height:8px;border-radius:99px;background:#dff5e6;overflow:hidden;position:relative;z-index:1}
.panel-bar i{display:block;height:100%;width:86%;border-radius:99px;background:linear-gradient(90deg,#a3e635,#22c55e);animation:barGrow 1.6s ease-out both}
@keyframes barGrow{from{width:0}}

/* ---------- section shell ---------- */
.section{padding:66px 0}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.eyebrow{
display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.5px;
color:var(--green-deep);background:#e8fbef;border:1px solid #c8efd6;
padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:31px;line-height:1.3;font-weight:900;color:var(--ink);letter-spacing:-.3px;margin-bottom:12px}
.section-head p{font-size:15.5px;color:var(--muted)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,.8,.35,1),transform .7s cubic-bezier(.22,.8,.35,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.about-card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:30px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.about-card:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(22,163,74,.16)}
.about-card h3{font-size:19px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.about-card p{font-size:14.8px;color:var(--ink-2);margin-bottom:12px}
.about-list{display:grid;gap:11px;margin-top:8px}
.about-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.about-list li::before{
content:"";flex:0 0 auto;width:18px;height:18px;margin-top:3px;border-radius:6px;
background:linear-gradient(135deg,#a3e635,#22c55e);
}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}
.about-stats div{background:#f0fcf4;border:1px solid #d7f2e1;border-radius:14px;padding:16px}
.about-stats b{display:block;font-size:19px;color:var(--green-deep);font-weight:900}
.about-stats span{font-size:12.5px;color:var(--muted);font-weight:600}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:24px;box-shadow:var(--shadow-sm);
transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
position:relative;overflow:hidden;
}
.service-card::after{
content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,#a3e635,#22c55e);
transition:width .35s ease;
}
.service-card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(22,163,74,.16);border-color:#c8efd6}
.service-card:hover::after{width:100%}
.service-num{font-size:12px;font-weight:800;color:var(--green-dark);letter-spacing:1.5px;margin-bottom:10px}
.service-card h3{font-size:17px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.service-card p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- one-stop / flow ---------- */
.flow-wrap{background:linear-gradient(160deg,#ffffff,#eefcf3);border:1px solid #d4f2df;border-radius:26px;padding:36px;box-shadow:var(--shadow)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:flow}
.flow-item{
background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;
position:relative;transition:transform .28s ease,box-shadow .28s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.flow-item::before{
counter-increment:flow;content:"0" counter(flow);
font-size:13px;font-weight:900;color:#fff;background:linear-gradient(135deg,#22c55e,#16a34a);
width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.flow-item h3{font-size:15.5px;font-weight:800;margin-bottom:6px;color:var(--ink)}
.flow-item p{font-size:13.5px;color:var(--muted)}

/* ---------- industry / solution ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card{
background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);
border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);
transition:transform .28s ease,box-shadow .28s ease;
}
.solution-card:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.solution-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.solution-card p{font-size:14px;color:var(--muted)}

/* ---------- network ---------- */
.network-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
.network-list{display:grid;gap:12px}
.network-item{
display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm);
transition:transform .25s ease,box-shadow .25s ease;
}
.network-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.network-item b{font-size:15px;font-weight:800;color:var(--ink);min-width:78px}
.network-item span{font-size:13.8px;color:var(--muted)}
.network-panel{
background:linear-gradient(150deg,#0f7a3d,#16a34a 55%,#22c55e);
border-radius:22px;padding:30px;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:14px;
box-shadow:0 22px 50px rgba(22,163,74,.28);
}
.network-panel h3{font-size:21px;font-weight:900;color:#fff}
.network-panel p{font-size:14.5px;color:#e9fdf0}
.network-panel .btn-ghost{background:#fff;color:var(--green-deep);border-color:#fff;align-self:flex-start}

/* ---------- process timeline ---------- */
.timeline{position:relative;padding-left:6px}
.timeline::before{content:"";position:absolute;left:21px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#a3e635,#22c55e,#16a34a)}
.tl-item{display:flex;gap:20px;padding-bottom:26px;position:relative}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:#fff;border:2px solid var(--green);
display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:var(--green-deep);
box-shadow:0 0 0 5px #f1fcf5;position:relative;z-index:1;
}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;flex:1;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.tl-item:hover .tl-body{transform:translateX(4px);box-shadow:var(--shadow)}
.tl-body h3{font-size:16px;font-weight:800;margin-bottom:5px}
.tl-body p{font-size:14px;color:var(--muted)}

/* ---------- case ---------- */
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:stretch}
.case-hero{
border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
display:flex;flex-direction:column;
}
.case-hero img{width:100%;height:100%;object-fit:contain;background:#f6fef9;aspect-ratio:16/10}
.case-hero figcaption{padding:18px 22px}
.case-hero figcaption h3{font-size:17px;font-weight:800;margin-bottom:6px}
.case-hero figcaption p{font-size:14px;color:var(--muted)}
.case-side{display:grid;gap:20px}
.case-side figure{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease}
.case-side figure:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case-side img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#f6fef9}
.case-side figcaption{padding:14px 18px;font-size:13.8px;color:var(--ink-2);font-weight:600}
.case-extra{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.case-extra figure{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .28s ease}
.case-extra figure:hover{transform:translateY(-4px)}
.case-extra img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f6fef9}
.case-extra figcaption{padding:14px 18px;font-size:13.8px;color:var(--ink-2);font-weight:600}

/* ---------- compare ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.compare-top{display:grid;grid-template-columns:1.3fr 1fr;gap:0;border-bottom:1px solid var(--line)}
.compare-score{padding:32px;background:linear-gradient(150deg,#0f7a3d,#22c55e);color:#fff}
.compare-score .stars{font-size:22px;letter-spacing:4px;color:#eaffb0;margin-bottom:10px}
.compare-score .score-num{font-size:46px;font-weight:900;line-height:1;color:#fff}
.compare-score .score-num small{font-size:18px;font-weight:700;color:#dffbe8}
.compare-score h3{font-size:20px;font-weight:900;margin:10px 0 6px;color:#fff}
.compare-score p{font-size:14px;color:#e6fdef}
.compare-note{padding:32px;background:#f8fefb}
.compare-note h3{font-size:18px;font-weight:800;margin-bottom:10px}
.compare-note p{font-size:14.5px;color:var(--ink-2)}
.table-scroll{overflow-x:auto}
table.compare-table{width:100%;border-collapse:collapse;min-width:620px}
.compare-table th,.compare-table td{padding:15px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.compare-table thead th{background:#f0fcf4;color:var(--green-deep);font-weight:800;font-size:13.5px;letter-spacing:.4px}
.compare-table tbody tr:hover{background:#fafefb}
.compare-table td:first-child{font-weight:700;color:var(--ink)}
.compare-table td:last-child{color:var(--muted)}
.compare-table .yes{color:var(--green-dark);font-weight:800}

/* ---------- 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:20px;padding:26px;
box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
display:flex;flex-direction:column;gap:6px;
}
.price-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(22,163,74,.18);border-color:#bfe8cd}
.price-card .tag{font-size:12px;font-weight:800;color:var(--green-deep);background:#e8fbef;border-radius:999px;padding:4px 12px;align-self:flex-start}
.price-card h3{font-size:18px;font-weight:900;margin-top:6px}
.price-card .price{font-size:28px;font-weight:900;color:var(--green-deep);line-height:1.2}
.price-card .price small{font-size:13px;font-weight:600;color:var(--muted)}
.price-card ul{display:grid;gap:8px;margin-top:8px}
.price-card li{font-size:13.8px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start}
.price-card li::before{content:"✓";color:var(--green-dark);font-weight:900;flex:0 0 auto}
.price-card .btn{margin-top:14px;width:100%}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{
background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;
transition:transform .28s ease,box-shadow .28s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.review-stars{color:#f0b429;font-size:15px;letter-spacing:2px}
.review-text{font-size:14.2px;color:var(--ink-2);flex:1}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:12px}
.avatar{
width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#a3e635,#22c55e);
color:#0c3b22;font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.review-user b{display:block;font-size:14px;font-weight:800}
.review-user span{font-size:12.5px;color:var(--muted)}

/* ---------- 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{border-color:#bfe8cd;box-shadow:var(--shadow-sm)}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
font-size:15px;font-weight:700;color:var(--ink);font-family:inherit;line-height:1.5;
}
.faq-q:hover{color:var(--green-deep)}
.faq-icon{
flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:#eafaf0;color:var(--green-deep);
display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;transition:transform .3s ease,background .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--green);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 18px;font-size:14.2px;color:var(--muted)}

/* ---------- article ---------- */
.article-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}
.article-list{display:grid;gap:12px}
.article-item{
display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-sm);
transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.article-item:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:#c8efd6}
.article-item .idx{font-size:13px;font-weight:900;color:var(--green-deep);background:#eafaf0;border-radius:8px;padding:6px 10px;flex:0 0 auto}
.article-item b{font-size:14.8px;font-weight:700;flex:1}
.article-item .go{font-size:13px;font-weight:800;color:var(--green-dark);flex:0 0 auto}
.article-side{background:linear-gradient(160deg,#f4fef8,#e9fcf0);border:1px solid #d4f2df;border-radius:18px;padding:26px}
.article-side h3{font-size:17px;font-weight:900;margin-bottom:10px}
.article-side p{font-size:14px;color:var(--ink-2);margin-bottom:14px}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:stretch}
.form-info{
background:linear-gradient(155deg,#0f7a3d,#16a34a 60%,#22c55e);
border-radius:22px;padding:34px;color:#fff;display:flex;flex-direction:column;gap:14px;
box-shadow:0 22px 50px rgba(22,163,74,.28);
}
.form-info h3{font-size:22px;font-weight:900;color:#fff}
.form-info p{font-size:14.5px;color:#e9fdf0}
.contact-line{display:flex;align-items:center;gap:10px;font-size:14px;color:#eafff2;flex-wrap:wrap}
.contact-line b{color:#fff;font-weight:800}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.form-card h3{font-size:20px;font-weight:900;margin-bottom:6px}
.form-card p.hint{font-size:13.8px;color:var(--muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{
width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfefc;
transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(34,197,94,.14);
}
.field textarea{resize:vertical;min-height:96px}
.form-card .btn{width:100%;margin-top:16px;padding:13px 22px}

/* ---------- qr / join ---------- */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.join-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-sm);display:flex;gap:22px;align-items:center}
.join-card .qr{flex:0 0 132px;width:132px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#f6fef9}
.join-card .qr img{width:100%;height:auto;object-fit:contain}
.join-card h3{font-size:17.5px;font-weight:900;margin-bottom:8px}
.join-card p{font-size:14px;color:var(--muted);margin-bottom:10px}
.join-card .meta{font-size:13.5px;color:var(--ink-2);font-weight:600}

/* ---------- link cloud ---------- */
.link-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.link-cloud a{
font-size:13.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
padding:8px 16px;border-radius:999px;transition:all .22s ease;box-shadow:var(--shadow-sm);
}
.link-cloud a:hover{background:var(--green);color:#fff;border-color:var(--green);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:#0e1f18;color:#c9ded2;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:48px 0 34px}
.footer-brand b{font-size:19px;font-weight:900;color:#fff;display:block;margin-bottom:12px}
.footer-brand p{font-size:13.8px;color:#a9c4b7;line-height:1.8;max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.8px;color:#b6cfc1;transition:color .2s ease}
.footer-col a:hover{color:#a3e635}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:13px;color:#93ada001;color:#93ada0}
.footer-bottom .fb-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom .fb-links a{font-size:13px;color:#a9c4b7}
.footer-bottom .fb-links a:hover{color:#a3e635}

/* ---------- floating ---------- */
.float-kf{
position:fixed;right:22px;bottom:86px;z-index:95;width:56px;height:56px;border-radius:50%;
background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;display:flex;align-items:center;justify-content:center;
box-shadow:0 12px 26px rgba(22,163,74,.4);cursor:pointer;border:none;font-size:13px;font-weight:800;
transition:transform .25s ease,box-shadow .25s ease;
}
.float-kf:hover{transform:scale(1.08);box-shadow:0 16px 32px rgba(22,163,74,.5)}
.back-top{
position:fixed;right:22px;bottom:22px;z-index:95;width:48px;height:48px;border-radius:14px;
background:#fff;border:1.5px solid var(--line);color:var(--green-deep);cursor:pointer;
display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;
font-size:17px;font-weight:900;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}
.kf-modal{
position:fixed;inset:0;z-index:120;background:rgba(10,30,20,.45);
display:none;align-items:center;justify-content:center;padding:20px;
}
.kf-modal.open{display:flex}
.kf-box{background:#fff;border-radius:20px;padding:28px;max-width:320px;width:100%;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.25)}
.kf-box img{width:100%;max-width:220px;margin:0 auto 14px;border-radius:12px;border:1px solid var(--line)}
.kf-box h3{font-size:17px;font-weight:900;margin-bottom:6px}
.kf-box p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.kf-box .btn{width:100%}

/* ---------- responsive ---------- */
@media (max-width:1024px){
.hero h1{font-size:34px}
.hero-inner{grid-template-columns:1fr;gap:32px}
.about-grid,.network-wrap,.form-wrap,.case-grid,.article-grid,.join-grid{grid-template-columns:1fr}
.service-grid,.solution-grid,.price-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
.flow-grid{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:1fr 1fr}
.compare-top{grid-template-columns:1fr}
}
@media (max-width:860px){
.nav-links{
display:none;position:absolute;left:0;right:0;top:100%;
background:#fff;border-bottom:1px solid var(--line);
flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:0;
box-shadow:0 18px 30px rgba(22,163,74,.12);
}
.nav-links.open{display:flex}
.nav-links a{padding:12px 10px;border-radius:10px;font-size:14.5px;border-bottom:1px solid #f0f7f3}
.nav-links a:last-child{border-bottom:none}
.menu-toggle{display:flex}
.nav-actions .btn{padding:9px 16px;font-size:14px}
}
@media (max-width:720px){
.section{padding:48px 0}
.hero{padding:44px 0 40px}
.hero h1{font-size:28px}
.section-head h2{font-size:24px}
.service-grid,.solution-grid,.price-grid,.review-grid{grid-template-columns:1fr}
.flow-grid{grid-template-columns:1fr}
.case-extra{grid-template-columns:1fr}
.form-grid{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr;gap:26px;padding:38px 0 26px}
.join-card{flex-direction:column;align-items:flex-start}
.hero-panel{padding:20px}
.metric-card b{font-size:19px}
.compare-score,.compare-note{padding:24px}
.about-stats{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
.hero h1{font-size:25px}
.hero-cta .btn{width:100%}
.nav-actions .btn-primary{display:none}
.float-kf{width:50px;height:50px;right:16px;bottom:78px}
.back-top{right:16px;bottom:16px}
}