:root{
  --mint-50:#f2fbf7;
  --mint-100:#e3f6ee;
  --mint-200:#c9ecdd;
  --mint-300:#9bdec6;
  --mint-400:#5ec9a5;
  --mint-500:#22a97f;
  --mint-600:#12906a;
  --mint-700:#0c7257;
  --ink:#0f2f27;
  --ink-2:#254a41;
  --muted:#5d7d73;
  --line:#d8ece3;
  --white:#ffffff;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.72;
  color:var(--ink);
  background-color:#f5fcf8;
  background-image:
    radial-gradient(1100px 520px at 6% -10%, #ddf7ea 0%, rgba(221,247,234,0) 62%),
    radial-gradient(900px 480px at 98% 2%, #e9f9f1 0%, rgba(233,249,241,0) 58%),
    linear-gradient(180deg, #f8fdfb 0%, #f1faf5 45%, #f6fcf9 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.2px;}
a{color:var(--mint-700);}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:88px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#18ac7f,#0c7a5c);
  color:#fff;
  box-shadow:0 10px 22px rgba(18,144,106,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(18,144,106,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(18,144,106,.28);}
.btn-ghost{
  background:#fff;color:var(--mint-700);border-color:var(--mint-300);
  box-shadow:0 6px 16px rgba(18,144,106,.08);
}
.btn-ghost:hover{transform:translateY(-2px);background:var(--mint-50);box-shadow:0 12px 24px rgba(18,144,106,.14);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(250,255,252,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--ink);flex:0 0 auto;
}
.ai-page-logo{
  display:block;width:auto;max-height:36px;
  border-radius:6px;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;}
.nav-links{
  display:flex;align-items:center;gap:0;
  list-style:none;margin:0;padding:0;
}
.nav-links a{
  display:block;padding:8px 10px;border-radius:8px;
  color:var(--ink-2);text-decoration:none;font-size:14px;
  white-space:nowrap;transition:color .2s ease, background .2s ease;
}
.nav-links a:hover{color:var(--mint-700);background:var(--mint-100);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:10px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .26s ease, opacity .26s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 34px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(18,144,106,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,144,106,.06) 1px, transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(62% 58% at 50% 38%, #000 0%, transparent 100%);
  mask-image:radial-gradient(62% 58% at 50% 38%, #000 0%, transparent 100%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:44px;align-items:center;
}
.eyebrow{
  display:inline-block;margin:0 0 12px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:var(--mint-700);background:var(--mint-100);
}
.hero h1{
  margin:0 0 16px;font-size:clamp(28px,4.4vw,46px);font-weight:800;
  color:var(--ink);letter-spacing:-.8px;
}
.hero h1 .hl{color:var(--mint-600);}
.hero-sub{margin:0 0 26px;color:var(--muted);font-size:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{margin:16px 0 0;font-size:13.5px;color:var(--mint-700);font-weight:600;}
.hero-note::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint-500);margin-right:7px;vertical-align:middle;}

.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px 24px;box-shadow:0 18px 42px rgba(18,144,106,.1);
}
.panel-title{margin:0 0 16px;font-size:15px;font-weight:800;color:var(--ink);}
.panel-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.panel-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--ink-2);
  padding:10px 12px;background:var(--mint-50);border-radius:11px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint-500);margin-top:8px;flex:0 0 auto;}
.panel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.panel-tags span{
  font-size:12.5px;color:var(--mint-700);background:var(--mint-100);
  border-radius:999px;padding:4px 11px;
}

/* ---------- Stats ---------- */
.stats{padding:14px 0 10px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 16px;text-align:center;
  box-shadow:0 8px 24px rgba(18,144,106,.06);
  transition:transform .25s ease, box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(18,144,106,.13);}
.stat strong{display:block;font-size:25px;color:var(--mint-700);letter-spacing:-.5px;}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:2px;}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
.section-head{max-width:780px;margin-bottom:32px;}
.section-head h2{margin:0 0 14px;font-size:clamp(22px,2.8vw,32px);color:var(--ink);font-weight:800;}
.lead{margin:0;color:var(--muted);font-size:15.5px;}

/* ---------- About ---------- */
.about-lead{
  margin:0 0 28px;color:var(--ink-2);font-size:15.5px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--mint-400);
  border-radius:0 16px 16px 0;padding:22px 24px;
  box-shadow:0 8px 22px rgba(18,144,106,.05);
}
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cap-card:hover{transform:translateY(-4px);border-color:var(--mint-300);box-shadow:0 16px 34px rgba(18,144,106,.13);}
.cap-card h3{margin:0 0 8px;font-size:16px;color:var(--ink);}
.cap-card p{margin:0;font-size:14px;color:var(--muted);}
.cap-icon{
  width:34px;height:34px;border-radius:10px;margin-bottom:12px;
  background:linear-gradient(135deg,var(--mint-200),var(--mint-400));
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--mint-700);
}

/* ---------- Service cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--mint-300);box-shadow:0 16px 34px rgba(18,144,106,.13);}
.svc-index{font-size:12.5px;font-weight:800;color:var(--mint-400);letter-spacing:1px;}
.svc-card h3{margin:0;font-size:16.5px;color:var(--ink);}
.svc-card p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- Studio tools ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:28px;}
.tool-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px;box-shadow:0 6px 18px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.tool-item:hover{transform:translateY(-3px);background:var(--mint-50);box-shadow:0 14px 28px rgba(18,144,106,.12);}
.tool-item h3{margin:0 0 6px;font-size:15px;color:var(--ink);}
.tool-item p{margin:0;font-size:13.5px;color:var(--muted);}
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
}
.tag-cloud span{
  font-size:13px;color:var(--ink-2);background:var(--mint-50);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.tag-cloud span:hover{background:var(--mint-100);color:var(--mint-700);border-color:var(--mint-300);}

/* ---------- Industry ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.ind-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease;
}
.ind-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(18,144,106,.13);}
.ind-card h3{margin:0 0 8px;font-size:16px;color:var(--ink);}
.ind-card p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- Network ---------- */
.net-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.net-card{
  background:linear-gradient(160deg,#ffffff 0%,#f3fbf7 100%);
  border:1px solid var(--line);border-radius:18px;padding:26px 22px;
  box-shadow:0 8px 24px rgba(18,144,106,.06);
  transition:transform .25s ease, box-shadow .25s ease;
}
.net-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(18,144,106,.13);}
.net-card h3{margin:0 0 10px;font-size:16.5px;color:var(--ink);}
.net-card p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  box-shadow:0 6px 18px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--mint-300);box-shadow:0 14px 30px rgba(18,144,106,.12);}
.step-num{
  width:30px;height:30px;border-radius:50%;margin-bottom:12px;
  background:var(--mint-100);color:var(--mint-700);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
}
.step h3{margin:0 0 6px;font-size:15px;color:var(--ink);}
.step p{margin:0;font-size:13.5px;color:var(--muted);}

/* ---------- Cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.case-card{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(18,144,106,.13);}
.case-media{
  aspect-ratio:4 / 3;background:var(--mint-50);
  display:flex;align-items:center;justify-content:center;
  padding:12px;border-bottom:1px solid #eef8f3;
}
.case-media img{
  display:block;max-width:100%;max-height:100%;width:auto;height:auto;
  object-fit:contain;border-radius:8px;
}
.case-card figcaption{padding:18px 20px 20px;}
.case-card h3{margin:0 0 6px;font-size:15.5px;color:var(--ink);}
.case-card p{margin:0;font-size:13.5px;color:var(--muted);}

/* ---------- Review / rating ---------- */
.rating-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;
  background:linear-gradient(130deg,#0f8a68 0%,#12a67f 55%,#27ba90 100%);
  border-radius:18px;padding:26px 28px;margin-bottom:22px;
  box-shadow:0 18px 40px rgba(18,144,106,.24);
}
.rating-score{font-size:42px;font-weight:800;color:#ffffff;line-height:1;letter-spacing:-1px;}
.rating-score span{font-size:16px;font-weight:600;opacity:.85;margin-left:4px;}
.rating-stars{font-size:20px;letter-spacing:3px;color:#ffe9a8;}
.rating-label{margin:0;font-size:14px;font-weight:700;color:#ffffff;}
.rating-desc{margin:0;font-size:13.5px;color:rgba(255,255,255,.9);flex:1 1 260px;min-width:220px;}

.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 8px 24px rgba(18,144,106,.06);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14px;}
thead th{
  background:var(--mint-100);color:var(--mint-700);
  font-weight:700;font-size:13.5px;text-align:left;
  padding:14px 16px;white-space:nowrap;
}
tbody td{padding:14px 16px;border-bottom:1px solid #eef8f3;color:var(--ink-2);vertical-align:top;}
tbody th{
  padding:14px 16px;border-bottom:1px solid #eef8f3;
  text-align:left;font-weight:700;color:var(--ink);background:#fbfefc;
  white-space:nowrap;
}
tbody tr:hover td{background:#f6fcf9;}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:none;}
.cell-best{color:var(--mint-700);font-weight:700;}

/* ---------- Token ---------- */
.token-note{
  margin:16px 0 0;font-size:13.5px;color:var(--muted);
  background:var(--mint-50);border:1px dashed var(--mint-300);
  border-radius:12px;padding:14px 18px;
}

/* ---------- Form ---------- */
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:28px;box-shadow:0 12px 32px rgba(18,144,106,.08);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.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:11px 14px;border:1px solid var(--line);border-radius:10px;
  background:#fbfefc;font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint-400);background:#fff;
  box-shadow:0 0 0 3px rgba(94,201,165,.18);
}
.form-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;
}
.form-foot p{margin:0;font-size:13px;color:var(--muted);}

/* ---------- Voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.voice-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px 22px 22px;
  box-shadow:0 6px 20px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.voice-card:hover{transform:translateY(-4px);border-color:var(--mint-300);box-shadow:0 18px 36px rgba(18,144,106,.13);}
.voice-card::before{
  content:"";position:absolute;top:18px;right:22px;width:26px;height:26px;
  border-radius:50%;background:var(--mint-100);
}
.voice-text{margin:0 0 18px;font-size:14.5px;color:var(--ink-2);}
.voice-user{display:flex;align-items:center;gap:11px;}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--mint-200),var(--mint-400));
  color:#0b5e49;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.voice-name{margin:0;font-size:14px;font-weight:700;color:var(--ink);}
.voice-role{margin:0;font-size:12.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease, box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--mint-300);box-shadow:0 14px 30px rgba(18,144,106,.1);}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:17px 56px 17px 20px;
  font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--mint-600);border-bottom:2px solid var(--mint-600);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item p{margin:0;padding:0 20px 18px;font-size:14.5px;color:var(--muted);}

/* ---------- Wiki ---------- */
.wiki-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.wiki-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;
  box-shadow:0 6px 18px rgba(18,144,106,.05);
  transition:transform .25s ease, box-shadow .25s ease;
}
.wiki-card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(18,144,106,.12);}
.wiki-card h3{margin:0 0 6px;font-size:15px;color:var(--ink);}
.wiki-card p{margin:0;font-size:13.5px;color:var(--muted);}

/* ---------- News ---------- */
.news-panel{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;
  box-shadow:0 10px 28px rgba(18,144,106,.07);
}
.news-panel h3{margin:0 0 6px;font-size:17px;color:var(--ink);}
.news-panel .news-desc{margin:0 0 16px;font-size:13.5px;color:var(--muted);}
.news-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.news-links a{
  display:flex;align-items:center;gap:10px;
  padding:13px 16px;border:1px solid var(--line);border-radius:12px;
  background:var(--mint-50);color:var(--ink-2);text-decoration:none;font-size:14.5px;
  transition:background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
}
.news-links a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--mint-500);flex:0 0 auto;
}
.news-links a:hover{background:var(--mint-100);border-color:var(--mint-300);color:var(--mint-700);transform:translateX(3px);}
.shortcode-slot{
  margin-top:16px;padding:12px 16px;border-radius:12px;
  background:#fbfefc;border:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:22px;align-items:start;}
.contact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.contact-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;
  box-shadow:0 6px 18px rgba(18,144,106,.05);
}
.contact-item h3{margin:0 0 6px;font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.5px;}
.contact-item p{margin:0;font-size:14.5px;color:var(--ink);font-weight:600;word-break:break-all;}
.contact-qr{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;text-align:center;
  box-shadow:0 10px 28px rgba(18,144,106,.08);
}
.contact-qr img{
  display:block;width:100%;max-width:200px;height:auto;margin:0 auto 12px;border-radius:10px;
}
.contact-qr p{margin:0;font-size:13.5px;color:var(--muted);}

/* ---------- Join ---------- */
.join-panel{
  background:linear-gradient(130deg,#0e8163 0%,#13a67e 60%,#2ec296 100%);
  border-radius:20px;padding:36px 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 20px 44px rgba(18,144,106,.24);
}
.join-panel h2{margin:0 0 10px;font-size:clamp(20px,2.6vw,28px);color:#ffffff;font-weight:800;}
.join-panel p{margin:0;font-size:14.5px;color:rgba(255,255,255,.92);max-width:640px;}
.join-panel .btn-light{
  background:#ffffff;color:var(--mint-700);border-color:#ffffff;
  box-shadow:0 10px 24px rgba(0,0,0,.14);
}
.join-panel .btn-light:hover{transform:translateY(-2px);background:#f2fbf7;}

/* ---------- Footer ---------- */
.site-footer{
  background:#eaf8f1;border-top:1px solid var(--line);
  color:#254a41;padding:38px 0 20px;margin-top:0;
}
.footer-top{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:28px;align-items:start;
}
.footer-brand-name{margin:0 0 10px;font-size:17px;font-weight:800;color:#123a31;letter-spacing:.5px;}
.footer-desc{margin:0 0 10px;font-size:13.5px;color:#3d6157;max-width:420px;}
.footer-meta{margin:0;font-size:13.5px;color:#3d6157;}
.footer-meta a{color:#0c7257;text-decoration:none;font-weight:600;}
.footer-meta a:hover{text-decoration:underline;}
.footer-links h3{margin:0 0 12px;font-size:14px;color:#123a31;font-weight:800;}
.footer-links ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.footer-links a{
  display:inline-block;font-size:12.5px;text-decoration:none;
  color:#2f5b50;background:#ffffff;border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.footer-links a:hover{color:#0c7257;border-color:var(--mint-300);background:#f4fcf8;}
.footer-bottom{
  margin-top:26px;padding-top:16px;border-top:1px solid #d2e9de;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:12.5px;color:#4a6d63;}
.footer-bottom a{font-size:12.5px;color:#0c7257;text-decoration:none;font-weight:600;}
.footer-bottom a:hover{text-decoration:underline;}

/* ---------- Floating ---------- */
.float-service{position:fixed;right:18px;bottom:84px;z-index:130;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,#18ac7f,#0c7a5c);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(18,144,106,.34);
  transition:transform .22s ease, box-shadow .22s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(18,144,106,.4);}
.float-btn svg{width:24px;height:24px;fill:#fff;}
.float-panel{
  width:214px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 18px 40px rgba(18,144,106,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  text-align:center;
}
.float-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.float-panel img{display:block;width:100%;max-width:150px;height:auto;margin:0 auto 10px;border-radius:8px;}
.float-panel p{margin:0;font-size:12.5px;color:var(--muted);}
.float-panel .fp-title{font-size:13px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.back-top{
  position:fixed;right:18px;bottom:22px;z-index:130;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--mint-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px rgba(18,144,106,.14);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--mint-50);}
.back-top svg{width:18px;height:18px;fill:currentColor;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
.no-js .reveal{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{position:static;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#ffffff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(15,47,39,.1);
    max-height:0;overflow:hidden;padding:0 20px;
    transition:max-height .32s ease, padding .32s ease;
  }
  .nav-links.open{max-height:600px;overflow:auto;padding:10px 20px 16px;}
  .nav-links a{padding:12px 6px;font-size:15px;border-bottom:1px solid #f0f9f5;}
  .nav-links li:last-child a{border-bottom:none;}

  .hero{padding:44px 0 26px;}
  .hero-inner{grid-template-columns:1fr;gap:26px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ind-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .net-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .voice-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .wiki-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
}

@media (max-width:640px){
  .section{padding:40px 0;}
  .header-inner{min-height:62px;gap:10px;}
  .brand-name{font-size:15.5px;}
  .ai-page-logo{max-height:30px;}
  .header-actions .btn-sm{padding:8px 13px;font-size:13px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{padding:11px 18px;font-size:14.5px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .cap-grid,.card-grid,.tool-grid,.ind-grid,.steps,.case-grid,.voice-grid,.wiki-grid,.form-grid{grid-template-columns:1fr;}
  .contact-list{grid-template-columns:1fr;}
  .form-panel{padding:20px;}
  .news-panel{padding:20px;}
  .rating-card{padding:22px;gap:16px;}
  .rating-score{font-size:36px;}
  .join-panel{padding:26px 22px;}
  .float-service{bottom:78px;right:14px;}
  .back-top{right:14px;bottom:18px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}