:root{
  --ink:#0b2b33;
  --ink2:#35606a;
  --ink3:#5b8189;
  --teal:#0f9b8e;
  --teal-d:#0b7d74;
  --teal-x:#0b5b55;
  --cyan:#17b6c9;
  --mint:#eef9f8;
  --line:rgba(15,155,142,.16);
  --grad:linear-gradient(135deg,#0f9b8e 0%,#17b6c9 100%);
  --shadow-s:0 6px 20px rgba(11,70,80,.06);
  --shadow-m:0 16px 36px rgba(11,70,80,.11);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background:#f3faf9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(820px 420px at 6% -8%, rgba(23,182,201,.20), transparent 62%),
    radial-gradient(700px 380px at 96% 2%, rgba(15,155,142,.16), transparent 60%),
    radial-gradient(900px 520px at 50% 104%, rgba(23,182,201,.14), transparent 68%),
    linear-gradient(180deg,#f6fcfb 0%,#edf8f7 100%);
}
img{max-width:100%}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.01em}
p{margin:0}
a{color:var(--teal-x)}
.container{
  width:100%;
  max-width:1180px;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,252,251,.90);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:70px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:none;
}
.brand-logo{width:120px;flex:none;display:flex;align-items:center}
.brand-logo img{display:block;max-width:100%;height:auto}
.brand-name{
  font-size:16px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:.04em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links li{flex:none}
.nav-links a{
  display:block;
  padding:8px 9px;
  font-size:14px;
  color:#24505a;
  text-decoration:none;
  border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--teal-d);background:rgba(23,182,201,.12)}
.nav-cta{display:flex;align-items:center;gap:8px;flex:none}
.nav-cta .btn{padding:9px 16px;font-size:14px;border-radius:9px}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid rgba(15,155,142,.28);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--teal-d);border-radius:2px;transition:transform .25s ease,opacity .25s ease}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:11px;
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,155,142,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,155,142,.34)}
.btn-ghost{background:#fff;color:var(--teal-d);border-color:rgba(15,155,142,.30);box-shadow:var(--shadow-s)}
.btn-ghost:hover{background:var(--mint);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{position:relative;padding:62px 0 0;overflow:hidden}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(15,155,142,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(15,155,142,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 28% 8%,#000 0%,transparent 70%);
  mask-image:radial-gradient(ellipse at 28% 8%,#000 0%,transparent 70%);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:52px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(23,182,201,.11);
  border:1px solid rgba(23,182,201,.26);
  color:var(--teal-d);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
}
.hero h1{
  font-size:clamp(30px,3.6vw,42px);
  line-height:1.28;
  margin:18px 0 16px;
  font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--teal-d)}
.hero-sub{font-size:16px;color:var(--ink2);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  padding:0;
  margin:0;
}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink2)}
.hero-points li::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--grad);
  flex:none;
}
.hero-visual{position:relative}
.stack{display:flex;flex-direction:column;gap:16px}
.stack-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 22px;
  box-shadow:var(--shadow-m);
  animation:floaty 6.5s ease-in-out infinite;
}
.stack-card:nth-child(2){margin-left:32px;animation-delay:.7s}
.stack-card:nth-child(3){margin-left:64px;animation-delay:1.4s}
.stack-card strong{display:block;font-size:16px;color:var(--ink)}
.stack-card span{font-size:13.5px;color:var(--ink3)}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-7px)}
}
.hero-foot{padding:48px 0 6px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px 22px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.metric strong{display:block;font-size:28px;line-height:1.15;font-weight:800;color:var(--teal-d)}
.metric span{display:block;font-size:13.5px;color:var(--ink3);margin-top:4px}

/* ---------- section base ---------- */
.section{padding:62px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--teal-d);
  background:rgba(23,182,201,.10);
  border:1px solid rgba(23,182,201,.24);
}
.sec-head h2{font-size:clamp(23px,2.4vw,30px);line-height:1.35;margin:14px 0 10px}
.sec-head p{color:var(--ink2);font-size:15.5px}

/* ---------- generic grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(23,182,201,.38)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink2)}

/* ---------- about ---------- */
.about-intro{max-width:860px;margin-bottom:30px}
.about-intro p{color:var(--ink2);font-size:15.5px;margin-bottom:12px}
.about-intro p:last-child{margin-bottom:0}

/* ---------- services ---------- */
.svc{position:relative;padding-left:26px}
.svc::before{
  content:"";
  position:absolute;
  left:0;
  top:24px;
  bottom:24px;
  width:3px;
  border-radius:3px;
  background:var(--grad);
}
.svc .tag{
  display:inline-block;
  margin-top:14px;
  font-size:12.5px;
  color:var(--teal-d);
  background:rgba(23,182,201,.10);
  border-radius:999px;
  padding:3px 10px;
}
.mini-title{font-size:15px;margin:34px 0 14px;color:var(--ink2);font-weight:700}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud span{
  font-size:13.5px;
  color:#2c5b64;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 15px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);color:var(--teal-d);border-color:rgba(23,182,201,.45)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.step-num{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  margin-bottom:14px;
  box-shadow:0 8px 18px rgba(15,155,142,.24);
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink2)}

/* ---------- solutions ---------- */
.sol{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sol:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:rgba(23,182,201,.38)}
.sol h3{font-size:15.5px;margin-bottom:6px}
.sol p{font-size:13.5px;color:var(--ink3);line-height:1.65}

/* ---------- timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;max-width:860px}
.timeline li{position:relative;padding:0 0 26px 58px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";
  position:absolute;
  left:18px;top:38px;bottom:0;
  width:2px;
  background:linear-gradient(180deg,rgba(23,182,201,.45),rgba(23,182,201,.06));
}
.timeline li:last-child::before{display:none}
.tl-dot{
  position:absolute;left:0;top:0;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,155,142,.24);
}
.timeline h3{font-size:16.5px;margin:4px 0 6px}
.timeline p{font-size:14.5px;color:var(--ink2)}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-s);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.case-media{aspect-ratio:4/3;background:#eef8f7;overflow:hidden}
.case-media img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .45s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:16px;margin-bottom:6px}
.case-body p{font-size:14px;color:var(--ink2)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}
.gallery-item{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-s);
}
.gallery-item img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#eef8f7}

/* ---------- comparison ---------- */
.compare-layout{display:grid;grid-template-columns:minmax(0,.66fr) minmax(0,1.34fr);gap:24px;align-items:start}
.score-card{
  background:linear-gradient(160deg,#ffffff 0%,#f0fbfa 100%);
  border:1px solid rgba(23,182,201,.30);
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow-m);
  text-align:center;
}
.score-card .score-main{display:flex;align-items:baseline;justify-content:center;gap:6px}
.score-card .score-main strong{font-size:52px;line-height:1;font-weight:800;color:var(--teal-d)}
.score-card .score-main span{font-size:16px;color:var(--ink3)}
.stars{margin:12px 0 6px;font-size:20px;letter-spacing:4px;color:#f0a800}
.score-card .score-label{font-size:14.5px;color:var(--ink2);font-weight:600}
.score-card ul{list-style:none;margin:18px 0 0;padding:0;text-align:left}
.score-card ul li{font-size:13.5px;color:var(--ink2);padding:4px 0 4px 20px;position:relative}
.score-card ul li::before{
  content:"";
  position:absolute;left:2px;top:13px;
  width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border-radius:16px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-s);
}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:14.5px}
thead th{
  text-align:left;
  padding:14px 18px;
  font-weight:700;
  font-size:14px;
  color:var(--teal-x);
  background:rgba(15,155,142,.08);
  white-space:nowrap;
}
tbody td{padding:13px 18px;border-top:1px solid rgba(15,155,142,.10);color:var(--ink2);vertical-align:top}
tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
table.compare tbody td:nth-child(2){background:rgba(23,182,201,.07);color:var(--teal-x);font-weight:600}
table.compare thead th:nth-child(2){background:rgba(23,182,201,.16);color:var(--teal-x)}

/* ---------- reviews ---------- */
.review{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--shadow-s);
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.review p{font-size:14.5px;color:var(--ink2)}
.review .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;flex:none;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.who b{display:block;font-size:14px;color:var(--ink)}
.who i{font-style:normal;font-size:12.5px;color:var(--ink3)}

/* ---------- network ---------- */
.net-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.net-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.net-card h3{font-size:15.5px;margin-bottom:8px}
.net-card p{font-size:13.8px;color:var(--ink3)}

/* ---------- help / faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:rgba(23,182,201,.45);box-shadow:var(--shadow-m)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  background:none;
  border:0;
  font-family:inherit;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  line-height:1.5;
}
.faq-q::after{
  content:"+";
  flex:none;
  font-size:20px;
  line-height:1;
  color:var(--teal-d);
  transition:transform .25s ease;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:14px;color:var(--ink2)}
.faq-item.open .faq-a{display:block}
.link-lists{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:34px}
.link-list h3{font-size:16px;margin-bottom:12px}
.link-list ul{list-style:none;margin:0;padding:0}
.link-list li{border-bottom:1px dashed rgba(15,155,142,.22);padding:10px 0}
.link-list li:last-child{border-bottom:0}
.link-list a{
  font-size:14px;
  color:#2c5b64;
  text-decoration:none;
  display:flex;
  align-items:flex-start;
  gap:8px;
  transition:color .2s ease,transform .2s ease;
}
.link-list a:hover{color:var(--teal-d);transform:translateX(3px)}
.link-list a::before{content:"›";color:var(--teal);font-weight:700;line-height:1.5}

/* ---------- partner ---------- */
.partner-card{
  background:linear-gradient(150deg,#ffffff 0%,#eefaf9 100%);
  border:1px solid rgba(23,182,201,.30);
  border-radius:20px;
  padding:34px;
  box-shadow:var(--shadow-m);
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:28px;
  align-items:center;
}
.partner-card h2{font-size:24px;margin-bottom:10px}
.partner-card p{font-size:15px;color:var(--ink2);margin-bottom:8px}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.partner-side{display:flex;flex-direction:column;gap:10px}
.partner-side div{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 16px;
  font-size:13.5px;
  color:var(--ink2);
  box-shadow:var(--shadow-s);
}

/* ---------- form ---------- */
.match-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;align-items:start}
.match-info h2{font-size:clamp(22px,2.3vw,28px);margin:14px 0 12px;line-height:1.35}
.match-info p{font-size:15px;color:var(--ink2);margin-bottom:14px}
.match-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.match-points li{
  font-size:14.5px;
  color:var(--ink2);
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 16px 12px 38px;
  position:relative;
  box-shadow:var(--shadow-s);
}
.match-points li::before{
  content:"";
  position:absolute;left:16px;top:19px;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.match-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow-m);
}
.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:600;color:#24505a}
.field input,.field select,.field textarea{
  width:100%;
  padding:11px 14px;
  border-radius:10px;
  border:1px solid rgba(15,155,142,.28);
  background:#fbfefd;
  font-family:inherit;
  font-size:14.5px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(23,182,201,.15);
}
.match-form .btn{width:100%;margin-top:18px}
.form-note{font-size:12.5px;color:var(--ink3);margin-top:12px;text-align:center}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px;align-items:start}
.contact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.contact-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.contact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.contact-item b{display:block;font-size:13px;color:var(--ink3);font-weight:600;margin-bottom:4px}
.contact-item span,.contact-item a{font-size:15px;color:var(--ink);font-weight:600;text-decoration:none;word-break:break-all}
.contact-item a:hover{color:var(--teal-d)}
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:20px;
  box-shadow:var(--shadow-m);
  text-align:center;
}
.qr-card img{display:block;width:100%;max-width:220px;height:auto;margin:0 auto 12px;border-radius:12px}
.qr-card p{font-size:13.5px;color:var(--ink2)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  background:linear-gradient(180deg,rgba(233,248,246,.55) 0%,rgba(219,243,240,.92) 100%);
  border-top:1px solid var(--line);
  padding:44px 0 24px;
  color:var(--ink);
}
.footer-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:36px;align-items:start}
.footer-brand .brand{margin-bottom:12px}
.footer-brand p{font-size:13.8px;color:#35606a;max-width:320px}
.footer-brand .footer-mail{display:inline-block;margin-top:10px;font-size:13.8px;color:var(--teal-x);text-decoration:none}
.footer-brand .footer-mail:hover{text-decoration:underline}
.footer-links h3{font-size:14px;margin-bottom:12px;color:var(--ink)}
.footer-links ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 18px}
.footer-links a{font-size:13.5px;color:#3d6f78;text-decoration:none;transition:color .2s ease}
.footer-links a:hover{color:var(--teal-d)}
.footer-bottom{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid rgba(15,155,142,.16);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:#4a747d;
}
.footer-bottom .ai-page-home-link{color:#2c5b64;text-decoration:none}
.footer-bottom .ai-page-home-link:hover{color:var(--teal-d);text-decoration:underline}

/* ---------- float tools ---------- */
.float-tools{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.float-btn{
  width:52px;height:52px;
  border-radius:14px;
  border:1px solid rgba(15,155,142,.22);
  background:#fff;
  color:var(--teal-d);
  font-size:13px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 24px rgba(11,70,80,.14);
  transition:transform .2s ease,background-color .2s ease,opacity .25s ease;
}
.float-btn:hover{transform:translateY(-2px);background:#f1fbfa}
#backTop{opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}
.kefu-pop{
  position:absolute;
  right:0;
  bottom:calc(100% + 10px);
  width:206px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  box-shadow:0 16px 34px rgba(11,70,80,.18);
  display:none;
}
.kefu-pop.show{display:block}
.kefu-pop img{display:block;width:100%;height:auto;border-radius:8px}
.kefu-pop p{margin-top:8px;font-size:12.5px;color:var(--ink2);text-align:center}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:12px;
    right:12px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:8px;
    box-shadow:var(--shadow-m);
    max-height:70vh;
    overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;font-size:15px}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:38px}
  .hero-visual{display:none}
  .compare-layout{grid-template-columns:minmax(0,1fr)}
  .partner-card{grid-template-columns:minmax(0,1fr);padding:28px}
  .match-layout{grid-template-columns:minmax(0,1fr)}
  .contact-layout{grid-template-columns:minmax(0,1fr)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:minmax(0,1fr)}
  .link-lists{grid-template-columns:minmax(0,1fr);gap:20px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .hero{padding-top:44px}
  .hero-foot{padding-top:36px}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .metric{padding:16px}
  .metric strong{font-size:24px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .contact-list{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .match-form{padding:22px}
  .score-card{padding:22px}
  .score-card .score-main strong{font-size:44px}
  .brand-logo{width:96px}
  .brand-name{font-size:15px}
  .nav-cta .btn{padding:8px 12px;font-size:13px}
  .float-tools{right:12px;bottom:14px}
  .float-btn{width:46px;height:46px;font-size:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .stack-card{animation:none}
  .js .reveal{opacity:1;transform:none;transition:none}
}