:root{
  --ink:#0e2b33;
  --ink-soft:#22474f;
  --muted:#57767f;
  --cyan:#0ba8a0;
  --cyan-dark:#067672;
  --cyan-deep:#0a5f5c;
  --cyan-soft:#e6f8f6;
  --line:rgba(11,168,160,.16);
  --radius:16px;
  --shadow:0 10px 30px rgba(9,110,105,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:#f3fbfa;
  background-image:
    radial-gradient(900px 520px at 6% 0%,#d6f3f0 0%,rgba(214,243,240,0) 62%),
    radial-gradient(900px 520px at 94% 4%,#e3f7fd 0%,rgba(227,247,253,0) 60%),
    linear-gradient(180deg,#f2fbfa 0%,#eef8f8 34%,#f6fbfb 68%,#eef8f8 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-tint{
  background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(232,249,247,.6));
  border-top:1px solid rgba(11,168,160,.10);
  border-bottom:1px solid rgba(11,168,160,.10);
}
.sec-head{max-width:760px;margin:0 auto 40px;text-align:center;}
.sec-head.left{text-align:left;margin-left:0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--cyan-dark);background:rgba(11,168,160,.10);
  padding:5px 14px;border-radius:999px;
}
.sec-head h2{
  margin:16px 0 12px;font-size:clamp(22px,3vw,32px);line-height:1.35;
  font-weight:700;color:#0b2a31;letter-spacing:-.01em;
}
.sec-desc{margin:0;color:var(--muted);font-size:15.5px;line-height:1.8;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  white-space:nowrap;font-family:inherit;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  background:linear-gradient(135deg,#12bdb3,#067a76);
  color:#fff;box-shadow:0 10px 24px rgba(10,163,156,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(10,163,156,.38);}
.btn-ghost{
  background:#fff;color:#076b67;border-color:rgba(11,168,160,.38);
  box-shadow:0 6px 16px rgba(11,168,160,.10);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(11,168,160,.68);box-shadow:0 12px 26px rgba(11,168,160,.16);}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(252,255,255,.9);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid rgba(11,168,160,.14);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:16px;}
.brand .ai-page-logo{max-height:38px;width:auto;display:block;border-radius:6px;}
.brand-text{letter-spacing:.02em;white-space:nowrap;}
.site-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:9px 11px;font-size:14.5px;font-weight:500;
  color:#20464e;text-decoration:none;border-radius:9px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--cyan-dark);background:rgba(11,168,160,.10);}
.header-cta{margin-left:14px;padding:10px 20px;font-size:14.5px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--cyan-dark);font-size:18px;cursor:pointer;
}

/* hero */
.hero{position:relative;overflow:hidden;padding:74px 0 80px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,168,160,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,168,160,.07) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 32%,#000 0%,transparent 76%);
  mask-image:radial-gradient(ellipse at 50% 32%,#000 0%,transparent 76%);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-170px;top:-190px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(13,182,173,.22),rgba(13,182,173,0) 68%);
  animation:drift 13s ease-in-out infinite;
}
@keyframes drift{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-26px,28px,0);}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
.hero-copy > *{animation:riseIn .72s both;}
.hero-copy > *:nth-child(1){animation-delay:.04s;}
.hero-copy > *:nth-child(2){animation-delay:.12s;}
.hero-copy > *:nth-child(3){animation-delay:.2s;}
.hero-copy > *:nth-child(4){animation-delay:.28s;}
.hero-copy > *:nth-child(5){animation-delay:.36s;}
@keyframes riseIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
.hero h1{
  margin:18px 0 16px;font-size:clamp(28px,4.4vw,45px);line-height:1.22;
  font-weight:800;letter-spacing:-.02em;color:#082a31;
}
.hero h1 span{display:block;color:var(--cyan-dark);}
.hero-lead{margin:0 0 26px;font-size:16px;line-height:1.85;color:var(--ink-soft);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;list-style:none;margin:0;padding:0;}
.hero-points li{position:relative;padding-left:20px;font-size:14px;color:var(--muted);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,#14c4b9,#078a86);
  box-shadow:0 0 0 4px rgba(11,168,160,.14);
}
.hero-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.stat-card{
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;
  padding:22px 18px;display:flex;flex-direction:column;gap:6px;
  box-shadow:0 12px 28px rgba(9,110,105,.08);
  animation:riseIn .8s both;transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:nth-child(1){animation-delay:.28s;}
.stat-card:nth-child(2){animation-delay:.36s;}
.stat-card:nth-child(3){animation-delay:.44s;}
.stat-card:nth-child(4){animation-delay:.52s;}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(9,110,105,.14);}
.stat-num{
  font-size:28px;font-weight:800;line-height:1.1;letter-spacing:-.02em;
  color:var(--cyan-dark);
}
.stat-label{font-size:13.5px;color:var(--muted);line-height:1.55;}

/* generic cards */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(9,110,105,.13);border-color:rgba(11,168,160,.34);}
.card h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#0b2f36;}
.card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;}
.about-visual{display:grid;gap:16px;}
.media{
  border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:#e9f7f6;box-shadow:var(--shadow);
}
.media img{display:block;width:100%;height:auto;}
.about-body p{margin:0 0 18px;color:var(--ink-soft);font-size:15.5px;line-height:1.85;}
.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.feature-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-soft);line-height:1.7;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:linear-gradient(135deg,#19c9be,#068a86);
}
.feature-list strong{color:#0a5f5c;}

/* service grid */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;}
.service-card{position:relative;overflow:hidden;}
.service-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,#12bdb3,rgba(18,189,179,0));
}
.service-card h3{padding-top:6px;}

/* studio */
.studio-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start;}
.studio-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.studio-list li{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.studio-list li:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(9,110,105,.13);border-color:rgba(11,168,160,.34);}
.studio-list h3{margin:0 0 6px;font-size:16.5px;color:#0b2f36;}
.studio-list p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* solutions */
.solution-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;}
.solution-card{border-left:3px solid rgba(11,168,160,.45);}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.network-item{
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.network-item:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(9,110,105,.13);}
.network-item h3{margin:0 0 8px;font-size:16px;color:#0b2f36;display:flex;align-items:center;gap:8px;}
.network-item h3::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,#19c9be,#078a86);
  box-shadow:0 0 0 4px rgba(11,168,160,.13);
}
.network-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* process */
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.process-step{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.process-step:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(9,110,105,.13);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-weight:700;font-size:15px;
  color:#fff;background:linear-gradient(135deg,#12bdb3,#068a86);margin-bottom:12px;
}
.process-step h3{margin:0 0 6px;font-size:16px;color:#0b2f36;}
.process-step p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(9,110,105,.14);}
.case-body{padding:18px 20px 20px;}
.case-body h3{margin:0 0 6px;font-size:16px;color:#0b2f36;}
.case-body p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* review */
.score-banner{
  display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center;
  background:linear-gradient(135deg,#0f5f5d,#0a8a85 60%,#12b3a9);
  border-radius:20px;padding:30px;margin-bottom:26px;
  box-shadow:0 18px 40px rgba(8,96,92,.24);
}
.score-main{color:#fff;text-align:center;}
.score-stars{font-size:20px;letter-spacing:4px;color:#ffe7a6;}
.score-value{font-size:44px;font-weight:800;line-height:1.1;margin:6px 0 4px;color:#fff;}
.score-value span{font-size:16px;font-weight:500;opacity:.85;margin-left:4px;}
.score-main p{margin:0;font-size:13.5px;color:#d7f3f1;}
.score-points{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;
  list-style:none;margin:0;padding:0;
}
.score-points li{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:10px;padding:9px 12px;font-size:13.5px;color:#fff;text-align:center;
}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;color:var(--ink-soft);}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(11,168,160,.10);vertical-align:top;line-height:1.65;}
thead th{background:linear-gradient(135deg,#e8faf8,#f3fdfc);color:#0a6663;font-weight:700;white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(11,168,160,.045);}
td strong{color:#0a5f5c;}
.table-note{margin:14px 0 0;font-size:13.5px;color:var(--muted);}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;}
.review-card{display:flex;flex-direction:column;gap:12px;}
.review-text{margin:0;font-size:14.5px;color:var(--ink-soft);line-height:1.85;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#12bdb3,#078a86);color:#fff;font-weight:700;font-size:15px;
}
.review-meta strong{display:block;font-size:14.5px;color:#0b2f36;}
.review-meta span{font-size:13px;color:var(--muted);}

/* help */
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.panel h3{margin:0 0 10px;font-size:18px;color:#0b2f36;}
.panel p{margin:0 0 16px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;}
.tag-cloud li span{
  display:inline-block;padding:7px 14px;border-radius:999px;font-size:13.5px;
  background:rgba(11,168,160,.09);color:#0a6663;border:1px solid rgba(11,168,160,.20);
  transition:background .2s ease,transform .2s ease;
}
.tag-cloud li span:hover{background:rgba(11,168,160,.18);transform:translateY(-2px);}
.articles-box{
  min-height:60px;padding:16px;border-radius:12px;
  background:linear-gradient(135deg,#f1fbfa,#eaf8f8);border:1px dashed rgba(11,168,160,.30);
  font-size:14px;color:var(--ink-soft);
}

/* faq */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:0 6px 18px rgba(9,110,105,.05);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(11,168,160,.38);box-shadow:0 12px 26px rgba(9,110,105,.10);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 54px 17px 20px;
  font-size:15.5px;font-weight:600;color:#0b2f36;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:600;color:var(--cyan-dark);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* form */
.demand-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
.demand-info{
  background:linear-gradient(150deg,#0d6b68,#0a918b 65%,#12ada3);
  border-radius:20px;padding:30px;color:#fff;box-shadow:0 18px 40px rgba(8,96,92,.22);
}
.demand-info h3{margin:0 0 12px;font-size:20px;color:#fff;}
.demand-info p{margin:0 0 18px;font-size:14.5px;line-height:1.85;color:#d9f5f3;}
.demand-info ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.demand-info li{
  position:relative;padding-left:20px;font-size:14px;color:#eafbfa;line-height:1.7;
}
.demand-info li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:#8ff0e8;
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:#184850;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid rgba(11,168,160,.28);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(11,168,160,.15);
}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-tip{font-size:13px;color:var(--muted);margin:0;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.contact-list li{
  display:flex;flex-wrap:wrap;gap:6px;font-size:14.5px;color:var(--ink-soft);
  padding-bottom:12px;border-bottom:1px dashed rgba(11,168,160,.22);
}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list strong{color:#0a5f5c;font-weight:600;min-width:88px;}
.contact-list a{color:var(--cyan-dark);text-decoration:none;word-break:break-all;}
.contact-list a:hover{text-decoration:underline;}
.qr-card{text-align:center;}
.qr-box{
  display:inline-block;padding:12px;border-radius:14px;background:#f1fbfa;
  border:1px solid var(--line);margin-bottom:14px;
}
.qr-box img{display:block;width:170px;height:auto;border-radius:8px;}
.qr-card h3{margin:0 0 8px;font-size:17px;color:#0b2f36;}
.qr-card p{margin:0 0 8px;font-size:14px;color:var(--muted);line-height:1.75;}
.qr-card .agent-note{
  margin-top:14px;padding:14px;border-radius:12px;text-align:left;
  background:rgba(11,168,160,.08);font-size:13.5px;color:#0a5f5c;line-height:1.75;
}

/* footer */
.site-footer{
  margin-top:0;padding:52px 0 26px;
  background:linear-gradient(135deg,#08363a,#0a4a4c 60%,#0b5457);
  color:#d7efee;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;align-items:start;}
.footer-brand .ai-page-logo{max-height:40px;width:auto;display:block;margin-bottom:14px;border-radius:6px;}
.footer-brand p{margin:0 0 12px;font-size:14px;color:#c3e5e3;line-height:1.8;max-width:320px;}
.footer-site{display:inline-block;font-size:14px;color:#8ff0e8;text-decoration:none;}
.footer-site:hover{text-decoration:underline;}
.footer-links h3{margin:0 0 14px;font-size:15px;color:#fff;font-weight:700;}
.footer-links ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-links a{font-size:14px;color:#b8dedd;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#8ff0e8;}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#a9d4d2;
}
.footer-bottom p{margin:0;}

/* float */
.float-bar{position:fixed;right:18px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:16px;border:1px solid rgba(11,168,160,.28);
  background:#fff;color:#0a5f5c;font-size:13px;font-weight:600;line-height:1.2;
  text-align:center;text-decoration:none;cursor:pointer;
  box-shadow:0 10px 24px rgba(9,110,105,.16);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;padding:0;
}
.float-btn:hover{transform:translateY(-3px);background:#f0fbfa;box-shadow:0 14px 28px rgba(9,110,105,.22);}
#backTop{opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;}
#backTop.show{opacity:1;visibility:visible;}

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

@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-panel{grid-template-columns:repeat(4,1fr);}
  .about-grid,.studio-grid,.help-grid,.demand-wrap,.contact-grid{grid-template-columns:1fr;}
  .score-banner{grid-template-columns:1fr;text-align:center;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid rgba(11,168,160,.16);
    padding:10px 20px 18px;box-shadow:0 18px 30px rgba(9,110,105,.12);
  }
  .site-nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-links a{padding:13px 6px;font-size:15px;border-bottom:1px solid rgba(11,168,160,.10);border-radius:0;}
  .nav-links li:last-child a{border-bottom:none;}
  .header-cta{margin:14px 0 0;width:100%;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .hero{padding:52px 0 56px;}
  .hero-panel{grid-template-columns:repeat(2,1fr);}
  .sec-head{margin-bottom:30px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .float-btn{width:48px;height:48px;font-size:12.5px;border-radius:14px;}
  .table-wrap{border-radius:12px;}
}
@media (max-width:480px){
  .brand-text{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .score-value{font-size:36px;}
}