:root{
  --ink:#0f2438;
  --ink-2:#3a5568;
  --muted:#6c8497;
  --line:#e2ecf1;
  --brand:#0ea5a0;
  --brand-2:#2b6ef0;
  --accent:#ff7a45;
  --radius:18px;
  --shadow-sm:0 2px 10px rgba(15,36,56,.05);
  --shadow-md:0 16px 34px rgba(15,36,56,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background-color:#f4f9f9;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    radial-gradient(820px 480px at 6% -4%, rgba(14,165,160,.16), transparent 62%),
    radial-gradient(760px 500px at 98% 6%, rgba(43,110,240,.14), transparent 62%),
    radial-gradient(760px 620px at 46% 46%, rgba(14,165,160,.06), transparent 70%),
    radial-gradient(720px 520px at 12% 96%, rgba(255,122,69,.07), transparent 66%);
}
img{max-width:100%;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:46px 0;}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.32;margin:14px 0 10px;letter-spacing:.01em;font-weight:800;}
.section-head p{margin:0;color:var(--muted);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(14,165,160,.12);color:#0b7a76;font-size:12.5px;font-weight:600;letter-spacing:.06em;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;}
.btn-primary{background:linear-gradient(120deg,#0ea5a0,#2b6ef0);color:#fff;box-shadow:0 10px 24px rgba(43,110,240,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(43,110,240,.32);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{transform:translateY(-2px);border-color:#c9dced;box-shadow:var(--shadow-md);}
.btn:active{transform:translateY(0);}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(226,236,241,.9);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;padding-top:9px;padding-bottom:9px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand img{width:38px;height:auto;display:block;border-radius:9px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-weight:800;font-size:17px;letter-spacing:.03em;}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:.16em;}
.nav{display:flex;align-items:center;gap:18px;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--ink-2);text-decoration:none;border-radius:8px;white-space:nowrap;transition:color .2s,background .2s;}
.nav-links a:hover{color:var(--brand-2);background:rgba(43,110,240,.07);}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 9px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .25s;}

/* hero */
.hero{position:relative;padding:56px 0 62px;overflow:hidden;}
.hero::before{
  content:"";
  position:absolute;
  inset:-16% -6% auto;
  height:130%;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(520px 320px at 12% 22%, rgba(14,165,160,.22), transparent 68%),
    radial-gradient(520px 340px at 84% 6%, rgba(43,110,240,.18), transparent 66%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;}
.hero h1{font-size:clamp(28px,4.3vw,46px);line-height:1.22;margin:18px 0 16px;font-weight:800;letter-spacing:.01em;}
.hero .lead{font-size:16px;color:var(--ink-2);margin:0;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:26px 0 0;padding:0;list-style:none;font-size:14px;color:var(--ink-2);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#0ea5a0,#2b6ef0);flex:0 0 auto;}
.hero-copy>*{opacity:0;animation:riseIn .7s cubic-bezier(.22,.68,.32,1) forwards;}
.hero-copy>*:nth-child(1){animation-delay:.05s;}
.hero-copy>*:nth-child(2){animation-delay:.13s;}
.hero-copy>*:nth-child(3){animation-delay:.21s;}
.hero-copy>*:nth-child(4){animation-delay:.29s;}
.hero-copy>*:nth-child(5){animation-delay:.37s;}
.hero-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.hero-panel>*{opacity:0;animation:riseIn .7s cubic-bezier(.22,.68,.32,1) forwards;}
.hero-panel>*:nth-child(1){animation-delay:.30s;}
.hero-panel>*:nth-child(2){animation-delay:.38s;}
.hero-panel>*:nth-child(3){animation-delay:.46s;}
.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;box-shadow:var(--shadow-sm);}
.metric strong{display:block;font-size:26px;font-weight:800;line-height:1.25;color:#0b7a9c;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}
.metric.wide{grid-column:1 / -1;display:flex;align-items:baseline;gap:14px;background:linear-gradient(120deg,#0ea5a0,#2b6ef0);border-color:transparent;}
.metric.wide strong,.metric.wide span{color:#fff;}
.metric.wide span{margin-top:0;}
@keyframes riseIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* about */
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe6ee;}
.card h3{margin:0 0 8px;font-size:16.5px;}
.card p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.65;}
.dot{display:block;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#0ea5a0,#2b6ef0);margin-bottom:14px;}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.svc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe6ee;}
.svc h3{margin:0 0 8px;font-size:16px;}
.svc p{margin:0;font-size:13.8px;color:var(--ink-2);line-height:1.65;}
.tag-block{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm);}
.tag-block + .tag-block{margin-top:16px;}
.tag-title{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--ink);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag-cloud span{padding:6px 13px;border-radius:999px;background:#f7fbfc;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:border-color .2s,color .2s,transform .2s,background .2s;}
.tag-cloud span:hover{border-color:#9fd3df;color:#0b7a9c;background:#fff;transform:translateY(-2px);}

/* form & tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;min-width:680px;}
th,td{padding:14px 18px;text-align:left;font-size:14.2px;border-bottom:1px solid var(--line);vertical-align:top;}
thead th{background:#f2f8fa;color:#0d3b4f;font-weight:700;font-size:13.8px;white-space:nowrap;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#f8fbfc;}
td:first-child{font-weight:600;color:var(--ink);}

/* score */
.score-card{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;background:linear-gradient(135deg,#f0fbfa,#eef4ff);border:1px solid #d9ecf3;border-radius:20px;padding:26px;margin-bottom:22px;}
.score-num{font-size:44px;font-weight:800;line-height:1;color:#0b7a9c;}
.score-num small{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px;}
.score-title{font-size:16px;font-weight:700;margin:0 0 6px;}
.score-stars{color:#f5a623;font-size:17px;letter-spacing:3px;line-height:1;}
.score-desc{margin:8px 0 0;font-size:14px;color:var(--ink-2);}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.quote{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;transition:transform .22s ease,box-shadow .22s ease;}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote p{margin:0;font-size:14.2px;color:var(--ink-2);line-height:1.7;}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,rgba(14,165,160,.22),rgba(43,110,240,.22));display:grid;place-items:center;font-size:14px;font-weight:700;color:#0b7a9c;flex:0 0 auto;}
.quote-meta b{display:block;font-size:13.5px;font-weight:700;}
.quote-meta em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.case{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.case-thumb{background:#eef5f7;aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center;padding:12px;}
.case-thumb img{max-width:100%;max-height:100%;object-fit:contain;display:block;border-radius:10px;}
.case-body{padding:16px 18px 20px;}
.case-body h3{margin:0 0 6px;font-size:15.5px;}
.case-body p{margin:0;font-size:13.5px;color:var(--ink-2);}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff;background:linear-gradient(135deg,#0ea5a0,#2b6ef0);margin-bottom:14px;}
.step h3{margin:0 0 8px;font-size:15.5px;}
.step p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.65;}

/* faq */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item + .faq-item{margin-top:12px;}
.faq-item:hover{border-color:#cfe6ee;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;background:none;border:none;font:inherit;font-size:15px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;}
.faq-icon{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid #cfe0e8;display:grid;place-items:center;color:#0b7a9c;font-size:14px;font-weight:700;transition:transform .25s,background .25s,color .25s,border-color .25s;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:linear-gradient(135deg,#0ea5a0,#2b6ef0);color:#fff;border-color:transparent;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.2px;color:var(--ink-2);line-height:1.7;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:22px;align-items:start;}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow-sm);}
.panel h3{margin:0 0 18px;font-size:17px;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14.5px;color:var(--ink);background:#fbfdfe;transition:border-color .2s,box-shadow .2s,background .2s;}
.field textarea{resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#7fc7e3;box-shadow:0 0 0 3px rgba(43,110,240,.12);background:#fff;}
.form-submit{margin-top:18px;width:100%;}
.form-hint{margin:10px 0 0;font-size:12.5px;color:var(--muted);text-align:center;}
.contact-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.contact-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:14px;border-bottom:1px dashed #e9f1f5;padding-bottom:11px;}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list .k{color:var(--muted);flex:0 0 auto;}
.contact-list .v{color:var(--ink);font-weight:600;text-align:right;word-break:break-all;}
.contact-list a{color:#0b6fb8;text-decoration:none;}
.contact-list a:hover{text-decoration:underline;}
.qr-box{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);text-align:center;}
.qr-box img{width:130px;height:auto;border-radius:10px;display:block;margin:0 auto 8px;border:1px solid var(--line);}
.qr-box span{font-size:12.5px;color:var(--muted);}

/* footer */
.site-footer{margin-top:26px;background:#0f2233;color:#c8d7e3;}
.footer-inner{padding:40px 20px 22px;}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px;}
.footer-brand p{margin:14px 0 0;font-size:13.5px;line-height:1.75;color:#a9c0d1;max-width:420px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-sub{color:#8fa9bd;}
.footer-contact{margin-top:10px !important;font-size:13px !important;color:#9db4c6 !important;}
.footer-col h3{margin:0 0 14px;font-size:14.5px;color:#fff;font-weight:700;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:#a9c0d1;text-decoration:none;font-size:13.5px;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.friend-links{margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.friend-links h3{margin:0 0 14px;font-size:14px;color:#fff;font-weight:700;}
.friend-list{display:flex;flex-wrap:wrap;gap:9px;}
.friend-list a{padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.07);color:#b7cbdb;font-size:12.8px;text-decoration:none;transition:background .2s,color .2s;}
.friend-list a:hover{background:rgba(255,255,255,.16);color:#fff;}
.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#8ea7ba;text-align:center;}

/* floating */
.floating{position:fixed;right:16px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.float-item{position:relative;}
.float-btn{width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-md);display:grid;place-items:center;cursor:pointer;font-size:12.5px;font-weight:700;transition:transform .2s ease,background .2s ease,opacity .25s ease;}
.float-btn:hover{transform:translateY(-2px);background:#f2fbfa;}
.back-top{opacity:0;pointer-events:none;}
.back-top.show{opacity:1;pointer-events:auto;}
.qr-pop{position:absolute;right:56px;bottom:0;width:172px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow-md);display:none;text-align:center;}
.qr-pop.show{display:block;}
.qr-pop img{width:100%;height:auto;border-radius:8px;display:block;}
.qr-pop span{display:block;margin-top:8px;font-size:12px;color:var(--muted);}

@media (max-width:1024px){
  .nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(15,36,56,.08);padding:6px 20px 18px;}
  .nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:12px 6px;border-bottom:1px solid #f0f5f7;border-radius:0;}
  .nav-toggle{display:flex;}
  .nav-cta{margin-top:14px;width:100%;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-panel{max-width:520px;}
  .about-grid,.svc-grid,.quote-grid,.case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:720px){
  .section{padding:32px 0;}
  .hero{padding:38px 0 44px;}
  .about-grid,.svc-grid,.quote-grid,.case-grid,.steps{grid-template-columns:1fr;}
  .hero-panel{grid-template-columns:1fr;max-width:none;}
  .metric.wide{grid-column:auto;}
  .form-grid{grid-template-columns:1fr;}
  .score-card{grid-template-columns:1fr;gap:16px;text-align:left;}
  .footer-top{grid-template-columns:1fr;}
  .footer-inner{padding:32px 20px 20px;}
  .panel{padding:20px;}
  .floating{right:12px;bottom:16px;}
  .qr-pop{right:54px;width:150px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .hero-copy>*,.hero-panel>*{animation:none;opacity:1;}
  .reveal{opacity:1;transform:none;transition:none;}
  .card,.svc,.case,.quote,.step,.tag-cloud span,.btn{transition:none;}
}