:root{
  --mint-900:#0a3d2f;
  --mint-700:#0b7a5b;
  --mint-600:#12a37c;
  --mint-500:#19c495;
  --mint-100:#d9f7ec;
  --mint-50:#eefaf5;
  --ink:#12302a;
  --ink-soft:#4a635c;
  --line:#d8ece5;
  --bg:#f3fbf7;
  --white:#ffffff;
  --shadow-sm:0 6px 18px rgba(16,110,85,.06);
  --shadow-md:0 16px 34px rgba(16,110,85,.12);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#f2fbf7 0%,#eef9f4 38%,#f5fcF9 70%,#eef9f4 100%);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
section[id],div[id="match"]{scroll-margin-top:84px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(243,251,247,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(216,236,229,.9);
}
.header-inner{
  max-width:1180px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-logo-box{display:flex;align-items:center;height:34px;overflow:hidden}
.ai-page-logo{display:block;height:34px;width:auto}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;color:var(--mint-900)}
.nav-wrap{display:flex;align-items:center;gap:14px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:block;padding:8px 12px;font-size:14.5px;color:#27473d;
  border-radius:8px;transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{background:var(--mint-100);color:var(--mint-700)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--mint-900);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--mint-700);color:#fff;box-shadow:0 10px 22px rgba(11,122,91,.22)}
.btn-primary:hover{background:#096a4f;box-shadow:0 14px 28px rgba(11,122,91,.3);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--mint-700);border-color:#bfe6d8}
.btn-ghost:hover{background:var(--mint-50);border-color:var(--mint-600);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ hero ============ */
.hero{padding:64px 0 8px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,196,149,.18),rgba(25,196,149,0) 68%);
  top:-200px;right:-140px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,227,192,.22),rgba(127,227,192,0) 70%);
  bottom:-220px;left:-160px;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--mint-100);color:var(--mint-700);
  font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.32;margin:18px 0 18px;
  letter-spacing:.5px;color:#0c2e25;font-weight:800;
}
.hero .lead{color:var(--ink-soft);font-size:16px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags span{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);color:#33564b;
}

.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:18px;position:relative;
  animation:floatUp .8s ease both;
}
@keyframes floatUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.panel-head{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.panel-head .dot{width:9px;height:9px;border-radius:50%;background:var(--mint-500);opacity:.75}
.panel-head .dot:nth-child(2){opacity:.5}
.panel-head .dot:nth-child(3){opacity:.3}
.panel-title{margin-left:8px;font-size:13.5px;color:var(--ink-soft);letter-spacing:.5px}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.panel-cell{
  background:linear-gradient(160deg,#f5fdf9,#eafaf3);
  border:1px solid #e2f3ec;border-radius:12px;padding:14px 12px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.panel-cell:hover{transform:translateY(-3px);box-shadow:0 10px 20px rgba(16,110,85,.1)}
.panel-cell b{display:block;font-size:14.5px;color:var(--mint-900);margin-bottom:4px}
.panel-cell span{font-size:12.5px;color:var(--ink-soft);line-height:1.5;display:block}
.panel-foot{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--mint-700);text-align:center;font-weight:600;
}

.metrics{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:52px;padding:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.metric{text-align:center;padding:6px 4px;border-right:1px dashed var(--line)}
.metric:last-child{border-right:none}
.metric strong{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--mint-700);font-weight:800;line-height:1.2}
.metric span{font-size:13.5px;color:var(--ink-soft)}

/* ============ section ============ */
.section{padding:74px 0}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center}
.section-head h2{
  font-size:clamp(22px,3vw,32px);margin-top:14px;letter-spacing:.5px;
  color:#0c2e25;font-weight:800;line-height:1.35;
}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:15.5px}
.section-alt{background:rgba(255,255,255,.55)}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  height:100%;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#b9e6d5}
.card h3{font-size:17px;color:#0d3529;margin-bottom:10px;font-weight:700}
.card p{font-size:14.5px;color:var(--ink-soft);line-height:1.75}

.card-line{
  width:34px;height:4px;border-radius:4px;margin-bottom:16px;
  background:linear-gradient(90deg,var(--mint-500),var(--mint-700));
}

/* ============ about ============ */
.about-intro{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:34px;box-shadow:var(--shadow-sm);margin-bottom:26px;
}
.about-intro h3{font-size:19px;color:#0c2e25;margin-bottom:12px}
.about-intro p{color:var(--ink-soft);font-size:15.5px}
.about-intro p + p{margin-top:12px}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-cloud span{
  padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:#2b5147;transition:background .22s ease,color .22s ease,transform .22s ease;
}
.tag-cloud span:hover{background:var(--mint-100);color:var(--mint-700);transform:translateY(-2px)}
.tag-title{font-size:14.5px;font-weight:700;color:var(--mint-900);margin-top:30px}

/* ============ flow ============ */
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px;position:relative;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;
}
.flow-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.flow-item::before{
  counter-increment:step;content:counter(step);
  display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;margin-bottom:14px;
  background:linear-gradient(140deg,var(--mint-500),var(--mint-700));
  color:#fff;font-size:14px;font-weight:700;
}
.flow-item h3{font-size:16px;color:#0d3529;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:var(--ink-soft);line-height:1.7}

/* ============ network ============ */
.network-wrap{
  display:grid;grid-template-columns:1.25fr .75fr;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:34px;box-shadow:var(--shadow-sm);
}
.network-main h3{font-size:19px;color:#0c2e25;margin-bottom:12px}
.network-main > p{color:var(--ink-soft);font-size:15px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:#2b5147;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--mint-600);border-bottom:2px solid var(--mint-600);
  transform:rotate(-45deg);border-radius:1px;
}
.network-side{display:grid;gap:12px;align-content:start}
.net-item{
  background:linear-gradient(150deg,#f4fdf9,#eafaf3);
  border:1px solid #dff2ea;border-radius:12px;padding:16px 18px;
}
.net-item strong{display:block;font-size:15px;color:var(--mint-900);margin-bottom:4px}
.net-item span{font-size:13.5px;color:var(--ink-soft)}

/* ============ case ============ */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;height:100%;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.case-media{background:#eef8f3;overflow:hidden}
.case-media.ratio-wide{aspect-ratio:16/10}
.case-media.ratio-square{aspect-ratio:1/1}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px 20px 22px}
.case-body h3{font-size:16.5px;color:#0d3529;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink-soft)}
.case-tag{
  display:inline-block;margin-bottom:12px;padding:4px 12px;border-radius:999px;
  background:var(--mint-100);color:var(--mint-700);font-size:12.5px;font-weight:600;
}

/* ============ review ============ */
.review-top{display:grid;grid-template-columns:.7fr 1.3fr;gap:22px;margin-bottom:26px}
.score-card{
  background:linear-gradient(160deg,#0d6f54,#0b7a5b 55%,#12a37c);
  border-radius:20px;padding:32px 26px;color:#fff;text-align:center;
  box-shadow:0 18px 36px rgba(11,122,91,.24);
  display:flex;flex-direction:column;justify-content:center;height:100%;
}
.score-stars{font-size:22px;letter-spacing:6px;color:#bff5e1;margin-bottom:10px}
.score-num{font-size:56px;font-weight:800;line-height:1;letter-spacing:1px}
.score-num span{font-size:18px;font-weight:500;opacity:.8;margin-left:4px}
.score-card p{margin-top:14px;font-size:14px;color:#dff7ee;line-height:1.8}
.review-points{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px;box-shadow:var(--shadow-sm);
}
.review-points h3{font-size:18px;color:#0c2e25;margin-bottom:16px}
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.point-item{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;border-radius:12px;background:#f6fdfa;border:1px solid #e4f4ed;
  font-size:14px;color:#2b5147;transition:background .22s ease,transform .22s ease;
}
.point-item:hover{background:var(--mint-100);transform:translateY(-2px)}
.point-item i{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;
  background:var(--mint-600);position:relative;margin-top:3px;
}
.point-item i::after{
  content:"";position:absolute;left:5px;top:8px;width:7px;height:4px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg);
}

/* ============ table ============ */
.table-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:16px;background:#fff;
  box-shadow:var(--shadow-sm);
}
.compare-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid #edf7f2}
.compare-table thead th{
  background:#f2fbf7;color:#0c2e25;font-weight:700;font-size:14.5px;
  white-space:nowrap;
}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover{background:#f8fdfb}
.compare-table td:first-child{color:#0d3529;font-weight:600;white-space:nowrap}
.compare-table .hl{background:rgba(217,247,236,.55);color:var(--mint-700);font-weight:700}
.compare-table thead th.hl{background:#d9f7ec;color:var(--mint-900)}
.table-note{font-size:13.5px;color:var(--ink-soft);margin-top:14px;text-align:center}

/* ============ voice ============ */
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.voice-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.voice-quote{
  font-size:26px;line-height:1;color:var(--mint-500);font-weight:800;margin-bottom:10px;
}
.voice-card p{font-size:14.5px;color:#2f5349;line-height:1.8;flex:1}
.voice-user{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-soft)}
.voice-user b{color:var(--mint-900);font-size:14px;margin-right:6px}

/* ============ faq ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:#b9e6d5;box-shadow:var(--shadow-md)}
.faq-item summary{
  padding:18px 46px 18px 22px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;color:#0d3529;position:relative;
}
.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 .28s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item .faq-answer{
  padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;
  border-top:1px dashed var(--line);margin-top:0;padding-top:16px;
}

/* ============ wiki ============ */
.wiki-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.wiki-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.wiki-item h3{font-size:15.5px;color:var(--mint-900);margin-bottom:8px}
.wiki-item p{font-size:14px;color:var(--ink-soft)}

/* ============ news ============ */
.news-list{display:grid;gap:14px}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#b9e6d5}
.news-item h3{font-size:15.5px;color:#0d3529;font-weight:600}
.news-item p{font-size:13.5px;color:var(--ink-soft);margin-top:6px}
.news-arrow{
  flex:0 0 auto;font-size:14px;color:var(--mint-700);font-weight:600;white-space:nowrap;
}

/* ============ partner ============ */
.partner-box{
  background:linear-gradient(135deg,#0d6f54,#0f8f6b 55%,#17b78d);
  border-radius:22px;padding:44px 38px;color:#fff;
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
  box-shadow:0 22px 44px rgba(11,122,91,.22);
}
.partner-box h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:14px;letter-spacing:.5px;color:#fff}
.partner-box p{font-size:15px;color:#ddf6ec;line-height:1.85}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn-light{background:#fff;color:var(--mint-700);border-color:#fff}
.btn-light:hover{background:#eafaf3;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.partner-list{display:grid;gap:12px}
.partner-list li{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  border-radius:12px;padding:14px 18px;font-size:14px;color:#f0fdf8;
}

/* ============ contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px;box-shadow:var(--shadow-sm);height:100%;
}
.contact-card h3{font-size:18px;color:#0c2e25;margin-bottom:18px}
.contact-line{
  display:flex;justify-content:space-between;gap:16px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
}
.contact-line:last-of-type{border-bottom:none}
.contact-line span{color:var(--ink-soft);flex:0 0 auto}
.contact-line b{color:#0d3529;font-weight:600;text-align:right;word-break:break-all}
.qr-box{
  margin-top:20px;display:flex;align-items:center;gap:18px;
  padding:16px;border-radius:14px;background:#f5fdf9;border:1px solid #e2f3ec;
}
.qr-box img{width:104px;height:104px;object-fit:contain;border-radius:10px;background:#fff;padding:4px}
.qr-text strong{display:block;font-size:15px;color:var(--mint-900);margin-bottom:6px}
.qr-text span{font-size:13.5px;color:var(--ink-soft);line-height:1.7;display:block}

/* ============ form ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:#2b5147;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #d5ebe2;border-radius:10px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfefd;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint-600);background:#fff;
  box-shadow:0 0 0 3px rgba(18,163,124,.12);
}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-tip{font-size:13px;color:var(--ink-soft)}

/* ============ footer ============ */
.site-footer{
  background:#0b2f26;color:#cfe9df;margin-top:0;padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .9fr;gap:40px;
  padding-bottom:38px;
}
.footer-brand .brand-name{color:#eafff7}
.footer-brand p{font-size:14px;color:#a9cfc2;margin-top:16px;line-height:1.85;max-width:380px}
.footer-title{font-size:15px;color:#eafff7;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#a9cfc2;transition:color .22s ease}
.footer-col a:hover{color:#7fe3c0}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 20px 26px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13.5px;color:#9ec5b8;
  max-width:1180px;margin:0 auto;
}
.footer-bottom a{color:#bfe8da}
.footer-bottom a:hover{color:#7fe3c0}

/* ============ floating ============ */
.float-service{position:fixed;right:20px;bottom:96px;z-index:95}
.fs-btn{
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(140deg,var(--mint-600),var(--mint-700));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:1px;
  box-shadow:0 12px 26px rgba(11,122,91,.32);
  transition:transform .25s ease,box-shadow .25s ease;
}
.fs-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 16px 32px rgba(11,122,91,.4)}
.fs-panel{
  position:absolute;right:0;bottom:70px;width:238px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 18px 18px;box-shadow:0 20px 40px rgba(16,110,85,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.fs-panel.open{opacity:1;visibility:visible;transform:none}
.fs-close{
  position:absolute;right:10px;top:8px;border:none;background:none;
  font-size:20px;line-height:1;color:#8fb3a6;cursor:pointer;padding:4px;
}
.fs-title{font-size:14.5px;font-weight:700;color:var(--mint-900);margin-bottom:12px;text-align:center}
.fs-panel img{width:100%;height:auto;border-radius:10px;background:#f5fdf9;padding:4px;margin-bottom:12px}
.fs-text{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:6px}

#backTop{
  position:fixed;right:20px;bottom:24px;z-index:95;
  width:56px;height:56px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--mint-700);font-size:12.5px;font-weight:700;
  cursor:pointer;box-shadow:0 10px 22px rgba(16,110,85,.14);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
#backTop.show{opacity:1;visibility:visible;transform:none}
#backTop:hover{background:var(--mint-50)}

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

/* ============ responsive ============ */
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav-wrap{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 20px;flex-direction:column;align-items:stretch;gap:12px;
    box-shadow:0 18px 32px rgba(16,110,85,.12);
  }
  .nav-wrap.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-links a{padding:12px 8px;border-bottom:1px solid #eef7f2;font-size:15px}
  .nav-cta{width:100%}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding-top:44px}
  .flow-list{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .network-wrap{grid-template-columns:1fr;padding:28px}
  .review-top{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .partner-box{grid-template-columns:1fr;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .metrics{grid-template-columns:repeat(2,1fr);padding:20px;gap:16px}
  .metric:nth-child(2){border-right:none}
  .metric:nth-child(3){border-right:1px dashed var(--line)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .flow-list{grid-template-columns:1fr 1fr}
  .point-grid{grid-template-columns:1fr}
  .about-intro{padding:24px}
  .news-item{flex-direction:column;align-items:flex-start;gap:10px}
  .news-arrow{font-size:13.5px}
}
@media (max-width:560px){
  .hero h1{font-size:25px}
  .hero-actions .btn{flex:1 1 auto}
  .grid-4{grid-template-columns:1fr}
  .flow-list{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:none;border-bottom:1px dashed var(--line);padding-bottom:14px}
  .metric:last-child{border-bottom:none;padding-bottom:0}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .score-num{font-size:44px}
  .fs-panel{width:210px}
  .qr-box{flex-direction:column;align-items:flex-start}
  .compare-table{min-width:680px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}