:root{
  --green:#0E9F6E; --green-l:#12B76A; --green-d:#07684A;
  --orange:#FF8A3D; --orange-l:#FFF3E8;
  --ink:#0F241C; --muted:#5B6B63; --line:#E3EDE7;
  --bg:#F6FAF7; --card:#FFFFFF;
  --shadow:0 6px 24px rgba(7,104,74,.08);
  --shadow-lg:0 18px 50px rgba(7,104,74,.16);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
section{scroll-margin-top:80px}

/* ===== Navbar ===== */
.navbar{position:fixed;top:0;left:0;right:0;height:64px;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);box-shadow:0 1px 4px rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-between;padding:0 48px;z-index:1000}
.navbar-brand{display:flex;align-items:center;gap:10px}
.navbar-logo{height:38px;width:auto}
.navbar-title{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--green-d)}
.navbar-nav{display:flex;gap:30px;list-style:none;align-items:center}
.navbar-nav a{color:#3E4F47;font-size:15px;transition:color .25s}
.navbar-nav a:hover,.navbar-nav a.active{color:var(--green)}
.nav-toggle{display:none;background:none;border:0;font-size:24px;color:var(--green-d);cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;margin-top:64px;padding:76px 48px 84px;overflow:hidden;
  background:linear-gradient(135deg,#06513B 0%,#0E9F6E 52%,#12B76A 100%);color:#fff}
.hero::before{content:"";position:absolute;top:-40%;left:-20%;width:80%;height:180%;
  background:radial-gradient(circle at 40% 40%,rgba(255,255,255,.16),transparent 60%)}
.hero::after{content:"";position:absolute;right:-10%;bottom:-50%;width:60%;height:140%;
  background:radial-gradient(circle at 60% 40%,rgba(255,138,61,.22),transparent 62%)}
.hero-inner{position:relative;z-index:2;max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:56px;flex-wrap:wrap}
.hero-copy{flex:1 1 460px;min-width:300px;text-align:center}
.hero h1{font-size:52px;line-height:1.15;font-weight:800;letter-spacing:1px;margin-bottom:14px}
.hero .slogan{font-size:22px;font-weight:600;margin-bottom:18px;color:#EAFBF3}
.hero .hero-desc{font-size:16px;line-height:1.9;max-width:640px;margin:0 auto 34px;color:rgba(255,255,255,.92)}
.hero-stats{display:flex;justify-content:center;gap:44px;flex-wrap:wrap;margin-bottom:34px}
.hero-stat .num{font-size:32px;font-weight:800;line-height:1.2}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.85)}
.hero-cta{display:inline-flex;align-items:center;gap:10px;padding:14px 34px;background:#fff;color:var(--green-d);
  font-size:16px;font-weight:700;border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.16);transition:transform .25s,box-shadow .25s}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.22)}
.hero-hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.78)}

/* hero visual */
.hero-visual{flex:0 1 420px;min-width:300px;position:relative;height:520px;display:flex;align-items:center;justify-content:center}
.phone{position:absolute;border-radius:26px;overflow:hidden;background:#fff;
  box-shadow:0 24px 60px rgba(0,0,0,.28);border:6px solid #fff}
.phone img{width:100%;height:auto}
.phone-main{width:236px;height:auto;z-index:3;transform:rotate(-2deg)}
.phone-left{width:170px;z-index:2;transform:translateX(-152px) translateY(26px) rotate(-8deg);opacity:.95}
.phone-right{width:170px;z-index:2;transform:translateX(152px) translateY(26px) rotate(8deg);opacity:.95}
.float-cover{position:absolute;width:78px;border-radius:10px;overflow:hidden;box-shadow:0 12px 28px rgba(0,0,0,.26);z-index:4}
.float-cover.one{left:8%;top:6%;transform:rotate(-10deg)}
.float-cover.two{right:4%;bottom:10%;transform:rotate(9deg)}

/* ===== Generic section ===== */
.section{padding:84px 48px;max-width:1240px;margin:0 auto}
.section.alt{max-width:none;background:#fff}
.section.alt .section-inner{max-width:1240px;margin:0 auto}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:34px;font-weight:800;color:var(--green-d);letter-spacing:.5px}
.section-header .subtitle{margin-top:10px;font-size:16px;color:var(--muted)}
.divider{width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--green),var(--green-l));margin:18px auto 0}

/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:transform .25s,box-shadow .25s,border-color .25s}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#BEE3CF}
.pain-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:24px;background:#EAF7F0;margin-bottom:16px}
.pain-card h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.pain-card p{font-size:14.5px;color:var(--muted)}

/* features */
.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:transform .25s,box-shadow .25s,border-color .25s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#BEE3CF}
.feature-card.featured{grid-column:1 / -1;background:linear-gradient(135deg,#F2FBF6,#FFFFFF 62%);border-color:#BEE3CF}
.feature-tag{position:absolute;top:-12px;left:24px;background:var(--orange);color:#fff;font-size:12px;
  font-weight:700;padding:3px 12px;border-radius:999px;letter-spacing:.5px}
.feature-card h3{font-size:20px;margin-bottom:10px;color:var(--green-d)}
.feature-desc{font-size:14.5px;color:#43554C;margin-bottom:14px}
.feature-highlights{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.feature-highlights span{font-size:12.5px;color:var(--green-d);background:#EAF7F0;border-radius:999px;padding:3px 11px}
.feature-scene{font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}
.feature-scene strong{color:var(--green-d);font-weight:600}

/* showcase */
.ui-phones{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;align-items:start}
.ui-phone{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 10px 14px;box-shadow:var(--shadow);transition:transform .3s}
.ui-phone:hover{transform:translateY(-6px)}
.ui-phone img{border-radius:14px;width:100%}
.phone-label{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;position:relative;overflow:hidden}
.adv-num{font-size:40px;font-weight:800;color:#DDF1E6;line-height:1;margin-bottom:10px}
.adv-card h3{font-size:17px;margin-bottom:8px;color:var(--green-d)}
.adv-card p{font-size:14.5px;color:var(--muted)}

/* scenarios */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover img{transform:scale(1.06)}
.scene-card .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,45,32,0) 35%,rgba(6,45,32,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff}
.scene-card h3{font-size:18px;margin-bottom:4px}
.scene-card p{font-size:13px;color:rgba(255,255,255,.86)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:18px}
.step h3{font-size:17px;margin-bottom:8px;color:var(--green-d)}
.step p{font-size:14px;color:var(--muted)}

/* industries */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.industry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.industry .emoji{font-size:30px;margin-bottom:12px}
.industry h3{font-size:18px;margin-bottom:8px;color:var(--green-d)}
.industry p{font-size:14px;color:var(--muted);margin-bottom:10px}
.industry .tags{display:flex;flex-wrap:wrap;gap:7px}
.industry .tags span{font-size:12px;background:#F3F7F4;color:#3E4F47;padding:3px 10px;border-radius:999px}

/* CTA */
.cta-banner{background:linear-gradient(135deg,#07684A,#0E9F6E 55%,#12B76A);color:#fff;padding:64px 48px}
.cta-inner{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;margin-bottom:12px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:24px}
.cta-btn{display:inline-block;padding:14px 32px;background:#fff;color:var(--green-d);border-radius:10px;font-weight:700;font-size:16px;
  box-shadow:0 10px 24px rgba(0,0,0,.16);transition:transform .25s}
.cta-btn:hover{transform:translateY(-2px)}
.cta-note{font-size:13px;color:rgba(255,255,255,.75);margin-top:12px}
.cta-box{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:18px;padding:28px 32px;text-align:center;min-width:220px}
.cta-box .big{font-size:20px;font-weight:700;margin-bottom:6px}
.cta-box .small{font-size:13px;color:rgba(255,255,255,.8)}

/* compliance */
.compliance{padding:56px 48px;background:#fff}
.compliance-box{max-width:1000px;margin:0 auto;background:#F6FAF7;border:1px solid var(--line);border-radius:16px;padding:28px 32px}
.compliance-box h3{font-size:17px;color:var(--green-d);margin-bottom:12px}
.compliance-box ul{list-style:none}
.compliance-box li{font-size:13.5px;color:var(--muted);padding-left:18px;position:relative;margin-bottom:8px;line-height:1.8}
.compliance-box li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--green-l)}

/* footer */
.footer{background:#0A2A20;color:#C9DDD3;padding:52px 48px 24px}
.footer-content{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand img{height:38px;margin-bottom:14px;filter:brightness(0) invert(1) opacity(.95)}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#9CBDAD;max-width:420px}
.footer h4{font-size:15px;color:#fff;margin-bottom:14px}
.footer ul{list-style:none}
.footer li{margin-bottom:9px}
.footer a{font-size:13.5px;color:#9CBDAD;transition:color .25s}
.footer a:hover{color:#fff}
.footer-bottom{max-width:1240px;margin:36px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#7E9E8F;text-align:center}
.footer-bottom a{color:#9CBDAD}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:1080px){
  .ui-phones{grid-template-columns:repeat(3,1fr)}
  .pain-grid,.adv-grid,.scene-grid,.steps,.industry-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .navbar{padding:0 20px}
  .navbar-nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    padding:0;max-height:0;overflow:hidden;transition:max-height .3s;box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .navbar-nav.open{max-height:340px;padding:8px 0}
  .navbar-nav li{width:100%}
  .navbar-nav a{display:block;padding:13px 24px;font-size:15px}
  .nav-toggle{display:block}
  .hero{padding:56px 20px 64px}
  .hero h1{font-size:38px}
  .hero .slogan{font-size:18px}
  .hero-visual{height:420px;transform:scale(.86)}
  .section{padding:60px 20px}
  .section-header h2{font-size:27px}
  .features-grid,.pain-grid,.adv-grid,.scene-grid,.steps,.industry-grid{grid-template-columns:1fr}
  .feature-card.featured{grid-column:auto}
  .ui-phones{grid-template-columns:repeat(2,1fr)}
  .cta-banner{padding:48px 20px}
  .cta-inner h2{font-size:24px}
  .compliance{padding:40px 20px}
  .footer{padding:40px 20px 20px}
  .footer-content{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:26px}
  .ui-phones{grid-template-columns:1fr 1fr}
}

/* ===== inner pages ===== */
.page-hero{margin-top:64px;padding:56px 48px 48px;background:linear-gradient(135deg,#06513B,#0E9F6E 60%,#12B76A);color:#fff}
.page-hero .inner{max-width:1100px;margin:0 auto}
.page-hero h1{font-size:36px;line-height:1.3;font-weight:800;margin:10px 0 12px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.9);max-width:760px}
.crumb{font-size:13px;color:rgba(255,255,255,.78)}
.crumb a{color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.35)}
.article{max-width:900px;margin:0 auto;padding:56px 48px 72px;background:#fff}
.article h2{font-size:25px;color:var(--green-d);margin:38px 0 14px;padding-left:12px;border-left:5px solid var(--green-l)}
.article h3{font-size:19px;color:var(--ink);margin:26px 0 10px}
.article p{font-size:16px;color:#37473F;margin-bottom:14px;line-height:1.95}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{font-size:15.5px;color:#37473F;line-height:1.95;margin-bottom:8px}
.article strong{color:var(--green-d)}
.article a{color:var(--green);border-bottom:1px solid #BEE3CF}
.article table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:14.5px}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article th{background:#F2FBF6;color:var(--green-d);font-weight:700}
.article tbody tr:nth-child(even){background:#FAFDFB}
.callout{background:#F2FBF6;border:1px solid #CDEBDD;border-left:5px solid var(--green);border-radius:10px;padding:16px 20px;margin:20px 0;font-size:15px;color:#2F463C}
.callout strong{color:var(--green-d)}
.toc{background:#F7FBF9;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:26px 0}
.toc p{font-size:14px;color:#5B6B63;margin-bottom:8px}
.toc ol{margin:0 0 0 20px}
.toc li{font-size:14.5px;margin-bottom:6px}
.meta-line{font-size:13px;color:#7E968C;margin-bottom:26px}
.related{max-width:900px;margin:0 auto 64px;padding:0 48px}
.related h3{font-size:16px;color:var(--green-d);margin-bottom:12px}
.related .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14.5px;color:#2F463C;transition:border-color .2s,transform .2s}
.related a:hover{border-color:#BEE3CF;transform:translateY(-2px)}
.related a span{display:block;font-size:12.5px;color:#7E968C;margin-top:4px}
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}
details.faq summary{font-size:16px;font-weight:600;color:var(--green-d);cursor:pointer;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";float:right;color:var(--green);font-weight:700}
details.faq[open] summary::after{content:"−"}
details.faq p{font-size:15px;color:#37473F;margin:12px 0 0;line-height:1.9}
.hero-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-links a{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);font-size:14px}
.hero-links a:hover{background:rgba(255,255,255,.26)}
.sec-link{display:inline-block;margin-top:6px;font-size:14px;color:var(--green);border-bottom:1px solid #BEE3CF}
@media (max-width:860px){
  .page-hero{padding:40px 20px}
  .page-hero h1{font-size:26px}
  .article{padding:36px 20px 52px}
  .article h2{font-size:21px}
  .related{padding:0 20px}
  .related .grid{grid-template-columns:1fr}
}