/* LINEROUP static site styles - LINE inspired */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Helvetica Neue","Hiragino Kaku Gothic ProN","Microsoft JhengHei","Microsoft YaHei",Arial,sans-serif;color:#333;line-height:1.6;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #eee}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:22px;color:#06c755}
.logo img{width:36px;height:36px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:#333;transition:color .2s}
.nav-links a:hover{color:#06c755}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;gap:6px;font-size:12px}
.lang-switch a{padding:4px 8px;border-radius:4px;color:#666}
.lang-switch a.active{background:#06c755;color:#fff}
.btn{display:inline-block;padding:10px 22px;border-radius:999px;font-weight:600;font-size:14px;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:#06c755;color:#fff}
.btn-primary:hover{background:#05a648}
.btn-outline{border:2px solid #06c755;color:#06c755;background:transparent}
.btn-outline:hover{background:#06c755;color:#fff}
.btn-lg{padding:14px 36px;font-size:16px}

/* Hero */
.hero{background:linear-gradient(135deg,#e8fff2 0%,#f4fff9 100%);padding:80px 0}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:52px;line-height:1.15;color:#111;margin-bottom:20px;font-weight:800}
.hero h1 span{color:#06c755}
.hero p{font-size:18px;color:#555;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{border-radius:24px;overflow:hidden}

/* Sections */
section{padding:80px 0}
.section-title{font-size:38px;text-align:center;margin-bottom:14px;color:#111;font-weight:700}
.section-sub{text-align:center;color:#666;font-size:17px;margin-bottom:56px;max-width:720px;margin-left:auto;margin-right:auto}

/* Feature grid */
.features{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feature-card{background:#f9faf7;border-radius:20px;padding:36px 28px;transition:transform .3s,box-shadow .3s;text-align:center}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(6,199,85,.12)}
.feature-icon{width:72px;height:72px;background:#06c755;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#fff;font-size:34px}
.feature-card h3{font-size:20px;margin-bottom:10px;color:#111}
.feature-card p{color:#666;font-size:15px}

/* Split section */
.split{background:#f7fbf8}
.split-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.split-inner:last-child{margin-bottom:0}
.split-inner.reverse{direction:rtl}
.split-inner.reverse>*{direction:ltr}
.split h2{font-size:34px;margin-bottom:18px;color:#111;font-weight:700}
.split p{font-size:16px;color:#555;margin-bottom:20px}
.split img{border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,.08)}

/* CTA banner */
.cta-banner{background:#06c755;color:#fff;text-align:center;padding:70px 24px;border-radius:24px;margin:60px auto;max-width:1150px}
.cta-banner h2{font-size:34px;margin-bottom:14px}
.cta-banner p{font-size:17px;margin-bottom:28px;opacity:.95}
.cta-banner .btn-primary{background:#fff;color:#06c755}
.cta-banner .btn-primary:hover{background:#eee}

/* Download page */
.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.download-card{border:1px solid #eee;border-radius:16px;padding:32px 20px;text-align:center;transition:all .3s}
.download-card:hover{border-color:#06c755;transform:translateY(-4px)}
.download-card .os-icon{font-size:44px;margin-bottom:14px}
.download-card h3{font-size:18px;margin-bottom:8px}
.download-card p{font-size:13px;color:#888;margin-bottom:16px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #eee;border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{padding:20px 24px;font-weight:600;font-size:16px;color:#111;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"+";color:#06c755;font-size:24px}
.faq-a{padding:0 24px 20px;color:#555;font-size:15px}

/* Privacy */
.legal{max-width:860px;margin:0 auto}
.legal h2{font-size:24px;margin:32px 0 12px;color:#111}
.legal p,.legal li{color:#444;font-size:15px;margin-bottom:12px}
.legal ul{padding-left:22px}

/* Page hero (sub-pages) */
.page-hero{background:linear-gradient(135deg,#06c755 0%,#03a53f 100%);color:#fff;padding:70px 0;text-align:center}
.page-hero h1{font-size:44px;margin-bottom:12px;font-weight:800}
.page-hero p{font-size:17px;opacity:.95;max-width:640px;margin:0 auto}

/* Footer */
.site-footer{background:#1f2a26;color:#c8ccca;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{margin-top:12px;font-size:14px;color:#8a938e}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:14px;color:#c8ccca;transition:color .2s}
.footer-col a:hover{color:#06c755}
.footer-bottom{border-top:1px solid #2f3a35;padding-top:20px;text-align:center;font-size:13px;color:#8a938e}

@media(max-width:900px){
  .hero-inner,.split-inner,.footer-grid{grid-template-columns:1fr}
  .feature-grid,.download-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:36px}
  .section-title,.page-hero h1{font-size:28px}
  .nav-links{display:none}
}
@media(max-width:520px){
  .feature-grid,.download-grid{grid-template-columns:1fr}
  .nav{padding:12px 16px}
  .container{padding:0 16px}
}