:root{
 --navy:#10263d; --blue:#1489df; --blue2:#0a6fb9; --sky:#eaf7ff;
 --ink:#183249; --muted:#62788a; --line:#d8e9f4; --white:#fff;
 --green:#2ca76b; --shadow:0 14px 42px rgba(27,74,105,.10); --max:1080px; --navmax:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#f8fcff;line-height:1.65}
a{color:var(--blue2);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(calc(100% - 34px),var(--max));margin:0 auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{width:min(calc(100% - 34px),var(--navmax));min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--navy);white-space:nowrap;flex:0 0 auto}
.logo-mark{width:40px;height:40px;border-radius:13px;background:#e3f5ff;display:grid;place-items:center;font-size:22px;border:1px solid #c5e8f8}
.logo small{display:block;font-size:9px;letter-spacing:1px;color:var(--muted);font-weight:700}
.links{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:nowrap;white-space:nowrap;min-width:0}
.links a{font-size:12px;font-weight:800;color:#3b5367;white-space:nowrap}.back-main{padding:6px 9px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#3f6d22!important}.back-main:hover{text-decoration:none;border-color:#b8d99d;background:#f3faee}
.lang{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.lang button{cursor:pointer;border:1px solid var(--line);background:#fff;padding:6px 9px;border-radius:999px;font-size:12px;font-weight:900;white-space:nowrap}
.lang button.active{background:#e5f5ff;border-color:#a7d9f5;color:#075e8e}
.hero{padding:42px 0 46px;background:linear-gradient(180deg,#ebf8ff 0%,#ffffff 96%)}
.hero-grid{display:flex;flex-direction:column-reverse;gap:24px;align-items:center}
.hero-grid>div:first-child{width:min(100%,960px);text-align:center;margin:0 auto}
.kicker{text-transform:uppercase;letter-spacing:1.35px;font-size:12px;font-weight:900;color:#0b6ea8}
h1{margin:10px 0 16px;font-size:clamp(40px,5vw,60px);line-height:1.03;letter-spacing:-1.6px;color:var(--navy)}
.lead{font-size:18px;color:var(--muted);max-width:900px;margin:0 auto 22px}
.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:12px;font-weight:900}
.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue2);text-decoration:none}
.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.secondary:hover{text-decoration:none;border-color:#abd9f0}
.hero-visual{width:min(100%,920px);background:#fff;border:1px solid var(--line);border-radius:24px;padding:10px;box-shadow:var(--shadow);margin:0 auto}
.hero-visual img{display:block;width:100%;height:auto;border-radius:16px}
.caption{font-size:12px;color:var(--muted);padding:9px 4px 2px}
.section{padding:52px 0}
.section.alt{background:#f3faff}
.section-head{max-width:760px;margin:0 auto 26px;text-align:center}
h2{font-size:32px;line-height:1.16;letter-spacing:-.8px;margin:0 0 9px;color:var(--navy)}
.section-lead{margin:0;color:var(--muted);font-size:16px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:1040px;margin:0 auto}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 26px rgba(29,76,107,.05)}
.icon{width:44px;height:44px;border-radius:13px;background:#e8f6ff;display:grid;place-items:center;font-size:22px;margin-bottom:12px}
.card h3{margin:0 0 7px;font-size:18px}.card p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:1040px;margin:0 auto}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:0 8px 26px rgba(29,76,107,.05)}
.panel h3{margin:0 0 10px;font-size:21px}
.steps{display:grid;gap:13px}
.step{display:grid;grid-template-columns:40px 1fr;gap:11px}
.step-num{width:40px;height:40px;border-radius:50%;background:#e7f5ff;color:#0a6ea5;font-weight:900;display:grid;place-items:center}
.step h4{margin:3px 0 3px;font-size:16px}.step p{margin:0;color:var(--muted)}
.feature-list{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.feature-list li{padding:12px 13px;background:#f8fcff;border:1px solid var(--line);border-radius:11px}
.notice{border-left:4px solid var(--blue);background:#f1f9ff;padding:15px 17px;border-radius:10px;color:#3f5b6d}
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;max-width:1040px;margin:0 auto}
.small{font-size:13px;color:var(--muted)}
.footer{padding:32px 0 40px;background:var(--navy);color:#dbe9f2;margin-top:20px}
.footer a{color:#b8e3ff}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer small{color:#9fb8c8}
.policy{padding:56px 0;max-width:900px;margin:0 auto}
.policy h1{font-size:44px;text-align:left}.policy h2{font-size:23px;margin-top:28px}.policy p,.policy li{color:#516a7c}
.langblock[hidden]{display:none}
.download-box{max-width:1040px;margin:20px auto 0;background:linear-gradient(135deg,#eff9ff,#fff);border:1px solid #cfe7f5;border-radius:18px;padding:22px;box-shadow:0 8px 26px rgba(29,76,107,.05)}
.download-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.download-version{font-size:12px;font-weight:900;color:#0b6ea8;letter-spacing:.4px}
.download-name{font-size:19px;font-weight:900;color:var(--navy);margin:3px 0}.download-note{font-size:13px;color:var(--muted);margin:0}.download-btn{min-width:205px}
.donate-box{max-width:1040px;margin:20px auto 0;border:1px solid #f0d7a3;background:linear-gradient(135deg,#fffaf0,#ffffff);border-radius:18px;padding:22px;box-shadow:0 8px 26px rgba(110,79,29,.06)}
.donate-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.donate-title{font-size:12px;font-weight:900;color:#8b5b08;letter-spacing:.5px}.donate-text{margin:5px 0 0;color:#596f80}.donate-btn{min-width:145px;background:#f2b341;color:#3f2a00}.donate-btn:hover{background:#df9b16;color:#fff;text-decoration:none}
@media(max-width:1080px){
 .links{gap:7px}.links a{font-size:11.5px}.lang button{padding:6px 8px;font-size:11.5px}
}
@media(max-width:900px){
 .nav{align-items:flex-start;padding:11px 0;flex-wrap:wrap}.logo{margin-right:auto}.links{width:100%;justify-content:flex-start;flex-wrap:wrap;white-space:normal;gap:9px 12px;padding-bottom:3px}.links a{font-size:12.5px}.lang{margin-left:auto}
 .hero{padding-top:34px}.hero-visual{width:min(100%,860px)}
 .cards,.split,.about{grid-template-columns:1fr;max-width:680px}.section-head{text-align:left}.policy{max-width:680px}
}
@media(max-width:560px){
 .container{width:min(calc(100% - 22px),var(--max))}.nav{width:min(calc(100% - 22px),var(--navmax))}
 h1{font-size:43px}.hero{padding-top:28px}.policy h1{font-size:37px}.hero-visual{padding:7px;border-radius:18px}.hero-visual img{border-radius:12px}
}