:root{--navy:#112e55;--blue:#125aa8;--blue-dark:#0d437d;--sky:#e8f2ff;--bg:#f6faff;--line:#cddff3;--ink:#243b59;--muted:#56718e;--white:#fff;--shadow:0 18px 42px rgba(24,68,118,.11)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.container{width:min(calc(100% - 36px),1100px);margin:auto}.container.narrow{max-width:830px}
.header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);backdrop-filter:blur(12px)}
.nav{width:min(calc(100% - 30px),1230px);margin:auto;min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:9px;white-space:nowrap;color:var(--navy);font-weight:900;letter-spacing:.15px}.brand:hover{text-decoration:none}
.brand small{display:block;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:0}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:#e7f2ff;color:var(--blue);border:1px solid var(--line);font-size:24px}
.links{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;column-gap:13px;row-gap:8px}
.links>a{font-size:12px;font-weight:800;white-space:nowrap;color:#365575}.links>a:hover,.links>a[aria-current]{color:var(--blue)}
.links>a[aria-current]{text-decoration:underline;text-underline-offset:5px}
.links .back-main{font-size:11px;border:1px solid var(--line);background:#f1f7ff;padding:7px 9px;border-radius:999px;color:var(--blue)}
.lang{display:flex;gap:5px}.lang button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--navy);padding:6px 8px;border-radius:99px;font-weight:850;font-size:11px}
.lang button.active{background:#e6f1ff;border-color:#91bcec;color:var(--blue-dark)}
.hero{padding:38px 0 52px;background:linear-gradient(165deg,#e9f4ff,#fff 65%,#f4f9ff)}
.hero-banner{width:min(100%,960px);margin:auto;padding:7px;border-radius:17px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-banner img{display:block;width:100%;height:auto;border-radius:9px}
.hero-copy{text-align:center;max-width:830px;margin:40px auto 0}
.kicker{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:1.3px;text-transform:uppercase;margin:0 0 10px}
h1{color:var(--navy);font-size:clamp(37px,5vw,64px);line-height:1.1;letter-spacing:-1.5px;margin:0 0 17px}
h2{color:var(--navy);font-size:clamp(26px,3vw,36px);line-height:1.18;letter-spacing:-.6px;margin:0 0 12px}
h3{color:var(--navy);font-size:19px;line-height:1.3;margin:0 0 7px}
p{margin:0 0 13px}.lead{font-size:18px;line-height:1.6;color:var(--muted)}
.actions,.section-actions{display:flex;align-items:center;justify-content:center;gap:11px;flex-wrap:wrap;margin-top:23px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:45px;padding:11px 17px;border-radius:11px;font-size:14px;font-weight:850;white-space:normal}
.btn:hover{text-decoration:none}.btn.primary{color:#fff;background:var(--blue);box-shadow:0 8px 20px rgba(18,90,168,.17)}.btn.primary:hover{background:var(--blue-dark)}
.btn.secondary{background:#fff;color:var(--blue-dark);border:1px solid var(--line)}.btn.secondary:hover{border-color:#9cbfe9}
.note{color:var(--muted);font-size:13px;margin-top:17px}.section{padding:62px 0}.section.alt{background:#eaf4ff}
.head{max-width:780px;margin-bottom:25px}.section-lead{color:var(--muted);font-size:17px}
.cards,.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(22,70,122,.055);padding:25px}
.card p,.panel p{color:var(--muted);margin:0}.icon{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--sky);font-size:24px;margin-bottom:17px}
.text-link{display:inline-block;margin-top:14px;font-weight:800}
.download-panel{display:flex;justify-content:space-between;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);padding:29px;border-radius:20px;box-shadow:var(--shadow)}
.download-panel h2{margin:0 0 6px}.download-panel p:last-child{color:var(--muted);margin:0}
.page-head{background:linear-gradient(135deg,#e6f3ff,#fff);padding:67px 0 57px;text-align:center;border-bottom:1px solid var(--line)}
.prose{max-width:820px}.prose h2{margin-top:24px}.prose h2:first-child{margin-top:0}.prose p{color:var(--muted);font-size:17px;line-height:1.7}
.prose .panel{margin-top:0}.prose .panel h2{margin-top:0}.prose .btn{margin-top:10px}
.notice{background:#ebf5ff;border-left:4px solid var(--blue);border-radius:12px;color:#29496a;padding:18px 20px;margin:24px 0 0}
code{background:#e5f0fa;padding:2px 5px;border-radius:5px;overflow-wrap:anywhere}
.steps{max-width:850px;margin:auto;display:grid;gap:12px}
.step{display:flex;gap:18px;align-items:flex-start;background:#fff;padding:22px;border:1px solid var(--line);border-radius:15px}
.step-number{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;flex:none;font-weight:900}
.step p{color:var(--muted);margin:0}
.download-card{display:flex;justify-content:space-between;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.download-card h2{margin:0 0 9px;overflow-wrap:anywhere}.download-card p:last-child{margin:0;color:var(--muted)}.download-card .btn{flex:none}
.download-extra{color:var(--muted);margin:19px 0 0}
.preview-frame{padding:16px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
.screenshot-figure{margin:0 auto;max-width:1023px}
.screenshot-figure img{display:block;width:100%;height:auto;border:1px solid #cfdef1}
.screenshot-figure figcaption{font-size:13px;color:var(--muted);margin:12px 2px 0}
.footer{background:#102d52;color:#d9e9ff;padding:33px 0;margin-top:15px}.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{color:#b8deff}.footer .small{font-size:12px;color:#aac3df}
@media(max-width:1080px){.nav{display:block;padding:10px 0}.brand{margin-bottom:8px}.links{justify-content:flex-start}}
@media(max-width:730px){.cards,.split{grid-template-columns:1fr}.section{padding:44px 0}.page-head{padding:49px 0}.download-panel,.download-card{align-items:flex-start;flex-direction:column}.links{gap:10px}}
@media(max-width:480px){.container{width:min(calc(100% - 26px),1100px)}.hero{padding-top:24px}.hero-copy{margin-top:31px}.lead{font-size:16px}.card,.panel{padding:20px}.preview-frame{padding:8px}.links>a{font-size:11px}}