:root{--g:#0b7a55;--g2:#12b886;--ink:#0f1a17;--mut:#56645f;--bg:#fff;--alt:#f3f8f6;--bd:#e3ece8;--r:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Arabic","Noto Sans Devanagari","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
img,video{max-width:100%;height:auto}a{color:var(--g)}h1,h2,h3{line-height:1.2;letter-spacing:-.01em}h1{font-size:clamp(2rem,4.5vw,3.2rem);margin:.3em 0}h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}.narrow{max-width:800px}.row{display:flex;align-items:center;gap:16px;min-height:68px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.hdr{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd);z-index:5}.logo img{display:block;height:32px;width:auto}
.nav{display:flex;gap:18px;margin-inline-start:auto}.nav a{color:var(--ink);text-decoration:none;font-weight:500}.nav a:hover{color:var(--g)}
.lang{position:relative}.lang summary{cursor:pointer;list-style:none;padding:6px 10px;border:1px solid var(--bd);border-radius:10px;font-size:.9rem}.lang ul{position:absolute;inset-inline-end:0;top:110%;background:#fff;border:1px solid var(--bd);border-radius:12px;list-style:none;padding:8px;margin:0;min-width:180px;box-shadow:0 10px 30px #0002}.lang li a{display:block;padding:6px 10px;color:var(--ink);text-decoration:none;border-radius:8px}.lang li a:hover,.lang a[aria-current]{background:var(--alt)}
.btn{display:inline-block;background:var(--g);color:#fff;padding:12px 22px;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid var(--g);transition:.2s}.btn:hover{background:#086044}.btn.ghost{background:transparent;color:var(--g)}.btn.sm{padding:7px 14px;font-size:.9rem}.btn.lg{padding:14px 28px;margin:6px 0}
.hero{background:radial-gradient(1200px 500px at 80% -10%,#d3f9e8,transparent),linear-gradient(#f6fbf9,#fff);padding:56px 0}.two{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.badge{display:inline-block;background:#e6f7f0;color:var(--g);border:1px solid #bfe9d7;padding:6px 12px;border-radius:999px;font-weight:600;font-size:.9rem}
.lead{font-size:1.15rem;color:var(--mut)}.price-tag{font-size:1.4rem;font-weight:800;color:var(--g)}.hero-img img{border-radius:24px;box-shadow:0 30px 60px #0b7a5522}
.sec{padding:64px 0}.alt{background:var(--alt)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:24px;text-decoration:none;color:inherit}.card h3{margin:.4em 0}.ic{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#e6f7f0;color:var(--g);font-weight:800}
.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.price.hot{border:2px solid var(--g);box-shadow:0 20px 40px #0b7a551f}.amt{font-size:2.4rem;font-weight:800;margin:.2em 0;color:var(--g)}.price ul{padding-inline-start:18px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;padding:0;counter-reset:s}.steps li{background:#fff;border-radius:var(--r);padding:24px;border:1px solid var(--bd);counter-increment:s}.steps li:before{content:"0" counter(s);font-weight:800;color:var(--g2);font-size:1.6rem}
.demo{margin:32px 0 0}.demo video{border-radius:var(--r);border:1px solid var(--bd);display:block;margin:auto}
.faq{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:14px 18px;margin:10px 0}.faq summary{cursor:pointer;font-weight:600}
.cta{background:linear-gradient(135deg,#0b7a55,#12b886);color:#fff;text-align:center}.cta .btn{background:#fff;color:var(--g);border-color:#fff}.cta .btn.ghost{background:transparent;color:#fff}
.links{columns:2;padding-inline-start:18px}.bc{font-size:.9rem;color:var(--mut);padding-top:16px}.prose h2{margin-top:1.6em}.meta{color:var(--mut)}
.tbl{overflow-x:auto}table{border-collapse:collapse;width:100%;margin:24px 0}th,td{border:1px solid var(--bd);padding:12px;text-align:start}thead th{background:var(--alt)}
.code{background:#0f1a17;color:#c9f5e3;padding:18px;border-radius:12px;overflow:auto;direction:ltr;text-align:left}
.ftr{background:#0f1a17;color:#c8d3cf;padding:48px 0 20px}.ftr a{color:#c8d3cf}.ftr h3{color:#fff;font-size:1rem}.ftr ul{list-style:none;padding:0}.ftr li{margin:6px 0}.grid4{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}.copy{font-size:.85rem;opacity:.7;margin-top:28px}.ftr img{filter:brightness(0) invert(1)}
@media(max-width:900px){.nav{display:none}.two,.steps,.grid4{grid-template-columns:1fr}.links{columns:1}.row .btn.ghost{display:none}}
.badge{background:#eef2ff;color:#3b4cca;border-color:#d5dbff}
.hero-viz{background:#fff;border:1px solid var(--bd);border-radius:24px;box-shadow:0 30px 60px #0f1a1714;padding:20px;font:500 15px/1.4 ui-monospace,Menlo,Consolas,monospace;direction:ltr}
.viz-h{display:flex;justify-content:space-between;align-items:center;color:var(--mut);margin-bottom:12px}.viz-p{width:45%;height:6px;border-radius:9px;background:linear-gradient(90deg,#3b4cca var(--w,0%),#e8ebf7 0);animation:prog 3.2s ease-out forwards}
@property --w{syntax:"<percentage>";inherits:false;initial-value:0%}@keyframes prog{to{--w:100%}}
.hero-viz ul{list-style:none;margin:0;padding:0}.hero-viz li{display:flex;justify-content:space-between;padding:10px 12px;border-radius:10px;margin:6px 0;background:#f6f7fb;animation:mark .5s var(--d) forwards}
.hero-viz li b:after{content:"…";color:var(--mut)}.hero-viz li.ok{--c:#e7f6ee}.hero-viz li.no{--c:#fdecec}
.hero-viz li.ok b:after{content:"✓";color:#1a7f4b;animation:fade 0s var(--d) both}.hero-viz li.no b:after{content:"✕";color:#c0392b;animation:fade 0s var(--d) both}
.hero-viz li.no{animation:mark .5s var(--d) forwards,strike .4s calc(var(--d) + .5s) forwards}
@keyframes mark{to{background:var(--c)}}@keyframes strike{to{opacity:.45;text-decoration:line-through}}@keyframes fade{from{opacity:0}}
.viz-f{display:flex;gap:16px;margin-top:12px;font-size:13px}.viz-f .k{color:#1a7f4b}.viz-f .x{color:#c0392b}
@media(prefers-reduced-motion:reduce){.hero-viz *{animation:none!important}}