:root{--ink:#161d2a;--muted:#667085;--line:#dbe4ef;--ice:#2388eb;--ice2:#dff1ff;--fire:#f25b36;--fire2:#fff0e8;--soft:#f7f9fc;--card:#fff;--shadow:0 18px 50px rgba(24,38,61,.10);--r:24px;--max:1180px}
*{box-sizing:border-box}button,input,textarea,select{font-family:"Poppins",system-ui,-apple-system,Segoe UI,sans-serif}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-family:"Poppins",system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:16px}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}p{color:var(--muted);margin:0 0 16px}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:86px 0}.section.soft{background:var(--soft)}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#38516e;background:#eef4fa;border:1px solid #dce8f4;padding:7px 11px;border-radius:999px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--ice),var(--fire))}.section-title{font-size:clamp(30px,4vw,48px);line-height:1.12;margin:14px 0 18px;letter-spacing:-.035em}.lead{font-size:18px;max-width:760px}.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:13px 20px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.2s ease}.btn-primary{background:linear-gradient(135deg,#248bea,#166eca);color:#fff;box-shadow:0 12px 28px rgba(35,136,235,.25)}.btn-secondary{background:#fff;border-color:var(--line)}.btn-fire{background:linear-gradient(135deg,#f36b47,#dc4327);color:#fff;box-shadow:0 12px 28px rgba(242,91,54,.22)}.btn:hover{transform:translateY(-2px)}
.skip-link{position:fixed;left:12px;top:-60px;background:#111;color:#fff;padding:10px 14px;z-index:999;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,228,239,.7)}.site-header.shadow{box-shadow:0 10px 30px rgba(15,23,42,.08)}.header-inner{height:76px;display:flex;align-items:center;gap:26px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;flex:0 0 auto}.brand img{width:48px;height:48px;object-fit:cover;border-radius:12px}.brand-text{font-size:18px;line-height:1;font-weight:800;letter-spacing:-.02em;color:#172033;white-space:nowrap}.nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav a{padding:10px 11px;border-radius:10px;font-size:14px;font-weight:600;color:#445065}.nav a:hover,.nav a.active{background:#eef4fa;color:#142033}.nav .download-top{margin-left:6px;background:#172033;color:#fff;padding:11px 15px}.menu-toggle{display:none;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:11px;width:44px;height:44px;font-size:21px}.hero{padding:70px 0 56px;background:radial-gradient(circle at 12% 18%,#e9f5ff 0,transparent 34%),radial-gradient(circle at 88% 12%,#fff0e9 0,transparent 34%),#fbfdff}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.hero h1{font-size:clamp(40px,5.8vw,68px);line-height:1.03;letter-spacing:-.05em;margin:18px 0 20px}.hero h1 span{background:linear-gradient(90deg,var(--ice),var(--fire));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:#526078;font-size:14px;font-weight:600}.trust-row span{display:flex;gap:7px;align-items:center}.hero-visual{position:relative;max-width:440px;width:100%;justify-self:end}.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:26px;box-shadow:var(--shadow);border:1px solid #e5edf5}.float-note{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:0 12px 28px rgba(20,31,49,.12);border-radius:16px;padding:12px 15px;font-weight:700;font-size:13px}.float-note.ice{left:-20px;bottom:34px}.float-note.fire{right:-18px;top:28px}.about-grid,.setup-grid,.release-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}.media-card{max-width:500px;width:100%}.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.mini-list{display:grid;gap:13px;margin-top:24px}.mini-list div{display:flex;gap:12px;align-items:flex-start}.mini-list b{display:block;margin-bottom:2px}.dot{width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,var(--ice2),var(--fire2))}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:0 10px 30px rgba(24,38,61,.05)}.card h3{font-size:19px;margin:10px 0 8px}.iconbox{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--ice2),var(--fire2));font-size:21px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}.step{position:relative;padding:24px 22px;border-radius:22px;background:#fff;border:1px solid var(--line)}.step-num{font-size:13px;font-weight:800;color:#fff;background:#1a2432;width:34px;height:34px;border-radius:10px;display:grid;place-items:center}.split-banner{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:28px;overflow:hidden}.split-banner>div{padding:34px}.split-banner .cold{background:#eff8ff}.split-banner .warm{background:#fff3ed}.compat-table{width:100%;border-collapse:collapse;margin-top:26px;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.compat-table th,.compat-table td{text-align:left;padding:16px;border-bottom:1px solid var(--line)}.compat-table th{background:#f6f8fb;font-size:14px}.compat-table tr:last-child td{border-bottom:0}.download-shell{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:center;padding:34px;border-radius:30px;background:#172033;color:#fff;overflow:hidden}.download-shell p{color:#cfd7e5}.download-shell img{border-radius:22px}.download-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.download-meta div{background:rgba(255,255,255,.08);padding:12px;border-radius:13px;font-size:13px}.notice{border-left:4px solid var(--fire);background:#fff7f3;padding:20px 22px;border-radius:0 18px 18px 0}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:18px}.proscons .card ul{padding-left:20px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.guide-card{overflow:hidden;padding:0}.guide-card img{aspect-ratio:16/9;object-fit:cover}.guide-card .pad{padding:20px}.guide-card a{font-weight:700;color:#145ea8}.faq-shell{margin-top:32px;display:grid;grid-template-columns:220px 1fr;gap:26px}.faq-tabs{display:flex;flex-direction:column;gap:8px;position:sticky;top:104px;align-self:start;height:max-content}.faq-tab{border:1px solid var(--line);background:#fff;border-radius:13px;padding:13px 14px;text-align:left;font:inherit;font-weight:700;cursor:pointer}.faq-tab.active{background:#172033;color:#fff}.faq-group{display:none}.faq-group.active{display:block}.faq-item{border:1px solid var(--line);border-radius:16px;margin-bottom:10px;background:#fff;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:17px 19px;background:#fff;border:0;text-align:left;font:inherit;font-weight:700;cursor:pointer}.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}.faq-a p{padding:0 19px 18px;margin:0}.faq-item.open .faq-a{max-height:260px}.faq-q span:last-child{font-size:22px;transition:.2s}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.page-hero{padding:58px 0 46px;background:linear-gradient(180deg,#f7fbff,#fff)}.page-hero h1{font-size:clamp(34px,5vw,54px);line-height:1.1;margin:12px 0}.breadcrumb{font-size:13px;color:#718096;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.breadcrumb a:hover{color:var(--ice)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px}.article{min-width:0}.article h2{font-size:30px;line-height:1.25;margin:38px 0 13px}.article h3{font-size:21px;margin:28px 0 10px}.article ul,.article ol{color:#56647a}.article .feature-img{border-radius:26px;margin:10px 0 28px;box-shadow:var(--shadow)}.sidebar{position:sticky;top:96px;height:max-content}.side-card{border:1px solid var(--line);border-radius:20px;padding:20px;margin-bottom:16px}.side-card h3{margin:0 0 11px;font-size:17px}.side-card a{display:block;padding:8px 0;border-bottom:1px dashed #e3e9f0;font-size:14px;color:#315a83}.side-card a:last-child{border:0}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.blog-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}.blog-card img{aspect-ratio:16/9;object-fit:cover}.blog-card .pad{padding:20px}.blog-card h2{font-size:20px;line-height:1.35;margin:6px 0 10px}.blog-card .meta{font-size:12px;font-weight:700;color:#708097;text-transform:uppercase;letter-spacing:.06em}.legal{max-width:820px;margin:auto}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.email-plain{font-weight:800;font-size:20px;color:#172033;word-break:break-all}.site-footer{background:#121923;color:#e8edf5;padding:60px 0 26px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1.25fr;gap:34px}.site-footer p{color:#aeb9ca}.footer-logo img{width:200px;filter:brightness(0) invert(1);opacity:.95}.footer-title{font-weight:800;margin-bottom:12px}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-links a{color:#cbd5e4;font-size:14px}.footer-links a:hover{color:#fff}.copyright{text-align:center;border-top:1px solid #2c3543;margin-top:36px;padding-top:24px;color:#aeb9ca;font-size:13px}.copyright a{color:#fff}.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:none;font-size:20px}.to-top.show{display:block}.reveal{opacity:0;transform:translateY(14px);transition:.5s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:960px){.nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:10px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav .download-top{margin:4px 0 0}.menu-toggle{display:block}.hero-grid,.about-grid,.setup-grid,.release-grid,.download-shell,.content-grid{grid-template-columns:1fr}.hero{padding-top:48px}.hero-visual{max-width:440px;justify-self:center}.feature-grid,.guide-grid,.blog-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.faq-shell{grid-template-columns:1fr}.faq-tabs{flex-direction:row;position:static;height:auto}.faq-tab{flex:1}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:640px){body{font-size:15px}.container{width:min(100% - 28px,var(--max))}.section{padding:64px 0}.hero h1{font-size:40px}.feature-grid,.guide-grid,.blog-grid,.steps,.proscons,.split-banner,.contact-panel,.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.download-meta{grid-template-columns:1fr}.hero-actions .btn{width:100%}.float-note{position:static;display:inline-flex;margin:8px 5px 0 0}.section-title{font-size:32px}.page-hero h1{font-size:38px}.faq-tabs{overflow:auto}.faq-tab{min-width:165px}.compat-table{display:block;overflow-x:auto}.brand img{width:166px}}

.footer-logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;margin-bottom:14px}.footer-logo img{width:48px;height:48px;object-fit:contain;border-radius:10px;filter:none;opacity:1;background:transparent}.footer-logo .brand-text{color:#fff;font-size:18px}.footer-disclaimer{text-align:center;margin:8px auto 0;max-width:900px;color:#8f9bad;font-size:12px;line-height:1.6}

@media (max-width:760px){.brand{gap:8px}.brand img{width:42px;height:42px}.brand-text{font-size:16px}.hero-visual{max-width:420px;margin-inline:auto}.media-card{max-width:100%;margin-inline:auto}.hero-visual img,.media-card img{aspect-ratio:16/9}}

/* Hero keyword + exact 16:9 visual refinement */
.hero-visual{width:min(100%,520px);max-width:520px;aspect-ratio:16/9;justify-self:end}
.hero-visual img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;object-position:center;border-radius:24px}
@media(max-width:960px){.hero-visual{width:min(100%,520px);max-width:520px;aspect-ratio:16/9;justify-self:center;margin-inline:auto}}
@media(max-width:640px){.hero-visual{width:100%;max-width:100%;aspect-ratio:16/9}.hero-visual img{height:100%}}