:root{--bg:#fbfffd;--surface:#effaf5;--surface2:#ddf5ea;--text:#16352f;--muted:#61756e;--line:#cfe4dc;--primary:#0f766e;--primary2:#14a896;--accent:#f59e0b;--accent-soft:#fff2d7;--warn:#b96506;--danger:#bb3e3e;--radius:22px;--shadow:0 18px 44px rgba(20,72,61,.11);--container:1140px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'Poppins','Segoe UI',Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6,p,a,button,input,textarea,select,li,span{font-family:'Poppins','Segoe UI',Arial,sans-serif}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 36px));margin:auto}.section{padding:84px 0}.section-soft{background:linear-gradient(180deg,#f3fbf7 0%,#fffaf0 100%)}.section-head{max-width:760px;margin:0 auto 38px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--surface2);color:#0d6b62;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border:1px solid #c5eadd}.section h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;margin:14px 0 12px}.section h3{font-size:22px;line-height:1.35;margin:0 0 10px}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border-radius:13px;border:1px solid transparent;font-weight:700;transition:.2s ease}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 25px rgba(15,118,110,.20)}.btn-primary:hover{background:#0b5f59;transform:translateY(-1px)}.btn-secondary{border-color:#c9ded6;background:#fffdf8;color:#21473f}.btn-secondary:hover{border-color:#9ecdbd;background:#f8fffB}.site-header{position:sticky;top:0;z-index:50;background:rgba(251,255,253,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(207,228,220,.92);transition:box-shadow .2s}.site-header.is-scrolled{box-shadow:0 9px 28px rgba(18,73,61,.10)}.nav-wrap{min-height:74px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;min-width:180px}.brand img{width:174px;height:auto}.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}.main-nav a{padding:10px 11px;border-radius:10px;font-size:14px;font-weight:600;color:#31564d}.main-nav a:hover,.main-nav a.active{background:#e6f7f0;color:#0b665e}.nav-download{margin-left:8px!important;background:#4f46e5!important;border-color:#4f46e5!important;color:#ffffff!important;box-shadow:0 10px 24px rgba(79,70,229,.24)!important}.nav-download:hover{background:#372bc9!important;border-color:#372bc9!important;color:#f7f7ff!important}.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fffdf8;color:#17463c;border-radius:10px;width:44px;height:44px}.hero{padding:86px 0 74px;background:radial-gradient(circle at 88% 15%,#d8f5e9 0,transparent 30%),linear-gradient(135deg,#ecfff7 0%,#fff9eb 55%,#fbfffd 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}.hero h1{font-size:clamp(40px,5.7vw,68px);line-height:1.03;margin:16px 0 20px;letter-spacing:-.04em}.hero h1 span{color:var(--primary)}.hero p{font-size:18px;color:var(--muted);max-width:650px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.trust-chip{padding:8px 11px;border-radius:999px;border:1px solid #cfe4dc;font-size:13px;background:#fffdf8;color:#31564d}.visual-frame{padding:12px;background:#fafffd;border:1px solid #bfe2d5;border-radius:28px;box-shadow:var(--shadow)}.visual-frame img{border-radius:20px;width:100%;aspect-ratio:16/9;object-fit:cover}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.content-list{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}.content-list li{position:relative;padding-left:28px;color:#49665f}.content-list li:before{content:'✓';position:absolute;left:0;top:0;color:var(--primary);font-weight:800}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fffefb;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 9px 22px rgba(20,72,61,.055)}.feature-card .icon,.mini-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:#e0f6ed;color:var(--primary);font-weight:800;margin-bottom:16px;border:1px solid #c8eadf}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}.step{background:#fffefb;border:1px solid var(--line);border-radius:18px;padding:24px;position:relative}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:800;margin-bottom:16px}.compat-grid,.use-grid,.proscons{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.compat-table{width:100%;border-collapse:collapse;background:#fffefb;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.compat-table th,.compat-table td{text-align:left;padding:15px 16px;border-bottom:1px solid var(--line)}.compat-table tr:last-child td{border-bottom:0}.compat-table th{background:#edf9f4}.download-box{display:grid;grid-template-columns:.88fr 1.12fr;gap:38px;align-items:center;background:linear-gradient(135deg,#e9fff6,#fff4d9);border:1px solid #cce7dc;border-radius:30px;padding:34px;box-shadow:0 18px 45px rgba(29,97,80,.08)}.download-box .visual-frame{background:#fff}.download-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}.download-meta span{padding:10px 12px;background:#fffdf8;border:1px solid var(--line);border-radius:11px;font-size:14px}.notice{border-left:4px solid var(--accent);background:#fff7e8;border-radius:14px;padding:18px 20px}.safety-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}.list-card ul{margin:0;padding-left:20px}.list-card li{margin:8px 0}.good{border-top:4px solid var(--primary2)}.bad{border-top:4px solid #d05a54}.release-card{display:grid;grid-template-columns:190px 1fr;gap:26px;align-items:center}.release-badge{background:#e7f7f0;padding:24px;border-radius:18px;text-align:center;border:1px solid #cce9df}.release-badge strong{display:block;font-size:34px;color:var(--primary)}.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.guide-card{overflow:hidden;padding:0}.guide-card img{aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);background:#f3fbf7}.guide-card-body{padding:20px}.guide-card h3{font-size:19px}.faq-shell{display:grid;grid-template-columns:220px 1fr;gap:26px}.faq-tabs{display:flex;flex-direction:column;gap:10px;position:sticky;top:100px;align-self:start}.faq-tab{border:1px solid var(--line);background:#fffdf8;padding:13px 14px;border-radius:12px;text-align:left;font-weight:700;color:#31564d}.faq-tab.active{background:linear-gradient(135deg,var(--primary),var(--primary2));border-color:var(--primary);color:#fff}.faq-group{display:none}.faq-group.active{display:block}.faq-item{border:1px solid var(--line);border-radius:16px;background:#fffefb;margin-bottom:12px;overflow:hidden}.faq-q{width:100%;border:0;background:#fffefb;text-align:left;padding:18px 54px 18px 20px;font-weight:700;color:var(--text);position:relative}.faq-q:after{content:'+';position:absolute;right:20px;top:14px;font-size:26px;color:var(--primary)}.faq-item.open .faq-q:after{content:'−'}.faq-a{display:none;padding:0 20px 18px;color:var(--muted)}.faq-item.open .faq-a{display:block}.site-footer{background:linear-gradient(180deg,#eff9f5 0%,#e8f5ef 100%);border-top:1px solid var(--line);padding:46px 0 24px}.footer-grid{display:grid;grid-template-columns:1.35fr .65fr .9fr;gap:34px}.footer-logo{width:210px;margin-bottom:14px}.footer-links{display:grid;gap:9px}.footer-links a:hover{color:var(--primary)}.copyright{border-top:1px solid #c7ded5;margin-top:30px;padding-top:20px;text-align:center;font-size:14px;color:#527068}.copyright a{font-weight:700;color:#17483e}.copyright .disclaimer{display:block;margin-top:8px}.scroll-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:0;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s}.scroll-top.show{opacity:1;visibility:visible}.reveal{opacity:0;transform:translateY(18px);transition:.5s}.reveal.visible{opacity:1;transform:none}
.page-hero{padding:68px 0 52px;background:radial-gradient(circle at 75% 10%,#daf5eb 0,transparent 30%),linear-gradient(180deg,#effbf6,#fffdf8);text-align:center}.page-hero h1{font-size:clamp(34px,5vw,54px);margin:8px 0 12px;line-height:1.15}.breadcrumbs{font-size:13px;color:var(--muted)}.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}.article{background:transparent}.article img.featured{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:22px;border:1px solid var(--line);margin-bottom:28px;box-shadow:0 14px 34px rgba(20,72,61,.08)}.article h2{font-size:30px;margin:36px 0 12px}.article h3{font-size:22px;margin:28px 0 10px}.article p,.article li{color:#4d6961}.article ul,.article ol{padding-left:22px}.article .note{padding:16px 18px;background:#eef9f5;border:1px solid #cde7dd;border-radius:14px}.sidebar{position:sticky;top:98px;display:grid;gap:18px}.sidebar .card{padding:20px}.sidebar a{display:block;padding:8px 0;color:#4c6961}.sidebar a:hover{color:var(--primary)}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.blog-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fffefb;box-shadow:0 10px 24px rgba(20,72,61,.06)}.blog-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);background:#f2fbf7}.blog-card .body{padding:20px}.blog-card h2{font-size:20px;margin:6px 0 10px}.tag{font-size:12px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.05em}.legal{max-width:850px;margin:auto}.legal h2{font-size:28px;margin-top:34px}.legal p,.legal li{color:#4d6961}.contact-card{max-width:780px;margin:auto;text-align:center}.contact-email{display:inline-block;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:#fffdf8;font-weight:700;color:#214c42}

.hero .visual-frame{border-radius:34px 14px 34px 14px;background:linear-gradient(135deg,#ffffff,#e8fff3);transform:rotate(-1deg)}
#about .visual-frame{border-radius:18px 34px 18px 34px;background:linear-gradient(135deg,#fffefb,#eefcf6);box-shadow:0 18px 42px rgba(20,72,61,.08)}
.download-box .visual-frame{border-radius:26px;background:linear-gradient(135deg,#ffffff,#fff7e5);box-shadow:0 18px 38px rgba(245,158,11,.10)}
.guide-card:nth-child(3n+1),.blog-card:nth-child(3n+1){border-radius:28px 18px 28px 18px}
.guide-card:nth-child(3n+1) img,.blog-card:nth-child(3n+1) img{border-radius:20px 10px 0 0}
.guide-card:nth-child(3n+2),.blog-card:nth-child(3n+2){border-radius:18px 32px 18px 32px;transform:translateY(14px)}
.guide-card:nth-child(3n+2) img,.blog-card:nth-child(3n+2) img{border-radius:10px 24px 0 0}
.guide-card:nth-child(3n+3),.blog-card:nth-child(3n+3){border-radius:32px 16px 24px 16px;transform:translateY(6px)}
.guide-card:nth-child(3n+3) img,.blog-card:nth-child(3n+3) img{border-radius:24px 12px 0 0}
.guide-card img,.blog-card img{border-bottom:1px solid var(--line);background:#f3fbf7}
@media(max-width:980px){.guide-card:nth-child(n),.blog-card:nth-child(n){transform:none}}
@media(max-width:980px){.main-nav{display:none;position:absolute;left:18px;right:18px;top:72px;background:#fffefb;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-download{margin:6px 0 0!important}.menu-toggle{display:block}.hero-grid,.split,.download-box,.safety-grid,.article-wrap{grid-template-columns:1fr}.feature-grid,.guide-grid,.blog-grid,.trouble-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.faq-shell{grid-template-columns:1fr}.faq-tabs{position:static;flex-direction:row;flex-wrap:wrap}.faq-tab{flex:1 1 180px}.footer-grid{grid-template-columns:1fr 1fr}.sidebar{position:static}}
@media(max-width:640px){.container{width:min(100% - 24px,var(--container))}.section{padding:62px 0}.hero{padding:56px 0}.hero-grid{gap:30px}.hero p{font-size:16px}.feature-grid,.guide-grid,.blog-grid,.trouble-grid,.steps,.compat-grid,.use-grid,.proscons,.footer-grid{grid-template-columns:1fr}.download-meta{grid-template-columns:1fr}.download-box{padding:22px}.release-card{grid-template-columns:1fr}.footer-grid{text-align:left}.nav-wrap{min-height:68px}.brand img{width:158px}.page-hero{padding:50px 0 40px}.article h2{font-size:26px}.faq-q{font-size:15px}.hero-actions .btn{width:100%}}

/* Hero v4: centered showcase layout */
.hero-showcase{padding:78px 0 70px;background:radial-gradient(circle at 50% 0%,rgba(79,70,229,.13),transparent 32%),radial-gradient(circle at 88% 35%,rgba(20,184,166,.12),transparent 26%),linear-gradient(180deg,#f8f9ff 0%,#f7fffc 58%,#fffdf8 100%);overflow:hidden}
.hero-showcase .hero-copy{max-width:850px;margin:0 auto;text-align:center;position:relative;z-index:3}
.hero-showcase .hero-copy h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:16px 0 20px;letter-spacing:-.045em}
.hero-showcase .hero-copy h1 span{color:#4f46e5}
.hero-showcase .hero-copy p{font-size:18px;color:var(--muted);max-width:720px;margin:0 auto}
.hero-showcase .hero-actions{justify-content:center}
.hero-stage{max-width:980px;margin:48px auto 0;position:relative;padding:0 54px 30px}
.hero-screen{position:relative;z-index:2;padding:12px;background:linear-gradient(135deg,#ffffff,#f4f7ff);border:1px solid #d8dcf4;border-radius:30px;box-shadow:0 30px 70px rgba(40,46,95,.18);transform:none}
.hero-screen:before{content:'';display:block;height:20px;margin:-2px 0 10px;border-radius:14px;background:linear-gradient(90deg,#efeff7 0 7%,transparent 7% 9%,#efeff7 9% 16%,transparent 16%)}
.hero-screen img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px}
.hero-badge{position:absolute;z-index:4;min-width:190px;padding:14px 16px;background:rgba(255,255,255,.96);border:1px solid #d9def4;border-radius:16px;box-shadow:0 16px 34px rgba(40,46,95,.13);backdrop-filter:blur(10px)}
.hero-badge strong{display:block;font-size:15px;color:#312e81;margin-bottom:2px}
.hero-badge span{display:block;font-size:12px;color:#64748b}
.hero-badge-left{left:0;top:86px}
.hero-badge-right{right:0;bottom:78px}
.hero-trust{justify-content:center;margin-top:4px}
.hero-showcase .trust-chip{background:#fff;border-color:#dfe3f3;color:#455267}
@media(max-width:980px){.hero-stage{padding:0 18px 24px}.hero-badge{position:static;display:inline-block;min-width:0;margin:0 6px 14px}.hero-stage{text-align:center}.hero-screen{text-align:left}.hero-showcase .hero-copy p{font-size:17px}}
@media(max-width:640px){.hero-showcase{padding:54px 0 52px}.hero-showcase .hero-copy h1{font-size:clamp(38px,12vw,54px)}.hero-stage{margin-top:34px;padding:0 0 20px}.hero-badge{width:100%;margin:0 0 10px;text-align:left}.hero-screen{padding:8px;border-radius:20px}.hero-screen:before{height:14px;margin-bottom:7px}.hero-screen img{border-radius:14px}.hero-trust{margin-top:8px}}


/* Hero background refresh */
.hero.hero-background{
  position:relative;
  isolation:isolate;
  min-height:700px;
  padding:110px 0 96px;
  overflow:hidden;
  background:#050807;
  display:flex;
  align-items:center;
}
.hero-background .hero-bg{
  position:absolute;
  inset:-20px;
  z-index:-3;
  background-image:url('/assets/images/hero-black-background.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  filter:blur(8px);
  transform:scale(1.08);
}
.hero-background .hero-overlay{
  position:absolute;
  inset:0;
  z-index:-2;
  background:linear-gradient(180deg,rgba(3,8,7,.78) 0%,rgba(3,8,7,.72) 100%);
}
.hero-background-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:500px;
}
.hero-background .hero-copy{
  width:min(760px,100%);
  margin:0 auto;
  text-align:center;
}
.hero-copy-panel{
  padding:34px 36px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:26px;
  background:rgba(5,13,11,.68);
  box-shadow:0 24px 70px rgba(0,0,0,.28);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.hero-background .hero-copy h1{
  color:#ffffff;
  margin:14px 0 18px;
  text-shadow:0 3px 20px rgba(0,0,0,.35);
}
.hero-background .hero-copy h1 span{color:#8cf1c9}
.hero-background .hero-copy p{
  color:#edf7f3;
  font-size:18px;
  max-width:620px;
  margin-left:auto;
  margin-right:auto;
}
.hero-background .eyebrow{
  background:rgba(238,255,248,.93);
  color:#0d685a;
  border-color:rgba(255,255,255,.6);
}
.hero-background .btn-primary{
  background:#4f46e5;
  border-color:#4f46e5;
  color:#fff;
  box-shadow:0 12px 28px rgba(79,70,229,.34);
}
.hero-background .btn-primary:hover{background:#382fc9;border-color:#382fc9}
.hero-background .btn-secondary{
  background:rgba(255,255,255,.94);
  color:#173b33;
  border-color:rgba(255,255,255,.8);
}
.hero-background .hero-actions{justify-content:center}
.hero-background .hero-trust{
  justify-content:center;
  margin-top:24px;
}
.hero-background .trust-chip{
  background:rgba(8,19,16,.72);
  border-color:rgba(255,255,255,.22);
  color:#f0faf6;
}
@media(max-width:980px){
  .hero.hero-background{min-height:640px;padding:90px 0 74px}
  .hero-background .hero-overlay{background:rgba(3,8,7,.72)}
  .hero-background-inner{min-height:440px;justify-content:center}
  .hero-background .hero-copy{width:min(700px,100%)}
}
@media(max-width:640px){
  .hero.hero-background{min-height:600px;padding:72px 0 58px}
  .hero-background .hero-bg{background-position:center;filter:blur(6px)}
  .hero-copy-panel{padding:26px 22px;border-radius:20px;background:rgba(5,13,11,.76)}
  .hero-background .hero-copy h1{font-size:clamp(36px,12vw,50px)}
  .hero-background .hero-copy p{font-size:16px}
}