/* INOVIXA 통합 홈페이지 */

:root{
  --bg:#0a0f1e;
  --text:#ffffff;
  --muted:rgba(255,255,255,0.72);
  --muted-2:rgba(255,255,255,0.55);
  --line:rgba(255,255,255,0.1);
  --card:linear-gradient(160deg,rgba(255,255,255,0.08) 0%,rgba(255,255,255,0.02) 100%);
  --blue:#3b82f6;
  --cyan:#06b6d4;
  --header-h:80px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Pretendard","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
.skip-link{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.skip-link:focus{
  position:fixed;left:8px;top:8px;z-index:10000;width:auto;height:auto;margin:0;
  clip:auto;overflow:visible;padding:8px 14px;border-radius:8px;
  background:#fff;color:#0a0f1e;font-weight:700;
}

.background{
  position:fixed;inset:0;z-index:-5;
  background:
    radial-gradient(ellipse at 20% 10%,rgba(59,130,246,0.35),transparent 50%),
    radial-gradient(ellipse at 80% 80%,rgba(6,182,212,0.30),transparent 50%),
    radial-gradient(ellipse at 50% 50%,rgba(139,92,246,0.18),transparent 60%),
    linear-gradient(135deg,#0a0f1e 0%,#0f172a 50%,#1e293b 100%);
}
.background::before,.background::after{
  content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:0.6;
  animation:float 18s ease-in-out infinite;
}
.background::before{width:520px;height:520px;top:-100px;left:-100px;background:radial-gradient(circle,#3b82f6,transparent 70%);}
.background::after{width:600px;height:600px;bottom:-150px;right:-150px;background:radial-gradient(circle,#06b6d4,transparent 70%);animation-delay:-9s;}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1);}
  33%{transform:translate(40px,-30px) scale(1.05);}
  66%{transform:translate(-30px,40px) scale(0.95);}
}
.blur{position:fixed;inset:0;backdrop-filter:blur(60px);z-index:-4;}

.background.minimal{
  background:
    radial-gradient(ellipse 70% 45% at 50% -5%,rgba(96,165,250,0.18),transparent 70%),
    #0a0f1e;
}
.background.minimal::before{
  inset:0;width:auto;height:auto;border-radius:0;filter:none;opacity:1;animation:none;
  background:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
}
.background.minimal::after{display:none;}
.background.minimal + .blur{display:none;}

body > header{
  position:fixed;top:0;left:0;width:100%;height:var(--header-h);
  padding:0 48px;display:flex;justify-content:space-between;align-items:center;
  background:rgba(10,15,30,0.55);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  z-index:999;border-bottom:1px solid rgba(255,255,255,0.06);transition:background 0.3s ease;
}
body > header.scrolled{background:rgba(10,15,30,0.88);}
.logo{
  font-size:28px;font-weight:900;letter-spacing:3px;text-decoration:none;
  background:linear-gradient(120deg,#ffffff 0%,#93c5fd 50%,#22d3ee 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.logo-wrap{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo-mark{width:36px;height:36px;border-radius:10px;object-fit:cover;background:#fff;}

.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:8px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,0.06);cursor:pointer;
}
.menu-toggle span{display:block;height:2px;width:20px;background:#fff;border-radius:2px;transition:0.3s;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

#mainNav{display:flex;align-items:center;gap:28px;}
#mainNav a{
  position:relative;text-decoration:none;color:rgba(255,255,255,0.85);
  font-weight:600;font-size:15px;letter-spacing:0.3px;transition:color 0.3s ease;
}
#mainNav a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:linear-gradient(90deg,#60a5fa,#22d3ee);transition:width 0.35s ease;
}
#mainNav a:hover,#mainNav a.active{color:#fff;}
#mainNav a:hover::after,#mainNav a.active::after{width:100%;}
#mainNav .share-btn{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;
  background:linear-gradient(135deg,rgba(59,130,246,0.18),rgba(6,182,212,0.18));
  border:1px solid rgba(96,165,250,0.35);border-radius:50%;color:#bfdbfe;cursor:pointer;transition:all 0.3s ease;
}
#mainNav .share-btn::after{display:none;}
#mainNav .share-btn:hover{
  background:linear-gradient(135deg,#3b82f6,#06b6d4);border-color:transparent;color:#fff;
  transform:translateY(-1px);box-shadow:0 8px 20px rgba(59,130,246,0.4);
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:50px;font-weight:800;font-size:15px;text-decoration:none;
  letter-spacing:0.2px;transition:transform 0.3s ease,box-shadow 0.3s ease,background 0.3s ease;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,#3b82f6,#06b6d4);color:#fff;
  box-shadow:0 8px 20px rgba(59,130,246,0.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(59,130,246,0.5);}
.btn-ghost{
  background:rgba(255,255,255,0.06);color:#fff;border-color:rgba(255,255,255,0.16);
}
.btn-ghost:hover{background:rgba(255,255,255,0.12);transform:translateY(-2px);}

.hero{
  min-height:auto;display:flex;align-items:center;justify-content:center;text-align:center;
  padding:180px 24px 80px;position:relative;
}
.hero-content{max-width:980px;}
.hero .eyebrow{
  display:inline-block;margin-bottom:20px;
  font-size:13px;font-weight:600;letter-spacing:2px;color:rgba(255,255,255,0.5);
}
.hero h1{
  font-size:48px;font-weight:700;line-height:1.35;margin-bottom:20px;letter-spacing:-1.4px;
}
.hero span.grad{color:rgba(255,255,255,0.5);}
.hero h1,.hero p{word-break:keep-all;}
.hero p{font-size:17px;line-height:1.8;color:rgba(255,255,255,0.55);max-width:640px;margin:0 auto 32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.hero-link{
  font-size:15px;font-weight:600;color:#fff;text-decoration:none;
  padding-bottom:4px;border-bottom:1px solid rgba(255,255,255,0.3);
  transition:border-color 0.2s ease;
}
.hero-link:hover{border-color:#fff;}

.section{max-width:1400px;margin:auto;padding:72px 30px 88px;}
.section-title{
  font-size:42px;font-weight:900;text-align:center;margin-bottom:12px;letter-spacing:-1px;
  background:linear-gradient(120deg,#ffffff 0%,#cbd5e1 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.section-sub{font-size:17px;text-align:center;color:var(--muted-2);margin-bottom:48px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .section-title,.section-head .section-sub{text-align:left;margin:0;}
.section-head .section-sub{margin-top:8px;}
.more-link{color:#93c5fd;font-weight:700;text-decoration:none;font-size:15px;}
.more-link:hover{text-decoration:underline;}

.section-divider{display:flex;align-items:center;justify-content:center;margin-bottom:48px;gap:14px;}
.section-divider::before,.section-divider::after{
  content:"";flex:0 0 60px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);
}
.section-divider span{
  width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,#60a5fa,#22d3ee);
  box-shadow:0 0 12px rgba(96,165,250,0.6);
}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.blog-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:22px;overflow:hidden;text-decoration:none;color:inherit;
  transition:transform 0.4s ease,box-shadow 0.4s ease,border-color 0.4s ease;
}
.blog-card:hover{
  transform:translateY(-8px);border-color:rgba(255,255,255,0.22);
  box-shadow:0 30px 60px -24px rgba(0,0,0,0.7);
}
.blog-thumb{aspect-ratio:16/9;overflow:hidden;background:#0b1220;border-bottom:1px solid var(--line);}
.blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease;}
.blog-card:hover .blog-thumb img{transform:scale(1.03);}
.blog-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.blog-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:12px;color:var(--muted-2);}
.cat{
  display:inline-flex;padding:3px 10px;border-radius:100px;font-weight:700;font-size:11px;
  background:rgba(59,130,246,0.18);color:#93c5fd;border:1px solid rgba(96,165,250,0.28);
}
.blog-card h3{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:8px;letter-spacing:-0.3px;}
.blog-card p{font-size:14px;color:var(--muted);line-height:1.65;flex:1;}

.grid{display:flex;flex-wrap:wrap;justify-content:center;gap:28px;}
.grid .card{width:calc(25% - 28px);min-width:240px;max-width:280px;flex:0 1 auto;}
.card{
  position:relative;background:var(--card);backdrop-filter:blur(24px);
  border-radius:28px;padding:36px 24px 32px;text-align:center;border:1px solid var(--line);
  transition:all 0.5s cubic-bezier(.2,.8,.2,1);overflow:hidden;
}
.card:hover{
  transform:translateY(-12px) scale(1.02);
  box-shadow:0 40px 80px -20px rgba(0,0,0,0.6);border-color:rgba(255,255,255,0.2);
}
.app-icon{
  width:110px;height:110px;border-radius:26px;object-fit:cover;margin:0 auto 20px;
  background:#fff;padding:6px;box-shadow:0 16px 40px rgba(0,0,0,0.4);
}
.card:hover .app-icon{transform:scale(1.08) translateY(-4px);}
.card h3{
  font-size:20px;font-weight:800;margin-bottom:10px;
  background:linear-gradient(135deg,#fff 0%,rgba(255,255,255,0.85) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.card p{font-size:14px;line-height:1.65;color:var(--muted);min-height:72px;}
.card-actions{display:flex;flex-direction:column;gap:8px;align-items:center;margin-top:16px;}
.download-btn,.detail-btn{
  display:inline-flex;align-items:center;gap:6px;padding:11px 22px;border-radius:50px;
  font-weight:700;font-size:13px;text-decoration:none;letter-spacing:0.3px;
}
.download-btn{
  background:linear-gradient(135deg,#3b82f6,#06b6d4);color:#fff;
  box-shadow:0 8px 20px rgba(59,130,246,0.35);
}
.download-btn:hover{transform:translateY(-2px);}
.detail-btn{background:rgba(255,255,255,0.06);color:#e2e8f0;border:1px solid var(--line);}
.detail-btn:hover{background:rgba(255,255,255,0.12);}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;}
.cat-card{
  display:flex;flex-direction:column;gap:8px;padding:28px 22px;border-radius:22px;
  background:var(--card);border:1px solid var(--line);text-decoration:none;color:inherit;
  transition:transform 0.35s ease,border-color 0.35s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(96,165,250,0.45);}
.cat-card .icon{font-size:28px;}
.cat-card h3{font-size:18px;font-weight:800;}
.cat-card p{font-size:13px;color:var(--muted-2);}

.ad-banner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:40px 44px;border-radius:28px;
  background:linear-gradient(120deg,rgba(59,130,246,0.22),rgba(6,182,212,0.18));
  border:1px solid rgba(96,165,250,0.28);
}
.ad-banner h2{font-size:28px;font-weight:900;letter-spacing:-0.5px;margin-bottom:8px;}
.ad-banner p{color:var(--muted);font-size:15px;max-width:640px;}

.company-box{
  background:var(--card);border:1px solid rgba(255,255,255,0.08);border-radius:32px;
  padding:42px 48px;line-height:1.85;font-size:16px;
}
.company-box h2{font-size:26px;font-weight:800;margin:0;}
.company-box p{color:var(--muted);margin-bottom:10px;}
.company-box summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;list-style:none;user-select:none;
}
.company-box summary::-webkit-details-marker{display:none;}
.company-box summary:focus-visible{outline:2px solid #60a5fa;outline-offset:6px;border-radius:8px;}
.company-toggle{
  flex:none;width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.16);position:relative;transition:transform 0.3s ease,border-color 0.3s ease;
}
.company-toggle::before{
  content:"";position:absolute;left:50%;top:45%;width:9px;height:9px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:translate(-50%,-50%) rotate(45deg);
}
.company-box summary:hover .company-toggle{border-color:rgba(255,255,255,0.4);}
.company-box[open] .company-toggle{transform:rotate(180deg);}
.company-body{padding-top:16px;}
.company-box[open] .company-body{animation:companyOpen 0.3s ease;}
@keyframes companyOpen{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted-2);margin-bottom:24px;}
.breadcrumb a{color:#93c5fd;text-decoration:none;}
.breadcrumb span{opacity:0.5;}

.page-hero{padding:140px 24px 40px;text-align:center;}
.page-hero h1{font-size:40px;font-weight:900;letter-spacing:-1px;margin-bottom:12px;}
.page-hero p{color:var(--muted);font-size:17px;max-width:720px;margin:0 auto;}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:36px;}
.filter-btn{
  padding:8px 16px;border-radius:100px;border:1px solid var(--line);background:rgba(255,255,255,0.05);
  color:#fff;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit;
}
.filter-btn.active,.filter-btn:hover{background:linear-gradient(135deg,#3b82f6,#06b6d4);border-color:transparent;}
.search-box{
  width:min(480px,100%);margin:0 auto 28px;display:flex;gap:8px;
}
.search-box input{
  flex:1;padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,0.06);color:#fff;font-size:14px;font-family:inherit;
}
.search-box input:focus{outline:2px solid #60a5fa;}

.article{max-width:800px;margin:0 auto;padding:0 20px 80px;}
.article-hero{
  position:static;display:block;height:auto;width:100%;max-width:800px;margin:0 auto;
  padding:calc(var(--header-h) + 40px) 20px 12px;
  background:none;border:none;backdrop-filter:none;-webkit-backdrop-filter:none;z-index:auto;
}
.article-hero .breadcrumb{margin-bottom:16px;}
.article-hero .cat{margin-bottom:12px;}
.article-hero h1{font-size:34px;font-weight:900;line-height:1.4;letter-spacing:-0.8px;margin:0 0 14px;}
.article-hero .lead{font-size:18px;color:var(--muted);margin-bottom:14px;}
.article-hero .blog-meta{justify-content:flex-start;margin-top:0;}
.article-cover{
  border-radius:20px;overflow:hidden;margin:8px 0 36px;border:1px solid var(--line);
  aspect-ratio:16/9;background:#0b1220;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article h2{font-size:24px;font-weight:800;margin:40px 0 14px;letter-spacing:-0.4px;}
.article h3{font-size:19px;font-weight:800;margin:28px 0 10px;}
.article p{margin-bottom:14px;color:rgba(255,255,255,0.84);}
.article ul,.article ol{margin:0 0 16px 22px;color:rgba(255,255,255,0.84);}
.article li{margin-bottom:8px;}
.article strong{color:#fff;}
.article-media{margin:20px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#0b1220;}
.article-media img,.article-media video{width:100%;display:block;max-height:720px;object-fit:contain;background:#000;}
.article-media figcaption{padding:10px 14px;font-size:13px;color:var(--muted);}
.article-embed{position:relative;padding-bottom:56.25%;height:0;margin:20px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#000;}
.article-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.form.wide{max-width:800px;}
.form.wide textarea{min-height:280px;}
.editor-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px;}
.cover-pick{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.cover-pick img{width:140px;height:78px;object-fit:cover;border-radius:10px;border:1px solid var(--line);}
.cover-pick img[hidden],.cover-pick img:not([src]){display:none!important;}
.media-strip{display:flex;flex-wrap:wrap;gap:8px;}
.media-strip img,.media-strip video{width:76px;height:76px;object-fit:cover;border-radius:10px;border:1px solid var(--line);cursor:pointer;background:#000;}
.write-preview{min-height:120px;padding:16px;border-radius:16px;border:1px dashed var(--line);background:rgba(255,255,255,0.03);}
.write-preview h2{margin-top:16px;}
.related{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px;}
.related a{
  padding:16px;border-radius:16px;background:rgba(255,255,255,0.05);border:1px solid var(--line);
  text-decoration:none;font-weight:700;font-size:14px;
}
.related a:hover{border-color:rgba(96,165,250,0.45);}
.faq details{
  background:rgba(255,255,255,0.04);border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;margin-bottom:10px;
}
.faq summary{cursor:pointer;font-weight:700;}
.faq p{margin:10px 0 0;color:var(--muted);}

.app-detail{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:start;padding:28px;margin-bottom:24px;background:var(--card);border:1px solid var(--line);border-radius:24px;}
.app-detail img{width:140px;height:140px;border-radius:28px;background:#fff;padding:8px;}
.app-detail h1,.app-detail h2{font-size:26px;margin-bottom:8px;}
.app-detail p{color:var(--muted);margin-bottom:16px;}
.app-detail .detail-btn,.app-detail .download-btn{margin:6px 8px 0 0;}

.form{display:grid;gap:14px;max-width:640px;margin:0 auto;}
.form label{font-size:13px;font-weight:700;color:#cbd5e1;}
.form input,.form select,.form textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,0.06);color:#fff;font-family:inherit;font-size:14px;
}
.form select option{color:#0f172a;background:#fff;}
.form textarea{min-height:160px;resize:vertical;}
.form .hint{font-size:12px;color:var(--muted-2);}
.form .form-label{display:block;font-size:13px;font-weight:700;color:#cbd5e1;margin-bottom:8px;}
.cat-pick{display:flex;flex-wrap:wrap;gap:8px;}
.cat-choice{
  display:inline-flex;align-items:center;padding:8px 14px;border-radius:100px;
  border:1px solid var(--line);background:rgba(255,255,255,0.05);
  color:#fff;font-weight:700;font-size:13px;cursor:pointer;user-select:none;
}
.cat-choice input{
  position:absolute;opacity:0;width:0;height:0;pointer-events:none;
}
.cat-choice:has(input:checked),
.cat-choice:hover{
  background:linear-gradient(135deg,#3b82f6,#06b6d4);border-color:transparent;
}
.login-card{
  max-width:420px;margin:0 auto;padding:36px 28px;border-radius:24px;text-align:left;
  background:var(--card);border:1px solid var(--line);
}
.login-card h1{font-size:28px;font-weight:900;text-align:center;margin-bottom:8px;}
.login-card > p{text-align:center;color:var(--muted);margin-bottom:22px;}
.login-card .form{margin:0;max-width:none;}
.nav-logout{
  margin-left:8px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:#fff;font:inherit;font-size:13px;font-weight:700;cursor:pointer;
}
.nav-logout:hover{border-color:rgba(96,165,250,0.45);}
.email-card{
  max-width:560px;margin:0 auto;padding:36px 28px;border-radius:24px;text-align:center;
  background:var(--card);border:1px solid var(--line);
}
.email-card .addr{
  font-size:22px;font-weight:800;letter-spacing:0.2px;margin:10px 0 8px;color:#93c5fd;word-break:break-all;
}

.legal{max-width:840px;margin:0 auto;padding:0 20px 80px;}
.legal h2{font-size:22px;margin:32px 0 10px;}
.legal p,.legal li{color:var(--muted);margin-bottom:10px;}
.legal ul{margin-left:20px;}

footer{
  padding:56px 30px 28px;color:var(--muted-2);font-size:14px;
  border-top:1px solid rgba(255,255,255,0.06);margin-top:20px;
}
.footer-grid{
  max-width:1400px;margin:0 auto 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  text-align:left;
}
.footer-brand .logo{font-size:24px;display:inline-block;margin-bottom:10px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.7;}
footer h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:0.4px;}
footer ul{list-style:none;}
footer li{margin-bottom:8px;}
footer a{color:var(--muted-2);text-decoration:none;}
footer a:hover{color:#fff;}
.footer-bottom{text-align:center;padding-top:18px;border-top:1px solid rgba(255,255,255,0.06);color:rgba(255,255,255,0.4);font-size:13px;}

.floating{position:fixed;right:24px;bottom:24px;z-index:9999;}
.email-btn{
  display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,#3b82f6,#06b6d4);
  color:#fff;padding:16px 28px;border-radius:60px;font-weight:800;font-size:15px;text-decoration:none;
  box-shadow:0 12px 30px rgba(59,130,246,0.45);
}
.email-btn:hover{transform:translateY(-4px);}

.email-modal{
  position:fixed;inset:0;background:rgba(5,10,25,0.75);backdrop-filter:blur(12px);
  z-index:10000;display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;
}
.email-modal.open{opacity:1;visibility:visible;}
.email-modal-card{
  position:relative;width:100%;max-width:420px;
  background:linear-gradient(160deg,rgba(30,41,59,0.95) 0%,rgba(15,23,42,0.95) 100%);
  border:1px solid rgba(255,255,255,0.12);border-radius:24px;padding:36px 28px 28px;
  transform:translateY(20px) scale(0.96);transition:transform 0.4s ease;
}
.email-modal.open .email-modal-card{transform:translateY(0) scale(1);}
.email-modal-close{
  position:absolute;top:14px;right:16px;width:36px;height:36px;border:none;
  background:rgba(255,255,255,0.08);color:#fff;font-size:22px;border-radius:50%;cursor:pointer;
}
.email-modal-card h3{font-size:22px;font-weight:800;margin-bottom:6px;}
.email-modal-desc{font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:22px;}
.email-option{
  display:flex;flex-direction:column;gap:4px;width:100%;padding:14px 18px;margin-bottom:10px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);border-radius:14px;
  color:#fff;text-decoration:none;text-align:left;font-family:inherit;cursor:pointer;
}
.email-option:hover{background:rgba(59,130,246,0.15);border-color:rgba(96,165,250,0.45);}
.email-option strong{font-size:15px;}
.email-option span{font-size:12px;color:rgba(255,255,255,0.55);}
.email-option.copied{background:rgba(34,197,94,0.15);border-color:rgba(34,197,94,0.45);}
.share-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px;}
.share-item{
  display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 8px;border-radius:14px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);color:#fff;text-decoration:none;
}
.share-icon{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--c,#3b82f6);font-weight:900;}
.share-name{font-size:12px;font-weight:600;color:rgba(255,255,255,0.8);}

@media(max-width:1280px){
  .grid .card{width:calc(33.333% - 24px);min-width:220px;max-width:260px;}
  .blog-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:1024px){
  .hero h1{font-size:40px;}
  .section-title{font-size:34px;}
  body > header{padding:0 20px;}
  .app-detail{grid-template-columns:1fr;text-align:center;justify-items:center;}
}
@media(max-width:900px){
  .menu-toggle{display:flex;z-index:1001;}
  #mainNav{
    position:fixed;top:var(--header-h);right:0;left:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,15,30,0.96);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);padding:12px 16px 20px;z-index:1000;
  }
  #mainNav.open{display:flex;}
  #mainNav a{padding:14px 8px;font-size:16px;}
  #mainNav a::after{display:none;}
  #mainNav .share-btn{width:100%;border-radius:12px;height:44px;margin-top:8px;}
  .hero{padding:120px 20px 48px;}
  .hero h1{font-size:32px;}
  .article-hero{padding:calc(var(--header-h) + 16px) 16px 8px;}
  .article-hero h1{font-size:26px;}
  .article{padding:0 16px 64px;}
}
@media(max-width:768px){
  body > header{height:72px;}
  :root{--header-h:72px;}
  .logo{font-size:22px;letter-spacing:2px;}
  .hero{padding:130px 20px 48px;}
  .hero h1{font-size:28px;}
  .hero p{font-size:15px;}
  .section{padding:48px 16px 64px;}
  .section-title{font-size:26px;}
  .blog-grid,.related{grid-template-columns:1fr;}
  .grid .card{width:calc(50% - 12px);min-width:140px;max-width:none;padding:20px 12px 18px;}
  .app-icon{width:74px;height:74px;border-radius:18px;}
  .card h3{font-size:15px;}
  .card p{font-size:12px;min-height:52px;}
  .ad-banner{padding:28px 20px;text-align:center;justify-content:center;}
  .ad-banner h2{font-size:22px;}
  .company-box{padding:24px 18px;}
  .article-hero h1{font-size:26px;}
  .page-hero{padding:120px 16px 24px;}
  .page-hero h1{font-size:28px;}
  .floating{right:16px;bottom:16px;}
  .email-btn{padding:13px 18px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
}
@media(max-width:540px){
  .grid .card{width:100%;max-width:none;}
  .cat-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}
@media(min-width:1600px){
  .hero h1{font-size:58px;}
  .section{max-width:1500px;}
}