:root{--bg:#F4F8FC;--bg-2:#FFFFFF;--card:#FFFFFF;--accent:#0A7CFF;--accent-2:#00C2A8;--ink:#0B2545;--ink-2:#16365F;--muted:#6E7C95;--line:#E2EAF4}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

header{position:sticky;top:0;z-index:50;background:rgba(244,248,252,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--ink)}
.logo .lo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:white;font-weight:800}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:14px;color:var(--muted);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:14px;transition:all .25s;cursor:pointer;border:none;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:white;box-shadow:0 10px 30px rgba(10,124,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(10,124,255,.4)}
.btn-ghost{background:white;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

.lang-switch{display:flex;gap:2px;background:rgba(10,124,255,.06);padding:4px;border-radius:999px;border:1px solid var(--line)}
.lang-switch a{font-size:12px;font-weight:700;color:var(--muted);padding:6px 11px;border-radius:999px;transition:all .2s;letter-spacing:.5px;text-decoration:none}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:white;box-shadow:0 4px 10px rgba(10,124,255,.25)}
@media(max-width:900px){.lang-switch a{padding:5px 8px;font-size:11px}}

.article-hero{padding:60px 0 40px;background:linear-gradient(180deg,#E0EEFF 0%,#F4F8FC 100%)}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--accent)}
.breadcrumb a:hover{text-decoration:underline}
.article-hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:18px;color:var(--ink)}
.article-hero .lead{font-size:18px;color:var(--muted);max-width:760px}

.article-body{padding:60px 0 80px}
.article-grid{display:grid;grid-template-columns:1fr 360px;gap:50px;align-items:flex-start}
.article-main img.cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;margin-bottom:36px;box-shadow:0 30px 70px rgba(11,37,69,.12)}
.article-main h2{font-size:28px;font-weight:800;margin:42px 0 16px;letter-spacing:-.5px;color:var(--ink)}
.article-main h2:first-of-type{margin-top:0}
.article-main h3{font-size:20px;font-weight:700;margin:28px 0 12px;color:var(--ink)}
.article-main p{margin-bottom:16px;color:#34455F;font-size:16px}
.article-main ul,.article-main ol{margin:14px 0 22px 22px;color:#34455F}
.article-main li{margin-bottom:8px}
.article-main strong{color:var(--ink)}

.callout{background:white;border-left:4px solid var(--accent);border-radius:14px;padding:22px 26px;margin:28px 0;box-shadow:0 10px 30px rgba(11,37,69,.05)}
.callout b{display:block;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:8px;font-weight:700}

.price-table{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:24px 0}
.price-table table{width:100%;border-collapse:collapse}
.price-table th,.price-table td{padding:16px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.price-table th{background:#F4F8FC;font-weight:700;color:var(--ink);font-size:13px;text-transform:uppercase;letter-spacing:.04em}
.price-table tr:last-child td{border-bottom:none}
.price-table td:last-child{text-align:right;font-weight:700;color:var(--accent);white-space:nowrap}

.faq-list{display:grid;gap:12px;margin:20px 0 30px}
.faq-item{background:white;border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--accent)}
.faq-item summary{padding:20px 26px;cursor:pointer;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--accent);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 26px 22px;color:#34455F;font-size:15px}

.article-side{position:sticky;top:100px}
.cta-card{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:white;border-radius:22px;padding:32px;box-shadow:0 30px 70px rgba(10,124,255,.25)}
.cta-card h3{font-size:22px;font-weight:800;margin-bottom:10px;color:white}
.cta-card p{font-size:15px;opacity:.92;margin-bottom:20px}
.cta-card .btn{width:100%;justify-content:center;background:white;color:var(--accent)}
.cta-card .btn:hover{background:#F4F8FC}
.cta-card .ph{margin-top:14px;text-align:center;font-size:13px;opacity:.8}
.cta-card .ph a{color:white;font-weight:700}

.related{background:var(--bg-2);padding:80px 0;border-top:1px solid var(--line)}
.related h2{font-size:32px;font-weight:800;margin-bottom:30px;text-align:center;letter-spacing:-.5px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;align-items:center;gap:16px;transition:all .25s}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 18px 40px rgba(11,37,69,.08)}
.related-card .ic{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,rgba(10,124,255,.1),rgba(0,194,168,.1));color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.related-card b{display:block;font-size:16px;color:var(--ink);margin-bottom:2px}
.related-card span{font-size:13px;color:var(--muted)}

footer{background:var(--ink);color:white;padding:50px 0 30px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:30px}
.foot p{color:rgba(255,255,255,.7);font-size:14px;margin-top:12px;max-width:340px}
.foot h4{font-size:14px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;color:rgba(255,255,255,.5)}
.foot a{display:block;font-size:14px;color:rgba(255,255,255,.85);margin-bottom:8px;transition:color .2s}
.foot a:hover{color:var(--accent-2)}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:13px;color:rgba(255,255,255,.5);text-align:center}

@media (max-width:900px){
  .article-grid{grid-template-columns:1fr}
  .article-side{position:static}
  .related-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr;gap:30px}
  .nav-links{display:none}
}

.modal-overlay{position:fixed;inset:0;background:rgba(11,37,69,.6);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;animation:fadeIn .25s ease}
.modal-overlay.active{display:flex}
.modal{background:white;border-radius:24px;padding:36px 32px;max-width:420px;width:100%;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.3);animation:slideUp .3s ease;position:relative}
.modal h3{font-size:24px;font-weight:800;margin-bottom:8px;color:var(--ink)}
.modal p{color:var(--muted);margin-bottom:26px;font-size:15px}
.modal-btns{display:flex;flex-direction:column;gap:12px}
.modal-btn{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;border-radius:14px;font-weight:600;font-size:16px;color:white;transition:transform .2s,box-shadow .2s;text-decoration:none}
.modal-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.modal-btn.wa{background:#25D366}
.modal-btn.vb{background:#7360F2}
.modal-btn.tel{background:var(--ink);color:white}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;background:#F1F5F9;border:none;font-size:18px;cursor:pointer;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:background .2s}
.modal-close:hover{background:#E2E8F0;color:var(--ink)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.float-btns{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:12px;z-index:60}
.float-btn{width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;transition:transform .2s}
.float-btn:hover{transform:scale(1.08)}
.vb-float{background:#7360F2;box-shadow:0 12px 30px rgba(115,96,242,.4)}
.wa-float{background:#25D366;box-shadow:0 12px 30px rgba(37,211,102,.4)}