:root{--pink:#ea4b71;--pink-600:#d83b61;--pink-50:#fff1f4;--ink:#15171c;--muted:#5b6270;--line:rgba(21,23,28,.08);--white:#fff;--glass-bg:hsla(0,0%,100%,.6);--glass-border:hsla(0,0%,100%,.7);--glass-shadow:0 8px 30px rgba(21,23,28,.08);--radius:20px;--radius-sm:14px;--container:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Liberation Sans,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;background-image:radial-gradient(60rem 60rem at 110% -10%,rgba(234,75,113,.08),transparent 60%),radial-gradient(50rem 50rem at -10% 10%,rgba(234,75,113,.05),transparent 55%);background-attachment:fixed}a{color:var(--pink);text-decoration:none}a:hover{color:var(--pink-600)}h1,h2,h3{line-height:1.18;letter-spacing:-.02em;margin:0 0 .5em}h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}h2{font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:750}h3{font-size:1.2rem;font-weight:700}p{margin:0 0 1rem;color:var(--muted)}img{max-width:100%;height:auto}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.section{padding:72px 0}.center{text-align:center}.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--pink);background:var(--pink-50);padding:6px 12px;border-radius:999px;text-transform:uppercase;margin-bottom:14px}.lead{font-size:1.12rem;color:var(--muted);max-width:640px}.center .lead{margin-left:auto;margin-right:auto}.glass{background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;font-weight:650;font-size:.98rem;padding:12px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:all .18s ease}.btn-primary{background:var(--pink);color:#fff;box-shadow:0 6px 18px rgba(234,75,113,.35)}.btn-primary:hover{background:var(--pink-600);color:#fff;transform:translateY(-1px)}.btn-ghost{background:hsla(0,0%,100%,.6);color:var(--ink);border-color:var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.btn-ghost:hover{border-color:var(--pink);color:var(--pink)}.btn-lg{padding:15px 30px;font-size:1.05rem}.nav-wrap{position:-webkit-sticky;position:sticky;top:14px;z-index:50;padding:0 16px}.nav{max-width:var(--container);margin:0 auto;justify-content:space-between;padding:12px 18px;border-radius:999px}.nav,.nav-logo{display:flex;align-items:center}.nav-logo{gap:10px;font-weight:800;color:var(--ink)}.nav-logo img{height:26px;width:auto}.nav-links{display:flex;align-items:center;gap:26px}.nav-links a{color:var(--ink);font-weight:550;font-size:.96rem}.nav-links a:hover{color:var(--pink)}.nav-cta{display:flex;align-items:center;gap:10px}.nav-toggle{display:none}.hero{padding:64px 0 40px}.hero h1 .accent{color:var(--pink)}.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.center .hero-cta{justify-content:center}.hero-note{font-size:.9rem;color:var(--muted);margin-top:14px}.grid{display:grid;grid-gap:20px;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{padding:26px}.card h3{margin-bottom:8px}.card .icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--pink-50);color:var(--pink);font-size:1.3rem;margin-bottom:14px}.price-grid{grid-template-columns:repeat(4,1fr);align-items:stretch;gap:16px}@media (max-width:960px){.price-grid{grid-template-columns:repeat(2,1fr)}}.cycle-toggle{display:inline-flex;gap:8px;margin-top:18px;background:var(--pink-50);padding:6px;border-radius:14px}.cycle-toggle .btn{padding:9px 18px}.price-save{color:#128a55;font-size:.88rem;font-weight:600;margin:2px 0 6px}.price-card{padding:28px;display:flex;flex-direction:column;position:relative}.price-card.highlight{border:1.5px solid var(--pink);box-shadow:0 14px 40px rgba(234,75,113,.18)}.price-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--pink);color:#fff;font-size:.74rem;font-weight:700;padding:5px 14px;border-radius:999px;letter-spacing:.03em}.price-amount{font-size:2.3rem;font-weight:800;color:var(--ink);margin:8px 0 2px}.price-amount span{font-size:1rem;font-weight:500;color:var(--muted)}.price-tagline{font-size:.95rem;color:var(--muted);min-height:2.6em}.feature-list{list-style:none;padding:0;margin:18px 0 22px;display:grid;grid-gap:10px;gap:10px}.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:.96rem;color:var(--ink)}.feature-list li:before{content:"✓";color:var(--pink);font-weight:800}.price-card .btn{margin-top:auto}.faq{display:grid;grid-gap:14px;gap:14px;max-width:820px;margin:0 auto}.faq details{padding:18px 22px}.faq summary{font-weight:650;cursor:pointer;list-style:none;color:var(--ink)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--pink);font-weight:800}.faq details[open] summary:after{content:"–"}.faq details p{margin:12px 0 0}.cta-band{padding:44px;text-align:center}.cta-band h2{color:var(--ink)}.prose{max-width:760px;margin:0 auto}.prose h2{margin-top:1.6em}.prose h3{margin-top:1.3em}.prose li,.prose p{color:var(--ink)}.prose ol,.prose ul{padding-left:1.2em}.prose a{text-decoration:underline}.post-grid{grid-template-columns:repeat(3,1fr)}.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column}.post-card .thumb{aspect-ratio:16/9;background:var(--pink-50);object-fit:cover;width:100%}.post-card .body{padding:20px}.post-card h3{font-size:1.08rem}.post-meta{font-size:.84rem;color:var(--muted)}.empty{text-align:center;padding:60px 20px}.contact-grid{grid-template-columns:1fr 1fr;gap:20px}.contact-item{padding:22px;display:flex;gap:14px;align-items:center}.contact-item .icon{font-size:1.5rem}.contact-item a{font-weight:650}.footer{margin-top:40px;padding:44px 0 30px;border-top:1px solid var(--line)}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-col h4{font-size:.95rem;margin:0 0 12px;color:var(--ink)}.footer-col a{display:block;color:var(--muted);font-size:.92rem;margin-bottom:8px}.footer-col a:hover{color:var(--pink)}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.crumb,.footer-bottom{font-size:.86rem;color:var(--muted)}.crumb{margin-bottom:18px}.crumb a{color:var(--muted)}.crumb a:hover{color:var(--pink)}@media (max-width:900px){.contact-grid,.grid-2,.grid-3,.post-grid,.price-grid{grid-template-columns:1fr}.nav-links{display:none}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:70px;left:16px;right:16px;padding:18px;gap:14px;border-radius:var(--radius);background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.nav-toggle{display:inline-flex}.section{padding:52px 0}}.wf-meta-row{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}.wf-price{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.02em;padding:4px 12px;border-radius:999px}.wf-price.free{background:#e6f8ef;color:#128a55}.wf-price.paid{background:var(--pink);color:#fff}.wf-chip{display:inline-block;font-size:.76rem;font-weight:600;color:var(--pink);background:var(--pink-50);padding:4px 10px;border-radius:999px}.wf-chip.subtle{color:var(--muted);background:rgba(0,0,0,.04);font-weight:500}.wf-tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 14px}.wf-video{position:relative;width:100%;aspect-ratio:16/9;margin:1.2em 0}.wf-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:var(--radius)}.wf-detail{grid-template-columns:1.05fr 1fr;gap:26px}.wf-media{position:-webkit-sticky;position:sticky;top:90px}.wf-media .wf-video{margin:0}.wf-media-img{width:100%;border-radius:var(--radius);display:block;box-shadow:0 18px 50px rgba(0,0,0,.12)}.wf-hero-empty{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--pink-50),#fff);color:var(--pink);font-weight:700;letter-spacing:.04em}.wf-detail-box{padding:28px}.wf-detail-box h1{font-size:1.9rem}.wf-intro{margin:6px 0 4px}.wf-install{margin:18px 0 6px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.wf-install .hero-note{margin:10px 0 0}@media (max-width:820px){.wf-detail{grid-template-columns:1fr}.wf-media{position:static}}.wf-aside{position:-webkit-sticky;position:sticky;top:90px}.wf-aside h4{margin:18px 0 6px;font-size:.95rem}.pin-badge{display:inline-block;font-size:.7rem;font-weight:700;color:var(--pink);background:var(--pink-50);padding:2px 8px;border-radius:999px;margin-right:8px;vertical-align:middle}.zalo-float{position:fixed;right:22px;bottom:22px;z-index:50;width:58px;height:58px;display:block;line-height:0;filter:drop-shadow(0 6px 14px rgba(0,0,0,.25));animation:zalo-bounce 2.6s ease-in-out infinite}.zalo-float:hover{animation-play-state:paused;transform:scale(1.1)}.zalo-float img{width:100%;height:100%}@keyframes zalo-bounce{0%,68%,to{transform:translateY(0) scale(1)}78%{transform:translateY(-7px) scale(1.05)}88%{transform:translateY(0) scale(1)}}.contact-form{display:grid;grid-gap:14px;gap:14px}.contact-form label{display:grid;grid-gap:6px;gap:6px;font-weight:600;font-size:.92rem;color:var(--ink)}.contact-form input,.contact-form textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--pink)}.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.contact-form .btn{margin-top:4px}