@import "https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800;900&display=swap";
:root{--bg:#f2fbff;--surface:#fff;--surface-soft:#f0faed;--surface-blue:#e7f6ff;--surface-green:#edf9e8;--text:#073a5c;--muted:#42677c;--line:#cfe8f4;--blue:#1d98dc;--blue-dark:#075b91;--green:#64bd45;--green-dark:#2f8c35;--ink:#052a45;--radius:8px;--shadow:0 18px 55px #073a5c21;--shadow-soft:0 12px 32px #073a5c14}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background:linear-gradient(#f2fbff 0%,#fbfeff 42%,#f2faef 100%);font-family:Be Vietnam Pro,Arial,Helvetica Neue,sans-serif;font-size:15.5px;font-weight:400;line-height:1.6}button,input,select,textarea{font:inherit}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{border:0}main{overflow:hidden}.container{width:min(1180px,100% - 40px);margin-inline:auto}.section{padding:88px 0}.section--white{background:#fbfeff}.section--blue{background:linear-gradient(135deg, var(--surface-blue) 0%, #f8fdff 48%, var(--surface-green) 100%)}.eyebrow{color:#dffcf3;letter-spacing:0;text-transform:uppercase;margin-bottom:14px;font-size:.78rem;font-weight:800}.eyebrow--dark{color:var(--blue-dark)}h1,h2,h3{color:inherit;letter-spacing:0;font-weight:900;line-height:1.12}h1{max-width:820px;font-size:3.9rem}h2{font-size:2.35rem}h3{font-size:1.12rem}p{color:var(--muted);font-size:.98rem;font-weight:500}.btn{cursor:pointer;text-align:center;border-radius:999px;justify-content:center;align-items:center;gap:9px;min-height:46px;font-size:.94rem;font-weight:800;line-height:1.2;transition:transform .18s,background-color .18s,border-color .18s,color .18s,box-shadow .18s;display:inline-flex}.btn svg{flex:none}.btn-primary{background:linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);color:#fff;padding:14px 22px;box-shadow:0 14px 32px #1d98dc3d}.btn-primary:hover{background:linear-gradient(135deg, var(--blue-dark) 0%, var(--green-dark) 100%);transform:translateY(-2px)}.btn-secondary{border:1px solid var(--line);background:var(--surface);color:var(--blue-dark);padding:13px 21px}.btn-secondary:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}.btn-outline-light{color:#fff;border:1px solid #ffffffb8;padding:13px 21px}.btn-outline-light:hover{background:#ffffff24;transform:translateY(-2px)}.btn-small{min-height:40px;padding:10px 16px;font-size:.9rem}.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f8fdfff0;border-bottom:1px solid #1d98dc29;position:fixed;top:0;left:0;right:0}.site-header__inner{justify-content:space-between;align-items:center;gap:24px;height:76px;display:flex}.site-logo{align-items:center;width:178px;display:inline-flex}.site-logo img{width:100%;height:auto}.primary-nav{align-items:center;gap:6px;display:flex}.primary-nav>a,.nav-dropdown>a{min-height:42px;color:var(--muted);border-radius:999px;align-items:center;gap:5px;padding:10px 13px;font-size:.92rem;font-weight:800;transition:background-color .18s,color .18s;display:inline-flex}.primary-nav>a:hover,.nav-dropdown>a:hover,.primary-nav .is-active{color:var(--blue-dark);background:linear-gradient(135deg,#1d98dc1f,#64bd451f)}.language-switcher{background:#ffffffb8;border:1px solid #1d98dc47;border-radius:999px;justify-content:center;align-items:center;min-height:40px;padding:3px;display:inline-flex}.language-switcher a{min-height:32px;color:var(--blue-dark);border-radius:999px;justify-content:center;align-items:center;padding:6px 9px;font-size:.88rem;font-weight:900;display:inline-flex}.language-switcher a:hover,.language-switcher a.is-current{background:linear-gradient(135deg,#1d98dc1f,#64bd451f)}.nav-dropdown{position:relative}.nav-dropdown__panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:310px;box-shadow:var(--shadow-soft);opacity:0;pointer-events:none;gap:4px;padding:12px;transition:opacity .16s,transform .16s;display:grid;position:absolute;top:calc(100% + 12px);left:0;transform:translateY(8px)}.nav-dropdown:hover .nav-dropdown__panel,.nav-dropdown:focus-within .nav-dropdown__panel{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-dropdown__panel a{color:var(--text);border-radius:6px;padding:10px 12px;font-size:.92rem;font-weight:700}.nav-dropdown__panel a:hover{color:var(--blue-dark);background:linear-gradient(135deg,#1d98dc1c,#64bd451c)}.nav-toggle{width:42px;height:42px;color:var(--blue-dark);background:linear-gradient(135deg,#1d98dc1f,#64bd451f);border-radius:999px;justify-content:center;align-items:center;display:none}.hero-banner{color:#fff;align-items:center;min-height:82svh;padding:128px 0 88px;display:flex;position:relative}.hero-banner--compact{min-height:56svh;padding:118px 0 70px}.hero-banner__image{z-index:0;object-fit:cover}.hero-banner__overlay{z-index:1;background:linear-gradient(90deg,#052a45e6 0%,#075b91b8 50%,#2f8c3540 100%),linear-gradient(#052a4514,#052a456b);position:absolute;inset:0}.hero-banner__content{z-index:2;position:relative}.hero-banner__description{color:#ffffffe6;max-width:690px;margin-top:22px;font-size:1.08rem}.hero-banner__actions{flex-wrap:wrap;gap:14px;margin-top:32px;display:flex}.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:760px;margin-top:42px;display:grid}.hero-stat{border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff1c;border:1px solid #fff3;min-height:88px;padding:16px}.hero-stat strong{color:#fff;font-size:1.26rem;display:block}.hero-stat span{color:#ffffffd1;font-size:.88rem;display:block}.section-header{text-align:center;max-width:760px;margin:0 auto 46px}.section-header--left{text-align:left;margin-left:0}.section-header h2{color:var(--text)}.section-header p{margin-top:15px}.feature-grid,.service-grid,.blog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.feature-grid--four{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-grid--tight{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card,.service-card,.blog-card,.contact-card,.contact-form-card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(#fff 0%,#fbfeff 100%);box-shadow:0 1px #073a5c0d}.feature-card,.blog-card,.contact-card{padding:26px}.feature-card{min-height:236px}.feature-card h3,.service-card h3,.blog-card h3{color:var(--text);margin:16px 0 10px}.feature-card p,.service-card p,.blog-card p{font-size:.94rem}.feature-card__number{color:var(--blue);margin-bottom:16px;font-size:.85rem;font-weight:900;display:inline-flex}.icon-badge{width:48px;height:48px;color:var(--blue);background:linear-gradient(135deg,#1d98dc1f,#64bd4524);border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.icon-badge--sm{width:28px;height:28px;color:var(--green-dark);background:#64bd4524;border-radius:999px}.service-card{flex-direction:column;min-height:310px;display:flex;overflow:hidden}.service-card__body{flex-direction:column;flex:1;padding:26px;display:flex}.service-card__link{color:var(--blue);align-items:center;gap:8px;margin-top:auto;font-weight:850;display:inline-flex}.service-card__link svg{transition:transform .16s}.service-card:hover .service-card__link svg{transform:translate(4px)}.visual-split{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:54px;display:grid}.visual-split--reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.visual-split__media{border-radius:var(--radius);min-height:470px;box-shadow:var(--shadow);position:relative;overflow:hidden}.visual-split__media img{object-fit:cover}.visual-split__content>p{margin-top:18px}.check-list{gap:14px;list-style:none;display:grid}.check-list--columns{grid-template-columns:repeat(2,minmax(0,1fr))}.check-list li{color:var(--text);align-items:flex-start;gap:12px;font-size:.95rem;font-weight:700;display:flex}.check-list li span:last-child{padding-top:1px}.audience-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.audience-chip{border-radius:var(--radius);min-height:68px;color:var(--text);background:#ffffffd1;border:1px solid #1d98dc38;align-items:center;gap:12px;padding:16px;font-size:.95rem;font-weight:800;display:flex}.process-list{gap:14px;display:grid}.process-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);grid-template-columns:72px minmax(0,1fr);gap:22px;padding:24px;display:grid}.process-item__num{background:linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);color:#fff;border-radius:999px;justify-content:center;align-items:center;width:58px;height:58px;font-weight:900;display:inline-flex}.process-item h3{margin-bottom:6px}.content-wrap{gap:52px;display:grid}.content-section{max-width:1040px;margin-inline:auto}.content-section h2{color:var(--text);margin-bottom:22px}.content-section>p+p{margin-top:14px}.intro-panel{border-left:4px solid var(--green);gap:16px;max-width:960px;margin-inline:auto;padding:4px 0 4px 24px;display:grid}.quote-band{border-block:1px solid var(--line);background:linear-gradient(135deg, #fbfeff 0%, var(--surface-blue) 100%)}.quote-band__inner{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:48px;display:grid}.quote-band blockquote{color:var(--blue-dark);font-size:1.85rem;font-weight:850;line-height:1.18}.article-list{gap:10px;margin-top:20px;display:grid}.article-list li{color:var(--text);grid-template-columns:32px minmax(0,1fr);gap:10px;font-size:.95rem;font-weight:700;display:grid}.article-list span:first-child{color:var(--green-dark);font-weight:900}.article-list a{color:var(--text);transition:color .16s}.article-list a:hover{color:var(--blue)}.article-hero{background:linear-gradient(135deg,#e7f6ff 0%,#fbfeff 54%,#edf9e8 100%);padding:130px 0 60px}.article-hero__inner{max-width:920px}.article-back{color:var(--blue-dark);align-items:center;gap:8px;margin-bottom:24px;font-size:.92rem;font-weight:800;display:inline-flex}.article-hero h1{max-width:920px;color:var(--text);font-size:3rem}.article-hero__description{max-width:760px;margin-top:18px;font-size:1.02rem}.article-layout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:48px;display:grid}.article-sidebar{position:sticky;top:104px}.article-sidebar__box{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft);padding:20px}.article-sidebar ol{gap:10px;list-style-position:inside;display:grid}.article-sidebar a{color:var(--text);font-size:.92rem;font-weight:700}.article-sidebar a:hover{color:var(--blue)}.article-content{min-width:0}.article-image{aspect-ratio:16/9;border-radius:var(--radius);box-shadow:var(--shadow);position:relative;overflow:hidden}.article-image img{object-fit:cover}.article-intro,.article-section,.article-takeaways,.article-careaz,.article-related{margin-top:36px}.article-intro{border-left:4px solid var(--green);gap:14px;padding-left:22px;display:grid}.article-section h2,.article-takeaways h2,.article-careaz h2,.article-related h2{color:var(--text);margin-bottom:16px;font-size:1.7rem}.article-section p+p{margin-top:13px}.article-takeaways{border-block:1px solid var(--line);padding:30px 0}.article-careaz{border-radius:var(--radius);background:linear-gradient(135deg,#eef9ff 0%,#fff 48%,#eff9ea 100%);border:1px solid #1d98dc38;padding:30px}.article-careaz__actions{flex-wrap:wrap;gap:12px;margin-top:22px;display:flex}.search-mock{border:1px solid var(--line);background:var(--surface);max-width:760px;min-height:58px;color:var(--muted);box-shadow:var(--shadow-soft);border-radius:999px;align-items:center;gap:12px;margin:-22px auto 44px;padding:0 22px;display:flex}.cta-band{background:linear-gradient(135deg,#dff3ff 0%,#f8fdff 46%,#e8f8df 100%)}.cta-band__inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;display:grid}.cta-band h2{max-width:780px;color:var(--text)}.cta-band p:not(.eyebrow){max-width:760px;margin-top:14px}.faq-list{gap:12px;max-width:940px;margin-inline:auto;display:grid}.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:22px}.faq-item h3{align-items:flex-start;gap:12px;margin-bottom:10px;display:flex}.contact-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:28px;display:grid}.contact-stack{gap:14px;display:grid}.contact-card{align-items:flex-start;gap:14px;display:flex}.contact-form-card{padding:26px}.contact-card strong{color:var(--text);display:block}.contact-hours{color:var(--muted);gap:4px;font-size:.98rem;font-weight:500;list-style:none;display:grid}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.form-grid label{color:var(--text);gap:7px;font-size:.92rem;font-weight:800;display:grid}.form-grid .full{grid-column:1/-1}.form-grid input,.form-grid select,.form-grid textarea{border:1px solid var(--line);border-radius:var(--radius);width:100%;color:var(--text);background:#fbfeff;outline:none;padding:12px 13px}.form-grid textarea{resize:vertical;min-height:130px}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #1d98dc1f}.form-grid button:disabled{cursor:wait;opacity:.74;transform:none}.form-honeypot{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.form-status{border-radius:var(--radius);padding:12px 14px;font-weight:700}.form-status--success{color:var(--green-dark);background:#64bd451f;border:1px solid #64bd4552}.form-status--error{color:#a62a2a;background:#d640401a;border:1px solid #d6404047}.form-note{margin-top:14px;font-size:.92rem}.site-footer{background:var(--ink);color:#d8eef8;padding:64px 0 28px}.footer-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr) minmax(0,.8fr) minmax(0,1fr);gap:34px;display:grid}.footer-brand img{width:178px;height:auto}.footer-tagline{color:#fff;margin-top:18px;font-weight:850}.site-footer p,.site-footer li,.site-footer a{color:#b8d6e5;font-size:.92rem}.site-footer h3{color:#fff;margin-bottom:14px;font-size:1rem}.footer-links{gap:9px;list-style:none;display:grid}.footer-links a:hover{color:#fff}.footer-contact li{overflow-wrap:anywhere}.footer-contact .contact-hours{color:#b8d6e5;margin-top:6px;font-size:.92rem}.footer-bottom{color:#8eb9cc;border-top:1px solid #ffffff1a;margin-top:42px;padding-top:22px}.sticky-contact{z-index:40;gap:9px;display:grid;position:fixed;bottom:18px;right:18px}.sticky-contact a{background:var(--blue);color:#fff;width:48px;height:48px;box-shadow:var(--shadow-soft);border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.sticky-contact a:nth-child(2){background:#0068ff}.zalo-icon{width:30px;height:30px;display:block}.sticky-contact a:hover{transform:translateY(-2px)}@media (max-width:980px){.container{width:min(100% - 28px,1180px)}h1{font-size:3.05rem}h2{font-size:2rem}.hero-banner__description{font-size:1.02rem}.quote-band blockquote{font-size:1.55rem}.nav-toggle{display:inline-flex}.primary-nav{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);max-height:calc(100svh - 92px);box-shadow:var(--shadow);align-items:stretch;padding:14px;display:none;position:fixed;top:76px;left:14px;right:14px;overflow:auto}.primary-nav.is-open{display:grid}.primary-nav>a,.nav-dropdown>a{border-radius:6px;justify-content:space-between;width:100%}.language-switcher{border-radius:6px;justify-content:flex-start;width:100%}.nav-dropdown__panel{width:100%;box-shadow:none;opacity:1;pointer-events:auto;border:0;margin:4px 0 8px;padding:0 0 0 12px;display:grid;position:static;transform:none}.feature-grid,.service-grid,.blog-grid,.feature-grid--four,.feature-grid--tight,.audience-grid,.visual-split,.visual-split--reverse,.quote-band__inner,.article-layout,.contact-layout,.footer-grid{grid-template-columns:1fr}.article-sidebar{position:static}.hero-stats,.cta-band__inner,.check-list--columns{grid-template-columns:1fr}}@media (max-width:640px){body{font-size:15px}h1{font-size:2.05rem}h2{font-size:1.55rem}h3{font-size:1.04rem}p{font-size:.95rem}.section{padding:64px 0}.site-header__inner{height:70px}.primary-nav{top:70px}.site-logo{width:150px}.hero-banner,.hero-banner--compact{min-height:74svh;padding:104px 0 54px}.hero-banner__description{font-size:.98rem}.article-hero{padding:104px 0 44px}.article-hero h1{font-size:2rem}.article-layout{gap:28px}.article-section h2,.article-takeaways h2,.article-careaz h2,.article-related h2{font-size:1.32rem}.article-careaz{padding:22px}.article-careaz__actions,.article-careaz__actions .btn{width:100%}.quote-band blockquote{font-size:1.32rem}.hero-banner__overlay{background:linear-gradient(90deg,#052a45e8 0%,#075b91c2 100%),linear-gradient(#052a4514,#052a456b)}.hero-banner__actions,.btn{width:100%}.visual-split__media{min-height:300px}.process-item,.form-grid{grid-template-columns:1fr}.sticky-contact{bottom:12px;right:12px}.sticky-contact a{width:44px;height:44px}}