:root{--ink:#14232b;--muted:#65737a;--teal:#20b8a5;--teal-dark:#0f766e;--teal-pale:#e9faf6;--navy:#17232e;--line:#dce8e7;--white:#fff;--radius:24px;--shadow:0 24px 70px rgba(15,55,61,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:#fff;line-height:1.7;overflow-x:hidden}img,video{max-width:100%;display:block}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}.progress{position:fixed;left:0;top:0;height:3px;background:linear-gradient(90deg,var(--teal),#9be8d6);z-index:100;width:0}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(20,35,43,.07)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px}.brand span:last-child{display:flex;flex-direction:column;line-height:1}.brand b{font-size:22px}.brand small{font-size:9px;letter-spacing:4px;margin-top:5px;color:var(--teal-dark)}.brand-mark{width:34px;height:34px;position:relative;display:block;transform:rotate(-12deg)}.brand-mark i{position:absolute;border:3px solid currentColor;border-right:0;width:24px;height:14px;left:4px}.brand-mark i:nth-child(1){top:1px}.brand-mark i:nth-child(2){top:9px;left:8px}.brand-mark i:nth-child(3){top:17px;left:12px}.desktop-nav{display:flex;gap:30px;font-size:14px;font-weight:600}.desktop-nav a:hover{color:var(--teal-dark)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;padding:16px 24px;font-weight:700;cursor:pointer;transition:.25s;font-family:inherit}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(14,118,110,.22)}.btn-sm{background:var(--ink);color:#fff;padding:12px 20px;font-size:13px}.btn-primary{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff}.btn-ghost{border:1px solid var(--line);background:#fff}.btn-light{background:#fff;color:var(--teal-dark)}.full{width:100%}.hero{position:relative;overflow:hidden;padding:86px 0 72px;background:linear-gradient(180deg,#f8fffd 0%,#fff 90%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:center}.hero-glow{position:absolute;border-radius:50%;filter:blur(1px);opacity:.5}.glow-one{width:480px;height:480px;background:radial-gradient(circle,#d2fff4,transparent 65%);top:-160px;right:-80px}.glow-two{width:300px;height:300px;background:radial-gradient(circle,#def6ff,transparent 70%);left:-140px;bottom:-80px}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--teal-dark);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px}.eyebrow span{width:25px;height:2px;background:var(--teal)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.5vw,74px);line-height:1.08;letter-spacing:-3px;margin:18px 0 22px}h1 em,h2 em{font-family:"Playfair Display",serif;color:var(--teal-dark);font-style:italic}h1 em{color:var(--teal-dark)}h1 strong{display:block}.hero-lead{font-size:18px;color:var(--muted);max-width:650px}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}.hero-points span{font-size:13px;font-weight:700;background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:999px}.hero-actions{display:flex;gap:12px;margin:30px 0}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:24px;gap:20px}.trust-row div{display:flex;flex-direction:column}.trust-row b{font-size:25px;color:var(--teal-dark)}.trust-row span{font-size:11px;color:var(--muted)}.hero-visual{position:relative}.image-card{border-radius:34px;overflow:hidden;box-shadow:var(--shadow);position:relative;transform:rotate(1.5deg);background:#dff7f1}.image-card img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center}.image-card:before{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.6);border-radius:25px;z-index:1}.image-badge{position:absolute;left:28px;right:28px;bottom:25px;background:rgba(20,35,43,.84);backdrop-filter:blur(12px);color:#fff;border-radius:18px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center}.image-badge span{font-size:11px;color:#bfeee5}.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:17px;padding:14px 17px;box-shadow:0 18px 45px rgba(21,65,67,.14);display:flex;flex-direction:column;z-index:3}.float-card b{font-size:15px}.float-card span{font-size:11px;color:var(--muted)}.float-result{left:-58px;top:18%}.float-budget{right:-28px;bottom:20%}.proof-strip{background:var(--ink);color:#fff;padding:19px 0;text-align:center}.proof-strip p{margin:0;font-size:14px}.section{padding:100px 0}.section-heading{max-width:780px;margin-bottom:45px}.section-heading.center{text-align:center;margin-left:auto;margin-right:auto}.section-heading h2,.benefit-copy h2,.video-copy h2,.mentor-copy h2,.offer-copy h2{font-size:clamp(34px,4.6vw,58px);line-height:1.16;letter-spacing:-2px;margin:12px 0 16px}.section-heading p{color:var(--muted)}.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.pain-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;background:#fff}.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#b8e8df}.pain-card>span{display:inline-flex;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;background:var(--teal-pale);color:var(--teal-dark);font-weight:800}.pain-card h3{font-size:19px;margin:22px 0 10px}.pain-card p{color:var(--muted);font-size:14px;margin-bottom:0}.dark-section{background:var(--navy);color:#fff}.video-grid,.mentor-grid,.offer-grid,.benefits-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.kicker.light{color:#64dfcb}.video-copy p,.mentor-copy p{color:#aebbc0}.check-list,.gift-list{list-style:none;padding:0;margin:26px 0}.check-list li,.gift-list li{padding:10px 0 10px 31px;position:relative}.check-list li:before,.gift-list li:before{content:"✓";position:absolute;left:0;color:#64dfcb;font-weight:800}.video-shell{background:#0d151c;border:1px solid rgba(255,255,255,.12);padding:12px;border-radius:26px;box-shadow:0 28px 80px rgba(0,0,0,.32)}.video-shell video{border-radius:17px;width:100%;aspect-ratio:16/9;background:#000}.video-caption{display:flex;justify-content:space-between;padding:16px 8px 5px}.video-caption span{font-size:11px;color:#8fa0a8}.curriculum{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson{border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;gap:20px;background:linear-gradient(135deg,#fff,#fafffe)}.lesson-no{font-size:27px;font-weight:800;color:var(--teal-dark);border-right:1px solid var(--line);padding-right:18px}.lesson h3{font-size:18px;margin:2px 0 7px}.lesson p{font-size:13px;color:var(--muted);margin:0}.mint-section{background:var(--teal-pale)}.benefit-copy{position:sticky;top:130px}.text-link{font-weight:800;color:var(--teal-dark)}.benefit-list{display:grid;gap:14px}.benefit{display:flex;gap:20px;background:#fff;border-radius:20px;padding:23px;box-shadow:0 12px 35px rgba(17,92,85,.08)}.benefit>b{font-size:12px;color:var(--teal-dark);width:44px;height:44px;border-radius:50%;background:var(--teal-pale);display:flex;align-items:center;justify-content:center;flex:0 0 auto}.benefit h3{font-size:17px;margin-bottom:6px}.benefit p{font-size:13px;color:var(--muted);margin:0}.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:center}.feedback-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:25px;overflow:hidden;box-shadow:0 14px 45px rgba(17,59,61,.08)}.feedback-card.featured{transform:translateY(-15px)}.feedback-card img{aspect-ratio:16/10;object-fit:cover}.feedback-card figcaption{padding:19px;display:flex;flex-direction:column}.feedback-card figcaption span{font-size:12px;color:var(--muted);margin-top:5px}.disclaimer{font-size:11px;color:#879296;text-align:center;margin:25px 0 0}.mentor-image{position:relative}.mentor-image img{border-radius:30px;aspect-ratio:4/3;object-fit:cover}.mentor-label{position:absolute;left:25px;bottom:25px;background:#fff;color:var(--ink);padding:12px 17px;border-radius:999px;font-size:12px;font-weight:800}.mentor-copy h2{color:#fff}.mentor-intro{font-size:17px}.stats-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.stats-stack div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:16px;display:flex;flex-direction:column}.stats-stack b{color:#64dfcb;font-size:18px}.stats-stack span{font-size:10px;color:#b6c2c7}.mentor-note{font-size:12px}.offer-section{background:linear-gradient(180deg,#fff,#f3fffc)}.price-box{border-left:4px solid var(--teal);padding-left:22px;margin:25px 0}.price-box span,.price-box del{display:block;color:var(--muted)}.price-box strong{display:block;font-size:50px;color:var(--teal-dark);line-height:1.1;margin:8px 0}.price-box small{font-size:18px}.price-box p{font-size:12px;margin:0}.gift-list li{border-bottom:1px solid var(--line);font-size:14px}.gift-list li:before{color:var(--teal-dark)}.lead-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.lead-top h3{font-size:27px;line-height:1.25;margin:8px 0}.lead-top p{color:var(--muted);font-size:14px}.lead-card form{display:grid;gap:14px;margin-top:20px}.lead-card label{font-size:12px;font-weight:700}.lead-card input,.lead-card select,.lead-card textarea{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:13px;padding:13px 14px;font:inherit;font-size:14px;outline:none;background:#fcfefe}.lead-card input:focus,.lead-card select:focus,.lead-card textarea:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(32,184,165,.1)}.lead-card form>small{font-size:10px;color:#879296;text-align:center}.faq{background:#fbfdfd}.faq-list{max-width:900px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:20px 4px}.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"+";font-size:24px;color:var(--teal-dark)}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--muted);font-size:14px;margin:12px 0 0;max-width:760px}.final-cta{padding:55px 0;background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff}.final-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.final-inner span{font-size:13px;text-transform:uppercase;letter-spacing:1.5px}.final-inner h2{font-size:36px;max-width:720px;margin:5px 0 0;line-height:1.25}footer{background:#0e171d;color:#c3cdd1;padding:60px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer-brand{color:#fff}.footer-grid p{max-width:430px;font-size:13px;color:#8fa0a8}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:10px;font-size:13px}.footer-grid b{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:40px;font-size:11px;color:#748188}.contact-dock{position:fixed;right:18px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:10px}.contact-dock a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 28px rgba(13,40,48,.25);position:relative;transition:.22s}.contact-dock a:hover{transform:scale(1.08)}.contact-dock svg{width:25px;fill:currentColor}.contact-dock a>span{position:absolute;right:63px;background:#17232e;padding:6px 9px;border-radius:7px;font-size:10px;opacity:0;transform:translateX(8px);transition:.2s;pointer-events:none;white-space:nowrap}.contact-dock a:hover>span{opacity:1;transform:none}.dock-call{background:#23b968}.dock-zalo{background:#0878ff;border:4px solid #fff}.dock-zalo b{font-size:12px}.dock-mess{background:linear-gradient(135deg,#7a55ff,#ff3e86)}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,120px);z-index:100;background:#17232e;color:#fff;padding:13px 18px;border-radius:12px;font-size:13px;opacity:0;transition:.3s}.toast.show{opacity:1;transform:translate(-50%,0)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s ease,transform .75s ease}.reveal.in{opacity:1;transform:none}@media(max-width:900px){.desktop-nav{display:none}.hero{padding-top:60px}.hero-grid,.video-grid,.mentor-grid,.offer-grid,.benefits-grid{grid-template-columns:1fr}.hero-grid{gap:45px}.hero-copy{text-align:center}.hero-lead{margin-left:auto;margin-right:auto}.hero-points,.hero-actions{justify-content:center}.hero-visual{max-width:600px;margin:auto}.pain-grid{grid-template-columns:1fr 1fr}.curriculum{grid-template-columns:1fr}.benefit-copy{position:static}.feedback-grid{grid-template-columns:1fr;max-width:680px;margin:auto}.feedback-card.featured{transform:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.float-result{left:-10px}.float-budget{right:-10px}}@media(max-width:600px){.container{width:min(100% - 26px,1180px)}.nav-wrap{height:68px}.brand b{font-size:18px}.brand-mark{transform:scale(.85) rotate(-12deg)}.btn-sm{padding:10px 13px}.hero{padding:42px 0 54px}h1{font-size:43px;letter-spacing:-2px}.hero-lead{font-size:15px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.trust-row{gap:8px}.trust-row b{font-size:20px}.image-card img{aspect-ratio:5/6}.image-badge{left:16px;right:16px;bottom:16px;flex-direction:column;align-items:flex-start}.float-card{display:none}.section{padding:70px 0}.section-heading h2,.benefit-copy h2,.video-copy h2,.mentor-copy h2,.offer-copy h2{font-size:35px;letter-spacing:-1.2px}.pain-grid{grid-template-columns:1fr}.pain-card{padding:22px}.video-grid,.mentor-grid,.offer-grid,.benefits-grid{gap:38px}.video-caption{flex-direction:column}.curriculum{gap:12px}.lesson{padding:19px}.lesson-no{font-size:22px;padding-right:14px}.feedback-card figcaption{padding:15px}.stats-stack{grid-template-columns:1fr}.price-box strong{font-size:39px}.lead-card{padding:23px}.final-inner{flex-direction:column;align-items:flex-start}.final-inner h2{font-size:29px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.contact-dock{right:11px;bottom:14px}.contact-dock a{width:48px;height:48px}.contact-dock a>span{display:none}}

/* ===== Typography refinement v2 ===== */
:root{
  --font-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-heading:"Roboto","Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-accent:"Playfair Display",Georgia,serif;
}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.68;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,.brand b,.btn,.price-box strong{
  font-family:var(--font-heading);
}

h1,h2,h3{
  color:var(--ink);
  font-weight:700;
  text-wrap:balance;
  overflow-wrap:normal;
  word-break:normal;
}

h1 em,h2 em{
  font-family:var(--font-accent);
  font-weight:600;
  color:var(--teal-dark);
  letter-spacing:-.025em;
}

h1{
  max-width:790px;
  font-size:clamp(42px,4.8vw,64px);
  line-height:1.1;
  letter-spacing:-1.9px;
  margin:18px 0 22px;
}

.section-heading h2,
.benefit-copy h2,
.video-copy h2,
.mentor-copy h2,
.offer-copy h2{
  font-size:clamp(33px,3.55vw,50px);
  line-height:1.14;
  letter-spacing:-1.25px;
  margin:12px 0 17px;
}

.section-heading p,
.benefit-copy>p,
.video-copy>p,
.mentor-copy>p,
.offer-copy>p{
  font-size:15.5px;
  line-height:1.72;
  text-wrap:pretty;
}

.hero-lead{
  font-size:17px;
  line-height:1.75;
}

.kicker,.eyebrow{
  font-family:var(--font-heading);
  font-size:12px;
  font-weight:800;
  letter-spacing:1.45px;
}

.pain-card h3,.lesson h3,.benefit h3{
  font-weight:700;
  letter-spacing:-.35px;
  line-height:1.42;
}

.lead-top span{
  font-size:14px;
  font-weight:500;
}

.lead-top h3{
  font-size:clamp(23px,2vw,28px);
  line-height:1.3;
  letter-spacing:-.7px;
  font-weight:700;
  margin:8px 0 9px;
}

.lead-top p{
  font-size:14px;
  line-height:1.65;
}

.offer-grid{
  grid-template-columns:1.08fr .92fr;
  gap:58px;
}

.offer-copy h2{
  max-width:630px;
  font-size:clamp(36px,3.65vw,50px);
}

.offer-copy h2 em{
  display:inline;
  font-size:1.04em;
  line-height:1;
}

.price-box strong{
  font-size:46px;
  font-weight:700;
  letter-spacing:-1.5px;
}

.lead-card label,
.lead-card input,
.lead-card select,
.lead-card textarea{
  font-family:var(--font-body);
}

@media(max-width:900px){
  .offer-grid{grid-template-columns:1fr;gap:42px}
  .offer-copy h2{max-width:720px}
}

@media(max-width:600px){
  body{font-size:15px;line-height:1.65}
  h1{font-size:39px;line-height:1.12;letter-spacing:-1.7px}
  .section-heading h2,
  .benefit-copy h2,
  .video-copy h2,
  .mentor-copy h2,
  .offer-copy h2{
    font-size:32px;
    line-height:1.17;
    letter-spacing:-1.1px;
  }
  .offer-copy h2{font-size:34px}
  .lead-top h3{font-size:24px;line-height:1.34;letter-spacing:-.45px}
  .hero-lead{font-size:15px}
  .price-box strong{font-size:37px;letter-spacing:-1px}
}


/* ===== Layout refinement v3 ===== */
.section{padding:88px 0}
.dark-section{background:linear-gradient(90deg,#0f2230 0%,#11283a 55%,#0f2230 100%);padding:82px 0}
.dark-section h2,
.dark-section h3,
.dark-section .video-caption b{color:#fff}
.video-copy{max-width:560px}
.video-copy h2{max-width:540px;margin-bottom:18px}
.video-copy h2 em{color:#64dfcb}
.video-copy-badges{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 20px}
.video-copy-badges span{display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;background:rgba(100,223,203,.12);border:1px solid rgba(100,223,203,.25);color:#d9f7f1;font-size:12px;font-weight:700;line-height:1.2}
.video-copy p{font-size:16px;line-height:1.74;margin-bottom:18px;color:#d8e2e6}
.video-shell{align-self:center}
.faq.section{padding-top:76px;padding-bottom:70px}
.faq .section-heading{max-width:820px;margin-bottom:24px}
.faq .section-heading p{max-width:690px;margin:0 auto;color:var(--muted)}
.faq-list{max-width:960px;margin:auto}
.faq details{padding:18px 4px}
@media(max-width:900px){
  .section{padding:78px 0}
  .dark-section{padding:72px 0}
  .video-copy{max-width:none}
}
@media(max-width:600px){
  .section{padding:64px 0}
  .dark-section{padding:58px 0}
  .video-copy-badges span{font-size:11px;padding:8px 12px}
  .faq.section{padding-top:62px;padding-bottom:56px}
}


/* ===== Spacing & dark-section refinement v4 ===== */
#loi-ich.section{
  padding-top:74px;
  padding-bottom:58px;
}

#video.dark-section{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding:62px 0;
  background:
    radial-gradient(circle at 12% 20%,rgba(32,184,165,.13),transparent 28%),
    radial-gradient(circle at 88% 78%,rgba(100,223,203,.08),transparent 25%),
    linear-gradient(110deg,#101f2b 0%,#142736 52%,#102330 100%);
}

#video.dark-section::before,
#video.dark-section::after{
  content:"";
  position:absolute;
  z-index:-1;
  border-radius:50%;
  pointer-events:none;
}

#video.dark-section::before{
  width:360px;
  height:360px;
  left:-190px;
  top:-190px;
  border:1px solid rgba(100,223,203,.12);
  box-shadow:0 0 0 70px rgba(100,223,203,.025),0 0 0 140px rgba(100,223,203,.018);
}

#video.dark-section::after{
  width:260px;
  height:260px;
  right:-140px;
  bottom:-150px;
  background:radial-gradient(circle,rgba(32,184,165,.16),transparent 68%);
}

#video .video-grid{
  grid-template-columns:minmax(0,.96fr) minmax(480px,1.04fr);
  gap:58px;
  min-height:430px;
}

#video .video-copy{
  max-width:590px;
}

#video .video-copy .kicker{
  margin-bottom:10px;
}

#video .video-copy h2{
  color:#fff !important;
  max-width:590px;
  margin:0 0 18px;
  font-size:clamp(38px,3.6vw,52px);
  line-height:1.08;
  letter-spacing:-1.25px;
  text-shadow:0 2px 22px rgba(0,0,0,.22);
}

#video .video-copy h2 em{
  display:inline-block;
  margin-top:4px;
  color:#64dfcb !important;
  font-size:1.02em;
  line-height:1.02;
}

#video .video-copy-badges{
  margin:0 0 18px;
}

#video .video-copy p{
  max-width:560px;
  margin-bottom:14px;
}

#video .check-list{
  margin:14px 0 0;
}

#video .check-list li{
  padding-top:7px;
  padding-bottom:7px;
}

#video .video-shell{
  width:100%;
  max-width:590px;
  justify-self:end;
  padding:11px;
  border-color:rgba(255,255,255,.16);
  box-shadow:0 25px 65px rgba(0,0,0,.34);
}

#noi-dung.section{
  padding-top:72px;
  padding-bottom:76px;
}

#noi-dung .section-heading{
  margin-bottom:32px;
}

.faq.section{
  padding-top:52px;
  padding-bottom:54px;
}

.faq .section-heading{
  margin-bottom:20px;
}

.faq .section-heading h2{
  margin-top:8px;
  margin-bottom:10px;
}

.faq-list{
  border-top:1px solid var(--line);
}

@media(max-width:900px){
  #loi-ich.section{padding-top:66px;padding-bottom:50px}
  #video.dark-section{padding:56px 0}
  #video .video-grid{grid-template-columns:1fr;gap:34px;min-height:0}
  #video .video-copy{max-width:none}
  #video .video-shell{justify-self:stretch;max-width:none}
  #noi-dung.section{padding-top:62px;padding-bottom:64px}
  .faq.section{padding-top:46px;padding-bottom:48px}
}

@media(max-width:600px){
  #loi-ich.section{padding-top:54px;padding-bottom:42px}
  #video.dark-section{padding:48px 0}
  #video .video-copy h2{
    font-size:34px;
    line-height:1.12;
    letter-spacing:-.8px;
  }
  #video .video-copy-badges{gap:8px}
  #video .video-copy p{font-size:15px;line-height:1.68}
  #video .check-list li{padding-top:6px;padding-bottom:6px}
  #noi-dung.section{padding-top:54px;padding-bottom:56px}
  .faq.section{padding-top:40px;padding-bottom:44px}
}