@font-face{font-family:'Lora';src:url('/assets/mangrove-v2/lora.ttf') format('truetype');font-display:swap;font-weight:400 700}
@font-face{font-family:'Lora';src:url('/assets/mangrove-v2/lora-italic.ttf') format('truetype');font-display:swap;font-weight:400 700;font-style:italic}
@font-face{font-family:'Quicksand';src:url('/assets/mangrove-v2/quicksand-400.ttf') format('truetype');font-display:swap;font-weight:400}
@font-face{font-family:'Quicksand';src:url('/assets/mangrove-v2/quicksand-500.ttf') format('truetype');font-display:swap;font-weight:500}
@font-face{font-family:'Quicksand';src:url('/assets/mangrove-v2/quicksand-600.ttf') format('truetype');font-display:swap;font-weight:600}
@font-face{font-family:'Quicksand';src:url('/assets/mangrove-v2/quicksand-700.ttf') format('truetype');font-display:swap;font-weight:700}
@font-face{font-family:'Roboto Condensed';src:url('/assets/mangrove-v2/roboto-condensed-400.ttf') format('truetype');font-display:swap;font-weight:400}
@font-face{font-family:'Roboto Condensed';src:url('/assets/mangrove-v2/roboto-condensed-700.ttf') format('truetype');font-display:swap;font-weight:700}
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@media(max-width:1100px){.container{width:calc(100% - 64px)}.site-nav{gap:22px}.header-contact{display:none}.hero{gap:20px}.hero-copy{padding-right:10px}.hero h1{font-size:54px}.hero-actions{gap:18px}.hero-actions .button{padding:13px 17px}.story-copy{padding:36px 30px}.footer-grid{gap:35px}.reading-layout{gap:35px;grid-template-columns:minmax(0,1fr) 225px}.archive-tools{align-items:flex-start}.filters{gap:5px}.filter{padding:9px 12px}.cards{gap:22px}.article-card h3{font-size:23px}}
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0;font-size:12px;letter-spacing:.5px}.intro-line>span:last-child{display:none}.hero{grid-template-columns:1fr;gap:26px;min-height:0}.hero-copy{padding:20px 0 0}.hero h1{font-size:46px;line-height:1.19;letter-spacing:-1.9px}.hero .eyebrow{font-size:12px;letter-spacing:1.6px;margin-bottom:17px}.hero-copy>p{font-size:16px;margin-top:21px;line-height:1.6;max-width:440px}.hero-actions{margin-top:25px;gap:22px;width:100%}.hero-actions .button{font-size:14px;gap:16px;min-height:48px;padding:12px 18px}.hero-actions .text-link{font-size:14px;gap:7px}.hero-image{min-height:305px}.hero-image>img{object-position:60% center}.image-label{top:17px;left:17px;font-size:12px}.hero-caption{left:22px;right:22px;bottom:22px}.hero-caption p{font-size:26px;max-width:240px}.hero-caption span{font-size:12px}.values-strip{gap:0;padding:24px 0}.value{display:block;padding-right:9px}.value+.value{padding-left:14px}.value>svg{width:21px;height:21px;margin-bottom:7px}.value strong{font-size:13px;line-height:1.6}.value span{font-size:12px;line-height:1.6;margin-top:4px}.section{padding:49px 0}.section-heading{align-items:flex-start;gap:15px;margin-bottom:27px}.section-heading h2{font-size:32px;letter-spacing:-.7px}.section-heading .eyebrow{font-size:12px;letter-spacing:1.4px}.section-heading>.text-link{font-size:0;gap:0;border:1px solid var(--line);width:42px;height:42px;flex-shrink:0;justify-content:center;margin-top:30px}.section-heading>.text-link svg{width:19px;height:19px}.cards{grid-template-columns:1fr;gap:35px}.card-image{aspect-ratio:1.7}.article-card h3{font-size:26px;margin-top:8px}.article-card>p{font-size:16px;margin-top:10px}.card-category{margin-top:17px}.card-meta{font-size:13px;margin-top:17px}.story-panel{grid-template-columns:1fr}.story-photo{min-height:260px}.story-photo p{left:24px;bottom:24px;font-size:28px}.story-copy{padding:30px 25px}.story-copy h2{font-size:32px}.story-copy .eyebrow{font-size:12px;letter-spacing:1.4px;margin-bottom:17px}.story-copy>p{font-size:16px}.section-topics{padding:45px 0}.topics{grid-template-columns:1fr;gap:0}.topic{padding:20px 0}.topic-title{font-size:23px}.connect-banner{padding:31px 25px;display:block;margin-bottom:44px}.connect-banner h2{font-size:32px}.connect-banner p{font-size:16px;line-height:1.6}.connect-banner .button{margin-top:25px}.connect-banner .eyebrow{font-size:12px;letter-spacing:1.3px}.site-footer{padding-top:33px}.footer-grid{grid-template-columns:1fr;gap:27px;padding-bottom:30px}.footer-about>p{font-size:16px;max-width:100%}.footer-title{margin-bottom:12px}.footer-links{grid-template-columns:1fr 1fr;gap:4px 18px;font-size:16px}.footer-links a{min-height:40px;padding:8px 0}.footer-contact p,.footer-contact a{font-size:16px}.footer-contact>a{min-height:44px;padding-bottom:7px}.footer-bottom{display:block;font-size:12px;line-height:1.6;padding:20px 0 25px}.footer-bottom span{display:block}.back-top{right:14px;bottom:16px}.breadcrumb{font-size:12px;padding:23px 0}.page-intro{padding:21px 0 30px}.page-intro h1{font-size:40px;letter-spacing:-1.1px}.page-intro .eyebrow{font-size:12px;letter-spacing:1.5px;margin-bottom:14px}.page-intro>p{font-size:16px;margin-top:18px}.archive-tools{padding:16px;margin-bottom:25px;gap:16px}.search-box{max-width:none;min-width:0;width:100%;flex:auto}.search-box input{font-size:16px}.filters{gap:7px}.filter{font-size:13px;padding:9px 12px}.archive-content{padding-bottom:50px}.news-grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px}.news-card h2{font-size:28px}.news-card .card-image{aspect-ratio:1.7}.news-note{font-size:14px;padding-bottom:40px}.contact-layout{grid-template-columns:1fr;gap:35px;padding:0 0 45px}.contact-info h2,.contact-form h2{font-size:30px;margin-bottom:15px}.contact-form{padding:25px 21px}.form-field input,.form-field textarea{font-size:16px}.form-field label{font-size:16px}.contact-item a,.contact-item p{font-size:16px}.map-wrap{padding-bottom:45px}.map-wrap iframe{height:290px}.article-heading{margin:15px auto 27px;text-align:left}.article-heading .eyebrow{justify-content:flex-start;font-size:12px;letter-spacing:1.3px;margin-bottom:15px}.article-heading h1{font-size:36px;line-height:1.45;letter-spacing:-.8px}.article-byline{justify-content:flex-start;gap:12px;margin-top:20px;font-size:13px}.article-cover{margin:0 auto 28px}.article-cover img{aspect-ratio:1.65}.article-cover figcaption{font-size:12px;text-align:left}.reading-layout{display:flex;flex-direction:column;gap:26px;padding-bottom:30px}.article-sidebar{position:static;order:-1;width:100%;background:#edf0e4;border:0;border-radius:6px;padding:21px}.article-sidebar h2{font-size:13px;margin-bottom:9px}.toc{gap:0}.toc a{padding:8px 0;font-size:16px}.sidebar-author{display:none}.share-button{margin-top:14px;max-width:230px}.share-status{min-height:0}.share-status:empty{display:none}.article-body{font-size:16px;line-height:1.6}.article-body>p:first-child{font-size:17px}.article-body h2{font-size:27px;margin-top:28px;scroll-margin-top:95px}.article-end{display:block}.article-end .text-link{font-size:16px}.related-section{padding-top:37px}.related-section .cards{grid-template-columns:1fr}.error-content{padding:65px 0}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.brand-sub{letter-spacing:1.2px}.brand-name{font-size:26px}.brand{gap:8px}.brand-mark{width:32px;height:32px}.header-actions{gap:6px}.icon-button{width:40px;height:40px}.hero h1{font-size:44px}.hero-actions{gap:13px}.hero-actions .button{padding:12px 13px;font-size:13px;gap:9px}.hero-actions .text-link{font-size:13px}.value+.value{padding-left:10px}.value strong{font-size:12px}.hero-image{min-height:280px}.contact-form{padding:23px 17px}.page-intro h1{font-size:36px}.article-heading h1{font-size:32px}}
.hero-actions{flex-wrap:wrap}
.hero-copy>p{max-width:510px}
.button{min-height:54px;padding:14px 24px;border-radius:8px;box-shadow:0 4px 12px #213f3414}
.eyebrow{letter-spacing:1.5px}
.values-strip{gap:20px;padding:28px 0}
.value{background:#edf0e4;border:1px solid var(--line);border-radius:12px;padding:20px;align-items:flex-start}
.value+.value{padding-left:20px}
.value>svg{width:32px;height:32px}
.value strong{font-size:16px}
.value span{font-size:14px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;padding:0 22px 22px;box-shadow:0 6px 22px #213f3408}
.article-card .card-image{margin:0 -22px;width:calc(100% + 44px);max-width:none;border-radius:0}
.article-card h3{font-weight:600}
.article-card>p{line-height:1.6}
.card-meta{flex-wrap:wrap;row-gap:10px;font-size:13px}
.card-meta svg{width:16px;height:16px}
.topic{padding:24px 18px;border:1px solid var(--line);border-radius:10px;background:#edf0e4}
.footer-about>p{max-width:340px}
.footer-links a,.footer-contact>a{min-height:44px}
.footer-contact a{overflow-wrap:anywhere}
.contact-item{min-width:0}
.contact-item>div{min-width:0;overflow-wrap:anywhere}
.form-note{font-size:14px!important}
.article-body{font-size:17px;line-height:1.6}
.article-body>p:first-child{font-size:18px}
.share-button{padding:10px;line-height:1.6}
.article-sidebar h2{line-height:1.6}
.search-box input{font-size:16px}
@media(max-width:1100px){.header-inner{gap:20px}.site-nav{gap:18px}.story-copy{padding:32px 26px}}
@media(max-width:960px){
  .header-inner{gap:10px}
  .brand-sub{font-size:11px;letter-spacing:1.2px}
  .hero h1{font-size:clamp(44px,7vw,60px)}
  .hero-copy>p{font-size:16px}
  .hero-actions{gap:16px}
  .hero-actions .button,.hero-actions .text-link{font-size:16px}
  .hero-actions .button{min-height:54px}
  .values-strip{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .value{display:flex;padding:18px;gap:16px}
  .value+.value{padding-left:18px}
  .value>svg{width:28px;height:28px;margin:0}
  .value strong{font-size:16px;line-height:1.6}
  .value span{font-size:14px;line-height:1.6}
  .section-heading{flex-wrap:wrap}
  .section-heading>.text-link{font-size:15px;gap:10px;width:auto;height:auto;min-height:44px;padding:8px 14px;margin-top:0;border-radius:6px}
  .article-card h3{font-size:26px}
  .topics{gap:12px}
  .story-copy>p,.connect-banner p,.page-intro>p{font-size:17px}
  .article-body{font-size:16px}
  .article-body>p:first-child{font-size:18px}
  .share-button{max-width:none}
}
@media(max-width:360px){.brand-name{font-size:25px}.brand-sub{font-size:10px;letter-spacing:.7px}.header-actions{gap:6px}.hero-actions .button,.hero-actions .text-link{font-size:16px}.hero h1{font-size:42px}.article-card{padding:0 18px 18px}.article-card .card-image{margin:0 -18px;width:calc(100% + 36px)}}
@media(max-width:360px){.brand-sub{max-width:140px;letter-spacing:.3px;line-height:1.4}}
.hero-video{align-self:center;min-width:0;overflow:hidden;border-radius:14px;background:var(--green);color:white;box-shadow:0 12px 36px #213f341a}
.video-stage{position:relative;aspect-ratio:16/9;background:#14271c}
.video-stage>img,.video-stage>iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.video-launch{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:linear-gradient(#10271b15,#10271b90);color:white;font-size:16px;font-weight:700;text-shadow:0 2px 6px #0009}
.video-play{display:grid;place-items:center;width:76px;height:76px;padding-left:5px;border:2px solid #ffffffb3;border-radius:50%;background:#fafaf5f0;color:var(--green);font-size:30px;text-shadow:none;box-shadow:0 6px 24px #0003;transition:transform .2s,background .2s}
.video-launch:hover .video-play{transform:scale(1.08);background:white}
.video-launch:focus-visible{outline-offset:-6px;outline-color:var(--lime)}
.video-details{padding:30px 32px}
.video-details .eyebrow{color:var(--lime);font-size:12px;letter-spacing:1px;margin-bottom:14px}
.video-details .eyebrow:before{display:none}
.video-details .eyebrow svg{width:18px;height:18px}
.video-details h2{font-size:32px;line-height:1.4;letter-spacing:-.5px}
.video-source{display:inline-flex;align-items:center;gap:10px;min-height:44px;margin-top:14px;color:var(--lime);font-size:14px;text-decoration:underline;text-underline-offset:4px}
.video-source svg{width:17px;height:17px}
@media(max-width:960px){.hero-video{width:100%}.video-details{padding:24px}.video-details h2{font-size:28px}.video-launch{font-size:16px}.video-play{width:64px;height:64px;font-size:26px}}
@media(max-width:360px){.video-details{padding:20px}.video-details h2{font-size:25px}.video-details .eyebrow{font-size:11px;letter-spacing:.5px}.video-source{font-size:13px}}
h1,h2,h3{font-family:var(--sans);font-weight:700;letter-spacing:normal}
.brand-name{font-family:var(--sans);font-size:29px;font-weight:700;letter-spacing:normal}
.site-nav a{font-family:var(--nav);font-size:16px;font-weight:700;line-height:1}
.hero{min-height:0}
.hero-copy{padding-top:20px;padding-bottom:20px}
.hero h1{font-size:29px;line-height:1.6;letter-spacing:normal}
.hero h1 em{font-style:normal;font-weight:700}
.hero-copy>p{font-size:16px;line-height:1.6;margin-top:20.8px}
.hero-actions{margin-top:20px}
.hero-actions .button,.hero-actions .text-link,.button{font-size:15.52px;line-height:1.6}
.section{padding:48px 0}
.section-heading{margin-bottom:24px}
.section-heading h2,.story-copy h2,.connect-banner h2,.contact-info h2,.contact-form h2,.map-wrap h2,.video-details h2{font-size:29px;line-height:1.6;letter-spacing:normal}
.article-card h3,.news-card h2{font-family:var(--sans);font-size:16.56px;line-height:1.3;font-weight:700;letter-spacing:normal}
.article-card>p,.news-card p,.story-copy>p,.connect-banner p,.page-intro>p,.contact-info>p,.contact-form>p{font-size:16px;line-height:1.6}
.story-photo p{font:700 24px/1.6 var(--sans)}
.topic-title{font:700 20px/1.3 var(--sans)}
.page-intro h1,.article-heading h1{font-size:32px;line-height:1.35;letter-spacing:normal}
.article-body{font-size:17px;line-height:1.85;font-weight:400}
.article-body p{margin-bottom:22.1px}
.article-body>p:first-child{font-size:18px;line-height:1.85;font-weight:500;margin-bottom:25px}
.article-body h2{font:700 24px/1.3 var(--sans);letter-spacing:normal;margin:28px 0 15px}
.footer-title{font-size:20px;line-height:1.6;letter-spacing:normal}
.footer-contact p,.footer-contact a,.footer-about>p,.footer-links{font-size:16px;line-height:1.6}
@media(max-width:960px){.site-nav a{line-height:1.6}.section{padding:36px 0}.section-heading h2,.story-copy h2,.connect-banner h2,.contact-info h2,.contact-form h2,.map-wrap h2,.video-details h2{font-size:24px}.video-details h2{line-height:1.3}}
@media(max-width:549px){.footer-title{font-size:16px}.brand-name{font-size:26px}.brand-sub{max-width:170px;letter-spacing:.8px;line-height:1.4}}
@media(max-width:360px){.brand-sub{max-width:140px;letter-spacing:.3px}}
.intro-line{padding-top:18px;padding-bottom:18px}
.hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:40px;padding:8px 0 20px}
.hero-copy{min-width:0;padding:0;justify-content:space-between;gap:18px}
.hero .eyebrow{margin-bottom:0}
.hero h1{width:100%}
.hero-copy>p{max-width:100%;margin-top:0}
.hero-actions{margin-top:0;gap:24px}
.hero-video{align-self:start;width:100%}
.video-details{padding:16px 22px}
.video-details .eyebrow{font-size:11px;line-height:1.6;letter-spacing:.6px;margin-bottom:6px}
.video-details h2{font-size:18px;line-height:1.35;letter-spacing:normal}
.video-source{min-height:36px;margin-top:4px;font-size:13px;line-height:1.6}
@media(max-width:1100px){.hero{gap:28px}.hero-actions{gap:16px}}
@media(max-width:960px){.hero{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:4px;padding-bottom:12px}.hero-copy{justify-content:flex-start;gap:16px}.hero-actions{gap:16px}.video-details{padding:16px 20px}.video-details h2{font-size:18px;line-height:1.35}}
@media(max-width:360px){.video-details{padding:14px 16px}.video-source{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}


/* ========================================================
   DEMO 2 EDITORIAL & INTERACTIVE ENHANCEMENTS
   ======================================================== */
:root {
  --serif: 'Lora', Georgia, 'Times New Roman', serif !important;
  --zalo: #0068ff;
}

/* 1. EDITORIAL TYPOGRAPHY WITH LORA SERIF */
h1, h2, h3, .brand-name, .hero h1, .section-heading h2, .story-copy h2, 
.connect-banner h2, .contact-info h2, .contact-form h2, .map-wrap h2, 
.page-intro h1, .article-heading h1 {
  font-family: var(--serif) !important;
  font-weight: 700 !important;
  letter-spacing: -0.015em !important;
}

.brand-name {
  font-size: 28px !important;
  letter-spacing: -0.02em !important;
}

.hero h1 {
  font-size: clamp(32px, 4.2vw, 42px) !important;
  line-height: 1.35 !important;
  letter-spacing: -0.02em !important;
}

.section-heading h2, .story-copy h2, .connect-banner h2 {
  font-size: clamp(26px, 3.2vw, 32px) !important;
  line-height: 1.35 !important;
}

.article-card h3, .news-card h2 {
  font-family: var(--serif) !important;
  font-size: 19px !important;
  line-height: 1.4 !important;
  font-weight: 700 !important;
  letter-spacing: -0.01em !important;
}

.story-photo p {
  font-family: var(--serif) !important;
  font-style: italic !important;
  font-weight: 600 !important;
  font-size: 25px !important;
  line-height: 1.5 !important;
  text-shadow: 0 3px 12px rgba(0,0,0,0.5) !important;
}

.topic-title {
  font-family: var(--serif) !important;
  font-size: 19px !important;
  font-weight: 700 !important;
}

.video-details h2 {
  font-family: var(--serif) !important;
  font-size: 20px !important;
  line-height: 1.35 !important;
}

.article-body h2 {
  font-family: var(--serif) !important;
  font-size: 26px !important;
  line-height: 1.35 !important;
  margin: 32px 0 16px !important;
}

/* 2. MICRO-INTERACTIONS & CARDS POLISH */
@keyframes video-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.75); }
  70% { box-shadow: 0 0 0 18px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.video-play {
  animation: video-pulse 2.2s 2;
}

.hero-video {
  transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.hero-video:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 16px 42px rgba(33, 63, 52, 0.22) !important;
}

.article-card {
  transition: transform 0.28s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.28s cubic-bezier(0.2, 0, 0, 1), border-color 0.28s ease !important;
}

.article-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 16px 36px rgba(33, 63, 52, 0.12) !important;
  border-color: rgba(49, 92, 67, 0.35) !important;
}

.article-card .card-image img {
  transition: transform 0.45s ease !important;
}

.article-card:hover .card-image img {
  transform: scale(1.05) !important;
}

.article-card .image-arrow {
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease !important;
}

.article-card:hover .image-arrow {
  transform: translateX(4px) !important;
  background: var(--green) !important;
  color: #fff !important;
}

.topic {
  transition: all 0.25s ease !important;
}

.topic:hover {
  transform: translateY(-3px) !important;
  background: #e2e7d7 !important;
  border-color: var(--green) !important;
  box-shadow: 0 8px 20px rgba(33, 63, 52, 0.08) !important;
}

.value {
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease !important;
}

.value:hover {
  transform: translateY(-2px) !important;
  border-color: var(--green) !important;
  box-shadow: 0 8px 20px rgba(33, 63, 52, 0.06) !important;
}

/* 3. DEMO SWITCHER BAR */
.demo-bar {
  background: #183125;
  color: #e2e9c8;
  font-family: var(--sans);
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.demo-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.demo-bar-badge {
  display: inline-block;
  background: #57682f;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-right: 6px;
}

.demo-switch-link {
  color: #ffffff;
  background: rgba(255,255,255,0.16);
  padding: 4px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.demo-switch-link:hover {
  background: rgba(255,255,255,0.3);
  color: #fff;
}

/* 4. ZALO QUICK CONNECT (HEADER & FLOATING WIDGET) */
.zalo-header {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 16px;
  background: #0068ff;
  color: #ffffff !important;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 104, 255, 0.28);
  transition: all 0.2s ease;
}

.zalo-header:hover {
  background: #0056d6;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.4);
}

.zalo-header svg {
  width: 18px;
  height: 18px;
}

.zalo-float {
  position: fixed;
  right: 22px;
  bottom: 74px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px 9px 11px;
  background: #0068ff;
  color: #ffffff !important;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.38);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.zalo-float:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(0, 104, 255, 0.48);
}

.zalo-float .zalo-icon {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
}

.zalo-float .zalo-icon svg {
  width: 100%;
  height: 100%;
}

@media(max-width: 549px) {
  .zalo-float .zalo-label { display: none; }
  .zalo-float { padding: 9px; right: 16px; bottom: 70px; }
  .zalo-float .zalo-icon { width: 30px; height: 30px; }
  .zalo-header span { display: none; }
  .zalo-header { padding: 0 11px; min-height: 40px; width: 40px; justify-content: center; }
}

/* 5. AUTHOR SECTION ENHANCEMENT */
.author-avatar-v2 {
  background: linear-gradient(135deg, #315c43, #1a3a28) !important;
  color: #e2e9c8 !important;
  box-shadow: 0 4px 14px rgba(33, 63, 52, 0.3) !important;
  border: 2px solid #ffffff !important;
  font-family: var(--serif) !important;
  font-weight: 700;
}

.author-sign-wrap {
  margin-top: 6px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 6. CONTACT PAGE ZALO CARD */
.contact-item-zalo {
  background: #edf3ff;
  border: 1px solid #c7dcff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}

.contact-item-zalo .zalo-svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.zalo-link-highlight {
  display: inline-block;
  margin-top: 4px;
  color: #0068ff !important;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.typing-line{display:block;white-space:nowrap}
.typing-character{position:relative}
.is-typing .typing-character{opacity:0}
.is-typing .typing-character.is-visible{opacity:1}
.typing-cursor:after{content:'';position:absolute;right:-.08em;top:.15em;height:.9em;border-right:2px solid currentColor}
.demo-bar{padding:0;font-size:12px}
.demo-bar-inner{min-height:44px;flex-wrap:nowrap;gap:12px}
.demo-bar-title{display:flex;align-items:center;gap:10px;min-width:0}
.demo-bar-badge{margin:0;white-space:nowrap}
.demo-bar-description{white-space:nowrap}
.demo-switch-link{min-height:44px;padding:8px 0;background:transparent;border-radius:0;white-space:nowrap}
.demo-switch-link:hover{background:transparent;text-decoration:underline;text-underline-offset:4px}
.header-actions{flex-shrink:0}
.zalo-header{flex-shrink:0}
.video-source{min-height:44px}
.zalo-float{z-index:25;bottom:calc(78px + env(safe-area-inset-bottom))}
.back-top{bottom:calc(22px + env(safe-area-inset-bottom))}
.article-card:hover{transform:translateY(-3px)!important}
.video-launch:focus-visible .video-play{transform:scale(1.05)}
@media(max-width:1200px) and (min-width:961px){.header-contact{display:none}.site-nav{gap:22px}.header-inner{gap:20px}}
@media(max-width:549px){
  .demo-bar-description{display:none}
  .demo-switch-link{font-size:12px}
  .header-inner{gap:10px}
  .header-inner>.brand{min-width:0;flex-shrink:1;gap:9px}
  .header-inner .brand>span:last-child{min-width:0}
  .header-inner .brand-name{font-size:25px!important}
  .header-inner .brand-sub{max-width:170px;font-size:10px;letter-spacing:.5px;line-height:1.4}
  .header-actions{gap:8px}
  .header-actions .icon-button{width:44px;height:44px}
  .zalo-header{display:none}
  .zalo-float{right:16px;bottom:calc(76px + env(safe-area-inset-bottom))}
}
@media(max-width:360px){
  #hero-title{font-size:27px!important}
  .header-inner>.brand{gap:7px}
  .header-inner .brand-name{font-size:23px!important}
  .header-inner .brand-sub{max-width:125px;font-size:9px;letter-spacing:.2px}
  .header-inner .brand-mark{width:32px;height:32px}
  .header-actions{gap:6px}
}
@media(hover:none){
  .hero-video:hover,.article-card:hover,.topic:hover,.value:hover,.zalo-float:hover{transform:none!important}
  .article-card:hover .card-image img{transform:none!important}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto!important}
  *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero-video:hover,.article-card:hover,.topic:hover,.value:hover,.zalo-float:hover,.video-launch:focus-visible .video-play{transform:none!important}
}

.footer-latest{display:grid;gap:10px;margin-top:24px;font-size:14px;line-height:1.6}.footer-latest .footer-title{margin-bottom:4px}.footer-latest a:hover{text-decoration:underline}.story-copy>h3{margin-top:24px;font-size:20px}.footer-contact>a{overflow-wrap:anywhere}