/* ufa-shard — เศษเหล็กแหลมคม | Shard Diagonal */
:root{
    --vsh-bg:#0a0f14;--vsh-surface:#101820;--vsh-main:#00d4e8;--vsh-deep:#00a0b8;
    --vsh-soft:#0e1419;--vsh-accent:#7c8a99;--vsh-ink:#d8e8f0;--vsh-gray:#607080;--vsh-line:#1a2832;
}
*{box-sizing:border-box}
body{font-family:'IBM Plex Sans Thai Looped',sans-serif;background:var(--vsh-bg);color:var(--vsh-ink);font-size:16px;line-height:1.74;margin:0}
a{color:var(--vsh-main);text-decoration:none;transition:.2s}
a:hover{color:var(--vsh-accent)}
img{max-width:100%}
.vsh-section{padding:60px 0}
.vsh-section-tint{background:var(--vsh-surface)}
.vsh-section-title{text-align:center;margin-bottom:32px}
.vsh-section-title h2{font-size:26px;font-weight:600;margin:0}
/* Buttons */
.vsh-btn-main,.vsh-btn-ghost{display:inline-block;padding:10px 26px;font-weight:600;font-size:15px;border:1px solid transparent;line-height:1.6;clip-path:polygon(0 0,100% 0,95% 100%,0 100%)}
.vsh-btn-main{background:var(--vsh-main);color:#0a0f14}
.vsh-btn-main:hover{background:var(--vsh-deep);color:#fff}
.vsh-btn-ghost{background:transparent;border-color:var(--vsh-main);color:var(--vsh-main)}
.vsh-btn-ghost:hover{border-color:var(--vsh-accent);color:var(--vsh-accent)}
.vsh-btn-lg{padding:13px 34px;font-size:16.5px}
.vsh-btn-sm{padding:7px 20px;font-size:13.5px}
.vsh-btn-nav{padding:7px 18px;font-size:13.5px}
/* Header */
.vsh-header{position:sticky;top:0;z-index:100;background:rgba(10,15,20,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--vsh-line)}
.vsh-header.scrolled{box-shadow:0 4px 16px rgba(0,0,0,.4)}
.vsh-ticker{background:var(--vsh-main);padding:4px 0;font-size:13px;color:#0a0f14}
.vsh-ticker-inner{display:flex;align-items:center;gap:12px}
.vsh-ticker-tag{background:rgba(0,0,0,.2);padding:1px 8px;font-size:11px;font-weight:700}
.vsh-header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:16px}
.vsh-brand{display:flex;align-items:center;gap:10px}
.vsh-brand-gem{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--vsh-main);color:#0a0f14;font-weight:700;font-size:18px;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.vsh-brand-text b{display:block;font-size:16px;font-weight:600}
.vsh-brand-text small{font-size:11px;color:var(--vsh-gray);letter-spacing:1px}
.vsh-nav-wrap{display:flex;align-items:center;gap:16px}
.vsh-nav{list-style:none;display:flex;align-items:center;gap:2px;margin:0;padding:0;flex-wrap:wrap}
.vsh-nav a{display:block;padding:7px 12px;font-size:14px;color:var(--vsh-ink);transition:.2s}
.vsh-nav a:hover{color:var(--vsh-main)}
.vsh-menu-drop{position:relative}
.vsh-menu-link{display:flex;align-items:center;gap:4px;cursor:pointer}
.vsh-caret{font-size:10px}
.vsh-menu-panel{position:absolute;top:100%;left:0;background:var(--vsh-surface);border:1px solid var(--vsh-line);padding:14px;min-width:200px;max-height:0;overflow:hidden;opacity:0;transition:.3s;z-index:200}
.vsh-menu-drop:hover .vsh-menu-panel,.vsh-menu-drop.show .vsh-menu-panel{max-height:500px;opacity:1}
.vsh-menu-group{margin-bottom:10px}
.vsh-menu-cat{font-weight:700;font-size:14px;color:var(--vsh-main)!important;padding:4px 8px!important}
.vsh-menu-subs{padding-left:12px}
.vsh-menu-subs a{font-size:13px;padding:3px 8px!important}
.vsh-nav-btns{display:flex;gap:8px}
.vsh-toggle{display:none;background:none;border:1px solid var(--vsh-line);color:var(--vsh-ink);font-size:20px;padding:4px 10px;cursor:pointer}
/* Hero — diagonal clip */
.vsh-hero{position:relative;padding:80px 0;overflow:hidden}
.vsh-hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--vsh-soft) 0%,var(--vsh-bg) 100%);clip-path:polygon(0 0,100% 0,100% 85%,0 100%)}
.vsh-hero-content{position:relative;z-index:1;text-align:center}
.vsh-hero-h1{font-size:34px;font-weight:700;margin:0 0 14px;line-height:1.3}
.vsh-hero-word{display:block;color:var(--vsh-main)}
.vsh-hero-p{font-size:15px;color:var(--vsh-gray);line-height:1.8;margin:0 0 24px;max-width:680px;margin-left:auto;margin-right:auto}
.vsh-hero-btns{display:flex;gap:12px;justify-content:center}
/* Diagonal skewed zones */
.vsh-zone{padding:40px 0;transform:skewY(-1.5deg);background:var(--vsh-surface)}
.vsh-zone:nth-child(odd){background:var(--vsh-bg)}
.vsh-zone-rev{transform:skewY(1.5deg)}
.vsh-zone-inner{transform:skewY(1.5deg)}
.vsh-zone-rev .vsh-zone-inner{transform:skewY(-1.5deg)}
.vsh-zone-head{margin-bottom:20px}
.vsh-zone-head h2{font-size:22px;font-weight:700;margin:0 0 4px}
.vsh-zone-head p{font-size:14px;color:var(--vsh-gray);margin:0}
.vsh-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.vsh-card{display:flex;flex-direction:column;gap:4px}
.vsh-card img{width:100%;height:110px;object-fit:cover;clip-path:polygon(0 0,100% 0,95% 100%,5% 100%);border:1px solid var(--vsh-line);transition:.2s}
.vsh-card:hover img{border-color:var(--vsh-main);filter:brightness(1.15)}
.vsh-card b{font-size:13px;font-weight:600;color:var(--vsh-ink)}
/* Articles */
.vsh-art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vsh-art-card{background:var(--vsh-surface);border:1px solid var(--vsh-line);overflow:hidden}
.vsh-art-card:hover{border-color:var(--vsh-main)}
.vsh-art-card .news-img img{width:100%;height:130px;object-fit:cover}
.vsh-art-card .news-body{padding:12px}
.vsh-art-card h4{font-size:14px;margin:0 0 6px}
.vsh-art-card h4 a{color:var(--vsh-ink)}
.vsh-art-card .news-meta{font-size:12px;color:var(--vsh-gray);display:flex;gap:10px}
/* FAQ */
.vsh-faq{max-width:760px;margin:0 auto}
.vsh-faq-item{border:1px solid var(--vsh-line);border-left:3px solid var(--vsh-main);clip-path:polygon(0 0,100% 0,99% 100%,0 100%);margin-bottom:8px;overflow:hidden;background:var(--vsh-bg)}
.vsh-faq-btn{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:0;padding:15px 18px;font-family:inherit;font-size:15px;font-weight:600;color:var(--vsh-ink);text-align:left;cursor:pointer}
.vsh-faq-btn:hover{color:var(--vsh-main)}
.vsh-faq-ico{font-size:12px;color:var(--vsh-main);transition:.3s}
.vsh-faq-btn.active .vsh-faq-ico{transform:rotate(180deg)}
.vsh-faq-body{max-height:0;overflow:hidden;transition:.3s}
.vsh-faq-body.show{max-height:300px;padding:0 18px 14px}
.vsh-faq-body p{margin:0;font-size:14px;color:var(--vsh-gray);line-height:1.8}
/* Footer */
.vsh-footer{background:var(--vsh-surface);border-top:1px solid var(--vsh-line);padding:50px 0 0}
.vsh-foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--vsh-line);flex-wrap:wrap}
.vsh-foot-lead{max-width:400px}
.vsh-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.vsh-foot-brand img{height:32px}
.vsh-foot-brand b{font-size:18px}
.vsh-foot-lead p{font-size:14px;color:var(--vsh-gray);line-height:1.7;margin:0}
.vsh-foot-cta{text-align:right}
.vsh-foot-cta span{display:block;font-size:14px;color:var(--vsh-gray);margin-bottom:10px}
.vsh-foot-btns{display:flex;gap:8px}
.vsh-foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:30px 0}
.vsh-foot-col h4{font-size:14px;font-weight:700;color:var(--vsh-main);margin:0 0 12px;text-transform:uppercase;letter-spacing:1px}
.vsh-foot-col a{display:block;font-size:14px;color:var(--vsh-gray);padding:4px 0;transition:.2s}
.vsh-foot-col a:hover{color:var(--vsh-main)}
.vsh-links-row{padding:16px 0;border-top:1px solid var(--vsh-line);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.vsh-links-label{font-size:13px;color:var(--vsh-gray);margin-right:8px}
.vsh-link-item{font-size:13px;color:var(--vsh-gray);padding:3px 10px;border:1px solid var(--vsh-line);transition:.2s}
.vsh-link-item:hover{color:var(--vsh-main);border-color:var(--vsh-main)}
.vsh-foot-base{text-align:center;padding:24px 0;border-top:1px solid var(--vsh-line)}
.vsh-foot-base p{font-size:13px;color:var(--vsh-gray);margin:0 0 4px}
.vsh-legal{font-size:12px!important}
.vsh-icp a{color:var(--vsh-gray)}
/* Responsive */
@media(max-width:991px){
    .vsh-nav-wrap{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--vsh-surface);flex-direction:column;align-items:flex-start;padding:60px 20px 20px;gap:16px;transition:.3s;overflow-y:auto;z-index:150}
    .vsh-nav-wrap.show{right:0}
    .vsh-nav{flex-direction:column;align-items:flex-start;width:100%}
    .vsh-nav a{width:100%;padding:10px 12px}
    .vsh-toggle{display:block}
    .vsh-zone,.vsh-zone-rev{transform:none}
    .vsh-zone-inner{transform:none}
    .vsh-grid{grid-template-columns:repeat(2,1fr)}
    .vsh-art-grid{grid-template-columns:1fr}
    .vsh-hero-h1{font-size:24px}
    .vsh-foot-cols{grid-template-columns:1fr}
    .vsh-foot-cta{text-align:left}
}