:root{--bg-primary:#070b14;--bg-secondary:#101827;--bg-elevated:#161f30;--bg-card:#fffcf5f5;--bg-card-hover:#fffdf8;--bg-form:#fbf7ef;--accent-gold:#d4af37;--accent-gold-light:#f0d78c;--accent-gold-dark:#a67c1a;--accent-cyan:#5eb3d4;--accent-ink:#0c1220;--border-gold:#d4af3773;--border-subtle:#d4af372e;--border-soft:#e6dcc4;--text-primary:#f4efe4;--text-secondary:#c4bba8;--text-muted:#8a8376;--text-on-light:#1c1b18;--text-on-light-secondary:#4a4944;--text-on-light-muted:#787670;--element-kim:#c9a227;--element-moc:#3d8b4a;--element-thuy:#4a8fd4;--element-hoa:#e04a4a;--element-tho:#e07a3a;--font-heading:"Cormorant Garamond", "Be Vietnam Pro", serif;--font-subheading:"Be Vietnam Pro", sans-serif;--font-body:"Be Vietnam Pro", sans-serif;--shadow-glow:0 0 40px #d4af372e;--shadow-card:0 12px 40px #00000059;--radius-lg:18px;--radius-md:12px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);background-image:radial-gradient(80% 50% at 50% -10%,#d4af3729,#0000 55%),radial-gradient(60% 40% at 90% 20%,#5eb3d414,#0000 50%),radial-gradient(50% 35% at 10% 70%,#d4af370f,#0000 45%),linear-gradient(#070b14 0%,#0c1220 50%,#0a101c 100%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#d4af3759;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-gold)}.font-heading{font-family:var(--font-heading)}.font-subheading{font-family:var(--font-subheading)}.text-gold{color:var(--accent-gold)}.text-gold-gradient{background:linear-gradient(135deg,#f5e6b8 0%,#d4af37 42%,#f0d78c 70%,#a67c1a 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;padding-block:.12em;line-height:1.25;display:inline-block;overflow:visible}.site-header{border-bottom:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(16px);z-index:100;background:#070b14b8;justify-content:space-between;align-items:center;padding:14px 28px;display:flex;position:sticky;top:0}.site-logo{align-items:baseline;gap:10px;text-decoration:none;display:flex}.site-logo-mark{border:1.5px solid var(--accent-gold);background:radial-gradient(circle at 35% 35%,#f0d78c,#0000 45%),radial-gradient(circle at 70% 65%,#5eb3d480,#0000 40%),#121a2a;border-radius:50%;flex-shrink:0;align-self:center;width:28px;height:28px;box-shadow:0 0 18px #d4af3759}.site-logo-text{font-family:var(--font-heading);letter-spacing:.04em;padding-block:.08em;font-size:clamp(1.05rem,2.5vw,1.35rem);font-weight:700;line-height:1.35}.site-nav{flex-wrap:wrap;align-items:center;gap:22px;display:flex}.site-nav a.nav-link{color:var(--text-secondary);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.site-nav a.nav-link:hover{color:var(--accent-gold-light)}.site-nav a.nav-link-accent{color:var(--accent-gold);font-weight:600}.site-footer{text-align:center;border-top:1px solid var(--border-subtle);color:var(--text-muted);background:#00000040;padding:32px 20px;font-size:.85rem}.footer-link{color:var(--text-muted);font-size:.85rem;text-decoration:none;transition:color .2s}.footer-link:hover{color:var(--accent-gold-light)}.site-main{flex:1;padding:0}.glass-panel,.thien-ban-center,.cung-cell,.panel-light{--text-primary:#1c1b18;--text-secondary:#4a4944;--text-muted:#787670;--accent-gold:#b8860b;--accent-gold-light:#996515;--border-gold:#c59b27;--border-subtle:#e0d7c3}.glass-panel{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);color:#1c1b18}.glass-panel-hover{transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s}.glass-panel-hover:hover{background:var(--bg-card-hover);box-shadow:var(--shadow-glow), var(--shadow-card);transform:translateY(-2px)}.form-input,.form-select{width:100%;color:var(--text-on-light);font-family:var(--font-body);background:#fff;border:1px solid #ddd4c0;border-radius:10px;padding:12px 16px;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-select:focus{border-color:var(--accent-gold);outline:none;box-shadow:0 0 0 3px #d4af3733}.form-select option{color:var(--text-on-light);background:#fff}.btn-primary{color:#1a1408;font-weight:700;font-family:var(--font-subheading);letter-spacing:.04em;cursor:pointer;background:linear-gradient(135deg,#e0c060 0%,#d4af37 45%,#a67c1a 100%);border:none;border-radius:10px;padding:14px 28px;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 24px #d4af3747}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px #d4af3766}.btn-primary:disabled{opacity:.65;cursor:wait;transform:none}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-gold);cursor:pointer;background:#fffcf514;border-radius:10px;padding:10px 20px;transition:background .2s,border-color .2s}.btn-secondary:hover{border-color:var(--accent-gold);background:#d4af371f}.glass-panel .btn-secondary{color:var(--text-on-light);background:#f4efe4;border:1px solid #ddd4c0}.glass-panel .btn-secondary:hover{border-color:var(--accent-gold-dark);background:#ebe3d2}.hero-stage{flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 64px);padding:48px 20px 72px;display:flex;position:relative;overflow:hidden}.hero-sky{pointer-events:none;z-index:0;position:absolute;inset:0}.hero-content{z-index:2;text-align:center;max-width:820px;animation:1s ease-out both heroFadeUp;position:relative}.hero-brand{font-family:var(--font-heading);letter-spacing:.06em;margin-bottom:8px;font-size:clamp(3rem,9vw,5.5rem);font-weight:700;line-height:1.2;overflow:visible}.hero-brand-sub{font-family:var(--font-body);letter-spacing:.28em;text-transform:uppercase;color:var(--accent-gold-light);-webkit-text-fill-color:var(--accent-gold-light);background:0 0;margin-top:10px;font-size:clamp(.85rem,2vw,1.05rem);font-weight:600;display:block}.hero-headline{font-family:var(--font-heading);color:var(--text-secondary);margin:28px 0 14px;font-size:clamp(1.35rem,3.2vw,1.85rem);font-weight:600;line-height:1.35}.hero-lead{color:var(--text-muted);max-width:520px;margin:0 auto 32px;font-size:1.05rem;line-height:1.65}.hero-actions{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.btn-ghost-gold{border:1px solid var(--border-gold);color:var(--accent-gold-light);background:0 0;border-radius:10px;align-items:center;gap:8px;padding:14px 24px;font-size:.95rem;font-weight:600;text-decoration:none;transition:background .2s,transform .2s;display:inline-flex}.btn-ghost-gold:hover{background:#d4af371a;transform:translateY(-2px)}.hero-visual{z-index:1;pointer-events:none;opacity:.55;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.hero-orb{background:radial-gradient(circle at 40% 35%,#f0d78c40,#0000 42%),radial-gradient(circle at 60% 60%,#5eb3d41f,#0000 50%),radial-gradient(circle,#d4af3714,#0000 70%);border:1px solid #d4af3733;border-radius:50%;width:min(70vw,520px);height:min(70vw,520px);animation:8s ease-in-out infinite orbPulse;box-shadow:0 0 80px #d4af3726,inset 0 0 60px #d4af370f}.starfield span{opacity:.7;width:2px;height:2px;animation:twinkle var(--dur,3s) ease-in-out infinite;animation-delay:var(--delay,0s);background:#fff;border-radius:50%;position:absolute;box-shadow:0 0 6px #fffc}.form-section{z-index:2;margin-top:-40px;padding:0 16px 80px;animation:1.1s ease-out .15s both heroFadeUp;position:relative}.form-section-inner{max-width:640px;margin:0 auto}.form-section-title{text-align:center;margin-bottom:20px}.form-section-title h2{font-family:var(--font-heading);font-size:2rem;font-weight:700}.form-section-title p{color:var(--text-muted);margin-top:6px;font-size:.95rem}@keyframes heroFadeUp{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@keyframes orbPulse{0%,to{opacity:.55;transform:scale(1)}50%{opacity:.7;transform:scale(1.04)}}@keyframes twinkle{0%,to{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}@keyframes shimmerLine{0%{background-position:0%}to{background-position:200%}}.pulse-effect{animation:2.5s ease-in-out infinite orbPulse}.tuvi-grid-container{-webkit-overflow-scrolling:touch;width:100%;padding-bottom:8px;overflow-x:auto}.tuvi-grid{width:100%;min-width:820px;max-width:1280px;box-shadow:0 16px 48px #00000073, var(--shadow-glow);background:linear-gradient(145deg,#5c3a1e,#3d2412);border:2px solid #8b5a2b;border-radius:12px;grid-template-rows:repeat(4,minmax(210px,auto));grid-template-columns:repeat(4,1fr);gap:6px;margin:0 auto;padding:8px;display:grid}.thien-ban-center{text-align:center;color:#1c1b18;background:linear-gradient(160deg,#fffdf7,#f7efd8);border:2px solid #b8860b;border-radius:8px;flex-direction:column;grid-area:2/2/span 2/span 2;justify-content:center;align-items:center;padding:20px;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 0 24px #b8860b1a}.cung-cell{cursor:pointer;color:#1c1b18;background:#fff;border:1.5px solid #d4af37;border-radius:6px;flex-direction:column;justify-content:space-between;padding:6px 8px;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.cung-cell:hover{background:#fffef2;border-color:#8b4513;box-shadow:inset 0 0 10px #b8860b1f}.cung-cell.is-menh{box-shadow:0 0 10px #c6282833;border:2.5px solid #c62828!important}@media (max-width:768px){.site-header{flex-wrap:wrap;gap:10px;padding:12px 16px}.site-nav{justify-content:flex-end;gap:14px;width:100%}.hero-stage{min-height:auto;padding:36px 16px 56px}.tuvi-grid-container{padding:0}.tuvi-grid{gap:4px;min-width:780px;padding:4px}.thien-ban-center{padding:12px 8px}}