.nt-scope{--nt-ink:#12332b;--nt-ink-2:#1c4a3e;--nt-ink-3:#0c231d;--nt-paper:#faf6ec;--nt-paper-edge:#efe7d4;--nt-gold:#c8a96a;--nt-gold-soft:#e4d3ae;--nt-wax:#b4543a;--nt-wax-dark:#8e3e2a;--nt-text:#1a1a1a;--nt-text-soft:#5b6a62;color:var(--nt-text);font-family:var(--font-sans,system-ui,sans-serif)}.nt-hero{position:relative;background:radial-gradient(120% 90% at 78% 8%,rgba(168,201,184,.16),transparent 60%),linear-gradient(178deg,var(--nt-ink) 0,var(--nt-ink-3) 100%);color:var(--nt-paper);overflow:hidden}.nt-hero-art{position:absolute;inset:0;z-index:0;background-image:url(/images/hoc-bong-nhan-tai/hero.webp);background-size:cover;background-position:100%;background-repeat:no-repeat}.nt-hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,var(--nt-ink) 0,color-mix(in srgb,var(--nt-ink) 92%,transparent) 30%,color-mix(in srgb,var(--nt-ink) 66%,transparent) 55%,color-mix(in srgb,var(--nt-ink) 40%,transparent) 100%),linear-gradient(180deg,transparent 16%,color-mix(in srgb,var(--nt-ink) 90%,transparent) 100%)}@media (max-width:640px){.nt-hero-art{background-position:72%}.nt-hero-art:after{background:linear-gradient(170deg,color-mix(in srgb,var(--nt-ink) 94%,transparent) 0,color-mix(in srgb,var(--nt-ink) 86%,transparent) 55%,color-mix(in srgb,var(--nt-ink) 70%,transparent) 100%)}}.nt-grain:after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.35;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E")}.nt-envelope{position:relative;display:block;width:100%;max-width:40rem;margin-inline:auto;aspect-ratio:1.62/1;perspective:1400px;border-radius:6px;background:linear-gradient(168deg,var(--nt-ink-2) 0,var(--nt-ink) 100%);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.06),0 24px 60px -28px rgba(6,22,18,.75);cursor:pointer;transition:transform .42s cubic-bezier(.2,.7,.3,1),box-shadow .42s ease}.nt-envelope:focus-visible,.nt-envelope:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.08),0 34px 70px -30px rgba(6,22,18,.8)}.nt-envelope:focus-visible{outline:2px solid var(--nt-gold);outline-offset:6px}.nt-envelope-body{border-radius:6px;overflow:hidden}.nt-envelope-body,.nt-flap-bottom,.nt-flap-left,.nt-flap-right{position:absolute;inset:0}.nt-flap-left{background:linear-gradient(90deg,hsla(0,0%,100%,.05),transparent 70%);clip-path:polygon(0 0,50% 52%,0 100%)}.nt-flap-right{background:linear-gradient(270deg,rgba(0,0,0,.18),transparent 70%);clip-path:polygon(100% 0,50% 52%,100% 100%)}.nt-flap-bottom{background:linear-gradient(0deg,rgba(0,0,0,.22),transparent 62%);clip-path:polygon(0 100%,50% 50%,100% 100%)}.nt-flap-top{position:absolute;top:0;left:0;right:0;height:54%;background:linear-gradient(184deg,var(--nt-ink-3) 0,#0a1d18 100%);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center;transform:rotateX(0deg);transition:transform .64s cubic-bezier(.55,0,.25,1);z-index:3;border-top:1px solid hsla(40,46%,60%,.25)}.nt-envelope[data-open=true] .nt-flap-top{transform:rotateX(-168deg) translateZ(1px);transition-duration:.7s;filter:brightness(.82)}.nt-envelope-rule{position:absolute;inset:10px;border:1px solid hsla(40,46%,60%,.28);border-radius:3px;pointer-events:none;z-index:4}.nt-seal{position:absolute;left:50%;top:52%;width:84px;height:84px;translate:-50% -50%;border-radius:50%;display:grid;place-items:center;z-index:5;background:radial-gradient(circle at 34% 30%,#d1755a 0,var(--nt-wax) 42%,var(--nt-wax-dark) 100%);box-shadow:inset 0 2px 0 hsla(0,0%,100%,.25),inset 0 -3px 8px rgba(0,0,0,.35),0 10px 22px -10px rgba(0,0,0,.6);clip-path:polygon(49% 1%,67% 2%,83% 11%,93% 24%,99% 41%,95% 59%,89% 74%,76% 93%,57% 99%,39% 97%,24% 90%,11% 78%,3% 61%,1% 43%,9% 25%,21% 11%,35% 3%);color:#f6e3ce;font-family:var(--font-voice,Georgia,serif);font-size:26px;letter-spacing:.02em;transition:opacity .26s ease,transform .42s cubic-bezier(.4,0,.2,1)}.nt-envelope[data-open=true] .nt-seal{opacity:0;transform:translate(-50%,-50%) scale(.82) rotate(-14deg);transition-duration:.24s}.nt-letter{position:relative;background:var(--nt-paper);border:1px solid var(--nt-paper-edge);border-radius:4px;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.8),0 30px 70px -40px rgba(18,51,43,.55)}.nt-letter-head{border-bottom:1px solid var(--nt-paper-edge);box-shadow:0 3px 0 -2px var(--nt-gold-soft)}.nt-ruled{background-image:repeating-linear-gradient(180deg,transparent 0,transparent 27px,hsla(40,46%,60%,.22) 0,hsla(40,46%,60%,.22) 28px);line-height:28px}.nt-field{width:100%;background:transparent;border:0;border-bottom:1px solid var(--nt-paper-edge);padding:6px 2px;font-size:15px;color:var(--nt-text);font-family:inherit;transition:border-color .18s ease,background .18s ease}.nt-field::placeholder{color:#a9a395}.nt-field:hover{border-bottom-color:var(--nt-gold-soft)}.nt-field:focus{outline:none;border-bottom-color:var(--nt-gold);background:hsla(40,46%,60%,.06)}.nt-field[aria-invalid=true]{border-bottom-color:var(--nt-wax);background:rgba(180,84,58,.05)}textarea.nt-field{border:1px solid var(--nt-paper-edge);border-radius:4px;padding:8px 10px;resize:vertical}textarea.nt-field:focus{border-color:var(--nt-gold)}.nt-choice{display:block;border:1px solid var(--nt-paper-edge);border-radius:6px;padding:12px 14px;cursor:pointer;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.nt-choice:hover{border-color:var(--nt-gold-soft)}.nt-choice[data-selected=true]{border-color:var(--nt-gold);background:hsla(40,46%,60%,.1);box-shadow:0 0 0 1px var(--nt-gold) inset}.nt-choice:focus-within{outline:2px solid var(--nt-gold);outline-offset:2px}.nt-submit{position:relative;display:inline-flex;align-items:center;gap:10px;border:0;border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;color:#f8efe2;background:linear-gradient(168deg,var(--nt-wax) 0,var(--nt-wax-dark) 100%);box-shadow:0 12px 24px -14px rgba(142,62,42,.9);cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,opacity .16s ease}.nt-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(142,62,42,.95)}.nt-submit:disabled{opacity:.6;cursor:not-allowed}@keyframes nt-post{0%{transform:translateY(0) scale(1);opacity:1}55%{transform:translateY(14px) scale(.965);opacity:1}to{transform:translateY(140px) scale(.9);opacity:0}}.nt-posting{animation:nt-post .76s cubic-bezier(.55,0,.35,1) forwards;pointer-events:none}@keyframes nt-arrive{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.nt-arrive{animation:nt-arrive .52s cubic-bezier(.2,.7,.3,1) both}@media (prefers-reduced-motion:reduce){.nt-envelope,.nt-flap-top,.nt-seal,.nt-submit{transition-duration:1ms}.nt-arrive,.nt-posting{animation-duration:1ms}}.nt-envelope-mouth{position:relative;display:block;width:100%;max-width:47rem;margin-inline:auto;height:7rem;border-radius:6px 6px 0 0;overflow:hidden;background:linear-gradient(168deg,var(--nt-ink-2) 0,var(--nt-ink) 100%);box-shadow:inset 0 -1px 0 hsla(40,46%,60%,.22)}.nt-envelope-mouth:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),transparent 70%);clip-path:polygon(0 0,50% 62%,100% 0)}.nt-word{display:inline-block;opacity:1;will-change:transform,opacity;animation:nt-fly-in .76s cubic-bezier(.16,.84,.28,1) both;animation-delay:var(--nt-delay,0ms)}@keyframes nt-fly-in{0%{opacity:0;transform:translate3d(0,.5em,-60px) rotateX(-28deg);filter:blur(7px)}to{opacity:1;transform:none;filter:blur(0)}}.nt-flying{perspective:900px;transform-style:preserve-3d}.nt-rise{animation:nt-rise .82s cubic-bezier(.16,.84,.28,1) both;animation-delay:var(--nt-delay,0ms)}@keyframes nt-rise{0%{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.nt-rise,.nt-word{animation:none;opacity:1;transform:none;filter:none}}.nt-royal{position:relative;overflow:hidden;border-radius:14px;padding:56px 28px 44px;text-align:center;color:var(--nt-paper);background:radial-gradient(120% 80% at 50% -10%,hsla(40,46%,60%,.28),transparent 62%),linear-gradient(172deg,#17483b 0,var(--nt-ink) 46%,var(--nt-ink-3) 100%);box-shadow:inset 0 0 0 1px hsla(40,46%,60%,.45),inset 0 0 0 7px #12332b,inset 0 0 0 8px hsla(40,46%,60%,.32),0 40px 90px -40px rgba(6,22,18,.85);animation:nt-royal-in .9s cubic-bezier(.18,.9,.24,1) both}@media (min-width:640px){.nt-royal{padding:76px 56px 60px}}@keyframes nt-royal-in{0%{opacity:0;transform:translateY(26px) scale(.965)}to{opacity:1;transform:none}}.nt-rays{position:absolute;left:50%;top:-140px;width:760px;height:760px;translate:-50% 0;z-index:0;pointer-events:none;opacity:.34;background:repeating-conic-gradient(from 0deg at 50% 50%,hsla(40,46%,60%,.5) 0deg 7deg,transparent 7deg 20deg);mask-image:radial-gradient(circle at 50% 50%,#000 0,transparent 68%);-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 0,transparent 68%);animation:nt-rays-spin 44s linear infinite}@keyframes nt-rays-spin{to{transform:rotate(1turn)}}.nt-royal:after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(104deg,transparent 38%,hsla(0,0%,100%,.11) 48%,hsla(0,0%,100%,.02) 55%,transparent 62%);background-size:280% 100%;animation:nt-shimmer 5.5s ease-in-out 1.1s infinite}@keyframes nt-shimmer{0%{background-position:130% 0}55%{background-position:-60% 0}to{background-position:-60% 0}}.nt-royal>:not(.nt-rays){position:relative;z-index:2}.nt-crown{animation:nt-crown-drop 1s cubic-bezier(.22,1.3,.36,1) .12s both;filter:drop-shadow(0 10px 22px rgba(200,169,106,.42))}@keyframes nt-crown-drop{0%{opacity:0;transform:translateY(-90px) scale(.7) rotate(-14deg)}62%{opacity:1;transform:translateY(6px) scale(1.06) rotate(2deg)}to{opacity:1;transform:none}}.nt-stamp{animation:nt-stamp-in .64s cubic-bezier(.3,1.5,.4,1) 1.15s both}@keyframes nt-stamp-in{0%{opacity:0;transform:scale(2.4) rotate(-22deg)}70%{opacity:1;transform:scale(.94) rotate(3deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}.nt-foil{color:var(--nt-gold-soft);background:linear-gradient(96deg,#b08d4e,#e4d3ae 18%,#fff6df 30%,#e4d3ae 42%,#c8a96a 58%,#fff6df 72%,#e4d3ae 84%,#b08d4e);background-size:260% 100%}@supports (-webkit-background-clip:text) or (background-clip:text){.nt-foil{-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}}.nt-royal-title{animation:nt-title-in .88s cubic-bezier(.2,1.35,.32,1) .24s both,nt-foil-sweep 7s ease-in-out 1.2s infinite}@keyframes nt-title-in{0%{opacity:0;transform:translateY(26px) scale(.86)}70%{opacity:1;transform:translateY(0) scale(1.04)}to{opacity:1;transform:none}}@keyframes nt-foil-sweep{0%,to{background-position:0 0}50%{background-position:100% 0}}.nt-float{animation:nt-float 4.2s ease-in-out infinite}@keyframes nt-float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}.nt-wax-edge{clip-path:polygon(49% 1%,67% 2%,83% 11%,93% 24%,99% 41%,95% 59%,89% 74%,76% 93%,57% 99%,39% 97%,24% 90%,11% 78%,3% 61%,1% 43%,9% 25%,21% 11%,35% 3%)}.nt-halo{animation:nt-halo 3.4s ease-in-out 1.6s infinite}@keyframes nt-halo{0%,to{box-shadow:0 0 0 0 hsla(40,46%,60%,.42)}50%{box-shadow:0 0 44px 12px hsla(40,46%,60%,.16)}}@media (prefers-reduced-motion:reduce){.nt-crown,.nt-float,.nt-foil,.nt-halo,.nt-rays,.nt-royal,.nt-royal-title,.nt-stamp{animation:none!important;opacity:1;transform:none}.nt-royal:after{display:none}}.nt-overlay{background:rgba(8,26,21,.82);backdrop-filter:blur(7px) saturate(115%);-webkit-backdrop-filter:blur(7px) saturate(115%);animation:nt-overlay-in .42s ease both}@keyframes nt-overlay-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.nt-overlay{animation:none}}