.vs-root{--blue-50:#f0f6ff;--blue-100:#dcebff;--blue-200:#b8d6ff;--blue-300:#84b6ff;--blue-400:#3d8bff;--blue-500:#006bff;--blue-600:#0055d6;--blue-700:#0043a8;--blue-800:#00337d;--yellow-100:#fff6cc;--yellow-200:#ffec99;--yellow-300:#ffe05c;--yellow-400:#ffd60a;--yellow-500:#f2c200;--ink-900:#0a0e27;--ink-800:#161b36;--ink-700:#2a2e45;--stone-0:#fff;--stone-50:#fafaf8;--stone-100:#f5f3ef;--stone-200:#ece9e2;--stone-300:#dcd8cf;--stone-400:#b8b4aa;--gray-700:#3c4156;--gray-600:#565b70;--gray-500:#6e7388;--gray-400:#9a9eb0;--gray-300:#c7cad6;--gray-200:#e4e6ee;--gray-100:#f1f2f6;--green-500:#1fb871;--green-100:#dcf6ea;--amber-500:#f5a623;--amber-100:#fcedd2;--red-500:#e5484d;--red-100:#fbe0e1;--text-primary:var(--ink-900);--text-secondary:var(--gray-500);--text-tertiary:var(--gray-400);--brand:var(--blue-500);--brand-hover:var(--blue-600);--brand-pressed:var(--blue-700);--border:var(--gray-200);--border-strong:var(--gray-300);--focus-ring:#006bff59;--radius-xs:8px;--radius-sm:12px;--radius-md:16px;--radius-lg:20px;--radius-card:24px;--radius-xl:28px;--radius-pill:999px;--shadow-xs:0 1px 2px #0a0e270d;--shadow-sm:0 2px 8px #0a0e270f;--shadow-card:0 6px 20px #0a0e2712;--shadow-md:0 10px 30px #0a0e2714;--shadow-lg:0 20px 48px #0a0e271a;--shadow-brand:0 12px 32px #006bff47;--shadow-brand-soft:0 8px 24px #006bff29;--font-display:var(--font-baloo-2), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:var(--font-be-vietnam), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-hanzi:var(--font-noto-sc), var(--font-baloo-2), sans-serif;font-family:var(--font-body);color:var(--ink-900);background:var(--stone-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.vs-root *,.vs-root :before,.vs-root :after{box-sizing:border-box}@keyframes vs-fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes vs-sheet-up{0%{opacity:0;transform:translateY(24px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes vs-backdrop{0%{opacity:0}to{opacity:1}}@keyframes vs-spin{to{transform:rotate(360deg)}}@keyframes vs-caret{50%{opacity:0}}@keyframes vs-ring{0%{opacity:.55;transform:scale(.75)}to{opacity:0;transform:scale(1.35)}}@keyframes vs-wave{0%,to{transform:scaleY(.35)}50%{transform:scaleY(1)}}@keyframes vs-pulse-warn{0%,to{opacity:1}50%{opacity:.55}}@keyframes vs-breath{0%,to{opacity:.55;transform:scale(.92)}50%{opacity:1;transform:scale(1.08)}}@keyframes vs-dot{0%,to{opacity:.4;transform:translateY(0)}50%{opacity:1;transform:translateY(-5px)}}.vs-fade-up{animation:.45s cubic-bezier(.22,1,.36,1) both vs-fade-up}@media (prefers-reduced-motion:reduce){.vs-root *,.vs-root :before,.vs-root :after{transition:none!important;animation:none!important}}.vs-hide-sm{display:inline}.vs-cols{grid-template-columns:1fr 1fr;align-items:start;gap:clamp(24px,4vw,48px);display:grid}.vs-grid-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (max-width:899px){.vs-hide-sm{display:none}.vs-cols{grid-template-columns:1fr}}.vs-btn{cursor:pointer;font-family:var(--font-body);border-radius:var(--radius-lg);white-space:nowrap;color:inherit;border:none;justify-content:center;align-items:center;gap:8px;font-weight:600;text-decoration:none;transition:background .15s,transform .1s,box-shadow .15s,border-color .15s;display:inline-flex}.vs-btn:active{transform:scale(.97)}.vs-btn:focus-visible{box-shadow:0 0 0 4px var(--focus-ring);outline:none}.vs-btn--lg{height:56px;padding:0 26px;font-size:16px}.vs-btn--md{height:48px;padding:0 20px;font-size:15px}.vs-btn--sm{height:38px;padding:0 14px;font-size:14px}.vs-btn--block{width:100%}.vs-btn--pill{border-radius:var(--radius-pill)}.vs-btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand-soft)}.vs-btn--primary:hover{background:var(--brand-hover)}.vs-btn--sparkle{background:var(--yellow-400);color:var(--ink-900);box-shadow:0 8px 24px #ffd60a52}.vs-btn--sparkle:hover{background:var(--yellow-300)}.vs-btn--outline{background:var(--stone-0);color:var(--ink-900);border:1.5px solid var(--border-strong)}.vs-btn--outline:hover{background:var(--stone-50)}.vs-btn--ghost{color:var(--brand);background:0 0}.vs-btn--ghost:hover{background:var(--stone-100)}.vs-btn--white{color:var(--brand);background:#fff}.vs-btn--white:hover{background:var(--stone-50)}.vs-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.vs-card{background:var(--stone-0);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:24px}.vs-card--brand{background:linear-gradient(135deg, var(--blue-500), var(--blue-700));color:#fff;box-shadow:var(--shadow-brand)}.vs-card--warm{background:var(--stone-100);box-shadow:none}.vs-pick{cursor:pointer;text-align:left;background:var(--stone-0);width:100%;box-shadow:var(--shadow-sm);border-radius:var(--radius-md);border:none;transition:box-shadow .15s,background .15s,transform .1s;position:relative}.vs-pick:hover{box-shadow:var(--shadow-card)}.vs-pick:active{transform:scale(.99)}.vs-pick:focus-visible{box-shadow:0 0 0 4px var(--focus-ring);outline:none}.vs-pick--on{background:var(--blue-50);box-shadow:inset 0 0 0 2px var(--brand)}.vs-pick--on:hover{box-shadow:inset 0 0 0 2px var(--brand)}.vs-pick:disabled{cursor:not-allowed;opacity:.55}.vs-seg{background:var(--stone-100);border-radius:var(--radius-pill);align-self:flex-start;align-items:center;gap:2px;width:fit-content;max-width:100%;padding:4px;display:inline-flex;overflow-x:auto}.vs-seg__opt{cursor:pointer;font-family:var(--font-body);color:var(--gray-500);border-radius:var(--radius-pill);white-space:nowrap;background:0 0;border:none;height:34px;padding:0 14px;font-size:14px;font-weight:600;transition:all .15s}.vs-seg__opt:hover{color:var(--ink-900)}.vs-seg__opt--active{background:var(--stone-0);color:var(--ink-900);box-shadow:var(--shadow-xs)}.vs-input{border:1.5px solid var(--border);background:var(--stone-0);border-radius:var(--radius-md);width:100%;font-family:var(--font-body);color:var(--ink-900);resize:vertical;padding:13px 16px;font-size:15px;line-height:1.6;transition:border-color .15s,box-shadow .15s}.vs-input::placeholder{color:var(--text-tertiary)}.vs-input:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--focus-ring);outline:none}.vs-mic{cursor:pointer;border:none;border-radius:50%;flex:none;place-items:center;transition:transform .12s,box-shadow .15s,background .15s;display:grid}.vs-mic:active{transform:scale(.95)}.vs-mic:focus-visible{box-shadow:0 0 0 5px var(--focus-ring);outline:none}.vs-mic--ready{background:var(--brand);box-shadow:var(--shadow-brand)}.vs-mic--ready:hover{background:var(--brand-hover)}.vs-mic--recording{background:var(--red-500);box-shadow:0 12px 32px #e5484d57}.vs-mic--busy{background:var(--gray-300);cursor:wait}.vs-mic:disabled{cursor:not-allowed}