:root{--cosmic-ink:#17112f;--twilight-plum:#4d4177;--deep-sky:#5b48a6;--periwinkle:#88a5e0;--milky-glow:#c8ddf5;--blue-50:#f2eff9;--blue-100:#c8ddf5;--blue-200:#c2b4e6;--blue-300:#88a5e0;--blue-400:#8a72c8;--blue-500:#5b48a6;--blue-600:#4b3c88;--blue-700:#392c6b;--blue-800:#271f48;--blue-900:#17112f;--blue-950:#0d0a1f;--plum-50:#f1eff7;--plum-100:#ddd9ec;--plum-200:#c0b8da;--plum-300:#9c8fc1;--plum-400:#75679f;--plum-500:#4d4177;--plum-600:#413763;--plum-700:#342c50;--plum-800:#26213b;--plum-900:#1a1628;--neutral-0:#fff;--neutral-50:#f5f6fb;--neutral-100:#eceef6;--neutral-200:#dfe2ee;--neutral-300:#cacfdd;--neutral-400:#969db4;--neutral-500:#69708a;--neutral-600:#494f66;--neutral-700:#333849;--neutral-800:#1f2330;--neutral-900:#0d1020;--success-soft:#e1efe8;--success:#2e7d5b;--success-ink:#1c4d38;--warning-soft:#f8efd9;--warning:#c4881f;--warning-ink:#7a540f;--danger-soft:#f7e6e2;--danger:#c2493a;--danger-ink:#7e2c20;--info-soft:#ece9f7;--info:#5b48a6;--info-ink:#271f48;--num-1:#ae4940;--num-2:#c17c5c;--num-3:#bd9a45;--num-4:#4f8a6b;--num-5:#3f8fa3;--num-6:#bc6088;--num-7:#7a5fc2;--num-8:#5b48a6;--num-9:#9b4fa0;--num-10:#6e8a3c;--num-11:#88a5e0;--num-22:#c9a24a;--num-33:#2e8079;--bg-page:var(--neutral-50);--bg-subtle:var(--neutral-100);--surface-card:var(--neutral-0);--surface-raised:var(--neutral-0);--surface-sunken:var(--neutral-100);--surface-night:var(--cosmic-ink);--surface-night-2:var(--blue-800);--text-strong:var(--neutral-900);--text-body:var(--neutral-700);--text-muted:var(--neutral-500);--text-faint:var(--neutral-400);--text-on-night:#e7eefb;--text-on-night-muted:#9fb0d4;--text-on-primary:#fff;--text-on-accent:#fff;--primary:var(--plum-500);--primary-hover:var(--plum-600);--primary-active:var(--plum-700);--primary-soft:var(--plum-50);--accent:var(--blue-500);--accent-hover:var(--blue-600);--accent-soft:var(--blue-50);--star:var(--milky-glow);--border-soft:var(--neutral-200);--border:var(--neutral-300);--border-strong:var(--neutral-400);--border-night:#c8ddf529;--ring:#4d41776b;--grad-twilight:linear-gradient(135deg, #4d4177 0%, #88a5e0 100%);--grad-glow:linear-gradient(135deg, #88a5e0 0%, #c8ddf5 100%);--grad-night:linear-gradient(160deg, #2d2350 0%, #171032 58%, #0b0820 100%);--indigo-50:var(--blue-50);--indigo-100:var(--blue-100);--indigo-200:var(--blue-200);--indigo-300:var(--blue-300);--indigo-400:var(--blue-400);--indigo-500:var(--blue-500);--indigo-600:var(--blue-500);--indigo-700:var(--blue-600);--indigo-800:var(--blue-800);--indigo-900:var(--blue-900);--indigo-950:var(--blue-950);--gold-50:var(--plum-50);--gold-100:var(--plum-100);--gold-300:var(--plum-300);--gold-400:var(--plum-400);--gold-500:var(--plum-500);--gold-600:var(--plum-600);--gold-700:var(--plum-700);--gold-900:var(--plum-900);--text-on-gold:var(--blue-950);--grad-gold:var(--grad-twilight);--grad-aurora:var(--grad-night);--grad-stardust:var(--grad-night);--grad-galaxy:var(--grad-twilight);--grad-dawn:linear-gradient(160deg, #4d4177 0%, #75679f 60%, #88a5e0 120%);--font-display:"Lora", "Times New Roman", serif;--font-sans:"Be 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alphabetic){.ds-orb{padding-top:0}}.ds-lead{font-family:var(--font-sans);font-size:var(--text-md);font-weight:var(--fw-regular);line-height:var(--leading-relaxed);color:var(--text-body)}.ds-body{font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--fw-regular);line-height:var(--leading-normal);color:var(--text-body)}.ds-body-sm{font-family:var(--font-sans);font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--text-body)}.ds-label{font-family:var(--font-sans);font-size:var(--text-xs);font-weight:var(--fw-semibold);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-muted)}.ds-caption{font-family:var(--font-sans);font-size:var(--text-xs);line-height:var(--leading-snug);color:var(--text-muted)}:root{--space-0:0;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-2xl:32px;--radius-pill:999px;--radius-orb:50%;--container-sm:640px;--container-md:768px;--container-lg:1024px;--container-xl:1200px;--gutter:var(--space-6);--section-y:var(--space-24);--border-width:1px;--border-width-2:2px;--z-base:1;--z-raised:10;--z-sticky:100;--z-overlay:1000;--z-modal:1100;--z-toast:1200;--bp-xs:360px;--bp-sm:640px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--bp-2xl:1536px;--page-pad:20px}@media 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(min-width:1024px){.sd-grid--lg-3{grid-template-columns:repeat(3,1fr)}.sd-grid--lg-4{grid-template-columns:repeat(4,1fr)}}@media (min-width:768px){:root{--text-3xl:3.5rem;--text-4xl:4.75rem;--text-5xl:6.5rem}}:root{--shadow-xs:0 1px 2px #16102e0f;--shadow-sm:0 1px 3px #16102e14, 0 1px 2px #16102e0d;--shadow-md:0 4px 12px #16102e17, 0 2px 4px #16102e0d;--shadow-lg:0 12px 28px #16102e21, 0 4px 10px #16102e0f;--shadow-xl:0 24px 56px #16102e2e, 0 8px 18px #16102e17;--shadow-night:0 20px 50px #0b081a99;--glow-star:0 0 0 1px #c8ddf566, 0 8px 30px #88a5e073;--glow-blue:0 0 0 1px #5b48a652, 0 8px 28px #5b48a666;--glow-plum:0 0 0 1px #4d417752, 0 8px 28px #4d41776b;--glow-gold:var(--glow-star);--glow-indigo:var(--glow-blue);--focus-ring:0 0 0 3px var(--ring);--hairline:1px solid var(--border-soft);--rule:1px solid var(--border);--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-soft:cubic-bezier(.4, 0, .2, 1);--dur-fast:.14s;--dur-normal:.22s;--dur-slow:.4s;--starfield:radial-gradient(1.5px 1.5px at 12% 22%, #ffffffe6, transparent), radial-gradient(1.5px 1.5px at 68% 14%, #c8ddf5d9, transparent), radial-gradient(1px 1px at 38% 58%, #fff9, transparent), radial-gradient(1.5px 1.5px at 84% 46%, #88a5e0e6, transparent), radial-gradient(1px 1px at 22% 78%, #ffffff80, transparent), radial-gradient(1.5px 1.5px at 56% 84%, #c8ddf5cc, transparent), radial-gradient(1px 1px at 92% 76%, #88a5e0b3, transparent), radial-gradient(1px 1px at 48% 32%, #ffffff80, transparent);--dur-slower:.7s;--dur-reveal:1.1s}@keyframes ds-spin{to{transform:rotate(360deg)}}@keyframes ds-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.96)}}@keyframes ds-glow-ripple{0%{box-shadow:0 0 #88a5e08c}70%{box-shadow:0 0 0 18px #88a5e000}to{box-shadow:0 0 #88a5e000}}@keyframes ds-shimmer{to{background-position:-200% 0}}@keyframes ds-twinkle{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}}@keyframes ds-float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes ds-draw{to{stroke-dashoffset:0}}@keyframes ds-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes ds-pop{0%{transform:scale(1)}40%{transform:scale(1.12)}to{transform:scale(1)}}.ds-anim-spin{animation:.9s linear infinite ds-spin}.ds-anim-pulse{animation:ds-pulse 1.4s var(--ease-soft) infinite}.ds-anim-twinkle{animation:ds-twinkle 2.4s var(--ease-soft) infinite}.ds-anim-float{animation:ds-float 4s var(--ease-soft) infinite}.ds-anim-rise{animation:ds-rise var(--dur-normal) var(--ease-out) both}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.sd-btn{font-family:var(--font-sans);font-weight:600;line-height:1;font-size:var(--text-base);border-radius:var(--radius-md);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background var(--dur-fast) var(--ease-soft), background-position var(--dur-slower) var(--ease-soft), transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:11px 20px;display:inline-flex}.sd-btn:active{transform:translateY(1px)}.sd-btn:focus-visible{box-shadow:var(--focus-ring);outline:none}.sd-btn[disabled],.sd-btn.is-disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.sd-btn--sm{font-size:var(--text-sm);border-radius:var(--radius-sm);padding:8px 14px}.sd-btn--lg{font-size:var(--text-base);padding:13px 24px}.sd-btn--block{width:100%}.sd-btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.sd-btn--primary:hover{background:var(--primary-hover)}.sd-btn--secondary{background:var(--surface-card);color:var(--text-strong);border-color:var(--border);box-shadow:var(--shadow-xs)}.sd-btn--secondary:hover{background:var(--bg-subtle)}.sd-btn--ghost{color:var(--primary);background:0 0}.sd-btn--ghost:hover{background:var(--primary-soft)}.sd-btn--night{background:var(--surface-night);color:var(--text-on-night);border-color:var(--border-night);box-shadow:var(--shadow-night)}.sd-btn--twilight,.sd-btn--glow{color:#fff;box-shadow:var(--shadow-sm);background-position:0%;background-size:200% 100%}.sd-btn--twilight:hover,.sd-btn--glow:hover{background-position:100%}.sd-btn--twilight{background-image:linear-gradient(110deg, var(--twilight-plum), var(--periwinkle), var(--twilight-plum))}.sd-btn--glow{background-image:linear-gradient(110deg, var(--periwinkle), var(--milky-glow), var(--periwinkle));color:var(--cosmic-ink)}.sd-field{font-family:var(--font-sans);flex-direction:column;gap:6px;display:flex}.sd-label{font-size:var(--text-sm);color:var(--text-strong);font-weight:500}.sd-label__req{color:var(--danger);margin-left:3px}.sd-hint{font-size:var(--text-xs);color:var(--text-muted)}.sd-error{font-size:var(--text-xs);color:var(--danger)}.sd-input,.sd-select,.sd-textarea{box-sizing:border-box;width:100%;font-family:var(--font-sans);font-size:var(--text-base);color:var(--text-strong);background:var(--surface-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);outline:none;padding:11px 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var(--border-strong);background:var(--surface-card);width:20px;height:20px;transition:all var(--dur-fast) var(--ease-soft);border-radius:var(--radius-xs);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.sd-check--radio .sd-check__box{border-radius:50%}.sd-check input{opacity:0;width:0;height:0;position:absolute}.sd-check input:checked+.sd-check__box{border-color:var(--primary);background:var(--primary)}.sd-check--radio input:checked+.sd-check__box{background:var(--surface-card)}.sd-check--radio input:checked+.sd-check__box:after{content:"";background:var(--primary);border-radius:50%;width:10px;height:10px}.sd-check input:focus-visible+.sd-check__box{box-shadow:var(--focus-ring)}.sd-check__check{color:#fff;opacity:0}.sd-check input:checked+.sd-check__box .sd-check__check{opacity:1}.sd-switch{flex-shrink:0;width:46px;height:26px;display:inline-block;position:relative}.sd-switch 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var(--border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);color:var(--text-body);padding:24px}.sd-card--raised{box-shadow:var(--shadow-lg)}.sd-card--outline{box-shadow:none;border-color:var(--border)}.sd-card--night{background:var(--surface-night);background-image:var(--starfield);border-color:var(--border-night);box-shadow:var(--shadow-night);color:var(--text-on-night)}.sd-card--interactive{cursor:pointer;transition:transform var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out)}.sd-card--interactive:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.sd-badge{font-family:var(--font-sans);font-size:var(--text-xs);border-radius:var(--radius-pill);background:var(--neutral-100);color:var(--text-body);align-items:center;gap:5px;padding:5px 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var(--border-soft);font-family:var(--font-sans);gap:4px;display:inline-flex}.sd-tab{cursor:pointer;font-size:var(--text-sm);color:var(--text-muted);background:0 0;border:0;padding:10px 14px;font-weight:500;position:relative}.sd-tab.is-active{color:var(--primary);font-weight:600}.sd-tab.is-active:after{content:"";background:var(--primary);height:2px;position:absolute;bottom:-1px;left:0;right:0}.sd-tabs--pill{background:var(--surface-sunken);border-radius:var(--radius-pill);border-bottom:0;padding:4px}.sd-tabs--pill .sd-tab{border-radius:var(--radius-pill);padding:8px 18px}.sd-tabs--pill .sd-tab.is-active{background:var(--surface-card);color:var(--text-strong);box-shadow:var(--shadow-xs)}.sd-tabs--pill .sd-tab.is-active:after{display:none}.sd-progress{border-radius:var(--radius-pill);background:var(--surface-sunken);height:10px;overflow:hidden}.sd-progress__fill{border-radius:var(--radius-pill);background:var(--primary);height:100%;transition:width var(--dur-slow) var(--ease-out)}.sd-spinner{background:conic-gradient(from 0deg, transparent, var(--primary) 85%, var(--primary));border-radius:50%;width:36px;height:36px;animation:.85s linear infinite ds-spin;-webkit-mask:radial-gradient(farthest-side,#0000 calc(100% - 3.5px),#000 calc(100% - 3.5px));mask:radial-gradient(farthest-side,#0000 calc(100% - 3.5px),#000 calc(100% - 3.5px))}.sd-skeleton{background:linear-gradient(100deg, var(--neutral-100) 30%, var(--neutral-200) 50%, var(--neutral-100) 70%);border-radius:var(--radius-xs);background-size:200% 100%;animation:1.3s linear infinite ds-shimmer}.sd-overlay{z-index:var(--z-modal);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#16102e73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.sd-overlay--bottom{align-items:flex-end;padding:0}.sd-modal{background:var(--surface-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:440px;font-family:var(--font-sans);overflow:hidden}.sd-sheet{background:var(--surface-card);border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;box-shadow:var(--shadow-xl);width:100%;max-width:520px;font-family:var(--font-sans);padding:10px 22px calc(24px + env(safe-area-inset-bottom))}.sd-sheet__grabber{background:var(--border);border-radius:2px;width:40px;height:4px;margin:6px auto 14px}.sd-toast{left:50%;bottom:calc(28px + env(safe-area-inset-bottom));z-index:var(--z-toast);background:var(--surface-night);color:var(--text-on-night);font-family:var(--font-sans);font-size:var(--text-sm);border-radius:var(--radius-pill);box-shadow:var(--shadow-night);border:1px solid var(--border-night);align-items:center;gap:12px;padding:12px 18px;display:inline-flex;position:fixed;transform:translate(-50%)}.sd-tooltip{background:var(--surface-night);color:var(--text-on-night);font-family:var(--font-sans);font-size:var(--text-xs);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);padding:6px 10px}.sd-icon{vertical-align:middle;color:currentColor;width:24px;height:24px;display:inline-block}
.sd-scope{--font-display:var(--font-lora), Georgia, serif;--font-numeral:var(--font-lora), Georgia, serif;--font-sans:var(--font-be-vietnam), system-ui, sans-serif;background:var(--bg-page);min-height:100vh;color:var(--text-body);font-family:var(--font-sans);flex:1}:where(.sd-scope) :where(h1,h2,h3){color:var(--text-strong);letter-spacing:var(--tracking-tight);line-height:var(--leading-tight)}.m-container{width:100%;max-width:var(--container-xl);padding-inline:var(--space-5);margin:0 auto}@media (min-width:640px){.m-container{padding-inline:var(--space-8)}}@media (min-width:1024px){.m-container{padding-inline:var(--space-10)}}.m-header{z-index:var(--z-sticky);background:color-mix(in srgb, var(--bg-page) 88%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-soft);position:sticky;top:0}.m-header__inner{justify-content:space-between;align-items:center;gap:var(--space-6);height:60px;display:flex}.m-brand{align-items:center;gap:var(--space-3);text-decoration:none;display:inline-flex}.m-brand__mark{width:28px;height:28px;color:var(--primary)}.m-brand__name{font-family:var(--font-display);font-size:var(--text-base);font-weight:var(--fw-semibold);color:var(--text-strong);white-space:nowrap}.m-header__inner .sd-btn{white-space:nowrap;flex:none}@media (max-width:420px){.m-header__inner{gap:var(--space-3)}.m-brand{gap:var(--space-2)}.m-brand__name{font-size:var(--text-sm)}}@media (max-width:359px){.m-brand__name{display:none}}.m-header__actions{align-items:center;gap:var(--space-4);display:flex}.m-header__login{font-size:var(--text-sm);color:var(--text-muted);text-decoration:none;display:none}@media (min-width:640px){.m-header__login{display:inline}}.m-hero{min-height:calc(100dvh - 60px - 5.5rem);padding-block:var(--space-10) var(--space-12);align-items:center;display:flex}.m-hero__col{width:100%;max-width:36rem;margin-inline:auto}.m-hero__title{font-size:var(--text-xl);margin-top:var(--space-3);max-width:22ch}@media (min-width:768px){.m-hero__title{font-size:var(--text-2xl)}}.m-hero__title em{color:var(--primary);font-style:italic}.m-hero__lead{margin-top:var(--space-4);max-width:34rem;font-size:var(--text-base)}.m-hero__lead+.m-hero__lead{margin-top:var(--space-3);font-size:var(--text-sm);color:var(--text-muted)}.m-hero__cta{margin-top:var(--space-6);gap:var(--space-3);flex-wrap:wrap;display:flex}.m-hero__cta .sd-btn{line-height:var(--leading-snug);text-align:center}.m-hero__note{margin-top:var(--space-3);align-items:center;gap:var(--space-2);display:flex}.m-night{background:var(--grad-night);background-image:var(--starfield), var(--grad-night);border:1px solid var(--border-night);border-radius:var(--radius-xl);box-shadow:var(--shadow-night);color:var(--text-on-night);position:relative;overflow:hidden}.m-night__matrix{width:130%;color:var(--periwinkle);opacity:.14;pointer-events:none;position:absolute;top:50%;left:50%;translate:-50% -50%}.m-footer{border-top:1px solid var(--border-soft);padding-block:var(--space-8);justify-content:space-between;align-items:center;gap:var(--space-4);font-size:var(--text-xs);color:var(--text-muted);flex-wrap:wrap;display:flex}.m-footer a{color:var(--text-muted)}