:root{--color-bg:#070708;--color-bg-elevated:#0e0e10;--color-bg-raised:#151518;--color-bg-hover:#ffffff08;--color-bg-active:#ffffff0f;--color-gold:#c9a96e;--color-gold-hover:#d4b87a;--color-gold-subtle:#c9a96e1f;--color-gold-ghost:#c9a96e0f;--color-gold-glow:#c9a96e14;--color-success:#34d399;--color-success-subtle:#34d3991a;--color-danger:#f87171;--color-danger-subtle:#f871711a;--color-warning:#fbbf24;--color-warning-subtle:#fbbf241a;--color-info:#60a5fa;--color-info-subtle:#60a5fa1a;--color-text:#e8e5de;--color-text-secondary:#99958c;--color-text-muted:#66635c;--color-text-dim:#4a4842;--color-border:#ffffff0f;--color-border-strong:#ffffff1a;--color-border-gold:#c9a96e33;--font-display:"Instrument Serif", "EB Garamond", "Noto Serif SC", serif;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "Source Code Pro", monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-full:9999px;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 20px #c9a96e14;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--nav-height:64px;--sidebar-width:200px;--content-max:680px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}body{font-family:var(--font-sans);color:var(--color-text-secondary);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:13px;font-weight:400;line-height:1.6;overflow-x:hidden}#root{width:100%;min-height:100vh}::selection{background:var(--color-gold-subtle);color:var(--color-text)}img{max-width:100%}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-text-dim);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.page-container{max-width:var(--content-max);padding:0 var(--space-5);margin:0 auto}.page-container-wide{max-width:960px;padding:0 var(--space-5);margin:0 auto}.heading-xl{font-family:var(--font-display);color:var(--color-text);letter-spacing:-.02em;font-size:clamp(40px,6vw,72px);font-weight:500;line-height:1.1}.heading-lg{font-family:var(--font-display);color:var(--color-text);letter-spacing:-.01em;font-size:clamp(24px,3.5vw,36px);font-weight:500;line-height:1.25}.heading-md{font-family:var(--font-sans);color:var(--color-text);font-size:16px;font-weight:600;line-height:1.4}.heading-sm{font-family:var(--font-sans);color:var(--color-text);font-size:14px;font-weight:600;line-height:1.5}.body-text{font-family:var(--font-sans);color:var(--color-text-secondary);font-size:13px;line-height:1.6}.small-text{font-family:var(--font-sans);color:var(--color-text-muted);font-size:12px;line-height:1.5}.caption-text{font-family:var(--font-sans);color:var(--color-text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:11px;line-height:1.4}.monospace-text{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12px;line-height:1.5}.amount-text{font-family:var(--font-mono);color:var(--color-text);font-variant-numeric:tabular-nums;font-size:20px;font-weight:600;line-height:1.2}.snap-section{min-height:100vh;padding:var(--space-8) 0;align-items:center;display:flex;position:relative}.snap-section+.snap-section{border-top:1px solid var(--color-border)}.divider{background:var(--color-gold);width:40px;height:1px;margin:var(--space-6) 0;opacity:.5}.divider-center{background:var(--color-gold);width:40px;height:1px;margin:var(--space-6) auto;opacity:.5}.reveal{opacity:0;transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);transform:translateY(24px)}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-d1{transition-delay:.12s}.reveal-d2{transition-delay:.24s}.reveal-d3{transition-delay:.36s}.reveal-d4{transition-delay:.48s}.step-number{font-family:var(--font-display);color:var(--color-gold);letter-spacing:.06em;font-size:13px;font-style:italic}.btn{justify-content:center;align-items:center;gap:var(--space-2);font-family:var(--font-sans);color:var(--color-text);border:1px solid var(--color-border-strong);padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);cursor:pointer;transition:all .2s var(--ease-out);white-space:nowrap;background:0 0;font-size:13px;font-weight:500;line-height:1;text-decoration:none;display:inline-flex}.btn:hover{border-color:var(--color-text-muted);background:var(--color-bg-hover)}.btn:active{transform:scale(.97)}.btn-accent{background:var(--color-gold);color:var(--color-bg);border-color:var(--color-gold);font-weight:600}.btn-accent:hover{background:var(--color-gold-hover);border-color:var(--color-gold-hover);box-shadow:var(--shadow-glow)}.btn-ghost{border-color:var(--color-border-gold);color:var(--color-gold)}.btn-ghost:hover{background:var(--color-gold-subtle);border-color:var(--color-gold)}.btn-danger{color:var(--color-danger);border-color:#0000}.btn-danger:hover{background:var(--color-danger-subtle)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#ffffff08 25%,#ffffff0f 37%,#ffffff08 63%) 0 0/200% 100%;animation:1.5s ease-in-out infinite shimmer}@keyframes spin{to{transform:rotate(360deg)}}.spin-animation{animation:.8s linear infinite spin}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes slideOutRight{0%{transform:translate(0)}to{transform:translate(100%)}}.fade-line{background:linear-gradient(to right, transparent, var(--color-border), transparent);width:100%;height:1px}.snap-section:nth-child(2n){background:#ffffff03}.card{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.card-hoverable:hover{border-color:var(--color-border-strong);background:var(--color-bg-raised)}.badge{align-items:center;gap:var(--space-1);padding:1px var(--space-2);border-radius:var(--radius-full);white-space:nowrap;font-size:11px;font-weight:500;line-height:1.4;display:inline-flex}.badge-gold{background:var(--color-gold-subtle);color:var(--color-gold)}.badge-success{background:var(--color-success-subtle);color:var(--color-success)}.badge-danger{background:var(--color-danger-subtle);color:var(--color-danger)}.empty-state{align-items:center;gap:var(--space-3);padding:var(--space-8) var(--space-5);color:var(--color-text-muted);text-align:center;flex-direction:column;font-size:13px;display:flex}.empty-state-icon{opacity:.3;width:40px;height:40px}@media (width<=820px){.feature-grid{gap:var(--space-6)!important;grid-template-columns:1fr!important}}@media (width<=768px){.snap-section{padding:var(--space-7) 0}.body-text{font-size:13px}.hide-mobile{display:none!important}}