:root{--bg-cover: #14100b;--bg-cover-tint: #1f1812;--bg-cover-vignette: rgba(0, 0, 0, .55);--bg-cover-glow: #2a1f15;--gold: #b8946a;--gold-bright: #e3c891;--gold-deep: #8a6f44;--gold-glow: rgba(227, 200, 145, .35);--paper: #f1e8d4;--paper-shadow: #ebe0c6;--paper-edge: #d7c8a4;--envelope: #ece1c4;--envelope-fold: #d8c8a1;--envelope-flap-shadow: rgba(138, 111, 68, .25);--envelope-inner: #2a1f15;--ink: #2a2014;--ink-soft: #6b5a3f;--ink-faint: #a89a78;--accent-black: #1a140d;--noir: #1a140d;--warm-brown: #8a6f4d;--warm-brown-light: #b8946a;--wax-red: #8a3a2a;--wax-red-deep: #5e2418;--wax-red-light: #b65141;--wax: #8a3a2a;--wax-deep: #5e2418;--wax-light: #b65141;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--font-en-serif: "Cormorant Garamond", "Times New Roman", "Georgia", serif;--font-cn-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;--font-cn-sans: "Noto Sans SC", "PingFang SC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;--font-hand: "Ma Shan Zheng", "Noto Serif SC", "Songti SC", serif;--radius-sm: 2px;--radius-md: 6px;--radius-lg: 14px;--shadow-paper: 0 2px 12px rgba(42, 32, 20, .08), 0 1px 3px rgba(42, 32, 20, .06);--shadow-envelope: 0 12px 28px rgba(0, 0, 0, .55), 0 4px 8px rgba(0, 0, 0, .35);--duration-fast: .2s;--duration-medium: .4s;--duration-slow: .8s;--duration-wax: .4s;--duration-envelope-flap: .7s;--duration-letter-rise: .8s;--easing-soft: cubic-bezier(.22, 1, .36, 1);--easing-firm: cubic-bezier(.4, 0, .2, 1);--texture-linen: url(/textures/linen.svg);--bp-mobile: 768px;--safe-top: env(safe-area-inset-top, 0);--safe-bottom: env(safe-area-inset-bottom, 0)}@keyframes wax-split-left{0%{transform:translate(0) rotate(0);opacity:1}to{transform:translate(-60px,-10px) rotate(-25deg);opacity:0}}@keyframes wax-split-right{0%{transform:translate(0) rotate(0);opacity:1}to{transform:translate(60px,-10px) rotate(25deg);opacity:0}}@keyframes flap-open{0%{transform:rotateX(0)}to{transform:rotateX(-165deg)}}@keyframes letter-rise{0%{transform:translateY(0) scale(1)}to{transform:translateY(-58%) scale(.96)}}@keyframes scene-fade-to-letter{0%{opacity:1}to{opacity:0;pointer-events:none}}*,*:before,*:after{box-sizing:border-box}html,body,#app{margin:0;padding:0;min-height:100dvh;font-family:var(--font-cn-sans);color:var(--ink);background:var(--bg-cover);overscroll-behavior:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}button{font-family:inherit;cursor:pointer;border:0;background:transparent;padding:0}input{font-family:inherit;outline:none}a{color:inherit;text-decoration:none}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media (max-width: 768px){.desktop-only{display:none!important}}@media (min-width: 769px){.mobile-only{display:none!important}}.serif-en{font-family:var(--font-en-serif)}.serif-cn{font-family:var(--font-cn-serif)}.sans-cn{font-family:var(--font-cn-sans)}.hand-cn{font-family:var(--font-hand)}.money{font-family:var(--font-en-serif);font-variant-numeric:tabular-nums;font-weight:500;letter-spacing:.02em}.money .currency,.currency{color:var(--gold-deep);font-size:.75em;margin-right:.15em}@media (max-width: 480px){:root{--space-lg: 20px;--space-xl: 32px;--space-2xl: 48px}}@media (max-width: 360px){:root{--space-md: 12px;--space-lg: 16px;--space-xl: 24px}}