:root { color-scheme: light; --ivory: #405647; --rose: #ae7988; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: #fbf8f2; color: var(--ivory); font-family: "Noto Serif SC", "Songti SC", SimSun, serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--rose); outline-offset: 8px; }
.welcome-page { position: relative; display: flex; flex-direction: column; min-height: 100svh; isolation: isolate; }
.heart-background { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: radial-gradient(ellipse at 72% 45%, #f1e2e4, #fbf8f2 68%); }
#heart-universe { position: absolute; inset: 0; width: 100%; height: 100%; }
.heart-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 72% 47%, #c886970a, transparent 35%); }
.welcome-header, .welcome-main, .welcome-footer { position: relative; z-index: 1; }
.welcome-header { padding: 30px 6%; }
.welcome-brand { display: inline-flex; align-items: center; gap: 12px; font-size: 16px; letter-spacing: 2px; }
.welcome-brand > span { color: var(--rose); font: 28px Georgia, serif; }
.welcome-main { width: min(1180px, 88%); margin: auto; padding: 30px 0; transition: opacity .45s; }
.welcome-eyebrow { color: #979783; font: 9px/1.8 Arial, "Microsoft YaHei", sans-serif; letter-spacing: 3px; margin: 0 0 23px; }
.welcome-tiny-star { display: block; color: #b6939b; font: 22px Georgia, serif; margin-bottom: 20px; }
h1 { margin: 0; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.55; letter-spacing: 2px; font-weight: 400; }
h1 em { color: var(--rose); font-style: normal; }
.welcome-description { color: #7d8374; font: 12px/2.2 "Microsoft YaHei", sans-serif; margin: 27px 0 29px; }
.welcome-enter { display: inline-flex; align-items: center; gap: 45px; padding: 13px 15px 13px 25px; border: 1px solid #4e6855; background: #4e6855; color: #fffdf7; border-radius: 2px; font: 12px/1.8 "Microsoft YaHei", sans-serif; letter-spacing: 2px; transition: background .3s, border-color .3s; }
.welcome-enter:hover { background: #3e5644; border-color: #3e5644; }
.enter-arrow { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: #fffdf7; color: #4e6855; font-size: 18px; transition: rotate .3s; }
.welcome-enter:hover .enter-arrow { rotate: 45deg; }
.welcome-whisper { margin: 25px 0 0; color: #a48e88; font: italic 14px/1.8 Georgia, serif; }
.welcome-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 25px 6%; color: #919480; font: 8px/1.8 Arial, "Microsoft YaHei", sans-serif; letter-spacing: 2px; }
.welcome-footer p { margin: 0; display: flex; align-items: center; gap: 12px; }
.footer-line { width: 30px; height: 1px; background: #b0a39150; }
.welcome-curtain { position: fixed; inset: 0; z-index: 5; background: #fbf8f2; opacity: 0; pointer-events: none; transition: opacity .7s ease .25s; }
.welcome-entering .welcome-curtain { opacity: 1; pointer-events: auto; }
.welcome-entering .welcome-main { opacity: 0; }
@media (max-width: 700px) {
  .heart-background { background: radial-gradient(ellipse at 50% 28%, #f1e2e4, #fbf8f2 65%); }
  .heart-glow { background: radial-gradient(ellipse at 50% 28%, #c886970a, transparent 40%); }
  .welcome-header { padding: 23px 6%; }
  .welcome-brand { font-size: 14px; letter-spacing: 1px; gap: 8px; }
  .welcome-main { width: 92%; text-align: center; padding: 230px 0 15px; }
  .welcome-eyebrow { font-size: 7px; letter-spacing: 2px; margin-bottom: 17px; }
  .welcome-tiny-star { display: none; }
  h1 { font-size: clamp(29px, 7.8vw, 39px); line-height: 1.5; letter-spacing: 1px; }
  .welcome-description { font-size: 10px; margin: 19px 0 22px; }
  .welcome-enter { font-size: 11px; gap: 30px; padding: 11px 12px 11px 20px; }
  .welcome-whisper { font-size: 12px; margin-top: 19px; }
  .welcome-footer { padding: 22px 6%; font-size: 7px; letter-spacing: 1px; }
  .space-hint { display: none !important; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }