:root{color-scheme:dark;--bg:#11151d;--surface:#1a202c;--raised:#222b3a;--text:#edf2fa;--muted:#a0adc0;--line:#ffffff18;--accent:#a8c7fa;--ink:#183253}
html[data-theme=light]{color-scheme:light;--bg:#eef2f7;--surface:#fff;--raised:#f3f6fb;--text:#172b46;--muted:#52657e;--line:#213e661f;--accent:#315f9f;--ink:#fff}
*{box-sizing:border-box}body{margin:0;min-height:100vh;min-height:100dvh;padding:32px 20px;display:grid;place-items:center;background:var(--bg);color:var(--text);font:14px/1.6 "Segoe UI Variable","Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.entry-shell{width:min(660px,100%)}.entry-brand{display:flex;align-items:center;justify-content:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:-.5px}.entry-brand svg{width:28px;height:28px;color:var(--accent)}.entry-heading{text-align:center;margin:34px 0 28px}.entry-heading h1{font-size:34px;line-height:1.3;font-weight:600;letter-spacing:-1px;margin:0 0 12px}.entry-heading p{color:var(--muted);margin:0;font-size:14px}.entry-options{display:grid;grid-template-columns:1fr 1fr;gap:16px}.entry-option{display:block;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:18px;transition:border-color .2s,transform .2s;position:relative}.entry-option.selected{border-color:var(--accent)}.entry-option:hover{transform:translateY(-3px);border-color:var(--accent)}.option-preview{height:122px;border-radius:9px;border:1px solid var(--line);background:var(--raised);padding:12px;position:relative;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.preview-new i{height:10px;width:75%;border-radius:3px;background:var(--accent);opacity:.8}.preview-new i:nth-child(2){width:55%;opacity:.35;grid-column:1}.preview-new i:nth-child(3){height:22px;width:65%;grid-column:1;margin-top:7px;opacity:.7}.preview-new svg{width:88px;height:88px;position:absolute;right:12px;top:18px;stroke:var(--accent);stroke-width:1.25}.preview-old{display:flex;flex-direction:column;justify-content:center;gap:7px}.preview-old i{display:block;width:85%;height:6px;background:var(--muted);opacity:.25;border-radius:2px}.preview-old i:first-child{width:56%;height:13px;background:var(--accent);opacity:.65;margin-bottom:8px}.preview-old i:last-child{height:28px;width:100%;margin-top:7px;border:1px solid var(--line);background:none;opacity:1}.option-title{display:flex;align-items:center;justify-content:space-between;margin:17px 0 5px;font-size:17px;font-weight:600}.option-title svg{width:18px;height:18px;color:var(--muted)}.option-copy{color:var(--muted);font-size:12px;line-height:1.7}.entry-preference{margin:22px 0 0;padding:18px 0;border-bottom:1px solid var(--line)}.entry-preference label{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-size:14px}.entry-preference input{width:17px;height:17px;accent-color:var(--accent);margin:0}.entry-preference small{display:block;color:var(--muted);font-size:12px;margin:6px 0 0 27px}.entry-footer{padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.entry-footer p{margin:0;font-size:12px;color:var(--muted)}.pause-entry{padding:6px 10px;white-space:nowrap;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--text);font-size:12px}.entry-progress{height:2px;background:var(--line);margin-top:20px;overflow:hidden}.entry-progress i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}.is-counting .entry-progress i{animation:entryCountdown var(--entry-countdown-duration,3s) linear both}.entry-direct{text-align:center;font-size:11px;color:var(--muted);margin-top:18px}.entry-direct a{text-decoration:underline;text-underline-offset:3px;margin-inline:8px}.entry-transition{position:fixed;inset:0;display:grid;place-items:center;z-index:10;background:var(--bg);opacity:0;visibility:hidden;transition:opacity .24s,visibility .24s;pointer-events:none}.is-switching .entry-transition{opacity:1;visibility:visible}.transition-inner{text-align:center;padding:30px}.transition-icon{margin:0 auto 22px;width:64px;height:64px;display:grid;place-items:center;border:1px solid var(--line);border-radius:18px;color:var(--accent);background:var(--surface)}.transition-icon svg{width:30px;height:30px}.transition-inner h2{font-size:24px;font-weight:600;margin:0 0 10px}.transition-inner p{color:var(--muted);font-size:13px}.transition-line{width:120px;height:3px;margin:24px auto;background:var(--line);overflow:hidden;border-radius:3px}.transition-line i{display:block;width:45%;height:100%;background:var(--accent);animation:none}.en{display:none}html[data-lang=en] .zh{display:none}html[data-lang=en] .en{display:inline}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.no-anim *{animation:none!important;transition:none!important}@keyframes entryCountdown{to{transform:scaleX(1)}}@keyframes entrySlide{from{transform:translateX(-100%)}to{transform:translateX(330%)}}@media(max-width:480px){body{padding:24px 16px}.entry-heading{margin:26px 0 22px}.entry-heading h1{font-size:28px}.entry-options{gap:10px}.entry-option{padding:12px;border-radius:13px}.option-preview{height:100px;padding:9px}.preview-new svg{width:60px;height:60px;right:3px;top:23px}.option-title{font-size:15px}.option-copy{font-size:11px}.entry-footer{align-items:flex-start}.entry-footer p{max-width:26ch}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.entry-shell{animation:entryReveal .65s ease both}.entry-brand svg{animation:entryLogoFloat 4s ease-in-out infinite}.preview-new svg{animation:entryLogoFloat 5s ease-in-out infinite}.preview-old i{animation:entryLine 4s ease-in-out infinite}.preview-old i:nth-child(2){animation-delay:.3s}.preview-old i:nth-child(3){animation-delay:.6s}.entry-option{overflow:hidden}.entry-option.selected:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(110deg,transparent 25%,#a8c7fa0c 50%,transparent 75%);animation:entrySweep 4s ease-in-out infinite}.entry-option:active{transform:scale(.98)}@keyframes entryReveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes entryLogoFloat{50%{transform:translateY(-5px)}}@keyframes entryLine{50%{opacity:.6}}@keyframes entrySweep{from{transform:translateX(-110%)}to{transform:translateX(110%)}}.no-anim *{animation:none!important;transition:none!important}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.is-switching .transition-line i{animation:entrySlide var(--entry-transition-duration,650ms) linear both}.is-switching .transition-inner{animation:transitionContent .45s ease both}@keyframes transitionContent{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}.no-anim .transition-inner,.no-anim .transition-line i{animation:none!important}@media(prefers-reduced-motion:reduce){.transition-inner,.transition-line i{animation:none!important}}

.pause-entry:disabled{opacity:.55;cursor:default}.entry-timing-help{margin-top:14px;color:var(--muted);font-size:11px;text-align:center;line-height:1.9}.entry-timing-help code{font:inherit;color:var(--text)}