:root{color-scheme:light;--primary: #9254de;--primary-strong: #6d28b8;--primary-soft: #f0e7fb;--text: #2b2735;--text-secondary: #5f5872;--bg: #f7f5fb;--bg-glow: rgba(146, 84, 222, .1);--card: #ffffff;--border: #eae4f4;--upload-from: #f3ebfd;--upload-to: #e7d9fa;--upload-border: #c9aef0;--shadow-card: 0 2px 10px rgba(80, 60, 120, .05);--shadow-upload: 0 6px 18px rgba(146, 84, 222, .12);--shadow-upload-hover: 0 12px 26px rgba(146, 84, 222, .2)}:root[data-theme=dark]{color-scheme:dark;--primary: #b388f0;--primary-strong: #cba8f5;--primary-soft: #2b2140;--text: #e9e4f2;--text-secondary: #a79dba;--bg: #14101c;--bg-glow: rgba(179, 136, 240, .08);--card: #1f1929;--border: #342a47;--upload-from: #2a2040;--upload-to: #241b36;--upload-border: #5b4480;--shadow-card: 0 2px 12px rgba(0, 0, 0, .3);--shadow-upload: 0 6px 18px rgba(0, 0, 0, .35);--shadow-upload-hover: 0 12px 26px rgba(0, 0, 0, .45)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1000px 400px at 80% -10%,var(--bg-glow),transparent),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .25s ease,color .25s ease}code{font-family:SF Mono,Menlo,Consolas,monospace;background:var(--primary-soft);border-radius:6px;padding:2px 8px;font-size:.9em}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:840px;margin:0 auto;padding:56px 24px 48px}.theme-toggle{position:fixed;top:18px;right:18px;z-index:10;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-card);font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s ease,background-color .25s ease}.theme-toggle:hover{transform:scale(1.08)}.header{text-align:center;margin-bottom:40px}.title{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;margin:0;font-size:32px;font-weight:700;letter-spacing:.5px}.title img{width:46px;height:46px}.title em{font-style:normal;background:linear-gradient(120deg,var(--primary),#c39bf2);-webkit-background-clip:text;background-clip:text;color:transparent}.version{font-size:13px;font-weight:600;color:var(--primary-strong);background:var(--primary-soft);border:1px solid var(--border);padding:3px 12px;border-radius:999px}.tagline{margin:12px 0 0;font-size:15px;color:var(--text-secondary)}.upload-block{display:flex;align-items:center;justify-content:center;gap:12px;padding:36px 20px;border-radius:16px;border:1.5px dashed var(--upload-border);background:linear-gradient(120deg,var(--upload-from),var(--upload-to));color:var(--primary-strong);font-size:20px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none;box-shadow:var(--shadow-upload);transition:transform .18s ease,box-shadow .18s ease}.upload-block:hover,.upload-block:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-upload-hover);outline:none}.upload-block.loading{pointer-events:none;opacity:.85}.spinner{width:20px;height:20px;border:3px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.demonstration{display:flex;flex-direction:column;gap:20px;margin-top:40px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 28px;box-shadow:var(--shadow-card);transition:background-color .25s ease,border-color .25s ease}.card h2,.card summary{display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:19px;font-weight:700}.card h2:before,.card summary:before{content:"";flex:none;width:4px;height:18px;border-radius:2px;background:var(--primary)}.card p{margin:0;color:var(--text-secondary)}.card ul{margin:0;padding-left:1.3em;color:var(--text-secondary)}.card li+li{margin-top:8px}.card strong{color:var(--text)}.notice{background:var(--primary-soft);border-radius:10px;padding:12px 16px}.notice strong{color:var(--primary-strong)}details.card{padding:0}details.card summary{cursor:pointer;list-style:none;margin:0;padding:24px 28px;-webkit-user-select:none;user-select:none}details.card summary::-webkit-details-marker{display:none}details.card summary .chevron{margin-left:auto;font-size:13px;color:var(--text-secondary);transition:transform .2s ease}details.card[open] summary .chevron{transform:rotate(90deg)}details.card summary .latest{margin-left:8px;font-size:13px;font-weight:500;color:var(--text-secondary)}details.card ul{padding:0 28px 24px calc(28px + 1.3em)}.footer{margin-top:48px;text-align:center;font-size:14px;color:var(--text-secondary)}.footer p{margin:4px 0}@media(max-width:640px){.container{padding:40px 16px}.title{font-size:25px}.upload-block{font-size:17px;padding:28px 16px}.card,details.card summary{padding:20px}details.card ul{padding:0 20px 20px calc(20px + 1.3em)}}