:root{color-scheme:light;--ink:#242424;--muted:#73706c;--accent:#a7440b;--line:#e9e4de;--bg:#f6f4f0}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}header{max-width:1320px;margin:auto;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}a{color:var(--accent)}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-size:22px;font-weight:650;line-height:1.4}.brand img{width:48px;height:48px;border-radius:50%;object-fit:cover}.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:2px}main{max-width:1320px;margin:auto;padding:32px}.intro{display:flex;justify-content:space-between;align-items:center;padding:10px 0 20px}h1{font-size:28px;line-height:1.45;margin:8px 0 20px;font-weight:600}h2{font-size:18px;font-weight:600;margin:0}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);margin:0}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin-bottom:22px}.login{max-width:500px;margin:8vh auto 4vh;padding:40px}.muted{color:var(--muted)}.small{font-size:12px}.account-bar{display:flex;gap:24px;align-items:center}.account-bar>div{min-width:240px}.account-bar p{margin:18px 0 0}.columns{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px}label{display:block;margin:14px 0 6px;font-size:13px;font-weight:550}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;border:1px solid #d9d4cd;border-radius:7px;padding:10px 12px;background:#fff;color:var(--ink)}textarea{resize:vertical}input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #eab68e;outline-offset:3px}button{background:var(--accent);color:white;border:1px solid var(--accent);border-radius:7px;cursor:pointer;padding:10px 16px;min-height:44px;margin-top:12px}button:disabled{opacity:.45;cursor:not-allowed}button.quiet{background:#fff;color:var(--ink);border-color:var(--line);margin-top:0}.editor>button,.preview>button,.login button{width:100%}.file-label{display:inline-flex;align-items:center;color:var(--accent);border:1px solid var(--line);border-radius:7px;cursor:pointer;padding:8px 10px;margin:0;font-size:12px;min-height:40px}.file-label:focus-within{outline:3px solid #eab68e;outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.uploads{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0}.markdown{font-family:Consolas,"Microsoft YaHei",monospace;font-size:14px;min-height:380px}#cover-preview{width:100%;max-height:160px;object-fit:contain;background:var(--bg);border-radius:6px}.badge{padding:4px 10px;border-radius:20px;background:#fff3e7;color:var(--accent);font-size:11px}.empty{min-height:555px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#faf9f7;border-radius:8px;text-align:center;padding:20px}.empty img{width:90px;height:90px;object-fit:cover;border-radius:50%;margin-bottom:12px}iframe{width:100%;height:650px;border:1px solid var(--line);border-radius:8px;background:#fff}.history .row,.article-row,.token-row{padding:14px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.row p{margin:0}.row code{font-size:11px;word-break:break-all}summary{cursor:pointer;font-weight:550;min-height:24px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:24px}.actions{display:flex;gap:12px;align-items:center}.actions .quiet{margin-top:12px}fieldset{border:1px solid var(--line);border-radius:7px;margin:16px 0;padding:10px 14px}legend{font-size:13px}.check{display:flex;align-items:center;gap:8px;font-weight:400}.check input{width:auto}.token-row{font-size:13px}#token-value{word-break:break-all}#message{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:min(700px,90vw);padding:12px 20px;background:#242424;color:white;border-radius:8px;z-index:10;box-shadow:0 6px 24px #0002;display:none}#message.visible{display:block}footer{padding:16px 32px 30px;text-align:center;font-size:12px;color:var(--muted)}@media(max-width:800px){header{padding:18px 20px}main{padding:20px}.columns,.settings-grid{grid-template-columns:1fr;gap:0}.intro{display:block}.intro>p{font-size:13px}h1{font-size:24px}.card{padding:20px}.login{padding:28px}.account-bar{display:block}.account-bar>div{min-width:0}.settings-grid>div{margin-top:30px}.empty{min-height:360px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}