:root{--ink: #2f2a24;--ink-light: #8c8577;--paper: #f7f4ee;--card: #fffdf9;--accent: #9a6b3f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}.serif{font-family:"Noto Serif SC","Source Han Serif SC",Songti SC,SimSun,serif}.page-center,.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:380px;padding:32px 8px 8px}.login-title{text-align:center;font-size:34px;letter-spacing:8px;margin-bottom:4px}.login-sub{text-align:center;color:var(--ink-light);margin-bottom:24px;letter-spacing:2px}.home-header{max-width:960px;margin:0 auto;padding:28px 16px 8px;display:flex;align-items:center;justify-content:space-between}.home-title{font-size:28px;letter-spacing:6px;margin:0}.home-user{display:flex;align-items:center;gap:12px;color:var(--ink-light);font-size:13px}.home-body{max-width:960px;margin:0 auto;padding:8px 16px 48px}.book-card{background:var(--card);border:1px solid #e8e2d6;border-radius:10px;padding:18px 20px;margin-bottom:14px;box-shadow:0 1px 3px #5a46280f}.book-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}.book-name{font-size:19px;margin:0}.book-meta{color:var(--ink-light);font-size:13px;margin-top:6px;display:flex;gap:14px;flex-wrap:wrap}.book-actions{margin-top:12px;display:flex;justify-content:space-between;align-items:center}.copy-wrap{max-width:860px;margin:0 auto;padding:16px 16px 64px}.copy-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}.copy-stats{display:flex;align-items:center;gap:16px;color:var(--ink-light);font-size:13px;flex-wrap:wrap}.chapter-title{text-align:center;color:var(--accent);font-size:15px;letter-spacing:3px;margin:8px 0 14px}.source-box{background:var(--card);border:1px solid #e8e2d6;border-radius:10px;padding:26px 30px;font-size:22px;line-height:2.1;min-height:120px;letter-spacing:.5px}.src-todo{color:#c9c2b2}.src-ok{color:var(--ink)}.src-bad{color:#d4380d;background:#fff1e8;border-radius:2px}.src-caret{border-left:2px solid var(--accent);margin-left:-1px;animation:blink 1s step-start infinite}@keyframes blink{50%{border-color:transparent}}.input-box{margin-top:18px}.input-box textarea{font-family:"Noto Serif SC","Source Han Serif SC",Songti SC,SimSun,serif!important;font-size:20px!important;line-height:1.9!important}.copy-footer{margin-top:14px;display:flex;justify-content:space-between;align-items:center;color:var(--ink-light);font-size:13px;flex-wrap:wrap;gap:10px}.complete-title{text-align:center;font-size:22px;margin-bottom:16px}.complete-row{display:flex;justify-content:space-between;padding:8px 4px;font-size:15px}