:root{--teal: #0b7a6b;--teal-deep: #07544a;--teal-ink: #0d3b36;--teal-soft: #e4f2ee;--paper: #fbf7ee;--paper-2: #fffdf7;--ink: #14322e;--muted: #5f7470;--accent: #e07a3f;--shadow: 0 18px 40px -18px rgba(7, 84, 74, .35)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 15% -10%,var(--teal-soft),transparent 60%),radial-gradient(900px 500px at 100% 0%,#f6eee0,transparent 55%),var(--paper);-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 40px}.brand{display:flex;align-items:center;gap:12px}.brand .logo{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;font:700 24px/1 Georgia,serif;display:grid;place-items:center;box-shadow:var(--shadow)}.brand b{font-size:22px;letter-spacing:.5px;color:var(--teal-ink)}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.topbar nav{display:flex;gap:10px}.btn{border:1px solid var(--teal);background:transparent;color:var(--teal-deep);padding:9px 16px;border-radius:999px;cursor:pointer;font-size:14px;font-weight:600;transition:.18s}.btn:hover{background:var(--teal);color:#fff}.btn.primary{background:var(--teal);color:#fff;box-shadow:var(--shadow)}.btn.primary:hover{background:var(--teal-deep)}.btn.ghost{border-color:#d8e0dd;color:var(--muted)}.btn.ghost:hover{background:#eef4f2;color:var(--teal-ink)}.hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px 90px}.hero h1{font-family:Songti SC,Georgia,Times New Roman,serif;font-size:clamp(34px,5.4vw,60px);line-height:1.18;margin:0 0 22px;color:var(--teal-ink);font-weight:600;letter-spacing:1px}.hero h1 b{color:var(--teal);position:relative}.hero 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solid var(--teal-soft);border-top-color:var(--teal);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.analyzing h2{color:var(--teal-ink);margin:0;font-family:Songti SC,serif}.analyzing .stage{color:var(--teal);font-weight:600}.progress{width:min(420px,80vw);height:8px;background:var(--teal-soft);border-radius:999px;overflow:hidden}.progress .bar{height:100%;background:linear-gradient(90deg,var(--teal),#2aa88f);transition:width .3s}.analyzing .hint{color:var(--muted);font-size:13px}.workspace{flex:1;padding:10px 40px 60px}.workspace-actions{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px}.w-title{font-family:Songti SC,serif;font-size:20px;color:var(--teal-ink);font-weight:700}.w-btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.w-btns .btn{padding:7px 14px;font-size:13px}.w-btns .sep{width:1px;height:20px;background:#d8e0dd;margin:0 6px}.w-btns .chk{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:5px;cursor:pointer}.editor-wrap{background:var(--paper-2);border:1px solid #ebe3d2;border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 18px;background:linear-gradient(90deg,var(--teal-soft),#fff);border-bottom:1px solid #e3efe9}.ed-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.ed-meta b{color:var(--teal-ink);font-size:16px}.ed-meta span{color:var(--muted);font-size:13px}.ed-count{background:var(--teal-soft);padding:3px 10px;border-radius:999px;color:var(--teal-deep)}.ed-controls{display:flex;gap:6px}.ed-controls button{border:1px solid var(--teal);background:#fff;color:var(--teal-deep);padding:6px 11px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;transition:.15s}.ed-controls button:hover{background:var(--teal);color:#fff}.ed-controls 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