:root{--bg:#f5f1e8;--paper:#fff9ec;--ink:#1f2b30;--muted:#52656e;--primary:#d75a31;--primary-deep:#ac3f1d;--line:#d8cbb7;--ok:#1f8b5d;--warn:#bd6a00}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 15% 10%,#f9e4c8 0,var(--bg) 40%),linear-gradient(130deg,#f6efe3 0,#ece6dc 100%);color:var(--ink);font-family:IBM Plex Sans,Noto Sans SC,PingFang SC,sans-serif}a{color:inherit;text-decoration:none}.page{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1120px,92vw);margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:color-mix(in srgb,var(--paper) 78%,transparent);border-bottom:1px solid var(--line)}.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-family:ZCOOL QingKe HuangYou,Ma Shan Zheng,KaiTi,cursive;font-size:28px;letter-spacing:1px}.nav{display:flex;gap:18px;color:var(--muted);font-weight:600}.hero{padding:78px 0 48px}.hero-card{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:38px;box-shadow:0 20px 40px rgba(57,40,15,.1)}.hero h1{margin:0;font-size:clamp(32px,6vw,56px);line-height:1.1}.hero p{font-size:18px;color:var(--muted);line-height:1.7}.hero-actions{display:flex;gap:12px;margin-top:22px}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:700;cursor:pointer}.btn.primary{color:#fff;background:linear-gradient(180deg,var(--primary),var(--primary-deep))}.btn.secondary{color:var(--primary-deep);background:#fff;border:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px;margin:26px 0}.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:16px}.section-title{font-size:24px;margin:6px 0 16px}.workspace{padding:22px 0 40px}.workspace-layout{display:grid;grid-template-columns:260px 1fr;grid-gap:16px;gap:16px}.sidebar{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px}.sidebar a{display:block;padding:10px;border-radius:10px;color:var(--muted);font-weight:600}.sidebar a:hover{background:#f7eedf;color:var(--ink)}.panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;font:inherit}textarea{min-height:118px;resize:vertical}.result{margin-top:12px;background:#fff;border:1px dashed var(--line);border-radius:12px;padding:12px;white-space:pre-wrap;line-height:1.65}.muted{color:var(--muted)}.status-ok{color:var(--ok)}.status-warn{color:var(--warn)}@media (max-width:980px){.form-grid,.grid,.workspace-layout{grid-template-columns:1fr}}