:root{color-scheme:light;--blue:#235fd5;--ink:#172739;--muted:#6f7e91;--line:#dce4ef;--paper:#f5f7fb}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Microsoft YaHei",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}.top{height:96px;margin:0 auto;max-width:1280px;padding:0 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;font-size:19px;font-weight:700}.brand img{height:44px;width:44px;object-fit:contain}.muted{font-weight:400;color:var(--muted)}.domain,.eyebrow{font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--muted)}.landing{max-width:1280px;margin:70px auto 96px;padding:0 44px;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}h1{font-size:clamp(34px,4vw,58px);letter-spacing:-.04em;line-height:1.3;font-weight:650;margin:22px 0}p.lead{font-size:17px;line-height:1.95;color:var(--muted)}.primary{border:0;border-radius:9px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:15px 24px;font-size:15px;font-weight:600;cursor:pointer;margin-top:24px}.primary:hover{background:#1d4fac}.hint{font-size:12px;color:var(--muted);margin-top:20px}.panel{padding:36px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 50px #24416b08}.orbit{height:155px;margin:22px 0 15px;background:radial-gradient(ellipse at center,#e0ecff 0,transparent 67%);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:34px;letter-spacing:.1em;color:var(--blue);font-weight:650}.orbit span{font-size:12px;margin-top:8px;letter-spacing:.18em;color:var(--muted);font-weight:400}.feature{padding:18px 0;border-top:1px solid #eef1f6;display:flex;gap:22px;font-size:15px}.feature b{font-size:12px;color:var(--blue);padding-top:3px}.feature small{display:block;margin-top:4px;font-size:12px;color:var(--muted)}footer{max-width:1192px;margin:auto;padding:25px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.workspace{max-width:1192px;margin:50px auto 90px;min-height:65vh}.workspace h1{font-size:36px}.workspace .lead{font-size:14px}.logout{font-size:13px;color:var(--muted)}.toolbar{display:flex;gap:16px;align-items:center;margin:34px 0 24px;font-size:14px}.toolbar input{max-width:420px;flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;outline-color:var(--blue)}.empty{background:#fff;border:1px dashed #cbd7e8;border-radius:16px;text-align:center;padding:55px 20px;color:var(--muted)}.empty h2{font-size:21px;color:var(--ink)}.empty p{font-size:14px}.empty-symbol{font-size:30px;color:var(--blue)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-card{border:1px solid var(--line);border-radius:14px;padding:25px;background:#fff}.tool-card:hover{border-color:var(--blue)}.tool-card small,.tool-card span{color:var(--blue);font-size:12px}.tool-card h2{font-size:20px}.tool-card p{font-size:14px;color:var(--muted)}[hidden]{display:none!important}:focus-visible{outline:3px solid #87afff;outline-offset:4px}@media(max-width:800px){.top{padding:0 22px;height:80px}.domain{display:none}.landing{grid-template-columns:1fr;margin:42px auto;padding:0 22px;gap:35px}.panel{padding:25px}.workspace{margin:35px 22px}.workspace h1{font-size:30px}.grid{grid-template-columns:1fr}footer{margin:0 22px;gap:15px;flex-wrap:wrap}.toolbar{align-items:flex-start;flex-direction:column}.toolbar input{width:100%}.brand{font-size:16px}.brand img{width:36px;height:36px}}