:root{--bg:#0f1226;--bg2:#161a3a;--card:#fff;--ink:#1c2030;--muted:#6b7280;--line:#e7e9f2;--brand:#6d5efc;--brand2:#18c2a8;--mark:#fff1a8}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#f4f5fb;line-height:1.6}.wrap{max-width:920px;margin:0 auto;padding:0 16px 48px}.hero{background:linear-gradient(135deg,var(--bg) 0,var(--bg2) 60%,#2a1f5e 100%);color:#fff;border-radius:0 0 28px 28px;padding:40px 16px 34px;margin:0 -16px 22px;box-shadow:0 10px 30px rgba(40,30,120,.25)}.hero-inner{max-width:920px;margin:0 auto;text-align:center}.logo{display:inline-block;font-size:14px;letter-spacing:2px;padding:4px 12px;border-radius:999px;background:hsla(0,0%,100%,.14);margin-bottom:12px}.hero h1,.logo{font-weight:800}.hero h1{margin:0 0 8px;font-size:32px}.sub{margin:0;color:#c9cdf0;font-size:14px}.tabs{display:flex;gap:8px;justify-content:center;margin-bottom:18px}.tab{border:none;cursor:pointer;padding:10px 22px;border-radius:999px;background:#fff;color:var(--muted);font-size:15px;font-weight:600;box-shadow:0 2px 8px rgba(20,20,60,.06)}.tab.on{background:var(--brand);color:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 24px rgba(20,20,60,.06)}.label{display:block;font-weight:700;margin-bottom:8px}.input{width:100%;min-height:130px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:15px;line-height:1.7;font-family:inherit;outline:none}.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,94,252,.15)}.stat{display:flex;align-items:center;justify-content:space-between;margin:14px 0 6px;color:var(--brand)}.btn,.stat{font-weight:700}.btn{border:none;cursor:pointer;background:var(--brand);color:#fff;padding:9px 16px;border-radius:10px;font-size:14px}.btn.ghost{background:#eef0ff;color:var(--brand)}.preview{background:#fafbff;border:1px dashed var(--line);border-radius:12px;padding:14px;font-size:15px;margin-top:8px}mark{background:var(--mark);padding:0 3px;border-radius:4px;cursor:help}.hits{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-top:14px}.hit{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}.hit-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.hit-word{font-weight:800;font-size:16px;color:var(--brand)}.hit-plain{margin:6px 0;font-weight:600}.hit-ex{font-size:13px;color:var(--muted)}.tag{font-size:12px;color:var(--brand2);background:#e7fbf6;padding:2px 8px;border-radius:999px;white-space:nowrap}.empty{color:var(--muted);text-align:center;padding:18px}.rand{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(135deg,#f3f0ff,#e9fbf6);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:16px}.rand-label{font-size:12px;color:var(--muted);font-weight:700}.rand-word{font-size:22px;font-weight:800;color:var(--brand);margin:2px 0}.rand-plain{font-weight:600}.rand-ex{font-size:13px;color:var(--muted);margin-top:4px}.searchbar{margin-bottom:12px}.search{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none;font-family:inherit}.search:focus{border-color:var(--brand)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.chip{border:1px solid var(--line);background:#fff;cursor:pointer;padding:6px 13px;border-radius:999px;font-size:13px;color:var(--muted)}.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}.grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.item{border:1px solid var(--line);border-radius:12px;padding:12px 14px}.item-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.item-word{font-weight:800;color:var(--brand)}.item-plain{margin:6px 0;font-weight:600;font-size:14px}.foot,.item-ex{font-size:13px;color:var(--muted)}.foot{text-align:center;margin-top:26px}@media (max-width:640px){.grid,.hits{grid-template-columns:1fr}.hero h1{font-size:26px}.rand{flex-direction:column;align-items:flex-start}}