:root{--bg:#f4f7fb;--card:rgba(255,255,255,.94);--text:#172033;--muted:#667085;--primary:#1769ff;--primary2:#0049c6;--border:#e3e9f2;--warn:#fff7ed;--warn-border:#fed7aa}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#dcebff 0,transparent 35%),linear-gradient(135deg,#f7fbff,#eef3f9);color:var(--text)}.page{max-width:1220px;margin:0 auto;padding:28px}.hero{display:flex;justify-content:space-between;gap:24px;align-items:stretch;padding:28px;border-radius:28px;background:linear-gradient(135deg,#123b7a,#0f67d7);color:white;box-shadow:0 24px 60px rgba(15,48,115,.18)}.hero h1{margin:12px 0 10px;font-size:34px;letter-spacing:-.5px}.hero p{margin:0;line-height:1.7;color:rgba(255,255,255,.86);max-width:760px}.badge{display:inline-block;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.16);font-size:13px}.model-card{min-width:260px;border:1px solid rgba(255,255,255,.18);border-radius:20px;background:rgba(255,255,255,.13);padding:18px;display:flex;flex-direction:column;gap:8px}.model-card span,.muted{color:rgba(255,255,255,.78);font-size:13px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:22px;box-shadow:0 16px 42px rgba(16,30,54,.08)}.result-card{grid-column:1/-1}h2{margin:0 0 10px;font-size:21px}.hint{color:var(--muted);line-height:1.6;margin-top:0}.dropzone{display:flex;align-items:center;justify-content:center;min-height:116px;border:2px dashed #bad2ff;border-radius:18px;background:#f8fbff;cursor:pointer;color:#2762bf;font-weight:700}.dropzone input{display:none}.preview{width:100%;max-height:360px;object-fit:contain;margin-top:14px;border-radius:18px;background:#101828}.hidden{display:none}textarea{width:100%;margin-top:14px;padding:14px 16px;border-radius:16px;border:1px solid var(--border);outline:none;resize:vertical;font-size:15px;background:white;color:var(--text)}textarea:focus{border-color:#7aa7ff;box-shadow:0 0 0 4px rgba(23,105,255,.08)}button{margin-top:14px;border:0;border-radius:16px;padding:13px 18px;font-size:15px;font-weight:800;cursor:pointer}.primary{background:var(--primary);color:white}.primary:hover{background:var(--primary2)}.secondary{background:#e8f0ff;color:#0f4fc7}.status{min-height:22px;margin-top:10px;color:var(--muted);font-size:14px}.warning{padding:12px 14px;background:var(--warn);border:1px solid var(--warn-border);color:#9a3412;border-radius:16px;margin-bottom:14px;line-height:1.6}pre{white-space:pre-wrap;word-wrap:break-word;margin:0;padding:18px;border-radius:18px;background:#0b1020;color:#eef4ff;line-height:1.75;min-height:360px;font-size:15px}@media(max-width:860px){.hero,.grid{display:block}.model-card,.card{margin-top:18px}.page{padding:16px}}