:root{--brand: #2563eb;--brand-dark: #1d4ed8;--brand-light: #eff6ff;--ink: #1f2937;--ink-2: #6b7280;--line: #e5e7eb;--bg: #f6f7fb;--card: #ffffff;--ok: #16a34a;--ok-bg: #f0fdf4;--warn: #d97706;--danger: #dc2626;--danger-bg: #fef2f2;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 14px rgba(0, 0, 0, .05)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.5}#root{min-height:100vh}a{color:var(--brand);text-decoration:none}button{font-family:inherit}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:10px 20px;height:56px}.brand{display:flex;align-items:center;gap:10px}.brand-logo{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-weight:700;font-size:15px;width:34px;height:34px;border-radius:9px;display:grid;place-items:center}.brand-text{font-weight:700;color:var(--ink);font-size:17px}.brand-text em{font-style:normal;color:var(--ink-2);font-weight:400;font-size:13px}.topnav{display:flex;gap:4px}.topnav a{padding:7px 13px;border-radius:8px;color:var(--ink);font-size:14px;font-weight:500}.topnav a:hover{background:var(--brand-light);color:var(--brand-dark)}.main{flex:1;width:100%;max-width:980px;margin:0 auto;padding:20px 16px 40px}.footer{border-top:1px solid var(--line);background:#fff;margin-top:auto}.privacy-banner{max-width:980px;margin:0 auto;padding:14px 20px;font-size:13px;color:var(--ink-2)}.footer-meta{max-width:980px;margin:0 auto;padding:6px 20px 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0}.dropzone:hover,.dropzone.dragging{border-color:var(--brand);background:var(--brand-light)}.dropzone.disabled{opacity:.6;cursor:not-allowed}.dz-icon{font-size:34px;margin-bottom:8px}.dz-label{font-weight:600;color:var(--ink);font-size:16px}.dz-sub{color:var(--ink-2);font-size:14px;margin-top:4px}.dz-hint{color:var(--brand);font-size:13px;margin-top:10px}.dz-error{color:var(--danger);font-size:13px;margin-top:8px}.loading-box{text-align:center;padding:40px;color:var(--ink-2)}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 16px;border-radius:8px;font-size:14px;cursor:pointer;transition:all .15s;font-weight:500}.btn:hover{border-color:#d1d5db}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-dark)}.btn.primary.big{padding:11px 26px;font-size:15px}.btn.ghost{background:transparent}.btn.ghost.small{padding:4px 10px;font-size:13px}.btn.danger{color:var(--danger);border-color:#fecaca;background:var(--danger-bg)}.btn.mt{margin-top:10px}.action-row{display:flex;gap:10px;align-items:center;margin:18px 0;flex-wrap:wrap}.hint-tip{color:var(--ink-2);font-size:13px;margin:8px 0}.muted{color:var(--ink-2);font-size:13px}.sortlist{list-style:none;margin:12px 0;padding:0}.sortitem{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 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0}.crop-preview{max-width:100%;max-height:420px;border-radius:10px;border:1px solid var(--line);margin:10px auto;display:block}@media (max-width: 640px){.brand-text em{display:none}.tool-grid{grid-template-columns:1fr}.main{padding:14px 12px 32px}.hero{padding:28px 12px 22px}.pc-thumb{height:130px}.imgtable td,.imgtable th{padding:8px;font-size:12.5px}.tname{max-width:110px}.topnav a{font-size:13px;padding:6px 9px}.footer-meta{flex-direction:column}}@media (max-width: 400px){.imgtable{font-size:12px}}