:root{--background:#fff;--foreground:#1c1917;--card:#fff;--primary:#171717;--primary-foreground:#fafaf9;--secondary:#f5f5f4;--muted:#f5f5f4;--muted-foreground:#78716c;--border:#e7e5e4;--input:#e7e5e4;--ring:#a8a29e;--danger:#dc2626;--success:#15803d;--font-sans:"SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;--radius-sm:6px;--radius-md:8px;--radius-lg:12px}[data-theme=dark]{--background:#0c0a09;--foreground:#fafaf9;--card:#1c1917;--primary:#fafaf9;--primary-foreground:#171717;--secondary:#292524;--muted:#292524;--muted-foreground:#a8a29e;--border:#44403c;--input:#44403c;--ring:#78716c;--danger:#f87171;--success:#86efac}*,:before,:after{box-sizing:border-box}html{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--background);color:var(--foreground);margin:0}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.dot-grid-bg{background-color:var(--background);background-image:radial-gradient(#78716c33 1px,#0000 1px);background-size:18px 18px;min-height:100vh}.nav-frosted{z-index:20;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffe0;position:sticky;top:0}[data-theme=dark] .nav-frosted{background:#0c0a09db}.nav-inner{justify-content:space-between;align-items:center;max-width:1180px;height:64px;margin:0 auto;padding:0 24px;display:flex}.brand,.nav-actions{align-items:center;gap:10px;display:inline-flex}.brand{font-size:15px;font-weight:700}.brand-mark{border-radius:var(--radius-sm);background:var(--primary);width:30px;height:30px;color:var(--primary-foreground);justify-content:center;align-items:center;font-size:12px;display:inline-flex}.language-pill,.icon-button{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card);min-height:34px;color:var(--muted-foreground);justify-content:center;align-items:center;display:inline-flex}.language-pill{padding:0 12px;font-size:13px}.icon-button{cursor:pointer;width:34px}.icon-button:hover{color:var(--foreground);background:var(--secondary)}.workspace{max-width:1180px;margin:0 auto;padding:54px 24px 72px}.intro{max-width:760px;margin-bottom:28px}.eyebrow{color:var(--muted-foreground);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:12px;font-weight:700}.intro h1{margin:0;font-size:clamp(34px,6vw,64px);line-height:1.05}.intro p:not(.eyebrow){max-width:680px;color:var(--muted-foreground);margin:16px 0 0;font-size:16px;line-height:1.7}.tool-grid{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:start;gap:18px;display:grid}.panel{border:1px solid var(--border);border-radius:var(--radius-lg);background:#ffffffeb;box-shadow:0 18px 60px #1c191712}[data-theme=dark] .panel{background:#1c1917eb;box-shadow:0 18px 60px #00000042}.generator-panel,.status-panel{padding:22px}.field{gap:8px;margin-bottom:16px;display:grid}.field span,.priority-toggle{color:var(--foreground);font-size:14px;font-weight:650}textarea,select{border:1px solid var(--input);border-radius:var(--radius-md);background:var(--card);width:100%;color:var(--foreground);outline:none}textarea{resize:vertical;min-height:190px;padding:14px;line-height:1.65}select{height:42px;padding:0 12px}textarea:focus,select:focus,.icon-button:focus-visible,.primary-button:focus-visible,.secondary-button:focus-visible,.ghost-button:focus-visible{border-color:var(--ring);outline-offset:2px;outline:2px solid #a8a29e4d}.form-row{grid-template-columns:minmax(0,1fr) minmax(160px,.45fr);gap:14px;display:grid}.priority-toggle{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--secondary);align-items:flex-start;gap:10px;margin:4px 0 16px;padding:12px;display:flex}.priority-toggle input{margin-top:2px}.priority-toggle small{color:var(--muted-foreground);margin-top:4px;font-weight:500;line-height:1.5;display:block}.captcha-box{margin:14px 0}.primary-button,.secondary-button,.ghost-button{border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;min-height:42px;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.primary-button{background:var(--primary);width:100%;color:var(--primary-foreground);font-weight:700}.primary-button:disabled{cursor:not-allowed;opacity:.55}.secondary-button{background:var(--card);color:var(--foreground);border-color:var(--border);padding:0 14px}.ghost-button{width:100%;color:var(--muted-foreground);background:0 0;margin-top:16px}.ghost-button:hover,.secondary-button:hover{background:var(--secondary);color:var(--foreground)}.panel-heading h2{margin:0 0 14px;font-size:24px}.muted{color:var(--muted-foreground);margin:0;line-height:1.7}.metrics-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px;display:grid}.metrics-grid div{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--secondary);min-height:84px;padding:12px}.metrics-grid span{color:var(--muted-foreground);margin-bottom:8px;font-size:12px;display:block}.metrics-grid strong{font-size:28px}.notice{border-radius:var(--radius-md);margin:12px 0;padding:11px 12px;font-size:14px;line-height:1.5}.notice.error{color:var(--danger);background:#dc262614;border:1px solid #dc26263d}.result-block{gap:14px;display:grid}.result-block img{aspect-ratio:1;object-fit:cover;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--secondary);width:100%}.result-actions{flex-wrap:wrap;gap:10px;display:flex}.site-footer{border-top:1px solid var(--border);text-align:center;padding:24px}.site-footer p{color:var(--muted-foreground);margin:0;font-size:12px}@media (max-width:820px){.nav-inner,.workspace{padding-left:16px;padding-right:16px}.brand span:last-child{display:none}.tool-grid,.form-row,.metrics-grid{grid-template-columns:1fr}}