:root{--bg:#f5f7fa;--surface:#fff;--surface-2:#f8fafc;--line:#dfe5ec;--line-strong:#cbd5e1;--text:#1f2937;--muted:#64748b;--accent:#2563eb;--accent-soft:#eff6ff;--success:#059669;--danger:#dc2626;--shadow:0 1px 3px #0f172a0f, 0 8px 24px #0f172a0a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body,html{background:var(--bg)}body{min-height:100vh;color:var(--text);margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}.app-shell{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;justify-content:space-between;height:64px;padding:0 max(24px,50vw - 600px);position:sticky;top:0}.brand,.topbar{align-items:center;display:flex}.brand{color:#0f172a;gap:10px;font-size:1.1rem;font-weight:750}.brand-mark{color:#fff;background:var(--accent);border-radius:8px;place-items:center;width:34px;height:34px;font-size:.95rem;display:grid;box-shadow:0 3px 10px #2563eb38}.desktop-nav{color:#475569;gap:28px;font-size:.9rem}.desktop-nav,.desktop-nav a{align-items:center;height:100%;display:flex}.desktop-nav a{border-bottom:2px solid #0000}.desktop-nav a:hover{color:var(--accent)}.desktop-nav .router-link-active{color:var(--accent);border-color:var(--accent);font-weight:600}.menu-button{color:var(--text);background:0 0;border:0;padding:8px;font-size:1.4rem;display:none}.mobile-nav{gap:6px;display:grid}.mobile-nav a{color:#475569;border-radius:8px;padding:13px 14px}.mobile-nav .router-link-active,.mobile-nav a:hover{color:var(--accent);background:var(--accent-soft)}main{flex:1}.page-container{width:min(1200px,100% - 40px);margin:0 auto;padding:36px 0 48px}.intro-row{justify-content:space-between;align-items:center;gap:32px;margin-bottom:24px;display:flex}.eyebrow{color:var(--accent);letter-spacing:.08em;margin:0 0 8px;font-size:.78rem;font-weight:700}.status-dot{background:var(--success);border-radius:50%;width:7px;height:7px;margin-right:7px;display:inline-block}h1{color:#0f172a;letter-spacing:-.025em;margin:0 0 10px;font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.2}.lead{max-width:720px;color:var(--muted);margin:0;font-size:1rem;line-height:1.7}.security-chip{white-space:nowrap;color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:9px;align-items:center;gap:10px;padding:11px 15px;display:flex}.security-chip>span{font-size:1.1rem}.security-chip div{flex-direction:column;gap:2px;display:flex}.security-chip small{color:#047857;font-size:.75rem}.workspace-grid{grid-template-columns:minmax(350px,.85fr) minmax(0,1.35fr);align-items:start;gap:20px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px}.form-panel,.result-panel{min-height:520px;padding:24px}.panel-heading{border-bottom:1px solid #edf0f4;gap:12px;margin-bottom:22px;padding-bottom:18px;display:flex}.step{width:28px;height:28px;color:var(--accent);background:var(--accent-soft);border-radius:7px;flex:none;place-items:center;font-size:.75rem;font-weight:700;display:grid}.panel-heading h2{color:#0f172a;margin:1px 0 4px;font-size:1.1rem}.panel-heading p{color:var(--muted);margin:0;font-size:.84rem}.algorithm-grid{grid-template-columns:repeat(3,1fr);gap:8px;width:100%;display:grid!important}.algorithm-grid .el-radio-button{width:100%}.algorithm-grid .el-radio-button__inner{color:#334155;background:#fff;flex-direction:column;justify-content:center;align-items:flex-start;gap:5px;width:100%;height:72px;padding:12px;display:flex;border:1px solid var(--line-strong)!important;box-shadow:none!important;border-radius:8px!important}.algorithm-grid small{color:var(--muted);font-size:.72rem}.algorithm-grid .el-radio-button__inner:hover{color:var(--accent);border-color:#93b4f8!important}.algorithm-grid .is-active .el-radio-button__inner{color:var(--accent);background:var(--accent-soft);border-color:var(--accent)!important}.format-row{color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:8px;justify-content:space-between;margin-bottom:18px;padding:12px 13px;font-size:.86rem;display:flex}.format-row strong{color:var(--text)}.generate-button{width:100%;margin-top:20px;font-weight:700;height:46px!important}.empty-result{text-align:center;height:390px;color:var(--muted);place-content:center;display:grid}.empty-result h3{color:var(--text);margin:16px 0 6px;font-size:1.05rem}.empty-result p{margin:0;font-size:.9rem}.key-orbit{width:70px;height:70px;color:var(--accent);background:var(--accent-soft);border:1px solid #bfdbfe;border-radius:50%;place-items:center;margin:auto;font-size:2rem;display:grid}.key-result{gap:14px;display:grid}.code-block,.fingerprint{border:1px solid var(--line);background:#f8fafc;border-radius:8px;overflow:hidden}.fingerprint{gap:6px;padding:12px;display:grid}.code-toolbar,.fingerprint span{color:var(--muted);font-size:.78rem}.fingerprint code{color:#1d4ed8;word-break:break-all}.code-toolbar{border-bottom:1px solid var(--line);background:#f1f5f9;justify-content:space-between;align-items:center;padding:6px 11px;display:flex}pre{color:#334155;white-space:pre-wrap;word-break:break-all;max-height:126px;margin:0;padding:13px;font:500 .78rem/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}.private-block pre{min-height:82px}.result-actions{flex-wrap:wrap;gap:8px;display:flex}.feature-strip{border:1px solid var(--line);background:#fff;border-radius:11px;grid-template-columns:repeat(3,1fr);margin-top:20px;display:grid;box-shadow:0 1px 2px #0f172a08}.feature-strip>div{gap:13px;padding:17px 20px;display:flex}.feature-strip>div+div{border-left:1px solid var(--line)}.feature-strip b{color:var(--accent);font-size:.75rem}.feature-strip span{flex-direction:column;gap:4px;display:flex}.feature-strip strong{font-size:.88rem}.feature-strip small{color:var(--muted);font-size:.78rem}.content-page{padding-top:44px}.content-page>h1{font-size:clamp(1.8rem,4vw,2.5rem)}.tool-grid{grid-template-columns:repeat(2,1fr);gap:14px;margin-top:30px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:20px;transition:border-color .2s,box-shadow .2s;display:grid;box-shadow:0 1px 2px 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1fr;gap:7px 12px;min-width:0;display:grid}.history-list code{color:#1d4ed8;word-break:break-all;grid-column:1/-1}.history-list time{color:var(--muted);grid-column:1/-1;font-size:.8rem}.footer{width:min(1200px,100% - 40px);color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;margin:auto;padding:22px 0;font-size:.82rem;display:flex}.footer a:hover{color:var(--accent)}.el-form-item__label{font-weight:600;color:var(--text)!important}.el-input__wrapper{box-shadow:0 0 0 1px var(--line-strong) inset!important;background:#fff!important}.el-input__wrapper:hover{box-shadow:inset 0 0 0 1px #94a3b8!important}.el-input__wrapper.is-focus{box-shadow:0 0 0 1px var(--accent) inset!important}.el-button--primary{--el-button-bg-color:#2563eb;--el-button-border-color:#2563eb;--el-button-hover-bg-color:#1d4ed8;--el-button-hover-border-color:#1d4ed8}.el-alert{border:1px solid #dbeafe}.el-drawer{background:#fff!important}.el-drawer__title{color:var(--text)!important}@media 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