:root{--copyra-bg:#fafbfc;--copyra-surface:#fff;--copyra-secondary:#f1f5f9;--copyra-text:#0f172a;--copyra-muted:#748096;--copyra-border:#e2e8f0;--copyra-tint:#eff4ff;--copyra-blue:#4b76ec;--copyra-gradient:linear-gradient(135deg,#3b82f6,#6366f1,#8b5cf6)}:root.dark{--copyra-bg:#06080d;--copyra-surface:#0f1420;--copyra-secondary:#0d1117;--copyra-text:#e6edf5;--copyra-muted:#8897af;--copyra-border:#202a3c;--copyra-tint:#151f38;--copyra-blue:#8aaaff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--copyra-bg);color:var(--copyra-text);margin:0;font-family:Arial,Microsoft YaHei,sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button{border:1px solid var(--copyra-border);background:0 0;border-radius:9px;padding:9px 13px;transition:background .18s,transform .18s}button:hover:not(:disabled){background:var(--copyra-tint)}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--copyra-blue);outline-offset:3px}header{border-bottom:1px solid var(--copyra-border);background:color-mix(in srgb,var(--copyra-surface) 75%,transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);height:76px}.header-inner{align-items:center;gap:40px;max-width:1240px;height:100%;margin:auto;padding:0 28px;display:flex}.brand{letter-spacing:-.7px;align-items:center;gap:9px;font-size:22px;font-weight:800;display:flex}.brand span{background:var(--copyra-gradient);color:#0000;-webkit-background-clip:text;background-clip:text}.brand b{letter-spacing:0;font-size:17px;font-weight:500}nav{color:var(--copyra-muted);align-items:center;gap:30px;margin-left:auto;font-size:13px;display:flex}nav .active{color:var(--copyra-blue);background:var(--copyra-tint);border-radius:8px;padding:9px 16px}.theme{padding:7px 10px;font-size:21px;line-height:20px}main{max-width:1240px;margin:auto;padding:0 28px}.hero{text-align:center;padding:55px 0 40px;position:relative}.hero:before{content:"";z-index:-1;background:radial-gradient(at 50% 45%,#6366f112,#0000 70%);position:absolute;inset:0 15%}.eyebrow{border:1px solid var(--copyra-border);color:var(--copyra-muted);background:var(--copyra-surface);border-radius:30px;align-items:center;gap:8px;padding:7px 13px;font-size:11px;display:inline-flex}i{background:#40ba92;border-radius:100%;width:6px;height:6px;display:inline-block}h1{letter-spacing:-2px;margin:21px 0 14px;font-size:48px;line-height:1.2}h1 span{background:var(--copyra-gradient);color:#0000;-webkit-background-clip:text;background-clip:text}.hero>p{color:var(--copyra-muted);letter-spacing:1px;font-size:15px}.trust{color:var(--copyra-muted);justify-content:center;gap:26px;margin-top:25px;font-size:11px;display:flex}.categories{border-bottom:1px solid var(--copyra-border);color:var(--copyra-muted);white-space:nowrap;align-items:center;gap:26px;margin-bottom:25px;font-size:13px;display:flex;overflow-x:auto}.categories>span{padding:17px 3px}.categories .selected{border-bottom:2px solid var(--copyra-blue);color:var(--copyra-blue);font-weight:600}.categories small{background:var(--copyra-secondary);border-radius:4px;margin-left:7px;padding:3px 5px;font-size:9px;font-weight:400}.workspace{grid-template-columns:246px minmax(0,1fr);gap:24px;scroll-margin-top:20px;display:grid}aside{flex-direction:column;gap:16px;display:flex}.aside-title{justify-content:space-between;align-items:center;padding:6px 2px;font-weight:600;display:flex}.aside-title>span{color:var(--copyra-muted);font-size:10px;font-weight:400}.search{background:var(--copyra-surface);color:var(--copyra-text);border:1px solid var(--copyra-border);border-radius:9px;width:100%;padding:11px 12px;font-size:12px}.tool-list{flex-direction:column;gap:7px;display:flex}.tool{text-align:left;border:1px solid #0000;align-items:center;gap:12px;width:100%;padding:13px 11px;display:flex}.tool.chosen{border-color:color-mix(in srgb,var(--copyra-blue) 30%,transparent);background:var(--copyra-tint)}.tool-icon{background:var(--copyra-surface);border:1px solid var(--copyra-border);color:var(--copyra-muted);border-radius:9px;flex-shrink:0;place-items:center;width:37px;height:37px;font-family:monospace;font-size:15px;font-weight:700;display:grid}.chosen .tool-icon{background:var(--copyra-gradient);color:#fff;border:0}.tool strong{font-size:13px;font-weight:600;display:block}.tool 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9px;font-size:10px}.local-badge i{width:5px;height:5px;margin-right:5px}.description{color:var(--copyra-muted);min-height:44px;margin:14px 0 23px;font-size:12px;line-height:1.9}.controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:40px;margin-bottom:18px;display:flex}.segments{background:var(--copyra-secondary);border-radius:9px;gap:3px;padding:4px;display:flex}.segments button{color:var(--copyra-muted);border:0;border-radius:6px;padding:7px 24px;font-size:12px}.segments .on{background:var(--copyra-surface);color:var(--copyra-blue);box-shadow:0 1px 5px #00000009}.controls label{color:var(--copyra-muted);align-items:center;gap:6px;font-size:11px;display:flex}.bases{align-items:center;gap:8px;display:flex}.bases select{background:var(--copyra-surface);color:var(--copyra-text);border:1px solid var(--copyra-border);border-radius:6px;padding:6px}.editors{grid-template-columns:1fr 1fr;gap:15px;display:grid}.editor{border:1px solid var(--copyra-border);border-radius:11px;min-width:0;overflow:hidden}.editor-top{background:var(--copyra-secondary);justify-content:space-between;align-items:center;gap:5px;min-height:43px;padding:11px 12px;display:flex}.editor-top label{font-size:11px;font-weight:600}.editor-top button{color:var(--copyra-muted);border:0;padding:0 0 0 12px;font-size:10px}.auto{color:var(--copyra-muted);font-size:9px}textarea{resize:vertical;background:var(--copyra-surface);width:100%;min-height:245px;color:var(--copyra-text);overflow-wrap:anywhere;border:0;padding:17px 14px;font:12px/1.9 Consolas,Microsoft YaHei,monospace;display:block}textarea::placeholder{color:var(--copyra-muted);opacity:.65}textarea:focus-visible{outline-offset:-2px}.output textarea{background:color-mix(in srgb,var(--copyra-tint) 24%,var(--copyra-surface))}.editor-bottom{color:var(--copyra-muted);border-top:1px solid var(--copyra-border);justify-content:space-between;padding:10px 13px;font-size:9px;display:flex}.actions{flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:17px;display:flex}.actions button{font-size:11px}.actions>div{gap:9px;display:flex}.actions .swap{color:var(--copyra-muted);border:0;padding-left:0}.primary{background:var(--copyra-gradient);color:#fff;border:0;padding:11px 18px;box-shadow:0 3px 12px #6366f120}.primary:hover:not(:disabled){background:var(--copyra-gradient);transform:translateY(-1px)}.tip{background:var(--copyra-secondary);color:var(--copyra-muted);border-radius:8px;gap:8px;margin-top:23px;padding:12px;font-size:10px;line-height:1.7;display:flex}.tip>span{color:var(--copyra-blue)}.error{color:#e05b64;font-size:12px;line-height:1.8}.invalid{border-color:#e05b64}.bottom-note{text-align:center;padding:40px 0 34px}.bottom-note span{letter-spacing:3px;color:var(--copyra-muted);font-size:10px}.bottom-note p{color:var(--copyra-muted);margin-top:10px;font-size:12px}footer{border-top:1px solid var(--copyra-border);max-width:1184px;color:var(--copyra-muted);align-items:center;gap:20px;margin:auto;padding:22px 0;font-size:10px;display:flex}.footer-brand{color:var(--copyra-blue);font-size:14px;font-weight:700}footer>span:last-child{margin-left:auto}.toast{background:var(--copyra-text);color:var(--copyra-bg);border-radius:10px;padding:12px 20px;font-size:13px;position:fixed;bottom:25px;left:50%;transform:translate(-50%);box-shadow:0 5px 25px #0002}.toast:empty{display:none}.empty{color:var(--copyra-muted);font-size:12px}@media (min-width:1450px){.hero{padding-top:70px;padding-bottom:50px}textarea{min-height:290px}}@media (max-width:900px){.workspace{grid-template-columns:190px minmax(0,1fr);gap:16px}.panel{padding:20px}.editors{grid-template-columns:1fr}textarea{min-height:180px}.categories{gap:18px}footer{margin:0 28px}}@media (max-width:600px){main{padding:0 16px}.header-inner{gap:15px;padding:0 16px}.brand{font-size:20px}.brand b{font-size:13px}nav{gap:10px}nav 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(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}header{z-index:30;height:60px;position:sticky;top:0}.header-inner{gap:25px;max-width:none;padding:0 24px}.brand{font-size:21px}nav .nav-home{background:var(--copyra-tint);color:var(--copyra-blue);border:0;padding:8px 14px;font-size:12px}.directory-main{max-width:none;min-height:calc(100vh - 117px);margin:0 0 0 56px;padding:0 24px 24px}.page-bar{justify-content:space-between;align-items:center;gap:16px;padding:16px 0;display:flex}.breadcrumbs{color:var(--copyra-muted);align-items:center;gap:12px;font-size:12px;display:flex}.breadcrumbs button{color:var(--copyra-blue);border:0;padding:0}.directory-search{border:1px solid var(--copyra-border);background:var(--copyra-surface);width:310px;max-width:50%;color:var(--copyra-text);border-radius:8px;padding:9px 12px;font-size:12px}.directory{border:1px solid 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4px;font-size:9px}.promo-brand{letter-spacing:-.5px;background:var(--copyra-gradient);color:#0000;-webkit-background-clip:text;background-clip:text;flex-shrink:0;font-size:17px;font-weight:800}.copyra-promo p{flex:1;min-width:0;margin:0;line-height:1.7}.copyra-promo p strong{font-size:12px;font-weight:500}.copyra-promo p>span{color:var(--copyra-muted);margin-left:12px;font-size:11px}.copyra-promo>a{color:var(--copyra-blue);white-space:nowrap;border-radius:6px;flex-shrink:0;padding:6px 10px;font-size:11px}.copyra-promo>a:hover{background:var(--copyra-tint)}@media (max-width:1100px){.copyra-promo p>span{margin-left:0;display:block}}@media (max-width:600px){.copyra-promo{flex-wrap:wrap;gap:8px;margin-top:12px;padding:10px 12px}.promo-brand{font-size:15px}.copyra-promo p{flex-basis:100%;order:4}.copyra-promo>a{margin-left:auto;padding:4px 0}.copyra-promo p strong{font-size:11px}.copyra-promo p>span{font-size:10px}}footer 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