:root{--bg:#07060f;--bg-2:#0c0a1a;--surface:rgba(255,255,255,.035);--surface-2:rgba(255,255,255,.06);--border:rgba(255,255,255,.09);--border-strong:rgba(255,255,255,.16);--text:#ECEBF6;--text-2:#B7B2D0;--text-3:#837EA0;--violet:#9B6CFF;--cyan:#2DD4F0;--grad:linear-gradient(115deg,#B07CFF,#7C6CFF 45%,#38CFF0);--grad-soft:linear-gradient(115deg,rgba(176,124,255,.18),rgba(56,207,240,.14));--r-lg:22px;--r-md:16px;--r-sm:11px;--shadow:0 24px 60px -24px rgba(0,0,0,.7)}[data-theme=light]{--bg:#F3F1FA;--bg-2:#FFFFFF;--surface:rgba(34,24,70,.035);--surface-2:rgba(34,24,70,.06);--border:rgba(34,24,70,.10);--border-strong:rgba(34,24,70,.18);--text:#19142B;--text-2:#514B6B;--text-3:#847FA0;--shadow:0 24px 60px -26px rgba(80,60,150,.28)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:Noto Sans SC,system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}.font-display{font-family:Space Grotesk,Noto Sans SC,sans-serif}::selection{background:rgba(155,108,255,.4);color:#fff}a{color:inherit;text-decoration:none}.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}.bg-grad{position:absolute;inset:0;background:radial-gradient(900px 600px at 78% -8%,rgba(124,108,255,.22),transparent 60%),radial-gradient(800px 700px at 8% 12%,rgba(56,207,240,.13),transparent 55%),linear-gradient(180deg,var(--bg) 0,var(--bg-2) 60%,var(--bg) 100%)}[data-theme=light] .bg-grad{background:radial-gradient(900px 600px at 80% -10%,rgba(150,110,255,.16),transparent 60%),radial-gradient(820px 700px at 6% 10%,rgba(50,200,240,.13),transparent 55%),linear-gradient(180deg,#F3F1FA,#FBFAFE 55%,#F1EFF8)}.wrap{max-width:1240px;margin:0 auto;padding:0 24px}#root,.page-root{position:relative;z-index:1}.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=light] .grad-text{background:linear-gradient(115deg,#7C3AED,#5B5BF0 45%,#0C9FC4);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{font:inherit;font-size:15px;font-weight:500;cursor:pointer;border:none;border-radius:999px;padding:12px 22px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;transition:transform .18s,box-shadow .25s,background .2s,border-color .2s,color .2s}.btn:active{transform:translateY(1px) scale(.99)}.btn-primary{background:var(--grad);color:#0a0814;font-weight:600;box-shadow:0 10px 30px -10px rgba(124,108,255,.7)}.btn-primary:hover{transform:translateY(-2px)}.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface-2);border-color:var(--border-strong)}.btn-sm{padding:9px 16px;font-size:14px}.btn[disabled]{opacity:.55;cursor:not-allowed}.ic{width:17px;height:17px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--border)}.nav-inner{height:66px;gap:18px}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:11px;cursor:pointer}.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--grad);display:grid;place-items:center;box-shadow:0 6px 20px -6px rgba(124,108,255,.8)}.brand-mark .ic{width:20px;height:20px;color:#0a0814}.brand-name{font-family:Space Grotesk,sans-serif;font-weight:700;font-size:19px}.brand-name b{font-weight:900}.brand-cn{font-size:10px;color:var(--text-3);letter-spacing:3px;margin-top:-2px}.nav-spacer{margin-left:auto}.nav-actions{display:flex;align-items:center;gap:10px}.balance-pill{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text-2);background:var(--surface);border:1px solid var(--border);padding:7px 14px;border-radius:999px}.balance-pill b{color:var(--text);font-family:Space Grotesk,sans-serif}.balance-pill .ic{width:15px;height:15px;color:var(--violet)}.theme-toggle{width:40px;height:40px;padding:0;justify-content:center}.hero{padding:84px 0 48px;text-align:center}.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);background:var(--surface);border:1px solid var(--border);padding:7px 14px;border-radius:999px;margin-bottom:26px}.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}.hero h1{font-size:clamp(36px,6vw,72px);line-height:1.05;font-weight:900;letter-spacing:-1px;margin-bottom:20px}.hero p.sub{font-size:clamp(15px,1.6vw,19px);color:var(--text-2);max-width:600px;margin:0 auto 32px;font-weight:300}.hero-search{max-width:580px;margin:0 auto;display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:999px;padding:7px 7px 7px 18px;box-shadow:var(--shadow)}.hero-search .ic{color:var(--text-3);flex:none}.hero-search input{flex:1 1;background:none;border:none;outline:none;color:var(--text);font:inherit;font-size:16px}.sec{padding:40px 0}.eyebrow{font-family:Space 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label{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text-2);margin-bottom:9px}.field label .ic{width:15px;height:15px;color:var(--violet)}.in{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:13px 15px;color:var(--text);font:inherit;font-size:15px;outline:none;resize:vertical;min-height:130px;transition:border-color .2s,box-shadow .2s}.in:focus{border-color:rgba(155,108,255,.6);box-shadow:0 0 0 3px rgba(155,108,255,.13)}.gen-row{display:flex;align-items:center;gap:12px}.gen-row .hint{font-size:12.5px;color:var(--text-3)}.result{border:1px solid var(--border);background:var(--surface);border-radius:var(--r-lg);padding:22px}.result-head{display:flex;align-items:center;gap:9px;margin-bottom:14px;font-weight:700}.result-head .ic{color:var(--violet)}.result-head .copy{margin-left:auto}.rich{white-space:pre-wrap;line-height:1.8;color:var(--text);font-size:15px}.busy{display:inline-flex;align-items:center;gap:9px;color:var(--text-2);font-size:14px}.spinner{width:16px;height:16px;border:2px solid var(--border-strong);border-top-color:var(--violet);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(5,4,12,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;padding:24px}.modal{background:var(--bg-2);border:1px solid var(--border-strong);border-radius:24px;max-width:420px;width:100%;box-shadow:var(--shadow);position:relative}[data-theme=light] .modal{background:#fff}.modal-x{position:absolute;top:16px;right:16px;background:var(--surface);border:1px solid var(--border);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:var(--text-2)}.auth{padding:34px 32px}.auth h3{text-align:center;font-size:22px;font-weight:800;margin-bottom:6px}.auth .ph{text-align:center;color:var(--text-3);font-size:14px;margin-bottom:22px}.auth-tabs{display:flex;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px;margin-bottom:20px}.auth-tabs button{flex:1 1;background:none;border:none;color:var(--text-2);font:inherit;font-size:14.5px;padding:9px;border-radius:999px;cursor:pointer}.auth-tabs button.active{background:var(--surface-2);color:var(--text);font-weight:600}.auth .field label{display:block}.auth input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:13px 15px;color:var(--text);font:inherit;font-size:15px;outline:none}.auth input:focus{border-color:rgba(155,108,255,.6);box-shadow:0 0 0 3px rgba(155,108,255,.13)}.auth .btn{width:100%;justify-content:center;margin-top:6px}.auth-err{color:#ff8e8e;margin-top:12px}.auth-alt,.auth-err{font-size:13px;text-align:center}.auth-alt{color:var(--text-3);margin-top:16px}.auth-alt span{color:var(--violet);cursor:pointer}.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%);z-index:200;background:var(--bg-2);border:1px solid var(--border-strong);color:var(--text);padding:12px 20px;border-radius:999px;box-shadow:var(--shadow);font-size:14px}@media (max-width:1040px){.app-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:760px){.app-grid{grid-template-columns:1fr 1fr}.nav-actions .balance-pill{display:none}.hero{padding:56px 0 36px}}@media (max-width:480px){.app-grid{grid-template-columns:1fr}}.auth-code-row{display:flex;gap:8px}.auth-code-row input{flex:1 1;min-width:0}.auth-send{flex-shrink:0;white-space:nowrap;padding:0 14px;font-size:13px}.auth-send:disabled{opacity:.55}