:root{--bg-0: #0a0b12;--bg-1: #0f1120;--surface: rgba(22, 25, 43, .55);--surface-2: rgba(30, 34, 58, .66);--hairline: rgba(255, 255, 255, .08);--hairline-strong: rgba(255, 255, 255, .16);--text: rgba(235, 238, 252, .96);--text-dim: rgba(198, 203, 226, .72);--text-faint: rgba(160, 166, 194, .5);--accent-a: #7c5cff;--accent-b: #35a0ff;--accent: linear-gradient(135deg, var(--accent-a), var(--accent-b));--accent-solid: #6f7bff;--accent-glow: rgba(124, 92, 255, .45);--ok: #3ad29f;--warn: #ffb454;--danger: #ff6b6b;--r-sm: 10px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--r-pill: 999px;--blur: 18px;--blur-lg: 30px;--shadow-card: 0 10px 40px rgba(0, 0, 0, .45);--shadow-float: 0 20px 60px rgba(0, 0, 0, .55);--shadow-glow: 0 8px 30px var(--accent-glow);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", ui-monospace, "JetBrains Mono", "Cascadia Code", Consolas, monospace;--maxw: 1120px}:root[data-theme=light]{--bg-0: #eef1f8;--bg-1: #f5f7fc;--surface: rgba(255, 255, 255, .7);--surface-2: rgba(255, 255, 255, .86);--hairline: rgba(16, 20, 40, .08);--hairline-strong: rgba(16, 20, 40, .16);--text: rgba(20, 24, 42, .96);--text-dim: rgba(52, 58, 86, .72);--text-faint: rgba(90, 96, 124, .55);--accent-a: #6a45ff;--accent-b: #1e8bff;--accent-solid: #5560ff;--accent-glow: rgba(106, 69, 255, .28);--ok: #12996a;--warn: #c9821f;--danger: #d64545;--shadow-card: 0 10px 30px rgba(30, 40, 90, .12);--shadow-float: 0 20px 50px rgba(30, 40, 90, .18);--shadow-glow: 0 8px 30px var(--accent-glow)}@media (prefers-reduced-transparency: reduce){:root{--surface: #14172a;--surface-2: #1b1f36;--blur: 0px;--blur-lg: 0px}:root[data-theme=light]{--surface: #ffffff;--surface-2: #ffffff}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font:100%/1.5 var(--font);color:var(--text);background:var(--bg-1);-webkit-font-smoothing:antialiased;transition:background-color .2s 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var(--ok)}.toast-danger{border-left:3px solid var(--danger)}.code{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--hairline);background:#0b0d1a}:root[data-theme=light] .code{background:#0e1120}.code-top{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--hairline)}.dot{width:10px;height:10px;border-radius:50%}.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}.code-lang{margin-left:8px;font-size:.75rem;color:#c8cde680;font-family:var(--font-mono)}.code-copy{margin-left:auto;background:#ffffff14;color:#cfd4ea;border:none;border-radius:8px;padding:4px 10px;font-size:.75rem;cursor:pointer}.code-body{margin:0;padding:14px 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0 8px}.legal p{color:var(--text-dim);line-height:1.65;margin:0 0 10px}.legal-back{margin-bottom:8px}.lp-legal{display:flex;gap:16px}.lp-legal a{color:var(--text-dim);font-size:.9rem}.lp-legal a:hover{color:var(--text)}.auth-card{padding:24px}.auth-tabs{display:flex;gap:18px;margin-bottom:14px;font-size:1rem}.auth-tabs a{color:var(--text-faint)}.auth-tabs .on{color:var(--text);font-weight:620;position:relative}.auth-tabs .on:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px}.verify-state{text-align:center;padding:20px 6px}.verify-icon,.verify-check{font-size:2.4rem}.verify-check{width:62px;height:62px;margin:0 auto 10px;border-radius:50%;background:color-mix(in srgb,var(--ok) 22%,transparent);color:var(--ok);display:grid;place-items:center;font-size:2rem}.ring-spin{width:42px;height:42px;border-radius:50%;border:3px solid var(--hairline-strong);border-top-color:var(--accent-solid);animation:spin .8s linear 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20px;display:flex;flex-direction:column;gap:10px;font-size:.92rem}.price-list li{padding-bottom:10px;border-bottom:1px solid var(--hairline)}.price-card .btn{margin-top:auto}.lp-faq{max-width:760px;margin:0 auto}.faq-item{border-bottom:1px solid var(--hairline)}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:none;color:var(--text);padding:18px 2px;font-size:1.02rem;text-align:left;cursor:pointer}.faq-plus{color:var(--accent-solid);font-size:1.3rem}.faq-a{overflow:hidden}.faq-a p{padding:0 2px 18px}.lp-footer{display:flex;justify-content:space-between;align-items:center;padding:40px 20px;border-top:1px solid var(--hairline);margin-top:20px;flex-wrap:wrap;gap:12px}@media (max-width: 900px){.lp-hero{grid-template-columns:1fr;gap:28px;padding-top:48px}.lp-code{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.price-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}}@media 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