@font-face{font-family:Newsreader;font-style:normal;font-weight:700;font-display:block;src:url(/newsreader-bold.woff2)format("woff2")}:root{--bg-base:#050811;--bg-surface:#0c1424;--bg-elevated:#141f35;--bg-input:#080d18;--border-color:#fff3;--border-color-hover:#818cf8;--border-subtle:#ffffff1f;--text-primary:#fff;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--accent-primary:#6366f1;--accent-hover:#818cf8;--accent-glow:#6366f173;--accent-amber:#fbbf24;--color-success:#10b981;--color-danger:#f43f5e;--font-serif:"Newsreader", Georgia, Cambria, serif;--font-display:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", SFMono-Regular, Consolas, monospace;--shadow-sm:0 2px 8px #0006;--shadow-md:0 4px 16px #0009;--shadow-lg:0 16px 48px #000c;--ease-out:cubic-bezier(.16, 1, .3, 1)}body.lang-zh{--font-serif:"Newsreader", Georgia, Cambria, "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;--font-display:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif;--font-body:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans CN", sans-serif;--font-mono:"JetBrains Mono", "Cascadia Code", SFMono-Regular, Menlo, Monaco, Consolas, "PingFang SC", "Microsoft YaHei", monospace;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility}body.lang-en{--font-serif:"Newsreader", Georgia, Cambria, serif;--font-display:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", SFMono-Regular, Consolas, monospace}body.lang-en .hero-title-line{font-family:var(--font-display);letter-spacing:-.03em;text-transform:uppercase;font-weight:800}body.lang-en .hero-title-line.text-hollow,.hero-title-line.text-hollow{font-family:var(--font-serif);text-transform:none;letter-spacing:-.01em;padding-bottom:.05em;padding-right:.12em;font-style:italic;font-weight:600;display:inline-block}body.lang-en .editorial-heading,body.lang-en .chapter-title,body.lang-en .ws-heading{font-family:var(--font-display);letter-spacing:-.03em;text-transform:uppercase;font-weight:800}body.lang-en .brand-name,body.lang-zh .brand-name{letter-spacing:-.015em;font-family:Newsreader,Georgia,Cambria,Times New Roman,serif;font-weight:700}body.lang-zh .hero-title-line{font-family:var(--font-display);letter-spacing:.02em;text-transform:none;font-weight:800;line-height:1.25}body.lang-zh .hero-title-line.text-hollow{font-family:var(--font-display);letter-spacing:.02em;font-style:normal;font-weight:800}body.lang-zh .editorial-heading,body.lang-zh .chapter-title,body.lang-zh .ws-heading{font-family:var(--font-display);letter-spacing:.01em;text-transform:none;line-height:1.35}body.theme-light{--bg-base:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--bg-input:#fff;--border-color:#cbd5e1;--border-color-hover:#4338ca;--border-subtle:#e2e8f0;--text-primary:#090d16;--text-secondary:#334155;--text-muted:#475569;--accent-primary:#4338ca;--accent-hover:#3730a3;--accent-glow:#4338ca40;--accent-amber:#b45309;--color-success:#047857;--color-danger:#be123c;--shadow-sm:0 2px 8px #0f172a14;--shadow-md:0 4px 16px #0f172a1a;--shadow-lg:0 12px 36px #0f172a1f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}.sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}html{scroll-behavior:smooth;background-color:var(--bg-base)}section,article,[id]{scroll-margin-top:80px}body{font-family:var(--font-body);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:#ffffff2e;border-radius:3px}body.theme-light ::-webkit-scrollbar-thumb{background:#cbd5e1}.ambient-mesh-wrap{pointer-events:none;z-index:0;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.hero-bg-mesh{filter:blur(80px);background:radial-gradient(circle at 50% 25%,#6366f114 0%,#0ea5e908 40%,#0000 70%);width:140vw;height:140vh;position:absolute;top:-20vh;left:-20vw}body.theme-light .hero-bg-mesh{background:radial-gradient(circle at 50% 25%,#6366f10a 0%,#0ea5e905 40%,#0000 70%)}.ambient-shader-canvas{pointer-events:none;z-index:1;opacity:.95;mix-blend-mode:screen;filter:blur(20px);width:100%;height:100%;position:absolute;inset:0;transform:scale(1.04)}body.theme-light .ambient-shader-canvas{opacity:.75;mix-blend-mode:multiply}.ambient-grid-lines{z-index:2;background-image:linear-gradient(90deg,#ffffff08 1px,#0000 1px),linear-gradient(#ffffff08 1px,#0000 1px);background-size:64px 64px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 50% 40%,#000 30%,#0000 80%);mask-image:radial-gradient(at 50% 40%,#000 30%,#0000 80%)}body.theme-light .ambient-grid-lines{background-image:linear-gradient(90deg,#00000009 1px,#0000 1px),linear-gradient(#00000009 1px,#0000 1px)}.cinematic-nav{-webkit-backdrop-filter:blur(24px)saturate(190%);z-index:100;background:#06090fd1;border-bottom:1px solid #ffffff14;width:100%;height:64px;transition:background .3s,border-color 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.tab-text{font-family:var(--font-sans-apple)!important;letter-spacing:normal!important;white-space:nowrap!important;text-overflow:clip!important;font-size:12px!important;font-weight:600!important;line-height:1.2!important;overflow:visible!important}.controls-body{padding:14px 16px!important}.pane-title{font-family:var(--font-sans-apple)!important;letter-spacing:-.2px!important;margin-bottom:12px!important;font-size:13.5px!important;font-weight:700!important}.control-label{font-family:var(--font-sans-apple)!important;font-size:12.5px!important;font-weight:500!important}.form-select,.form-input,.range-val-input{font-family:var(--font-sans-apple)!important;border-radius:var(--atelier-radius-sm)!important;height:34px!important;font-size:12.5px!important}.param-desc,.input-help,.privacy-card-title p{font-family:var(--font-sans-apple)!important;font-size:12px!important;line-height:1.55!important}.controls-footer{border-top:1px solid var(--atelier-glass-border)!important;background:0 0!important;padding:12px 16px!important}.action-buttons-group{flex-direction:column!important;gap:8px!important;width:100%!important;display:flex!important}.action-buttons-secondary{gap:8px!important;width:100%!important;display:flex!important}.action-buttons-group .btn{cursor:pointer;transition:all .18s cubic-bezier(.16,1,.3,1);height:38px!important;font-family:var(--font-sans-apple)!important;border-radius:var(--atelier-radius-md)!important;letter-spacing:.15px!important;justify-content:center!important;align-items:center!important;gap:7px!important;padding:0 12px!important;font-size:12.5px!important;font-weight:600!important;display:inline-flex!important}.action-buttons-group .btn svg{flex-shrink:0!important}.action-buttons-group .btn span{white-space:nowrap!important;text-overflow:clip!important;max-width:none!important;overflow:visible!important}.btn-batch-hero{color:#fff!important;background:linear-gradient(135deg,#6366f1 0%,#4f46e5 100%)!important;border:none!important;width:100%!important;height:42px!important;font-size:13.5px!important;font-weight:700!important;box-shadow:0 4px 18px #6366f161!important}.btn-batch-hero:hover:not(:disabled){transform:translateY(-1px)!important;box-shadow:0 6px 24px #6366f18c!important}.btn-batch-hero:active:not(:disabled){transform:translateY(0)!important}@media (width<=1100px){.atelier-stage .studio-workspace{grid-template-columns:280px minmax(0,1fr) 380px!important;gap:10px!important}.header-step-guide{display:none!important}}@media (width<=900px){.atelier-airgap-pill{display:none!important}.atelier-stage .studio-workspace{grid-template-columns:1fr!important}}@media (width<=640px){.atelier-header{top:8px;left:8px;right:8px}.atelier-stage{left:8px;right:8px;top:calc(var(--atelier-header-height) + 16px);bottom:8px}.atelier-brand-subtitle{display:none!important}}