:root{color:#f8fafc;background:#050505;--bg: #050505;--panel: #0d0d10;--panel-2: #15151b;--line: rgba(255, 255, 255, .18);--text: #f8fafc;--muted: #b9c0cb;--purple: #7451f2;--blue: #343dcf;--violet: #8119d7;--amber: #fbb511;--pink: #f30c7f;--magenta: #e12899;--green: #55d176;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}button,a{font:inherit}.app-shell{min-height:100vh;color:var(--text);background:var(--bg)}.roadshow-presentation,.roadshow-presentation body,.roadshow-presentation #root{height:100%;overflow:hidden}.mode-presentation{height:100svh;overflow-y:auto;scroll-behavior:auto;scroll-snap-type:y mandatory;overscroll-behavior-y:contain;scrollbar-width:none}.mode-presentation::-webkit-scrollbar{width:0;height:0}.hero-section{min-height:calc(100svh - 58px);display:grid;align-content:center;padding:68px max(24px,6vw);background:radial-gradient(circle at 78% 24%,rgba(116,81,242,.28),transparent 32%),linear-gradient(90deg,#050505f5,#050505e6 48%,#050505c2),#050505}.hero-inner{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);gap:42px;align-items:center}.hero-content{min-width:0}.hero-art{position:relative;min-height:500px;margin:0;overflow:hidden;border-left:1px solid var(--line)}.hero-art:before{position:absolute;top:12%;right:8%;bottom:10%;left:0;content:"";background:linear-gradient(135deg,rgba(251,181,17,.3),transparent 18%),linear-gradient(315deg,rgba(243,12,127,.25),transparent 24%);filter:blur(10px)}.hero-art img{position:absolute;right:-4%;top:50%;width:min(520px,78vw);max-height:86%;object-fit:contain;transform:translateY(-50%) rotate(-2deg);filter:drop-shadow(0 28px 60px rgba(0,0,0,.68))}.eyebrow{margin:0 0 18px;color:var(--amber);font-size:14px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1{max-width:920px;margin:0;font-size:clamp(42px,6.8vw,86px);line-height:1;letter-spacing:0;color:var(--text);font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-weight:800}h1 span{display:block}.hero-copy{max-width:720px;margin:28px 0 0;color:var(--muted);font-size:22px;line-height:1.55}.section-nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:58px;padding:12px max(20px,5vw);background:#050505e6;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand,.nav-links a{color:var(--text);text-decoration:none;font-weight:800}.nav-links{display:flex;gap:12px;overflow-x:auto}.nav-links a{padding:8px 10px;border-radius:6px;color:var(--muted);white-space:nowrap}.nav-links a.is-active{color:#050505;background:linear-gradient(135deg,var(--amber),#ff7a1a)}.roadshow-section{padding:72px max(24px,6vw);scroll-margin-top:58px;border-top:1px solid var(--line);background:radial-gradient(circle at 88% 18%,rgba(116,81,242,.14),transparent 28%),var(--bg)}.roadshow-section h2{max-width:920px;margin:0 0 28px;font-size:clamp(34px,5vw,62px);line-height:1.08;letter-spacing:0;color:var(--text);font-family:Songti SC,STSong,SimSun,PingFang SC,serif;font-weight:800}.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,520px);gap:48px;align-items:start}.text-stack{display:grid;gap:18px;color:var(--muted);font-size:20px;line-height:1.65}.choice-panel,.path-preview,.technique-card,.timeline-item,.method-grid article,.thanks-panel,.qr-card{border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#15151bf5,#0a0a0df5);box-shadow:0 24px 60px #00000061}.choice-panel{max-width:980px;margin-top:38px;padding:24px}.choice-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.choice-card,.technique-card button,.path-steps button,.primary-cta{min-height:48px;border:0;border-radius:7px;cursor:pointer;font-weight:850}.choice-card{padding:14px;color:var(--text);background:#7451f252;border:1px solid rgba(189,148,255,.3)}.choice-card.is-selected{color:#050505;background:linear-gradient(135deg,var(--amber),#ff7a1a)}.choice-note{color:var(--amber);font-weight:750}.method-grid,.technique-grid,.cta-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.method-grid article,.technique-card,.timeline-item,.thanks-panel,.qr-card{padding:22px}.method-grid span,.timeline-item span{color:var(--amber);font-weight:900}.timeline{display:grid;grid-template-columns:repeat(7,minmax(180px,1fr));gap:16px;overflow-x:auto;padding-bottom:10px}.technique-card dl{display:grid;gap:8px}.technique-card dt{color:var(--amber);font-weight:850}.technique-card dd{margin:0;color:var(--muted)}.technique-card.is-selected{border-color:#fbb511bd;box-shadow:0 0 0 1px #fbb51138,0 28px 70px #0000007a}.technique-card button,.path-steps button{width:100%;color:#050505;background:linear-gradient(135deg,var(--amber),#fff06b)}.technique-card button.is-selected{color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink))}.technique-note{margin:14px 0 0}.product-path{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px;align-items:stretch}.path-steps{display:grid;gap:9px;touch-action:pan-x}.path-preview{position:relative;display:grid;grid-template-columns:minmax(260px,.95fr) minmax(240px,360px);gap:28px;min-height:390px;padding:28px;overflow:hidden;background:radial-gradient(circle at 82% 30%,rgba(251,181,17,.2),transparent 28%),linear-gradient(135deg,#15151bf5,#090c12fa)}.path-copy{display:grid;align-content:center;min-width:0}.path-preview h3{font-size:clamp(34px,4.4vw,52px);margin:0 0 12px;color:var(--text);font-family:Songti SC,STSong,SimSun,PingFang SC,serif}.path-preview p{max-width:560px;font-size:20px;line-height:1.65;color:var(--muted)}.path-steps button{display:grid;grid-template-columns:32px 1fr;align-items:center;gap:8px;min-height:58px;padding:10px 14px;text-align:left}.path-steps button span{display:grid;width:28px;height:28px;place-items:center;border-radius:999px;color:#050505;background:#ffffffb8;font-size:12px;font-weight:900}.path-steps button.is-active{color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink))}.path-steps button.is-active span{color:#050505;background:var(--amber)}.product-screenshot-frame{position:relative;display:grid;align-items:start;justify-items:center;height:min(52vh,520px);min-height:330px;margin:0;padding:12px;overflow:hidden;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:linear-gradient(180deg,#ffffff1a,#ffffff05),#050505;box-shadow:0 24px 70px #0000008c}.product-screenshot-track{display:flex;width:100%;height:100%;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:none;touch-action:pan-x}.product-screenshot-track::-webkit-scrollbar{display:none}.product-screenshot-slide{display:grid;flex:0 0 100%;align-items:start;justify-items:center;scroll-snap-align:center}.product-screenshot-frame:before{position:absolute;top:0;right:0;bottom:0;left:0;content:"";pointer-events:none;background:linear-gradient(180deg,transparent 74%,rgba(5,5,5,.88));z-index:1}.product-screenshot-frame img{width:100%;max-width:280px;height:auto;border-radius:12px;object-fit:contain;box-shadow:0 18px 42px #00000075}.cta-panel{display:grid;gap:18px}.thanks-panel{max-width:1160px;padding:18px 22px;border-color:#fbb51157;background:radial-gradient(circle at 12% 18%,rgba(251,181,17,.16),transparent 24%),linear-gradient(135deg,#15151bf5,#090c12fa)}.thanks-panel .eyebrow{margin-bottom:8px}.thanks-panel p{max-width:1040px;margin:0;color:var(--muted);font-size:18px;line-height:1.58}.thanks-panel p+p{margin-top:8px}.cta-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}.primary-cta{display:block;color:inherit;text-decoration:none}.qr-card{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:12px;min-width:0;color:inherit;text-align:left}.qr-card-main{display:grid;align-content:start;min-height:0;color:inherit;text-align:left;text-decoration:none}.qr-card-link{min-height:0}.qr-card img{width:100%;max-height:260px;object-fit:contain;border-radius:8px;background:#f8fafc}.product-qr-card img{width:100%;max-height:260px;margin:0 auto}.qr-button{display:block;width:100%;text-align:left;cursor:pointer;color:inherit}.qr-zoom-button{display:inline-grid;width:100%;min-height:42px;place-items:center;border:1px solid rgba(251,181,17,.72);border-radius:7px;color:#050505;background:linear-gradient(135deg,var(--amber),#fff06b);cursor:pointer;font-weight:900}.qr-zoom-chip{display:inline-grid;min-height:32px;margin-top:14px;padding:0 12px;place-items:center;border:1px solid rgba(251,181,17,.56);border-radius:999px;color:var(--amber);font-size:14px;font-weight:900}.qr-preview-open,.qr-preview-open body{overflow:hidden}.qr-preview-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;display:grid;place-items:center;padding:22px;background:#000000c7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.qr-preview-panel{position:relative;display:grid;justify-items:center;width:min(92vw,560px);max-height:min(88vh,780px);padding:22px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#15151bfa,#08080afa);box-shadow:0 30px 90px #000000b8}.qr-preview-close{justify-self:end;min-height:38px;padding:0 12px;border:1px solid var(--line);border-radius:7px;color:var(--text);background:#ffffff14;cursor:pointer;font-weight:850}.qr-preview-image{width:100%;max-width:440px;max-height:62vh;margin-top:12px;object-fit:contain;border-radius:8px;background:#fff}.qr-title{display:block;margin-top:14px;font-size:22px;font-weight:900}.qr-copy{display:block;margin-top:8px;color:var(--muted);line-height:1.5}.mode-presentation .roadshow-section{min-height:calc(100svh - 58px);scroll-snap-align:start;scroll-snap-stop:always;display:grid;align-content:center}.mode-presentation .choice-panel{margin-top:28px}.mode-presentation .timeline{grid-template-columns:repeat(7,minmax(150px,1fr))}.mode-presentation .roadshow-section h2{font-size:clamp(34px,4.35vw,56px)}.mode-presentation #cta.roadshow-section{padding-top:26px;padding-bottom:28px;align-content:start}.mode-presentation #cta h2{max-width:1100px;margin-bottom:12px;font-size:clamp(30px,3.1vw,42px);line-height:1.04}.mode-presentation #cta .cta-panel{gap:12px}.mode-presentation #cta .thanks-panel{display:grid;grid-template-columns:150px minmax(0,1fr);gap:8px 18px;padding:12px 16px}.mode-presentation #cta .thanks-panel .eyebrow{margin:0}.mode-presentation #cta .thanks-panel p:not(.eyebrow){display:-webkit-box;overflow:hidden;max-width:none;margin-top:0;font-size:14px;line-height:1.35;-webkit-box-orient:vertical;-webkit-line-clamp:2}.mode-presentation #cta .cta-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mode-presentation #cta .qr-card{padding:12px}.mode-presentation #cta .qr-card img{max-height:150px}.mode-presentation #cta .product-qr-card img{width:100%;max-height:150px}.mode-presentation #cta .qr-title{margin-top:9px;font-size:18px}.mode-presentation #cta .qr-copy{margin-top:5px;font-size:13px;line-height:1.35}.mode-presentation #cta .qr-zoom-button{min-height:34px}.mode-presentation #cta .qr-zoom-chip{min-height:28px;margin-top:8px}@media(max-width:720px){.mode-presentation .section-nav{flex-direction:row;align-items:center;min-height:48px;padding:7px 10px}.mode-presentation .brand{display:none}.mode-presentation .nav-links{width:100%;gap:4px}.mode-presentation .nav-links a{padding:6px 7px;font-size:13px}.mode-presentation .roadshow-section{min-height:calc(100svh - 48px)}.mode-presentation #cta.roadshow-section{padding:56px 10px 84px;align-content:start}.mode-presentation #product.roadshow-section{padding-top:58px}.mode-presentation #cta h2{margin-bottom:10px;font-size:24px;line-height:1.12}.mode-presentation #cta .cta-panel{gap:9px}.mode-presentation #cta .thanks-panel{padding:10px}.mode-presentation #cta .thanks-panel .eyebrow{margin-bottom:4px;font-size:12px}.mode-presentation #cta .thanks-panel p:not(.eyebrow){display:-webkit-box;overflow:hidden;margin-top:0;color:#d7dbe3;font-size:12px;line-height:1.35;-webkit-box-orient:vertical;-webkit-line-clamp:2}.mode-presentation #cta .cta-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.mode-presentation #cta .qr-card{min-width:0;padding:9px}.mode-presentation #cta .qr-card img{max-height:92px}.mode-presentation #cta .product-qr-card img{width:100%;max-height:92px}.mode-presentation #cta .qr-title{margin-top:7px;font-size:14px;line-height:1.15}.mode-presentation #cta .qr-copy{display:none}.mode-presentation #cta .qr-zoom-button{min-height:30px;font-size:12px}.mode-presentation #cta .qr-zoom-chip{min-height:26px;margin-top:7px;padding:0 8px;font-size:12px}}@media(max-width:900px){.section-nav{align-items:flex-start;flex-direction:column}.split-section,.product-path,.cta-grid,.path-preview,.choice-grid,.method-grid,.technique-grid{grid-template-columns:1fr}.roadshow-section{padding:64px 20px}.hero-inner{grid-template-columns:1fr}.hero-art{min-height:260px;border-left:0;border-top:1px solid var(--line)}.hero-art img{right:50%;width:min(360px,92vw);transform:translate(50%,-50%) rotate(-2deg)}}.mode-toggle{position:fixed;right:20px;bottom:20px;z-index:30;display:flex;gap:6px;padding:6px;background:#fff;border:1px solid #cbd5e1;border-radius:999px;box-shadow:0 16px 40px #0f172a29}.mode-toggle button{border:0;border-radius:999px;padding:9px 14px;cursor:pointer;font-weight:850;color:#475569;background:transparent}.mode-toggle button.is-active{color:#fff;background:#2563eb}.progress-pill{position:fixed;right:20px;top:72px;z-index:25;padding:8px 12px;color:#050505;background:linear-gradient(135deg,var(--amber),#ff7a1a);border:1px solid rgba(251,181,17,.8);border-radius:999px;font-weight:900}.mode-reading .progress-pill{display:none}@media(max-width:720px){.section-nav{gap:10px;padding:9px 14px}.brand{font-size:16px}.nav-links{width:100%;gap:6px;padding-bottom:2px}.nav-links a{padding:6px 8px;font-size:14px}.roadshow-section{padding:56px 16px;scroll-margin-top:96px}.hero-section{min-height:auto;padding:42px 16px 56px}h1{font-size:42px;line-height:1.08}.roadshow-section h2{font-size:34px}#product.roadshow-section{padding-top:34px}#product h2{margin-bottom:18px;font-size:30px;line-height:1.12}.hero-copy,.text-stack,.path-preview p,.thanks-panel p{font-size:16px}.choice-panel,.path-preview,.technique-card,.timeline-item,.method-grid article,.thanks-panel,.qr-card{padding:18px}.product-path{gap:12px}.path-steps{display:flex;gap:8px;margin:0 -16px;padding:0 16px 4px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none}.path-steps::-webkit-scrollbar{display:none}.path-steps button{flex:0 0 auto;width:auto;min-width:132px;min-height:46px;grid-template-columns:26px max-content;scroll-snap-align:start;white-space:nowrap}.path-steps button span{width:24px;height:24px}.path-preview{gap:14px;scroll-margin-top:156px}.path-preview .eyebrow{margin-bottom:6px}.path-preview h3{font-size:28px}.path-copy{order:2}.product-screenshot-frame{order:1;height:auto;min-height:0;max-height:none;padding:10px}.product-screenshot-frame:before{display:none}.product-screenshot-frame img{max-width:min(68vw,260px);max-height:48vh}.mode-toggle{right:12px;bottom:12px}.mode-toggle button{padding:8px 11px}.qr-preview-overlay{align-items:end;padding:14px}.qr-preview-panel{width:100%;max-height:88svh;padding:16px}.qr-preview-image{max-width:100%;max-height:68svh}.progress-pill{top:auto;bottom:76px}}.admin-panel{max-width:1100px;margin:0 auto;padding:56px 24px}.admin-panel h1{font-size:clamp(36px,6vw,72px)}.admin-panel p{color:var(--muted);font-size:18px}.admin-controls{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.admin-controls input{min-width:280px;min-height:44px;padding:0 12px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:7px}.admin-controls button{min-height:44px;padding:0 14px;border:0;border-radius:7px;color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink));cursor:pointer;font-weight:850}.admin-error{color:#b91c1c;font-weight:800}.summary-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.summary-table{width:100%;border-collapse:collapse}.summary-table th,.summary-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left}