:root{--brand-hue: 224;--brand: oklch(.7333 .1382 var(--brand-hue));--brand-2: oklch(.66 .14 var(--brand-hue));--brand-soft: oklch(.7333 .1382 var(--brand-hue) / .14);--brand-fg: oklch(.14 .01 250);--bg: oklch(.14 .008 250);--bg-2: oklch(.18 .009 250);--bg-3: oklch(.215 .01 250);--bg-4: oklch(.24 .011 250);--bg-sunken: oklch(.11 .007 250);--text: oklch(.96 .005 250);--text-2: oklch(.74 .008 250);--text-3: oklch(.58 .01 250);--text-4: oklch(.42 .01 250);--border: oklch(.28 .01 250);--border-soft: oklch(.23 .008 250);--border-strong: oklch(.36 .012 250);--success: oklch(.74 .17 145);--warning: oklch(.8 .15 82);--danger: oklch(.68 .2 25);--info: oklch(.7 .15 280);--radius: 12px;--radius-sm: 8px;--radius-lg: 18px;--ease: cubic-bezier(.22, 1, .36, 1);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;--font-stack: var(--font-sans), var(--font-cn);--shadow-card: 0 1px 0 oklch(1 0 0 / .04) inset, 0 12px 32px -16px rgba(0,0,0,.5);--shadow-lift: 0 0 0 1px oklch(1 0 0 / .06) inset, 0 24px 60px -24px rgba(0,0,0,.6)}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-stack);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{background:radial-gradient(ellipse 70% 50% at 18% -6%,color-mix(in oklch,var(--brand) 18%,transparent),transparent 60%),radial-gradient(ellipse 60% 45% at 100% 100%,color-mix(in oklch,var(--info) 12%,transparent),transparent 55%),var(--bg);background-attachment:fixed;min-height:100vh}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}::selection{background:var(--brand-soft);color:var(--text)}.cn{font-family:var(--font-cn),var(--font-sans)}.mono{font-family:var(--font-mono);font-feature-settings:"tnum","zero"}.container{max-width:1180px;margin:0 auto;padding:0 28px;width:100%}.container-narrow{max-width:880px;margin:0 auto;padding:0 28px}.nav{position:sticky;top:0;z-index:60;background:color-mix(in oklch,var(--bg) 70%,transparent);-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--border-soft)}.nav-inner{height:64px;display:flex;align-items:center;gap:32px}.nav-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:-.01em}.nav-brand-logo{width:26px;height:26px;border-radius:7px;object-fit:cover}.nav-brand-mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--brand),color-mix(in oklch,var(--brand) 55%,var(--info)));box-shadow:0 2px 10px var(--brand-soft);display:grid;place-items:center;color:var(--brand-fg);font-family:var(--font-mono);font-weight:700;font-size:11px;letter-spacing:-.02em}.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px}.nav-link{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;font-size:14px;color:var(--text-2);border-radius:7px;transition:color .15s,background .15s;font-family:var(--font-stack)}.nav-link:hover{color:var(--text);background:var(--bg-3)}.nav-link.active{color:var(--text)}.nav-right{margin-left:auto;display:flex;align-items:center;gap:8px}.nav-cta{height:34px;padding:0 14px;border-radius:8px;background:var(--brand);color:var(--brand-fg);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:background .15s,transform .15s;box-shadow:0 1px #ffffff26 inset}.nav-cta:hover{background:oklch(from var(--brand) calc(l + .04) c h);transform:translateY(-1px)}.nav-ghost{height:34px;padding:0 12px;border-radius:8px;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}.nav-ghost:hover{color:var(--text);background:var(--bg-3)}.nav-toggle-cb{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;margin:0}.nav-toggle{display:none}@media(max-width:768px){.nav-inner{gap:14px}.nav-toggle{order:5;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:34px;padding:0 9px;border-radius:8px;cursor:pointer;transition:background .15s}.nav-toggle:hover{background:var(--bg-3)}.nav-toggle span{display:block;width:100%;height:2px;background:var(--text-2);border-radius:2px;transition:transform .22s ease,opacity .22s ease}.nav-right{order:4;margin-left:auto}.nav-links{order:6;position:absolute;top:100%;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;gap:2px;padding:8px;background:var(--bg);border-bottom:1px solid var(--border-soft);box-shadow:var(--shadow-lift);display:none}.nav-link{height:44px;padding:0 14px;font-size:15px;border-radius:8px}.nav-toggle-cb:checked~.nav-links{display:flex}.nav-toggle-cb:checked~.nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle-cb:checked~.nav-toggle span:nth-child(2){opacity:0}.nav-toggle-cb:checked~.nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}@media(max-width:480px){.container,.container-narrow{padding:0 18px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:9px;font-size:14.5px;font-weight:600;font-family:var(--font-stack);transition:all .15s var(--ease);border:1px solid transparent;white-space:nowrap}.btn-primary{background:var(--brand);color:var(--brand-fg);box-shadow:0 1px #ffffff29 inset,0 4px 16px var(--brand-soft)}.btn-primary:hover{background:oklch(from var(--brand) calc(l + .04) c h);transform:translateY(-1px);box-shadow:0 1px #ffffff29 inset,0 10px 28px var(--brand-soft)}.btn-secondary{background:var(--bg-3);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--bg-4);border-color:var(--border-strong)}.btn-ghost{color:var(--text-2)}.btn-ghost:hover{color:var(--text);background:var(--bg-3)}.btn-lg{height:48px;padding:0 22px;font-size:15.5px;border-radius:11px}.btn-sm{height:32px;padding:0 12px;font-size:13px;border-radius:7px}.btn-icon-l svg{width:14px;height:14px}.btn-lg .btn-icon-l svg{width:16px;height:16px}.kicker{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px 0 8px;background:var(--brand-soft);border:1px solid color-mix(in oklch,var(--brand) 30%,transparent);border-radius:999px;font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}.kicker-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px color-mix(in oklch,var(--brand) 22%,transparent)}.tag-mute{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 9px;background:var(--bg-3);border:1px solid var(--border-soft);border-radius:999px;font-family:var(--font-mono);font-size:11px;color:var(--text-3)}.tag-mute.brand{background:var(--brand-soft);border-color:color-mix(in oklch,var(--brand) 25%,transparent);color:var(--brand)}.eyebrow{font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}.h1{font-size:clamp(40px,6vw,64px);font-weight:700;line-height:1.05;letter-spacing:-.025em;margin:0}.h1 .gradient{background:linear-gradient(135deg,var(--brand),color-mix(in oklch,var(--brand) 60%,var(--info)));-webkit-background-clip:text;background-clip:text;color:transparent}.h2{font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1.15;letter-spacing:-.02em;margin:0}.h3{font-size:19px;font-weight:600;letter-spacing:-.01em;margin:0}.lead{font-size:17px;color:var(--text-2);line-height:1.65;max-width:620px;margin:0}.lead-lg{font-size:19px;color:var(--text-2);line-height:1.6;max-width:720px;margin:0}.hero{position:relative;padding:80px 0 60px;overflow:hidden}.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}@media(max-width:980px){.hero-inner{grid-template-columns:1fr;gap:36px}}.hero-text{display:flex;flex-direction:column;gap:22px}.hero-cta{display:flex;gap:10px;flex-wrap:wrap}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:4px}.hero-meta-item{display:inline-flex;align-items:center;gap:6px;padding:5px 11px 5px 9px;font-family:var(--font-mono);font-size:12px;line-height:1;color:var(--text-2);background:var(--bg-2);border:1px solid var(--border-soft);border-radius:999px}.hero-meta-item svg{width:13px;height:13px;color:var(--brand);flex-shrink:0}@media(max-width:480px){.hero-meta{gap:7px}.hero-meta-item{width:100%}}.section{padding:80px 0;position:relative}.section-narrow{padding:56px 0}.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:40px;max-width:720px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center;align-items:center}.section-eyebrow{color:var(--brand);font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.section-divider{height:1px;background:var(--border-soft)}.footer{padding:64px 0 32px;border-top:1px solid var(--border-soft);background:var(--bg-sunken);margin-top:80px}.footer-inner{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px}@media(max-width:880px){.footer-inner{grid-template-columns:1fr 1fr}}.footer-brand{display:flex;flex-direction:column;gap:14px}.footer-tagline{font-size:13px;color:var(--text-3);line-height:1.6;max-width:280px}.footer-col h4{margin:0 0 14px;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-4)}.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}.footer-col a{font-size:13.5px;color:var(--text-2)}.footer-col a:hover{color:var(--text)}.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--border-soft);display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:11.5px;color:var(--text-4);flex-wrap:wrap;gap:12px}.footer-bottom a{color:var(--text-3)}.footer-bottom a:hover{color:var(--text)}.card{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius);padding:22px}.card-lift{transition:border-color .18s,transform .18s,box-shadow .18s}.card-lift:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:var(--shadow-lift)}.card-feature{display:flex;flex-direction:column;gap:12px}.card-feature-icon{width:40px;height:40px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:4px}.card-feature-icon svg{width:20px;height:20px}.pipeline-vis{position:relative;padding:24px;background:linear-gradient(135deg,color-mix(in oklch,var(--brand) 6%,var(--bg-2)),var(--bg-2));border:1px solid color-mix(in oklch,var(--brand) 18%,var(--border));border-radius:var(--radius-lg);box-shadow:var(--shadow-lift);overflow:hidden}.pipeline-vis:before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,color-mix(in oklch,var(--brand) 30%,transparent),transparent 70%);filter:blur(8px);pointer-events:none;opacity:.6}.pipe-row{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;position:relative;z-index:1}.pipe-step-card{background:color-mix(in oklch,var(--bg) 60%,transparent);border:1px solid var(--border-soft);border-radius:10px;padding:10px 8px;display:flex;flex-direction:column;gap:5px;text-align:left;transition:border-color .15s,background .15s}.pipe-step-card:hover{border-color:var(--border-strong);background:var(--bg-3)}.pipe-step-num{width:22px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:11px}.pipe-step-name{font-size:12.5px;font-weight:600;color:var(--text);line-height:1.25}.pipe-step-en{font-family:var(--font-mono);font-size:9.5px;color:var(--text-4);letter-spacing:.08em;text-transform:uppercase}.pipe-row-bar{height:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent);border-radius:1px;margin-top:14px;opacity:.5;position:relative;z-index:1}.pipe-output{display:flex;align-items:center;gap:10px;margin-top:14px;padding:10px 14px;background:color-mix(in oklch,var(--success) 8%,var(--bg-sunken));border:1px solid color-mix(in oklch,var(--success) 26%,var(--border));border-radius:10px;font-size:12.5px;color:var(--text);position:relative;z-index:1}.pipe-output-icon{width:26px;height:26px;border-radius:7px;background:color-mix(in oklch,var(--success) 24%,transparent);color:var(--success);display:grid;place-items:center}.pipe-output .mono{color:var(--text-2)}@media(max-width:720px){.pipe-row{grid-template-columns:repeat(4,1fr)}}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border-soft);border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}@media(max-width:720px){.stats{grid-template-columns:1fr 1fr}}.stat{background:var(--bg-2);padding:26px 22px;display:flex;flex-direction:column;gap:6px}.stat-v{font-family:var(--font-mono);font-size:36px;font-weight:700;color:var(--text);letter-spacing:-.025em;line-height:1}.stat-v.brand{color:var(--brand)}.stat-lbl{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.02em}.stat-sub{font-size:11.5px;color:var(--text-4);font-family:var(--font-mono)}.track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:880px){.track-grid{grid-template-columns:1fr 1fr}}@media(max-width:580px){.track-grid{grid-template-columns:1fr}}.track-card{position:relative;background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px 22px;display:flex;flex-direction:column;gap:6px;overflow:hidden;transition:border-color .18s,transform .18s}.track-card:hover{border-color:var(--border-strong);transform:translateY(-2px)}.track-card-bar{position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent, var(--brand))}.track-card-title{font-size:17px;font-weight:600;display:flex;align-items:baseline;gap:10px}.track-card-en{font-family:var(--font-mono);font-size:10.5px;color:var(--text-2);letter-spacing:.06em;text-transform:uppercase;font-weight:500}.track-card-desc{font-size:13px;color:var(--text-3);line-height:1.55}.track-card-style{margin-top:12px;font-family:var(--font-mono);font-size:11px;color:var(--text-2)}.track-card-style strong{color:var(--accent, var(--brand));font-weight:500}.track-card-badge{margin-left:auto;font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.04em;padding:2px 7px;border-radius:999px;color:var(--brand);background:var(--brand-soft);border:1px solid color-mix(in oklch,var(--brand) 28%,transparent);line-height:1.4}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:80px}.feature-split:nth-child(2n) .feature-split-text{order:2}.feature-split:nth-child(2n) .feature-split-art{order:1}@media(max-width:880px){.feature-split{grid-template-columns:1fr;gap:32px}.feature-split:nth-child(2n) .feature-split-text,.feature-split:nth-child(2n) .feature-split-art{order:initial}}.feature-split-text{display:flex;flex-direction:column;gap:16px}.feature-split-text ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.feature-split-text li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.55}.feature-split-text li svg{color:var(--brand);margin-top:4px;flex-shrink:0}.feature-split-art{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:28px;min-height:320px;box-shadow:var(--shadow-card);position:relative;overflow:hidden}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:stretch}@media(max-width:960px){.pricing-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.pricing-grid{grid-template-columns:1fr}}.price-card{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:24px;display:flex;flex-direction:column;gap:16px;position:relative}.price-card.featured{background:linear-gradient(180deg,color-mix(in oklch,var(--brand) 10%,var(--bg-2)),var(--bg-2));border-color:color-mix(in oklch,var(--brand) 50%,var(--border));box-shadow:0 0 0 1px color-mix(in oklch,var(--brand) 28%,transparent),0 24px 60px -24px color-mix(in oklch,var(--brand) 35%,transparent)}.price-card.lifetime{background:linear-gradient(180deg,color-mix(in oklch,oklch(.78 .14 75) 8%,var(--bg-2)),var(--bg-2));border-color:color-mix(in oklch,oklch(.78 .14 75) 40%,var(--border))}.price-card-badge{position:absolute;top:-10px;right:18px;height:22px;padding:0 10px;background:var(--brand);color:var(--brand-fg);border-radius:999px;font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;display:inline-flex;align-items:center;gap:5px}.price-card-badge.gold{background:#eba941;color:#201301}.price-tier-name{font-size:14.5px;font-weight:600;color:var(--text);letter-spacing:-.01em}.price-tier-desc{font-size:13px;color:var(--text-3);line-height:1.55;margin-top:-10px}.price-tier-cost{display:flex;align-items:baseline;gap:6px;margin:6px 0 4px}.price-tier-cost .v{font-family:var(--font-mono);font-size:34px;font-weight:700;color:var(--text);letter-spacing:-.03em}.price-tier-cost .unit{font-size:13px;color:var(--text-3)}.price-features{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.price-features li{display:flex;gap:9px;font-size:13px;color:var(--text-2);line-height:1.5}.price-features li svg{color:var(--brand);margin-top:4px;flex-shrink:0}.price-features li.muted{color:var(--text-4)}.price-features li.muted svg{color:var(--text-4);opacity:.6}.price-cta{margin-top:auto}.price-promo-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:13px 20px;margin-bottom:20px;background:linear-gradient(90deg,color-mix(in oklch,var(--warning) 10%,var(--bg-2)),color-mix(in oklch,var(--brand) 6%,var(--bg-2)),color-mix(in oklch,var(--warning) 10%,var(--bg-2)));background-size:200% 100%;border:1px solid color-mix(in oklch,var(--warning) 38%,var(--border));border-radius:12px;animation:promoShift 6s ease-in-out infinite}@keyframes promoShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.price-promo-label{display:flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--warning);flex-shrink:0}.price-promo-dot{width:7px;height:7px;border-radius:50%;background:var(--warning);animation:promoBlip 1.3s ease-in-out infinite}@keyframes promoBlip{0%,to{opacity:1;box-shadow:0 0 0 4px color-mix(in oklch,var(--warning) 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h2:first-child{margin-top:0;padding-top:0;border-top:0}.agreement-content h3{margin:30px auto 12px;font-size:19px;font-weight:650}.agreement-content h4{margin:24px auto 8px;display:flex;align-items:baseline;gap:8px;font-size:16px;font-weight:650}.agreement-content h4 span{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-family:var(--font-mono);font-size:11px;font-weight:700}.agreement-content p{margin:0 auto 18px;max-width:760px}.agreement-content .agreement-meta-line{display:flex;gap:6px;margin-bottom:6px;color:var(--text-3)}.agreement-content .agreement-meta-line+.agreement-meta-line{margin-top:-2px}.agreement-content strong{color:var(--text);font-weight:700}.agreement-content ul{margin:10px auto 22px;padding-left:0;list-style:none;max-width:760px}.agreement-content li{position:relative;margin:8px 0;padding-left:20px}.agreement-content li:before{content:"";position:absolute;left:2px;top:.82em;width:5px;height:5px;border-radius:50%;background:var(--brand)}.agreement-content hr{margin:30px 0;border:0;border-top:1px solid var(--border-soft)}.agreement-status.error{color:var(--danger);border-color:color-mix(in oklch,var(--danger) 36%,var(--border));background:color-mix(in oklch,var(--danger) 8%,var(--bg-2))}@media(max-width:640px){.agreement-content,.agreement-status{padding:24px 20px;font-size:14.5px}}