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1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--ch-font-size-base);scroll-behavior:smooth}body{font-family:var(--ch-font-family);background-color:var(--ch-bg-primary);color:var(--ch-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.ch-header{position:fixed;top:0;left:0;right:0;height:var(--ch-header-height);z-index:1000;background:#0a0a1acc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--ch-glass-border);transition:var(--ch-transition)}.ch-header__container{max-width:var(--ch-max-width);margin:0 auto;padding:0 var(--ch-space-lg);height:100%;display:flex;align-items:center;justify-content:space-between}.ch-header__logo-link{display:flex;align-items:center;gap:var(--ch-space-sm)}.ch-header__logo{height:32px;width:auto}.ch-header__brand{font-weight:600;font-size:1.25rem;letter-spacing:-.02em}.ch-header__nav{display:flex;align-items:center;gap:var(--ch-space-lg)}.ch-header__link{font-size:.875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;opacity:.8;transition:var(--ch-transition)}.ch-header__link:hover{opacity:1}.ch-header__hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--ch-space-sm)}.ch-header__hamburger span{display:block;width:24px;height:2px;background:var(--ch-text-primary);transition:var(--ch-transition)}.ch-header__hamburger--active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.ch-header__hamburger--active span:nth-child(2){opacity:0}.ch-header__hamburger--active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.ch-mobile-nav{display:none;position:absolute;top:var(--ch-header-height);left:0;right:0;background:#0a0a1af2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:var(--ch-space-lg);border-bottom:1px solid var(--ch-glass-border)}.ch-mobile-nav--open{display:flex;flex-direction:column;gap:var(--ch-space-md)}.ch-mobile-nav__link{font-size:1rem;padding:var(--ch-space-sm) 0}.ch-hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0a1a,#1a1a3e 40%,#2d1b4e,#0a0a1a);overflow:hidden}.ch-hero__courts{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;overflow:hidden}.ch-court-wrapper{position:absolute;opacity:0;animation:ch-court-appear 2s ease-out forwards}.ch-court-wrapper:nth-child(1){animation-delay:.5s}.ch-court-wrapper:nth-child(2){animation-delay:.8s}.ch-court-wrapper:nth-child(3){animation-delay:1.1s}.ch-court-wrapper:nth-child(4){animation-delay:1.4s}.ch-court-wrapper:nth-child(5){animation-delay:1.7s}.ch-court-wrapper:nth-child(6){animation-delay:2s}.ch-court--tennis{filter:drop-shadow(0 0 8px rgba(102,126,234,.4))}.ch-court--basketball{filter:drop-shadow(0 0 8px rgba(240,147,251,.35))}.ch-court--baseball{filter:drop-shadow(0 0 8px rgba(245,87,108,.3))}.ch-court--hockey{filter:drop-shadow(0 0 8px rgba(79,172,254,.35))}.ch-court--pickleball{filter:drop-shadow(0 0 8px rgba(67,233,123,.3))}.ch-court--badminton{filter:drop-shadow(0 0 8px rgba(56,249,215,.3))}.ch-court--tennis{animation:ch-float 12s ease-in-out infinite}.ch-court--basketball{animation:ch-float 14s ease-in-out 1s infinite}.ch-court--baseball{animation:ch-float 16s ease-in-out 2s infinite}.ch-court--hockey{animation:ch-float 13s ease-in-out 3s infinite}.ch-court--pickleball{animation:ch-float 15s ease-in-out .5s infinite}.ch-court--badminton{animation:ch-float 11s ease-in-out 2.5s infinite}.ch-court{animation:ch-glow-pulse 4s ease-in-out infinite alternate}.ch-court:nth-child(odd){animation-delay:2s}.ch-hero__overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;background:radial-gradient(ellipse at center,#0a0a1a66,#0a0a1ad9);display:flex;align-items:center;justify-content:center}.ch-hero__content{text-align:center;padding:var(--ch-space-lg);max-width:800px;z-index:3;position:relative}.ch-hero__title{font-size:clamp(3rem,8vw,6rem);font-weight:700;letter-spacing:-.03em;margin-bottom:var(--ch-space-md);background:linear-gradient(135deg,#fff,#a0a0ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.ch-hero__tagline{font-size:clamp(1.25rem,3vw,1.75rem);font-weight:300;color:var(--ch-text-secondary);margin-bottom:var(--ch-space-sm)}.ch-hero__sub{font-size:clamp(.875rem,2vw,1.125rem);color:var(--ch-text-muted)}@keyframes ch-court-appear{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes ch-float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes ch-glow-pulse{0%{opacity:.7}to{opacity:1}}.ch-panels{position:relative;padding:var(--ch-space-xl) var(--ch-space-lg);margin-top:-6rem;z-index:10}.ch-panels__grid{max-width:var(--ch-max-width);margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:var(--ch-space-lg)}.ch-panel{background:var(--ch-glass-bg);backdrop-filter:blur(var(--ch-glass-blur));-webkit-backdrop-filter:blur(var(--ch-glass-blur));border:1px solid var(--ch-glass-border);border-radius:16px;overflow:hidden;transition:var(--ch-transition);cursor:default}.ch-panel:hover{transform:translateY(-4px);border-color:#fff3;box-shadow:0 20px 40px #0000004d}.ch-panel__accent{height:4px;width:100%}.ch-panel__body{padding:var(--ch-space-lg)}.ch-panel__title{font-size:1.5rem;font-weight:600;margin-bottom:var(--ch-space-xs)}.ch-panel__subtitle{font-size:.875rem;color:var(--ch-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--ch-space-md)}.ch-panel__description{font-size:.95rem;color:var(--ch-text-secondary);line-height:1.7;margin-bottom:var(--ch-space-lg)}.ch-panel__cta{display:inline-flex;align-items:center;font-weight:500;font-size:.95rem;color:var(--ch-accent);transition:var(--ch-transition)}.ch-panel__cta:hover{color:#fff}.ch-panel__arrow{transition:transform .3s ease}.ch-panel__cta:hover .ch-panel__arrow{transform:translate(4px)}.ch-footer{padding:var(--ch-space-xl) var(--ch-space-lg) var(--ch-space-lg);border-top:1px solid var(--ch-glass-border)}.ch-footer__container{max-width:var(--ch-max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between}.ch-footer__logo{height:36px;opacity:.6;transition:var(--ch-transition)}.ch-footer__logo:hover{opacity:1}.ch-footer__copy{font-size:.875rem;color:var(--ch-text-muted)}@keyframes ch-fade-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.ch-panel{animation:ch-fade-up .6s ease-out both}.ch-panel:nth-child(1){animation-delay:.1s}.ch-panel:nth-child(2){animation-delay:.2s}.ch-panel:nth-child(3){animation-delay:.3s}.ch-panel:nth-child(4){animation-delay:.4s}@keyframes ch-fade-in{0%{opacity:0}to{opacity:1}}.ch-hero__title{animation:ch-fade-in 1s ease-out .2s both}.ch-hero__tagline{animation:ch-fade-in 1s ease-out .5s both}.ch-hero__sub{animation:ch-fade-in 1s ease-out .8s both}@media(max-width:768px){.ch-panels__grid{grid-template-columns:1fr;gap:var(--ch-space-md)}.ch-panels{margin-top:-3rem;padding:var(--ch-space-lg) var(--ch-space-md)}.ch-hero__content{padding:var(--ch-space-md)}.ch-header__nav{display:none}.ch-header__hamburger{display:flex}.ch-footer__container{flex-direction:column;gap:var(--ch-space-md);text-align:center}}@media(min-width:1400px){:root{--ch-max-width: 1320px}}.hiw{--hiw-client: #667eea;--hiw-network: #4facfe;--hiw-server: #f5576c;--hiw-engine: #43e97b;--hiw-store: #f093fb;display:block;padding-top:var(--ch-header-height)}.hiw-inner{width:100%;max-width:var(--ch-max-width);margin:0 auto;padding:0 var(--ch-space-lg)}.hiw-section{padding:calc(var(--ch-space-xl) * .9) 0;border-top:1px solid var(--ch-glass-border)}.hiw-section__title{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700;letter-spacing:-.02em;margin-bottom:var(--ch-space-md)}.hiw-section__lede,.hiw-section__body{color:var(--ch-text-secondary);max-width:68ch;font-size:1.05rem}.hiw-section__lede{margin-bottom:var(--ch-space-lg)}.hiw-hero{padding:calc(var(--ch-header-height) * .5) 0 var(--ch-space-xl);background:radial-gradient(1200px 500px at 20% -10%,rgba(102,126,234,.18),transparent 60%),radial-gradient(900px 450px at 90% 0%,rgba(240,147,251,.12),transparent 55%)}.hiw-hero__inner{max-width:var(--ch-max-width);margin:0 auto;padding:var(--ch-space-xl) var(--ch-space-lg) var(--ch-space-lg)}.hiw-hero__eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;font-weight:600;color:var(--ch-accent);margin-bottom:var(--ch-space-md)}.hiw-hero__title{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.05;margin-bottom:var(--ch-space-lg)}.hiw-hero__lede{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ch-text-secondary);max-width:62ch}.hiw-codes{background:linear-gradient(180deg,rgba(240,147,251,.06),transparent 70%)}.hiw-codes__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--ch-space-md);margin-top:var(--ch-space-lg)}.hiw-codes__card{background:var(--ch-glass-bg);border:1px solid var(--ch-glass-border);border-radius:16px;padding:var(--ch-space-lg);-webkit-backdrop-filter:blur(var(--ch-glass-blur));backdrop-filter:blur(var(--ch-glass-blur))}.hiw-codes__k{font-size:1.05rem;font-weight:600;margin-bottom:var(--ch-space-sm);color:var(--hiw-store)}.hiw-codes__v{color:var(--ch-text-secondary);font-size:.95rem}.hiw-lanes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--ch-space-md)}.hiw-lane{background:var(--ch-glass-bg);border:1px solid var(--ch-glass-border);border-left:3px solid var(--ch-accent);border-radius:14px;padding:var(--ch-space-lg)}.hiw-lane--process{border-left-color:var(--hiw-client)}.hiw-lane--client{border-left-color:var(--hiw-network)}.hiw-lane--library{border-left-color:var(--hiw-engine)}.hiw-lane__badge{display:inline-block;font-weight:600;font-size:1.1rem;margin-bottom:var(--ch-space-sm)}.hiw-lane__desc{color:var(--ch-text-secondary);font-size:.95rem}.hiw-lane__eg{color:var(--ch-text-muted);font-size:.85rem;margin-top:var(--ch-space-sm)}.hiw-map__clients{display:flex;flex-wrap:wrap;align-items:center;gap:var(--ch-space-sm);margin-bottom:var(--ch-space-lg)}.hiw-map__strip-label,.hiw-map__detail-links-label{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:600;color:var(--ch-text-muted)}.hiw-map__chip{font-size:.82rem;padding:.25rem .7rem;border-radius:999px;border:1px solid var(--ch-glass-border);background:#ffffff0a;color:var(--ch-text-secondary)}.hiw-map__grids{display:grid;grid-template-columns:3fr 1fr;gap:var(--ch-space-md)}.hiw-map__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--ch-space-sm);align-content:start}.hiw-map__grid--stores{grid-template-columns:1fr;border-left:1px dashed var(--ch-glass-border);padding-left:var(--ch-space-md)}.hiw-node{display:flex;flex-direction:column;gap:2px;text-align:left;padding:var(--ch-space-md);border-radius:12px;border:1px solid var(--ch-glass-border);background:var(--ch-glass-bg);color:var(--ch-text-primary);cursor:pointer;font-family:inherit;transition:var(--ch-transition)}.hiw-node:hover{border-color:var(--ch-accent);transform:translateY(-2px)}.hiw-node__name{font-weight:600;font-size:.92rem}.hiw-node__port{font-size:.75rem;color:var(--ch-text-muted);font-variant-numeric:tabular-nums}.hiw-node--store{border-style:dashed}.hiw-node.is-active{border-color:var(--ch-accent);background:#667eea29;box-shadow:0 0 0 1px var(--ch-accent),0 8px 30px #667eea40}.hiw-node.is-linked{border-color:var(--hiw-engine);box-shadow:0 0 0 1px #43e97b66}.hiw-node.is-dimmed{opacity:.32}.hiw-map__detail{margin-top:var(--ch-space-md);min-height:96px;background:var(--ch-glass-bg);border:1px solid var(--ch-glass-border);border-radius:14px;padding:var(--ch-space-lg);-webkit-backdrop-filter:blur(var(--ch-glass-blur));backdrop-filter:blur(var(--ch-glass-blur))}.hiw-map__detail-hint{color:var(--ch-text-muted)}.hiw-map__detail-name{font-size:1.15rem;font-weight:600;margin-bottom:var(--ch-space-sm)}.hiw-map__detail-role{color:var(--ch-text-secondary);font-size:.95rem}.hiw-map__detail-links{margin-top:var(--ch-space-sm);font-size:.9rem;color:var(--ch-text-secondary)}.hiw-flow__pipeline{list-style:none;display:flex;flex-wrap:wrap;gap:var(--ch-space-sm);margin-bottom:var(--ch-space-lg);counter-reset:none}.hiw-flow__step{display:flex;align-items:center;gap:var(--ch-space-sm);padding:.6rem .9rem;border-radius:10px;border:1px solid var(--ch-glass-border);background:#ffffff08;cursor:pointer;transition:var(--ch-transition);opacity:.55}.hiw-flow__step-n{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:.72rem;font-weight:700;background:#ffffff1a}.hiw-flow__step-label{font-size:.85rem}.hiw-flow__step.is-done{opacity:.8}.hiw-flow__step.is-active{opacity:1;border-color:currentColor;background:#ffffff0f;box-shadow:0 6px 24px #00000059}.hiw-flow__step--client.is-active{color:var(--hiw-client)}.hiw-flow__step--network.is-active{color:var(--hiw-network)}.hiw-flow__step--server.is-active{color:var(--hiw-server)}.hiw-flow__step--engine.is-active{color:var(--hiw-engine)}.hiw-flow__step--store.is-active{color:var(--hiw-store)}.hiw-flow__step.is-active .hiw-flow__step-n{background:currentColor;color:#0a0a1a}.hiw-flow__detail{background:var(--ch-glass-bg);border:1px solid var(--ch-glass-border);border-radius:14px;padding:var(--ch-space-lg);min-height:108px}.hiw-flow__detail-where{display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:700;margin-bottom:var(--ch-space-sm);padding:2px 8px;border-radius:6px}.hiw-flow__detail-where--client{color:var(--hiw-client);background:#667eea26}.hiw-flow__detail-where--network{color:var(--hiw-network);background:#4facfe26}.hiw-flow__detail-where--server{color:var(--hiw-server);background:#f5576c26}.hiw-flow__detail-where--engine{color:var(--hiw-engine);background:#43e97b26}.hiw-flow__detail-where--store{color:var(--hiw-store);background:#f093fb26}.hiw-flow__detail-text{color:var(--ch-text-secondary);font-size:1rem}.hiw-flow__controls{display:flex;gap:var(--ch-space-sm);margin-top:var(--ch-space-md)}.hiw-flow__note{margin-top:var(--ch-space-lg);padding-left:var(--ch-space-md);border-left:2px solid var(--hiw-engine);color:var(--ch-text-secondary);font-size:.95rem;max-width:72ch}.hiw-btn{font-family:inherit;font-size:.9rem;font-weight:600;padding:.55rem 1.1rem;border-radius:10px;cursor:pointer;border:1px solid var(--ch-glass-border);transition:var(--ch-transition)}.hiw-btn--ghost{background:transparent;color:var(--ch-text-secondary)}.hiw-btn--ghost:hover{color:var(--ch-text-primary);border-color:var(--ch-accent)}.hiw-btn--solid{background:var(--ch-accent);color:#fff;border-color:transparent}.hiw-btn--solid:hover{filter:brightness(1.1);transform:translateY(-1px)}.hiw-btn--solid.is-playing{background:var(--hiw-server)}.hiw-scenes{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--ch-space-lg)}.hiw-scene{background:var(--ch-glass-bg);border:1px solid var(--ch-glass-border);border-radius:16px;padding:var(--ch-space-lg);-webkit-backdrop-filter:blur(var(--ch-glass-blur));backdrop-filter:blur(var(--ch-glass-blur))}.hiw-scene__kicker{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:600;color:var(--ch-accent)}.hiw-scene__title{font-size:1.35rem;font-weight:700;margin:var(--ch-space-sm) 0;letter-spacing:-.01em}.hiw-scene__body{color:var(--ch-text-secondary);font-size:.95rem}.hiw-scene__points{list-style:none;margin-top:var(--ch-space-md);display:flex;flex-wrap:wrap;gap:var(--ch-space-xs)}.hiw-scene__points li{font-size:.8rem;padding:.2rem .6rem;border-radius:999px;background:#ffffff0d;border:1px solid var(--ch-glass-border);color:var(--ch-text-secondary)}.hiw-cta{padding:var(--ch-space-xl) 0;text-align:center;border-top:1px solid var(--ch-glass-border);background:radial-gradient(800px 300px at 50% 120%,rgba(102,126,234,.18),transparent 60%)}.hiw-cta__title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;margin-bottom:var(--ch-space-lg)}.hiw-cta__row{display:flex;flex-wrap:wrap;gap:var(--ch-space-md);justify-content:center}@media(max-width:720px){.hiw-map__grids{grid-template-columns:1fr}.hiw-map__grid--stores{border-left:none;padding-left:0;border-top:1px dashed var(--ch-glass-border);padding-top:var(--ch-space-md)}.hiw-inner{padding:0 var(--ch-space-md)}}@media(prefers-reduced-motion:reduce){.hiw-node,.hiw-flow__step,.hiw-btn{transition:none}}