@layer reset, base, components, motion;
@layer reset{*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:116px}body,h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}[hidden]{display:none!important}}
@layer base{
:root{color-scheme:light}body{background:var(--kf-background);color:var(--kf-foreground);font:var(--kf-text-base)/var(--kf-leading-body) var(--kf-font-body)}::selection{background:var(--kf-sun-400);color:var(--kf-forest-950)}:focus-visible{outline:3px solid var(--kf-focus-ring);outline-offset:5px}
h1{font-size:var(--kf-text-h1);font-weight:600;line-height:1.3;letter-spacing:-.045em}h2{font-size:var(--kf-text-h2);line-height:1.4;font-weight:500;letter-spacing:-.035em}h3{font-size:var(--kf-text-h3);line-height:1.5;font-weight:500}p{text-wrap:pretty}.shell{width:min(var(--kf-layout-max),calc(100% - var(--kf-layout-gutter)*2));margin-inline:auto}.section{padding-block:var(--kf-section-space)}.compact-section{padding-top:24px}.eyebrow{font-size:14px;letter-spacing:.13em;margin-bottom:24px}.highlight{color:var(--kf-accent)}.section-heading{margin-bottom:48px}.section-heading>p:last-child{margin-top:24px;color:var(--kf-foreground-muted)}.section-heading-row{display:flex;align-items:end;justify-content:space-between;gap:32px}.chapter-number{display:block;font-size:14px;letter-spacing:.08em;color:var(--kf-foreground-muted);margin-bottom:20px}
.button{display:inline-flex;align-items:center;justify-content:center;background:var(--kf-primary);color:var(--kf-primary-foreground);padding:14px 25px;border:1px solid var(--kf-primary);border-radius:var(--kf-radius-sm);font-size:15px;line-height:1.5;transition:transform var(--kf-duration-base) var(--kf-ease),background var(--kf-duration-base);min-height:48px}.button:hover{transform:translateY(-3px);background:var(--kf-primary-hover);box-shadow:var(--kf-shadow-sm)}.button-small{padding:10px 17px;font-size:14px;min-height:42px}.button-outline{color:var(--kf-primary);background:transparent}.button-outline:hover{color:var(--kf-primary-foreground)}.button-cream{color:var(--kf-primary);background:var(--kf-surface);border-color:var(--kf-surface)}.button-cream:hover{color:var(--kf-primary);background:var(--kf-secondary)}.text-link{font-size:15px;border-bottom:1px solid currentColor;padding-bottom:4px;transition:color var(--kf-duration-base)}.text-link:hover{color:var(--kf-accent)}.check-list{list-style:none;padding:0;margin:24px 0}.check-list li{position:relative;padding-left:25px;margin-block:12px}.check-list li::before{content:'✓';color:var(--kf-accent);position:absolute;left:0}.implementation-note{font-size:14px;color:var(--kf-foreground-muted);padding-top:16px;border-top:1px solid var(--kf-border)}
}
@layer components{
.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:10px 20px;background:var(--kf-surface);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;background:var(--kf-accent);transform:scaleX(var(--reading,0));transform-origin:left;z-index:60}.site-header{position:sticky;top:0;z-index:50;width:100%;padding:19px var(--kf-layout-gutter);min-height:var(--kf-header-height);display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--kf-border);background:color-mix(in srgb,var(--kf-background) 92%,transparent);backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:28px;font-weight:600;letter-spacing:-1.2px;flex-shrink:0}.brand-dot{color:var(--kf-accent)}.site-header nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px);font-size:14px}.site-header nav a{position:relative;padding-block:8px}.site-header nav a::after{content:'';position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--kf-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--kf-duration-base) var(--kf-ease)}.site-header nav a:hover::after,.site-header nav a[aria-current]::after{transform:scaleX(1)}.header-actions{display:flex;align-items:center;gap:18px}.motion-toggle{display:inline-flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--kf-foreground-muted);font-size:12px;padding:10px 0;white-space:nowrap;min-height:44px}.motion-dot{width:9px;height:9px;border:1px solid var(--kf-primary);border-radius:50%;background:var(--kf-primary)}.motion-toggle[aria-pressed=true] .motion-dot{background:transparent}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--kf-border);border-radius:var(--kf-radius-sm);background:var(--kf-surface);padding:11px}.menu-toggle span{display:block;height:1px;background:var(--kf-foreground);margin:5px 0;transition:transform var(--kf-duration-base)}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3px) rotate(-45deg)}
.hero{display:grid;grid-template-columns:.97fr 1.15fr;align-items:center;gap:24px;min-height:680px;padding-block:64px 76px}.hero-copy{position:relative;z-index:2}.hero .eyebrow{margin-bottom:30px}.headline-line{display:block;overflow:clip}.headline-line>span{display:block}.hero-description{margin-top:27px;font-size:18px;color:var(--kf-foreground-muted);line-height:1.85}.hero-actions{display:flex;gap:27px;align-items:center;flex-wrap:wrap;margin-top:34px}.hero-note{font-size:14px;color:var(--kf-foreground-muted);margin-top:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.status-pill{display:inline-block;font-size:12px;line-height:1.5;padding:4px 9px;color:var(--kf-primary);background:var(--kf-secondary);border-radius:var(--kf-radius-pill)}.status-orange{color:var(--kf-accent);background:var(--kf-accent-soft)}
.hero-visual{position:relative;min-width:0;min-height:500px;perspective:1100px}.hero-image{display:block;padding-top:38px;transform:translateY(calc(var(--parallax-y,0)*1px))}.hero-image .playground-scene{aspect-ratio:1.1;border-radius:46% 46% 9% 9%;--scene-position:65% 60%;mix-blend-mode:multiply}.hero-roundel{position:absolute;right:16px;top:-3px;width:104px;height:104px;border-radius:50%;background:var(--kf-sun-400);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:3;font-size:11px;text-align:center;line-height:1.7;letter-spacing:.05em;transform:rotate(12deg)}.hero-roundel span{font-size:10px;border-top:1px solid var(--kf-primary);margin-top:5px;padding-top:5px}.hero-roster{position:absolute;top:64px;left:-3px;width:192px;padding:21px;background:var(--kf-surface);box-shadow:var(--kf-shadow-md);border:1px solid var(--kf-border);border-radius:3px;--float-angle:-8deg;z-index:4}.paper-kicker{display:block;font-size:11px;margin-bottom:14px}.hero-roster>div{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--kf-border);padding:9px 0;font-size:13px}.check{color:var(--kf-primary)}.paper-foot{display:block;font-size:11px;margin-top:10px;color:var(--kf-foreground-muted)}.hero-programme{position:absolute;right:4px;bottom:24px;width:168px;height:211px;background:var(--kf-primary);color:var(--kf-primary-foreground);padding:23px 21px;border-left:7px solid var(--kf-forest-950);box-shadow:var(--kf-shadow-md);--float-angle:9deg;animation-delay:-2.6s!important;z-index:4}.hero-programme>span{font-size:10px;letter-spacing:.15em}.hero-programme strong{display:block;font-family:var(--kf-font-editorial);font-size:22px;font-weight:400;line-height:1.5;margin:17px 0}.programme-track{height:18px;border:1px solid var(--kf-sun-400);border-radius:18px;margin-bottom:13px}.hero-programme small{font-size:10px}.hero-caption{font-size:12px;position:absolute;bottom:-21px;left:20px;color:var(--kf-foreground-muted)}
.ticker{background:var(--kf-primary);color:var(--kf-primary-foreground);padding:18px 0;overflow:clip;transform:rotate(-1.3deg);margin-bottom:20px}.ticker-track{display:flex;align-items:center;gap:42px;width:max-content;animation:ticker 45s linear infinite}.ticker span{font-size:15px;letter-spacing:.1em;white-space:nowrap}.ticker i{color:var(--kf-sun-400);font-style:normal}.teacher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.teacher-panel{position:relative;background:var(--kf-secondary);padding:43px;border-radius:var(--kf-radius-md);overflow:clip;transition:transform var(--kf-duration-base) var(--kf-ease)}.teacher-panel:hover{transform:translateY(-5px)}.teacher-panel h3{font-size:28px;margin-bottom:19px}.teacher-panel p{max-width:430px}.teacher-keywords{display:flex;gap:10px;flex-wrap:wrap;margin-top:31px}.teacher-keywords span{font-size:14px;padding:5px 11px;border:1px solid color-mix(in srgb,currentColor 25%,transparent);border-radius:var(--kf-radius-pill)}.teacher-bottom{font-family:var(--kf-font-editorial);font-size:21px;margin-top:42px;padding-top:24px;border-top:1px solid color-mix(in srgb,currentColor 25%,transparent)}.teacher-panel-dark{background:var(--kf-primary);color:var(--kf-primary-foreground)}.teacher-panel-dark .chapter-number{color:var(--kf-inverse-muted)}
.workflow-section{padding-block:var(--kf-section-space) 32px;background:var(--kf-surface-muted);border-block:1px solid var(--kf-border)}.workflow-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--kf-border-strong)}.workflow-tabs button{color:var(--kf-foreground-muted);font-size:16px;padding:23px 15px;background:transparent;border:0;text-align:left;transition:color var(--kf-duration-base)}.workflow-tabs button span{font-size:12px;margin-right:16px}.workflow-tabs button[aria-selected=true]{color:var(--kf-primary)}.workflow-tabs button:hover{color:var(--kf-primary)}.workflow-progress{height:3px;background:var(--kf-border)}.workflow-progress span{display:block;width:25%;height:100%;background:color-mix(in srgb,var(--kf-accent) 18%,var(--kf-border));transform:translateX(calc(var(--step,0)*100%));transition:transform 500ms var(--kf-ease)}.workflow-progress span::after{content:"";display:block;width:100%;height:100%;background:var(--kf-accent);transform:scaleX(var(--step-progress,0));transform-origin:left}.workflow-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:56px 12px 25px;align-items:center;min-height:455px;animation:panel-enter 500ms var(--kf-ease) both}.workflow-copy .eyebrow{margin-bottom:17px}.workflow-copy h3{font-size:30px;margin-bottom:20px}.workflow-copy>p:not(.eyebrow){color:var(--kf-foreground-muted)}.workflow-copy .check-list{font-size:15px}.product-sample{background:var(--kf-surface);border:1px solid var(--kf-border);box-shadow:var(--kf-shadow-md);border-radius:var(--kf-radius-md);padding:29px;transform:rotate(1.5deg);transition:transform var(--kf-duration-base);min-width:0}.product-sample:hover{transform:rotate(0deg) translateY(-4px)}.sample-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid var(--kf-border);font-size:19px}.sample-heading small{font-size:12px;color:var(--kf-foreground-muted)}.sample-table{margin-top:13px}.table-line{display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:10px;font-size:13px;padding:16px 0;border-bottom:1px solid var(--kf-border)}.table-head{font-size:12px;color:var(--kf-foreground-muted)}.sample-ok{color:var(--kf-success)}.sample-warning{color:var(--kf-warning)}.sample-foot{font-size:12px;color:var(--kf-foreground-muted);margin-top:22px}.sample-caption{font-size:13px;color:var(--kf-foreground-muted);padding:17px 0}.sample-people{display:flex;gap:30px;margin:3px 0 20px;font-size:12px}.sample-people b{font-weight:500;display:block;color:var(--kf-foreground);font-size:15px}.sample-person{display:flex;align-items:center;gap:13px;padding:11px 0;border-bottom:1px solid var(--kf-border);font-size:14px}.sample-person .sample-ok{margin-left:auto}.person-badge{width:29px;height:29px;background:var(--kf-secondary);display:grid;place-items:center;border-radius:50%;font-size:12px}.sample-time{display:flex;gap:24px;padding:18px 0;border-bottom:1px solid var(--kf-border)}.sample-time b{font-size:19px;font-weight:400}.sample-time strong{display:block;font-size:13px;font-weight:500}.sample-time div span{color:var(--kf-foreground-muted);font-size:12px}.sample-book{display:flex;justify-content:center;gap:1px;padding:23px 0 9px}.mini-cover{width:47%;background:var(--kf-primary);color:var(--kf-primary-foreground);padding:20px;min-height:244px;border-left:5px solid var(--kf-forest-950);transform:rotate(-4deg);z-index:2}.mini-cover>span{font-size:9px;letter-spacing:.16em}.mini-cover strong{font-family:var(--kf-font-editorial);font-size:22px;font-weight:400;display:block;margin:21px 0;line-height:1.5}.mini-cover i{display:block;height:17px;border-radius:20px;border:1px solid var(--kf-sun-400)}.mini-cover small{display:block;font-size:9px;margin-top:22px;line-height:1.7}.mini-page{width:47%;padding:24px 16px;border:1px solid var(--kf-border);background:var(--kf-background);transform:rotate(4deg)}.mini-page>span{font-size:13px;display:block;margin-block:5px 8px}.mini-page i{height:13px;border-top:1px solid var(--kf-border);display:block}.workflow-route{padding-top:25px}.workflow-route svg{width:100%;display:block}.path-draw{stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--section-progress,0));transition:stroke-dashoffset 150ms linear}
.programme-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.programme-scene{position:relative;min-height:490px;perspective:1000px}.document-sheet{position:absolute;width:58%;border:1px solid var(--kf-border);padding:35px;box-shadow:var(--kf-shadow-sm);transition:transform 900ms var(--kf-ease)}.document-back{background:var(--kf-surface);left:33%;top:28px;height:395px;transform:rotate(8deg)}.document-back>span{font-family:var(--kf-font-editorial);font-size:25px;display:block;margin-bottom:31px}.document-back i{display:block;height:32px;border-top:1px solid var(--kf-border)}.document-sheet small{font-size:11px;opacity:.8;display:block;margin-top:26px}.document-front{background:var(--kf-primary);color:var(--kf-primary-foreground);top:8px;left:8%;height:405px;transform:rotate(-8deg);border-left:9px solid var(--kf-forest-950);z-index:2;transform-origin:left}.document-front>span{font-size:9px;letter-spacing:.12em}.document-front h3{font-family:var(--kf-font-editorial);font-size:33px;font-weight:400;margin:42px 0 30px;line-height:1.5}.document-front p{font-size:12px;line-height:1.7;margin-top:23px}.document-cover-track{height:22px;border:1px solid var(--kf-sun-400);border-radius:28px}.programme-scene:hover .document-front{transform:rotate(-12deg) rotateY(-17deg) translateX(-14px)}.programme-scene:hover .document-back{transform:rotate(12deg) translateX(15px)}.document-stamp{position:absolute;right:2%;bottom:30px;border:1px solid var(--kf-accent);color:var(--kf-accent);font-size:17px;padding:15px 19px;line-height:1.6;transform:rotate(-12deg);z-index:3}.programme-copy>p:not(.eyebrow){color:var(--kf-foreground-muted);margin-top:23px}.programme-copy .text-link{display:inline-block;margin-top:30px}.programme-copy small{display:block;color:var(--kf-foreground-muted);font-size:12px;margin-top:27px}
.sports-section{background:var(--kf-cream-200);padding-block:var(--kf-section-space);border-radius:46px 46px 0 0}.sports-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.sport-card{background:var(--kf-surface);padding:18px 19px 24px;border-radius:var(--kf-radius-md);position:relative;transition:box-shadow var(--kf-duration-base),translate var(--kf-duration-base) var(--kf-ease)}.sport-card:hover{translate:0 -7px;box-shadow:var(--kf-shadow-md)}.sport-card-label{display:flex;justify-content:space-between;gap:7px;font-size:11px;color:var(--kf-foreground-muted)}.sport-card-label small{font-size:9px;letter-spacing:.08em}.sport-art{width:100%;height:auto;display:block;margin-block:7px}.sport-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px}.sport-card-foot h3{font-size:18px}.sport-card-foot>span{font-size:8px;color:var(--kf-foreground-muted)}.sport-card-foot a{font-size:12px;border-bottom:1px solid var(--kf-border-strong)}.sport-static-link{font-size:12px;color:var(--kf-foreground-muted);display:inline-block;margin-top:12px;border-bottom:1px solid var(--kf-border-strong)}.sports-bottom{display:flex;gap:25px;justify-content:space-between;align-items:center;margin-top:31px}.sports-bottom>span{font-size:13px;color:var(--kf-foreground-muted)}.sports-grid-full{grid-template-columns:repeat(3,minmax(0,1fr))}.sports-download-bar{display:flex;justify-content:space-between;gap:24px;margin-block:35px;align-items:center}.sports-download-bar p{color:var(--kf-foreground-muted);font-size:14px}
.price-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.price-copy>p:not(.eyebrow){color:var(--kf-foreground-muted);margin:26px 0}.price-card{background:var(--kf-surface);padding:37px;border:1px solid var(--kf-border);border-radius:var(--kf-radius-md);box-shadow:var(--kf-shadow-sm);position:relative}.price-top{display:flex;justify-content:space-between;gap:15px;font-size:13px;color:var(--kf-foreground-muted)}.price-number{font-family:Georgia,serif;font-size:84px;line-height:1.5;letter-spacing:-3px;margin:15px 0;display:flex;align-items:baseline;gap:9px}.price-number>span{font:27px var(--kf-font-body);letter-spacing:0}.price-number>small{font:14px var(--kf-font-body);letter-spacing:0}.price-rule{border-bottom:1px solid var(--kf-border)}.price-card .check-list{margin:26px 0 33px;font-size:15px}.price-card .button{width:100%}.pricing-comparison{display:grid;grid-template-columns:1fr 1fr;gap:40px}.pricing-tier{border:1px solid var(--kf-border);padding:44px;border-radius:var(--kf-radius-md)}.pricing-tier h2{font-size:32px;margin-top:25px}.pricing-tier .check-list{margin-block:45px}.pricing-callout{margin-top:35px}
.faq-section{padding-top:0}.faq-section>.text-link{display:inline-block;margin-top:28px}.faq-list{border-top:1px solid var(--kf-border-strong)}.faq-item{border-bottom:1px solid var(--kf-border-strong)}.faq-item summary{display:flex;align-items:center;gap:23px;padding:24px 0;font-size:18px;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-number{font-size:12px;color:var(--kf-foreground-muted);flex-shrink:0}.faq-plus{margin-left:auto;font-weight:400;font-size:24px;transition:transform var(--kf-duration-base);flex-shrink:0}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-item p{color:var(--kf-foreground-muted);padding:0 54px 27px 39px;max-width:960px;animation:panel-enter var(--kf-duration-base) var(--kf-ease)}.closing-section{background:var(--kf-primary);color:var(--kf-primary-foreground);padding-block:100px;overflow:clip}.closing-content{position:relative;z-index:1}.closing-content h2{font-size:clamp(2rem,3.7vw,3.5rem);position:relative;z-index:2}.closing-content h2 span{color:var(--kf-sun-400)}.closing-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:35px;position:relative;z-index:2}.inverse-link{font-size:15px;border-bottom:1px solid currentColor;padding-bottom:4px}.closing-oval{position:absolute;right:-150px;top:-30px;height:420px;width:630px;border:1px solid color-mix(in srgb,var(--kf-sun-400) 40%,transparent);border-radius:60%;transform:rotate(-20deg)}.closing-oval::before,.closing-oval::after{content:'';position:absolute;inset:23px;border:1px solid color-mix(in srgb,var(--kf-sun-400) 40%,transparent);border-radius:inherit}.closing-oval::after{inset:46px}
.site-footer{background:var(--kf-inverse-background);color:var(--kf-inverse-foreground);padding-top:64px}.footer-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:45px;padding-bottom:55px}.footer-brand p{font-family:var(--kf-font-editorial);font-size:24px;margin:22px 0 10px}.footer-brand small{color:var(--kf-inverse-muted);font-size:12px}.footer-column{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--kf-inverse-muted)}.footer-column strong{font-weight:500;color:var(--kf-inverse-foreground);margin-bottom:8px}.footer-column a:hover{color:var(--kf-sun-400)}.footer-bottom{border-top:1px solid color-mix(in srgb,var(--kf-inverse-muted) 25%,transparent);padding-block:22px;display:flex;gap:20px;justify-content:space-between;color:var(--kf-inverse-muted);font-size:12px}
.page-intro{padding-block:92px 65px}.page-intro h1{font-size:clamp(2.1rem,4vw,3.7rem)}.intro-description{max-width:670px;color:var(--kf-foreground-muted);font-size:18px;margin-top:28px}.feature-boundary{padding:65px 0 0;margin-top:55px;border-top:1px solid var(--kf-border)}.feature-boundary p{max-width:700px;margin:25px 0;color:var(--kf-foreground-muted)}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.guide-card{padding:34px;background:var(--kf-surface);border:1px solid var(--kf-border);border-radius:var(--kf-radius-md);transition:transform var(--kf-duration-base) var(--kf-ease),box-shadow var(--kf-duration-base)}.guide-card:hover{transform:translateY(-6px);box-shadow:var(--kf-shadow-md)}.guide-card h2{font-size:27px}.guide-card p{color:var(--kf-foreground-muted);margin:22px 0 32px;font-size:15px}.guide-checklist{margin-top:80px}.guide-checklist ol{list-style:none;padding:0}.guide-checklist li{display:grid;grid-template-columns:190px 1fr;gap:25px;padding:25px 0;border-bottom:1px solid var(--kf-border)}.guide-checklist strong{font-weight:500}.guide-checklist span{color:var(--kf-foreground-muted)}.article-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:80px;padding-bottom:90px}.article-nav{position:sticky;top:125px;height:fit-content;display:flex;flex-direction:column;gap:12px;border-left:1px solid var(--kf-border);padding-left:25px;font-size:14px}.article-nav span{color:var(--kf-foreground-muted);font-size:12px;margin-bottom:10px}.article-nav a:hover{color:var(--kf-accent)}.article-section{padding-bottom:60px}.article-section h2{font-size:29px;margin-bottom:20px}.article-section>p:not(.chapter-number){color:var(--kf-foreground-muted);margin:16px 0}.article-callout{background:var(--kf-surface-muted);border-left:3px solid var(--kf-accent);padding:24px 28px;margin-top:23px}.article-callout strong{font-size:14px;font-weight:500}.article-callout p{color:var(--kf-foreground-muted);font-size:15px;margin-top:8px}.faq-page{max-width:950px}.faq-page .contact-card{margin-top:75px}
.contact-card{padding:35px;display:grid;grid-template-columns:168px 1fr;gap:42px;align-items:center;border:1px solid var(--kf-border);border-radius:var(--kf-radius-md);background:var(--kf-surface)}.contact-card .eyebrow{margin-bottom:12px}.contact-card p:not(.eyebrow){color:var(--kf-foreground-muted);margin:13px 0 18px;font-size:15px}.qr-space{height:168px;width:168px;background:var(--kf-background);position:relative;display:grid;place-items:center}.qr-label{text-align:center;font-size:15px;line-height:1.8}.qr-label small{font-size:12px;color:var(--kf-foreground-muted)}.qr-corner{position:absolute;width:27px;height:27px;border-color:var(--kf-primary);border-style:solid}.qr-tl{top:9px;left:9px;border-width:2px 0 0 2px}.qr-tr{top:9px;right:9px;border-width:2px 2px 0 0}.qr-bl{bottom:9px;left:9px;border-width:0 0 2px 2px}.qr-br{bottom:9px;right:9px;border-width:0 2px 2px 0}
.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.status-card{padding:36px;border:1px solid var(--kf-border);background:var(--kf-surface);border-radius:var(--kf-radius-md)}.status-card h2{font-size:27px;margin:22px 0}.status-card p{color:var(--kf-foreground-muted);margin-bottom:19px}.status-card small{font-size:12px;color:var(--kf-foreground-muted)}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:45px}.entry-grid article{border-top:1px solid var(--kf-border-strong);padding-top:25px}.entry-grid p{margin:16px 0;color:var(--kf-foreground-muted)}.entry-state{font-size:13px;color:var(--kf-accent)}.updated{color:var(--kf-foreground-muted);font-size:12px}
.brand-showcase{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--kf-border);border-radius:var(--kf-radius-md);overflow:clip}.brand-showcase>div{padding:60px 40px 35px;background:var(--kf-surface);display:flex;align-items:center;flex-direction:column;gap:36px}.brand-showcase .brand-inverse{background:var(--kf-primary);color:var(--kf-primary-foreground)}.brand-showcase span{font-size:13px}.swatch-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-block:45px 65px}.swatch>div{height:100px;border:1px solid var(--kf-border);border-radius:var(--kf-radius-sm);margin-bottom:15px}.swatch strong{display:block;font-size:15px;font-weight:500}.swatch span{display:block;font-size:12px;color:var(--kf-foreground-muted)}.swatch code{font-size:11px;overflow-wrap:anywhere}.brand-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.brand-resource h2{font-size:28px}.brand-resource p{color:var(--kf-foreground-muted);margin:22px 0}.brand-resource pre{padding:24px;background:var(--kf-surface-muted);overflow:auto;font-size:13px;margin-top:25px;border-radius:var(--kf-radius-sm)}.icon-preview{display:flex;align-items:center;gap:25px;margin-top:35px}.legal-content{max-width:800px;padding-bottom:100px}.legal-content h2{font-size:25px;margin-top:42px;margin-bottom:18px}.legal-content p{color:var(--kf-foreground-muted)}.legal-content .text-link{display:inline-block;margin-top:35px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,20px);background:var(--kf-primary);color:var(--kf-primary-foreground);border-radius:var(--kf-radius-sm);padding:12px 20px;opacity:0;pointer-events:none;z-index:90;transition:opacity 250ms,transform 250ms;font-size:14px;max-width:calc(100% - 40px);text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}
}
.brand-resource{min-width:0}.brand-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.icon-preview{flex-wrap:wrap}
@media(max-width:800px){.brand-resource-grid{grid-template-columns:minmax(0,1fr)}}
@layer motion{
.floating{animation:float 6.2s ease-in-out infinite}.motion-enabled .headline-line>span{animation:headline-enter 1.1s var(--kf-ease) both}.motion-enabled .headline-line:nth-child(2)>span{animation-delay:100ms}.motion-enabled .headline-line:nth-child(3)>span{animation-delay:200ms}.motion-enabled .entrance{animation:entrance 1s 250ms var(--kf-ease) both}.motion-enabled .hero-roundel{animation:roundel 18s ease-in-out infinite}.motion-enabled .hero-image{animation:art-enter 1.4s var(--kf-ease) both}.motion-enabled .reveal{opacity:0;transform:translateY(35px);transition:opacity var(--kf-duration-reveal) var(--kf-ease),transform var(--kf-duration-reveal) var(--kf-ease);transition-delay:var(--delay,0ms)}.motion-enabled .reveal.shown{opacity:1;transform:translateY(0)}
@keyframes float{0%,100%{transform:translateY(0) rotate(var(--float-angle,0deg))}50%{transform:translateY(calc(-1 * var(--kf-float-distance))) rotate(calc(var(--float-angle,0deg) + 2deg))}}@keyframes ticker{to{transform:translateX(-50%)}}@keyframes headline-enter{from{transform:translateY(115%)}to{transform:translateY(0)}}@keyframes entrance{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes art-enter{from{opacity:0;scale:.94}to{opacity:1;scale:1}}@keyframes roundel{0%,100%{rotate:0deg}50%{rotate:12deg}}@keyframes panel-enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
[data-motion=off] *,[data-motion=off] *::before,[data-motion=off] *::after{animation-play-state:paused!important}[data-motion=off] .reveal{opacity:1;transform:none;transition:none}[data-motion=off] .headline-line>span,[data-motion=off] .entrance,[data-motion=off] .hero-image,[data-motion=off] .workflow-panel,[data-motion=off] .faq-item p{animation:none;opacity:1}[data-motion=off] .hero-image{transform:none}
}
@media(min-width:1600px){.site-header{padding-inline:calc((100% - 1400px)/2)}}
@media(max-width:1100px){.header-actions{gap:12px}.site-header nav{gap:17px}.header-cta{display:none}.hero{gap:15px;min-height:610px}.hero-visual{min-height:450px}.hero-roster{width:161px;padding:17px}.hero-programme{width:146px;height:192px;padding:19px 16px}.hero-programme strong{font-size:21px}.workflow-panel,.programme-section,.price-section{gap:45px}.teacher-panel{padding:34px}.sports-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sports-grid-full{grid-template-columns:repeat(3,minmax(0,1fr))}.sport-card-foot>span{font-size:9px}.programme-scene{min-height:450px}.document-sheet{padding:25px}.document-front{height:375px}.document-front h3{font-size:27px}.document-back{height:365px}.footer-top{gap:28px}.article-layout{gap:40px;grid-template-columns:200px minmax(0,1fr)}}
@media(max-width:800px){
:root{--kf-header-height:76px}.site-header{padding-block:14px;gap:10px}.brand{font-size:25px;gap:7px}.brand img{width:32px;height:32px}.menu-toggle{display:block}.motion-toggle{font-size:11px}.site-header nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--kf-surface);padding:25px var(--kf-layout-gutter);flex-direction:column;align-items:stretch;border-bottom:1px solid var(--kf-border);gap:8px;box-shadow:var(--kf-shadow-md)}.site-header nav.is-open{display:flex;animation:panel-enter var(--kf-duration-base) var(--kf-ease)}.site-header nav a{padding:9px 0;font-size:16px}
.hero{grid-template-columns:1fr;padding-block:51px 57px;gap:40px}.hero h1{font-size:clamp(2.2rem,7vw,3.9rem)}.hero .eyebrow{margin-bottom:22px}.hero-description{font-size:17px;margin-top:24px}.hero-visual{width:100%;max-width:570px;margin:auto;min-height:430px}.hero-image .playground-scene{aspect-ratio:1.2;--scene-position:center}.hero-caption{bottom:-15px;left:10px}.hero-roster{top:38px;width:167px}.hero-programme{bottom:25px;width:148px}.hero-roundel{right:9px;width:88px;height:88px;font-size:10px}.ticker{padding-block:14px;margin-bottom:0}.ticker-track{gap:27px}.ticker span{font-size:14px}.section-heading-row{align-items:start;flex-direction:column;gap:18px}.section-heading-row>p:last-child{margin-top:0}.teacher-grid{grid-template-columns:1fr;gap:20px}.teacher-panel{padding:30px}.teacher-panel h3{font-size:25px}
.workflow-tabs button{padding:18px 9px;font-size:14px;display:flex;flex-direction:column;gap:5px}.workflow-tabs button span{margin:0}.workflow-panel{grid-template-columns:1fr;padding:34px 0 15px;gap:33px}.workflow-copy h3{font-size:26px}.product-sample{padding:23px;transform:none}.workflow-route{padding-top:18px}.programme-section{grid-template-columns:1fr;gap:20px}.programme-scene{max-width:500px;width:100%;margin:auto;min-height:450px}.document-front{width:57%;height:380px}.document-back{width:57%;height:365px}.document-front h3{font-size:29px}.sports-section{border-radius:25px 25px 0 0}.sports-grid{gap:13px}.sports-grid-full{grid-template-columns:repeat(2,minmax(0,1fr))}.sport-card{padding:14px 13px 18px}.sport-card-foot h3{font-size:17px}.sport-card-foot>span{display:none}.sport-card-label small{font-size:8px;letter-spacing:0}.sports-bottom{align-items:start;flex-direction:column;gap:16px}
.price-section{grid-template-columns:1fr;gap:34px}.price-card{padding:30px}.pricing-comparison{grid-template-columns:1fr;gap:23px}.pricing-tier{padding:30px}.faq-item summary{font-size:16px;gap:15px;padding-block:21px}.faq-item p{padding-left:27px;padding-right:12px;font-size:15px}.closing-section{padding-block:65px}.closing-oval{right:-380px;opacity:.5}.footer-top{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 16px}.footer-brand{grid-column:1/-1;margin-bottom:5px}.footer-column{font-size:12px;gap:12px}.footer-column strong{font-size:13px}.footer-bottom{flex-wrap:wrap;gap:8px 20px}.footer-bottom span:nth-child(2){width:100%;order:3}.page-intro{padding-block:56px 40px}.intro-description{font-size:16px;margin-top:22px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:27px}.guide-checklist{margin-top:50px}.guide-checklist li{grid-template-columns:1fr;gap:9px}.article-layout{grid-template-columns:1fr;gap:45px}.article-nav{position:static}.article-section{padding-bottom:40px}.article-section h2{font-size:25px}.contact-card{grid-template-columns:1fr;padding:27px;gap:25px}.qr-space{width:168px}.status-grid,.entry-grid{grid-template-columns:1fr}.status-card{padding:28px}.brand-showcase{grid-template-columns:1fr}.brand-showcase>div{padding:45px 26px 30px}.swatch-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 12px}.brand-resource-grid{grid-template-columns:1fr;gap:50px}.sports-download-bar{flex-direction:column;align-items:start}.icon-preview{gap:20px}
}
@media(max-width:400px){.hero h1{font-size:2.05rem}.hero-description{font-size:15px}.hero-visual{min-height:338px}.hero-roster{width:135px;padding:13px;top:37px}.paper-kicker,.paper-foot{font-size:9px}.hero-roster>div{font-size:11px;padding:8px 0}.hero-programme{width:124px;height:174px;padding:16px 12px;bottom:2px}.hero-programme strong{font-size:18px;margin:14px 0}.hero-programme small{font-size:9px}.hero-caption{bottom:-31px;font-size:11px}.hero-roundel{width:75px;height:75px}.hero-roundel span{font-size:8px}.hero-actions{gap:21px}.hero-actions .button{padding-inline:18px}.hero-actions .text-link{font-size:14px}.teacher-panel{padding:26px}.teacher-panel h3{font-size:22px}.document-sheet{padding:19px}.document-front{height:315px;left:5%;width:62%}.document-front h3{font-size:24px;margin:28px 0 22px}.document-front>span{font-size:7px}.document-back{height:300px;left:31%;width:62%}.document-back>span{font-size:22px}.document-back i{height:24px}.document-stamp{bottom:26px;font-size:14px;padding:10px}.programme-scene{min-height:380px}.sport-card-label small{display:none}.sport-card-foot{align-items:start;flex-direction:column;gap:3px}.sport-card-foot h3{font-size:16px}.price-card{padding:23px}.price-number{font-size:72px;flex-wrap:wrap}.price-number>small{font-size:12px}.motion-toggle{font-size:10px}.header-actions{gap:9px}.brand{font-size:23px;gap:5px}.header-actions .motion-dot{width:7px;height:7px}.table-line{font-size:11px;gap:6px}.product-sample{padding:19px}.mini-cover{padding:15px}.mini-cover strong{font-size:19px}}
@layer reset{.no-js .workflow-panel[hidden]{display:grid!important}}
.no-js .workflow-tabs,.no-js .workflow-progress,.no-js .motion-toggle{display:none}.no-js .workflow-panel{border-bottom:1px solid var(--kf-border)}
@media(max-width:800px){.no-js .site-header{flex-wrap:wrap}.no-js .site-header nav{position:static;display:flex;flex-direction:row;flex-wrap:wrap;order:3;width:100%;padding:10px 0;border:0;background:transparent;gap:12px 20px;font-size:14px}.no-js .menu-toggle{display:none}}
/* 转化入口：页头登录与免费开始、开始使用页与文章内的按钮行、数据安全区 */
.header-login{font-size:14px;padding-block:8px;white-space:nowrap}.header-login:hover{color:var(--kf-accent)}.site-header nav .nav-login{display:none}
.entry-actions,.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px}.article-actions{margin-top:28px}
.guide-checklist>p{margin-top:28px}.trust-section{padding-bottom:0}.trust-section .guide-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.trust-section .guide-card{padding:28px}.trust-section .guide-card h3{font-size:22px;margin-block:14px 10px}.trust-section>.text-link{display:inline-block;margin-top:28px}
@media(max-width:1100px){.header-cta{display:inline-flex}.header-login{display:none}.site-header nav .nav-login{display:block}}
@media(max-width:1100px){.trust-section .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.trust-section .guide-grid{grid-template-columns:1fr}}
@media(max-width:520px){.header-actions .motion-toggle [data-motion-label]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.header-cta{padding-inline:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition-duration:0ms!important}.reveal{opacity:1!important;transform:none!important}.hero-image{transform:none!important}}