@layer reset,base,components,responsive;@layer reset{*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}img{display:block;max-width:100%}button,a{font:inherit}button{border:0}a{color:inherit;text-decoration:none}}@layer base{:root{--ink: oklch(24% .025 55);--muted: oklch(49% .025 65);--paper: oklch(96% .024 82);--paper-deep: oklch(91% .035 78);--white: oklch(99% .008 80);--orange: oklch(61% .18 47);--orange-bright: oklch(72% .18 55);--orange-soft: oklch(91% .065 65);--slate: oklch(30% .035 253);--line: color-mix(in oklch, var(--ink) 14%, transparent);--display: "Songti SC", "Noto Serif SC", STSong, serif;--sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}html{color:var(--ink);background:var(--paper)}body{min-width:320px;font-family:var(--sans);font-size:17px;line-height:1.7;text-rendering:optimizeLegibility;overflow-x:hidden}::selection{color:var(--paper);background:var(--orange)}:focus-visible{outline:3px solid var(--orange-bright);outline-offset:4px}.skip-link{position:fixed;z-index:1000;top:12px;left:12px;transform:translateY(-150%);padding:10px 16px;color:var(--white);background:var(--ink);border-radius:8px}.skip-link:focus{transform:none}h1,h2,p{margin-top:0}h1,h2{font-family:var(--display);font-weight:700;letter-spacing:-.045em}h2{margin-bottom:28px;font-size:clamp(2.7rem,5vw,5.4rem);line-height:1.04}p{color:var(--muted)}.section{position:relative;padding:clamp(96px,11vw,170px) clamp(24px,5vw,80px)}.eyebrow,.index{margin-bottom:24px;color:var(--orange);font-size:.82rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.index{display:flex;align-items:center;gap:14px}.index:after{width:58px;height:1px;content:"";background:currentColor}.index.light{color:var(--orange-bright)}.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.16,1,.3,1)}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}}@layer components{.site-header{position:fixed;z-index:100;top:20px;left:50%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;width:min(calc(100% - 40px),1360px);min-height:68px;padding:10px 12px 10px 16px;transform:translate(-50%);color:var(--ink);border:1px solid transparent;border-radius:17px;transition:background .24s ease,border-color .24s ease,box-shadow .24s ease,top .24s ease}.site-header.scrolled{top:10px;background:color-mix(in oklch,var(--paper) 90%,transparent);border-color:var(--line);box-shadow:0 14px 44px color-mix(in oklch,var(--ink) 11%,transparent);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;justify-self:start;gap:11px;font-size:1.35rem;font-weight:800}.brand img{width:42px;height:42px;border-radius:11px}.desktop-nav{display:flex;align-items:center;gap:clamp(24px,3vw,46px);font-size:.94rem;font-weight:650}.desktop-nav a{position:relative}.desktop-nav a:after{position:absolute;right:0;bottom:-5px;left:0;height:2px;content:"";transform:scaleX(0);background:var(--orange);transition:transform .22s ease}.desktop-nav a:hover:after{transform:scaleX(1)}.header-cta{display:inline-flex;align-items:center;justify-self:end;gap:8px;min-height:46px;padding:0 20px;color:var(--white);background:var(--ink);border-radius:11px;font-weight:750}svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.nav-toggle{display:none;width:48px;height:48px;color:var(--ink);background:transparent}.nav-toggle span{display:block;width:24px;height:2px;margin:6px auto;background:currentColor;transition:transform .22s ease}.mobile-nav{display:none}.hero{position:relative;display:flex;min-height:100svh;align-items:center;overflow:hidden;padding:150px clamp(24px,7vw,110px) 100px;background:var(--paper-deep)}.hero-bg,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-bg{object-fit:cover;object-position:center}.hero-shade{background:linear-gradient(90deg,color-mix(in oklch,var(--paper) 97%,transparent) 0%,color-mix(in oklch,var(--paper) 90%,transparent) 31%,color-mix(in oklch,var(--paper) 20%,transparent) 60%,transparent 82%)}.hero-copy{position:relative;z-index:2;width:min(680px,50vw);padding-top:40px}.hero h1{margin-bottom:32px;font-size:clamp(4.2rem,8.6vw,9.2rem);line-height:.89}.hero h1 em{color:var(--orange);font-style:normal}.hero-lead{width:min(550px,100%);margin-bottom:38px;color:color-mix(in oklch,var(--ink) 75%,var(--paper));font-size:clamp(1.05rem,1.5vw,1.35rem);line-height:1.75}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px}.button{display:inline-flex;min-height:54px;align-items:center;justify-content:center;gap:9px;padding:0 24px;border-radius:12px;font-weight:800;transition:transform .22s ease,background .22s ease}.button:hover{transform:translateY(-2px)}.button.primary{color:var(--white);background:var(--orange);box-shadow:0 10px 30px color-mix(in oklch,var(--orange) 30%,transparent)}.button.primary:hover{background:color-mix(in oklch,var(--orange) 88%,var(--ink))}.button.text{padding-inline:6px;border-radius:0}.hero-proof{position:absolute;z-index:2;right:clamp(24px,4vw,70px);bottom:42px;display:flex;align-items:center;gap:14px;padding:13px 17px;color:var(--paper);background:color-mix(in oklch,var(--ink) 82%,transparent);border-radius:11px;backdrop-filter:blur(10px);font-size:.86rem}.hero-proof .proof-kicker{color:var(--orange-bright);font-weight:800}.hero-proof i{width:3px;height:3px;background:currentColor;border-radius:50%;opacity:.5}.scroll-note{position:absolute;z-index:2;bottom:42px;left:clamp(24px,7vw,110px);display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.78rem;letter-spacing:.12em}.scroll-note span{position:relative;width:1px;height:50px;overflow:hidden;background:var(--line)}.scroll-note span:after{position:absolute;top:-100%;left:0;width:1px;height:70%;content:"";background:var(--orange);animation:scrollline 2.2s ease-in-out infinite}@keyframes scrollline{0%{transform:translateY(0)}60%,to{transform:translateY(240%)}}.marquee{overflow:hidden;padding:16px 0;color:var(--paper);background:var(--ink);white-space:nowrap}.marquee div{display:flex;width:max-content;align-items:center;gap:26px;animation:marquee 28s linear infinite}.marquee span{font-family:var(--display);font-size:1.1rem}.marquee b{color:var(--orange-bright)}@keyframes marquee{to{transform:translate(-50%)}}.library{padding-bottom:clamp(120px,14vw,220px);background:var(--paper)}.section-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,450px);gap:40px 9vw;max-width:1260px;margin:0 auto 64px}.section-intro .index{grid-column:1 / -1;margin-bottom:-10px}.section-intro h2{margin:0}.section-intro>p:last-child{align-self:end;margin:0;font-size:1.06rem}.section-intro .freshness{display:block;margin-bottom:10px;color:var(--ink);font-family:var(--display);font-size:1.22em;line-height:1.5}.library-stage{position:relative;max-width:1300px;min-height:700px;margin:auto;overflow:hidden;border-radius:26px;background:var(--paper-deep)}.library-art{width:100%;height:100%;min-height:700px;object-fit:cover}.product-shot{overflow:hidden;margin:0;border:1px solid color-mix(in oklch,var(--ink) 14%,transparent);background:var(--white);box-shadow:0 34px 80px color-mix(in oklch,var(--ink) 20%,transparent)}.library-shot{position:absolute;right:4%;bottom:-1px;width:78%;border-radius:18px 18px 0 0;transform:rotate(-1.4deg);transform-origin:bottom right}.product-shot img{width:100%;height:auto}.browser-bar{display:flex;height:36px;align-items:center;gap:7px;padding:0 13px;border-bottom:1px solid var(--line);background:var(--white)}.browser-bar span{width:7px;height:7px;border-radius:50%;background:var(--paper-deep)}.browser-bar span:first-child{background:var(--orange)}.browser-bar small{margin-left:8px;color:var(--muted);font-size:11px}.callout{position:absolute;display:flex;align-items:center;gap:12px;padding:13px 16px;color:var(--ink);background:var(--white);border-radius:12px;box-shadow:0 16px 40px color-mix(in oklch,var(--ink) 18%,transparent)}.callout svg{width:27px;height:27px;color:var(--orange)}.callout span{display:flex;flex-direction:column;color:var(--muted);font-size:.82rem;line-height:1.4}.callout b{color:var(--ink);font-size:.94rem}.search-callout{z-index:2;right:2%;bottom:19%}.score-story{min-height:1040px;overflow:hidden;padding-top:clamp(120px,14vw,210px);background:var(--white)}.score-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left center;opacity:.48}.score-story:after{position:absolute;inset:0;content:"";background:linear-gradient(90deg,transparent 0%,color-mix(in oklch,var(--white) 8%,transparent) 40%,var(--white) 78%)}.score-copy{position:relative;z-index:2;width:min(540px,42vw);margin-left:auto;margin-right:4vw}.score-copy>p:not(.index){font-size:1.06rem}.plain-list{margin:38px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.plain-list li{display:flex;align-items:center;gap:18px;padding:17px 0;border-bottom:1px solid var(--line);font-weight:650}.plain-list span{color:var(--orange);font-size:.76rem;letter-spacing:.1em}.player-shot{position:absolute;z-index:3;right:-3%;bottom:7%;width:min(900px,66vw);border-radius:18px 0 0 18px;transform:rotate(1.2deg)}.practice{min-height:1050px;overflow:hidden;color:var(--paper);background:var(--slate)}.practice:after{position:absolute;inset:0;content:"";background:linear-gradient(90deg,color-mix(in oklch,var(--slate) 97%,transparent),color-mix(in oklch,var(--slate) 88%,transparent) 48%,color-mix(in oklch,var(--slate) 18%,transparent))}.practice-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;mix-blend-mode:luminosity;opacity:.35}.practice-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(320px,.8fr) minmax(500px,1.2fr);gap:clamp(50px,8vw,130px);max-width:1320px;margin:0 auto}.practice-copy{align-self:center}.practice-copy h2{font-size:clamp(2.7rem,4.5vw,4.9rem)}.practice-copy>p:not(.index){color:color-mix(in oklch,var(--paper) 72%,var(--slate))}.tool-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}.tool-list span{display:inline-flex;min-height:45px;align-items:center;gap:8px;padding:0 14px;border:1px solid color-mix(in oklch,var(--paper) 24%,transparent);border-radius:99px;font-size:.88rem}.feature-viewer{align-self:end;overflow:hidden;margin-top:140px;border:1px solid color-mix(in oklch,var(--paper) 20%,transparent);border-radius:20px;background:color-mix(in oklch,var(--ink) 86%,transparent);box-shadow:0 40px 100px color-mix(in oklch,var(--ink) 45%,transparent)}.viewer-tabs{display:flex;gap:4px;padding:9px}.viewer-tabs button{min-height:44px;padding:0 18px;color:color-mix(in oklch,var(--paper) 60%,transparent);background:transparent;border-radius:10px;cursor:pointer}.viewer-tabs button.on{color:var(--ink);background:var(--paper);font-weight:800}.viewer-frame{aspect-ratio:16 / 10;overflow:hidden;background:var(--paper)}.viewer-frame img{width:100%;height:100%;object-fit:cover;object-position:left top;transition:opacity .18s ease,transform .18s ease}.viewer-frame img.switching{opacity:0;transform:scale(.985)}.friendly{display:grid;grid-template-columns:minmax(0,1.14fr) minmax(360px,.86fr);gap:clamp(60px,8vw,130px);align-items:center;max-width:1500px;margin:auto;background:var(--paper)}.friendly-image-wrap{position:relative;min-height:720px}.friendly-image-wrap img{width:100%;height:720px;object-fit:cover;object-position:48% center;border-radius:5px 100px 5px 5px}.friendly blockquote{position:absolute;right:-4%;bottom:8%;margin:0;padding:28px 32px;color:var(--white);background:var(--orange);font-family:var(--display);font-size:clamp(1.4rem,2.5vw,2.2rem);font-weight:700;line-height:1.35;box-shadow:0 20px 55px color-mix(in oklch,var(--orange) 28%,transparent)}.friendly-copy{max-width:520px}.friendly-copy>p:not(.index){font-size:1.06rem}.friendly-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:45px;background:var(--line)}.friendly-facts div{display:flex;min-height:130px;flex-direction:column;justify-content:space-between;padding:20px;background:var(--paper)}.friendly-facts b{color:var(--orange);font-family:var(--display);font-size:2rem}.friendly-facts svg{width:32px;height:32px;color:var(--orange)}.friendly-facts span{color:var(--muted);font-size:.8rem;line-height:1.45}.final-cta{min-height:680px;display:grid;place-items:center;overflow:hidden;color:var(--paper);background:var(--orange);text-align:center}.final-cta:before,.final-cta:after{position:absolute;content:"";border:1px solid color-mix(in oklch,var(--paper) 27%,transparent);border-radius:50%}.final-cta:before{width:620px;height:620px;top:-330px;left:-180px}.final-cta:after{width:480px;height:480px;right:-200px;bottom:-230px}.notation{position:absolute;top:10%;left:0;width:100%;color:color-mix(in oklch,var(--paper) 18%,transparent);font-family:var(--display);font-size:clamp(4rem,10vw,10rem);font-weight:800;letter-spacing:.08em;white-space:nowrap}.cta-copy{position:relative;z-index:2;max-width:820px}.cta-copy .eyebrow{color:var(--paper)}.cta-copy h2{margin-bottom:18px;color:var(--white);font-size:clamp(3.5rem,7vw,7rem)}.cta-copy p:not(.eyebrow){margin-bottom:34px;color:color-mix(in oklch,var(--paper) 82%,var(--orange));font-size:1.1rem}.button.dark{color:var(--white);background:var(--ink)}.app-mark{position:absolute;right:clamp(20px,4vw,60px);bottom:35px;display:flex;align-items:center;gap:12px;font-size:1.3rem;font-weight:800}.app-mark img{width:46px;height:46px;border-radius:12px}.site-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px;padding:32px clamp(24px,5vw,80px);background:var(--ink);color:var(--paper)}.footer-brand{display:flex;align-items:center;gap:13px}.footer-brand img{width:42px;height:42px;border-radius:11px}.footer-brand div{display:flex;flex-direction:column}.footer-brand span{color:color-mix(in oklch,var(--paper) 55%,var(--ink));font-size:.74rem}.site-footer>p{margin:0;color:color-mix(in oklch,var(--paper) 48%,var(--ink));font-family:var(--display)}.footer-links{display:flex;justify-self:end;gap:24px;color:color-mix(in oklch,var(--paper) 70%,var(--ink));font-size:.84rem}.footer-links a:hover{color:var(--paper)}.contact-dialog{width:min(calc(100% - 32px),580px);padding:clamp(28px,5vw,52px);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:0 36px 100px color-mix(in oklch,var(--ink) 35%,transparent)}.contact-dialog::backdrop{background:color-mix(in oklch,var(--ink) 62%,transparent);backdrop-filter:blur(5px)}.contact-dialog[open]{animation:dialog-in .32s cubic-bezier(.16,1,.3,1)}@keyframes dialog-in{0%{opacity:0;transform:translateY(18px) scale(.98)}}.contact-dialog h2{margin-bottom:16px;font-size:clamp(2.8rem,7vw,4.6rem)}.contact-dialog>p:not(.index,.copy-status){margin-bottom:25px}.dialog-close{position:absolute;top:14px;right:14px;display:grid;width:46px;height:46px;place-items:center;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:50%;font-size:1.7rem;cursor:pointer}.contact-email{display:block;margin-bottom:30px;color:var(--orange);font-family:var(--display);font-size:clamp(1.35rem,4vw,2.1rem);font-weight:700;overflow-wrap:anywhere}.contact-actions{display:flex;flex-wrap:wrap;gap:10px}.contact-actions .button{flex:1 1 190px;cursor:pointer}.contact-mail{color:var(--ink);border:1px solid var(--line);background:var(--white)}.copy-status{min-height:1.7em;margin:15px 0 0;color:var(--orange);font-size:.83rem}}@layer responsive{@media(max-width:1020px){.site-header{grid-template-columns:1fr auto}.desktop-nav,.header-cta{display:none}.nav-toggle{display:block;position:relative;z-index:2}.nav-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.nav-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.mobile-nav{position:fixed;z-index:90;inset:0;display:flex;flex-direction:column;justify-content:center;gap:28px;padding:100px 36px 50px;transform:translateY(-100%);background:var(--paper);font-family:var(--display);font-size:2.3rem;font-weight:700;transition:transform .5s cubic-bezier(.16,1,.3,1)}.mobile-nav.open{transform:none}.mobile-cta{margin-top:20px;padding-top:24px;color:var(--orange);border-top:1px solid var(--line)}body.nav-open{overflow:hidden}.hero-copy{width:min(680px,68vw)}.hero-shade{background:linear-gradient(90deg,color-mix(in oklch,var(--paper) 96%,transparent),color-mix(in oklch,var(--paper) 84%,transparent) 52%,color-mix(in oklch,var(--paper) 12%,transparent))}.hero-proof{display:none}.section-intro{grid-template-columns:1fr}.section-intro .index{grid-column:auto}.section-intro>p:last-child{max-width:620px}.score-story{min-height:980px}.score-copy{width:58vw;margin-right:0}.player-shot{width:78vw}.practice-grid{grid-template-columns:1fr}.practice-copy{max-width:720px}.feature-viewer{width:88%;margin:10px 0 0 auto}.friendly{grid-template-columns:1fr}.friendly-image-wrap{order:2;min-height:580px}.friendly-image-wrap img{height:580px}.friendly-copy{max-width:720px}}@media(max-width:700px){body{font-size:16px}h2{font-size:clamp(2.45rem,12vw,4rem)}.site-header{top:10px;width:calc(100% - 20px);min-height:60px}.site-header,.site-header.scrolled{background:color-mix(in oklch,var(--paper) 92%,transparent);border-color:var(--line);backdrop-filter:blur(16px)}.brand img{width:36px;height:36px}.brand{font-size:1.17rem}.hero{align-items:flex-end;min-height:820px;padding-bottom:96px}.hero-bg{object-position:63% center}.hero-shade{background:linear-gradient(0deg,var(--paper) 0%,color-mix(in oklch,var(--paper) 94%,transparent) 40%,color-mix(in oklch,var(--paper) 20%,transparent) 76%)}.hero-copy{width:100%;padding:0}.hero h1{font-size:clamp(4rem,20vw,6rem)}.hero-lead{font-size:1rem}.scroll-note{display:none}.hero-actions{align-items:flex-start;flex-direction:column}.button.primary,.button.dark{width:100%}.marquee{padding:12px 0}.library-stage{min-height:520px;overflow:visible;margin-top:30px;background:transparent}.library-art{height:360px;min-height:0;border-radius:18px;object-fit:cover}.library-shot{right:-12px;bottom:8px;width:96%;border-radius:12px;transform:none}.search-callout{right:3px;bottom:-30px}.score-story{min-height:900px;padding-top:100px}.score-art{height:45%;object-position:35% center;opacity:.38}.score-story:after{background:linear-gradient(0deg,var(--white) 50%,transparent 100%)}.score-copy{width:100%;margin:0}.player-shot{right:-18%;bottom:6%;width:112%;border-radius:12px;transform:none}.practice{min-height:auto}.practice-grid{gap:45px}.practice-copy h2{font-size:2.65rem}.feature-viewer{width:110%;margin-left:0;border-radius:12px}.friendly-image-wrap{min-height:460px}.friendly-image-wrap img{height:460px;border-radius:4px 55px 4px 4px;object-position:52% center}.friendly blockquote{right:-10px;bottom:-22px;padding:19px 22px}.friendly-facts{grid-template-columns:1fr}.friendly-facts div{min-height:100px}.final-cta{min-height:600px}.notation{top:17%;font-size:4rem}.app-mark{display:none}.site-footer{grid-template-columns:1fr}.site-footer>p{display:none}.footer-links{justify-self:start;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}}.hero-apk-meta{margin:10px 0 0;font-size:14px;color:var(--muted, #6b6b6b)}