/* Original Lucstack visual language; native CSS, no external runtime.
   DESIGN_VARIANCE 6 / MOTION_INTENSITY 3 / VISUAL_DENSITY 3.
   Layers: header 10, skip-link 20. */
:root{color-scheme:light;--bg:#f4f6f4;--surface:#edf0ed;--text:#202a26;--muted:#58645e;--accent:#245949;--accent-text:#f6faf7;--line:#d4dcd5;--card:#e8eee9;--header:rgba(244,246,244,.94);--radius:24px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#131c18;--surface:#1c2821;--text:#e7ede8;--muted:#b0bfb4;--accent:#b4d3be;--accent-text:#15291c;--line:#38483d;--card:#223429;--header:rgba(19,28,24,.94)}}
:root[data-theme=dark]{color-scheme:dark;--bg:#131c18;--surface:#1c2821;--text:#e7ede8;--muted:#b0bfb4;--accent:#b4d3be;--accent-text:#15291c;--line:#38483d;--card:#223429;--header:rgba(19,28,24,.94)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:550;letter-spacing:-.045em;text-wrap:balance}p{color:var(--muted);text-wrap:pretty}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:6px}.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:10px;left:16px;transform:translateY(-200%);background:var(--accent);color:var(--accent-text);padding:10px 16px;z-index:20}.skip:focus{transform:none}.site-header{position:sticky;top:0;background:var(--header);backdrop-filter:blur(15px);z-index:10;border-bottom:1px solid var(--line)}.nav{height:80px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;margin-right:auto;font-size:27px;line-height:1;font-weight:650;letter-spacing:-1.3px}.brand-cn{display:inline-block;font-size:12px;font-weight:500;letter-spacing:2px;margin-left:16px;color:var(--muted)}.brand-mark{display:grid;gap:4px;transform:skewY(-12deg);width:24px}.brand-mark i{height:5px;background:var(--accent);border-radius:1px}.nav nav{display:flex;align-items:center;gap:30px;font-size:14px}.nav nav a{padding:8px 0}.nav nav a:hover{color:var(--accent)}.theme-toggle{border:1px solid var(--line);color:var(--muted);background:none;border-radius:99px;padding:7px 12px;cursor:pointer;font-size:12px;min-height:40px}.hero{display:grid;grid-template-columns:1.03fr 1fr;gap:32px;padding-block:76px 72px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--accent);margin-bottom:24px}.hero h1{font-size:clamp(42px,4.6vw,66px);line-height:1.2;letter-spacing:-.055em}.hero h1 span{color:var(--accent)}.hero-description{margin-top:28px;font-size:16px;line-height:1.9}.button{display:inline-flex;align-items:center;gap:35px;white-space:nowrap;background:var(--accent);color:var(--accent-text);border-radius:99px;padding:13px 23px;font-size:14px;margin-top:30px;min-height:48px;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #1a35221a}.button:active{transform:translateY(0)}.button span{font-size:20px}.hero-art{overflow:hidden;border-radius:var(--radius);aspect-ratio:1.12;background:#d7ded8}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:58% 50%}.section{padding-block:76px}.section-heading{margin-bottom:34px}.section-heading h2,.about h2,.contact h2{font-size:clamp(28px,3.1vw,42px);line-height:1.4}.section-heading p{margin-top:13px}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:38px;display:flex;flex-direction:column;min-height:400px;transition:border-color .2s,transform .2s}.product-card:hover{border-color:var(--accent);transform:translateY(-3px)}.product-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.product-top img{border-radius:20px;width:76px;height:76px}.product-category{font-size:13px;color:var(--muted)}.product-copy{margin-top:auto;position:relative;z-index:1;padding-top:50px}.product-copy h3{font-size:36px;line-height:1.3;letter-spacing:-.035em}.product-copy p{margin-top:15px;max-width:390px;font-size:15px}.text-link{display:flex;align-items:center;gap:18px;color:var(--accent);font-size:14px;margin-top:26px}.text-link span{font-size:21px}.product-card.thedots{background:var(--card)}.product-card.sheep{padding-bottom:34px}.sheep-art{position:absolute;right:-60px;top:82px;width:300px;opacity:.27;pointer-events:none}.product-card.flipbox{grid-column:1/-1;min-height:225px;display:grid;grid-template-columns:200px 1fr;align-items:center;gap:55px}.flipbox .product-top{display:block}.flipbox .product-top img{width:100px;height:100px;border-radius:26px;margin-bottom:14px}.flipbox .product-copy{margin-top:0;padding-top:0}.flipbox .product-copy p{max-width:680px}.about{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:72px;margin-top:50px}.about-copy>p{font-size:17px;line-height:1.95}.about-copy>p+p{margin-top:18px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:38px}.principles h3{font-size:17px;letter-spacing:0;margin-bottom:10px}.principles p{font-size:14px}.contact{margin-block:35px 90px;padding:52px 48px;border-radius:var(--radius);background:var(--card);display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.contact p{margin-top:16px;font-size:14px}.email-link{justify-self:end;color:var(--accent);font-size:clamp(21px,2.4vw,30px);border-bottom:1px solid var(--accent);padding-bottom:8px;white-space:nowrap}.email-link span{margin-left:20px}.footer{padding-block:35px 45px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:28px}.footer-brand{font-size:25px;font-weight:650;letter-spacing:-1px}.footer p{font-size:13px;margin-top:10px}.footer small{color:var(--muted);font-size:11px;display:block;margin-top:5px}.footer nav{display:flex;gap:28px;align-items:flex-start;padding-top:10px;font-size:13px;color:var(--muted)}.footer a:hover{text-decoration:underline;text-underline-offset:5px}.product-detail{padding-top:34px}.back-link{color:var(--muted);font-size:14px;display:inline-block;padding:10px 0}.detail-hero{display:grid;grid-template-columns:1.3fr .7fr;gap:90px;align-items:center;padding-block:55px 78px}.detail-hero h1{font-size:clamp(34px,4vw,54px);line-height:1.4;max-width:680px}.intro{font-size:18px;margin-top:25px;line-height:1.9}.detail-art{background:var(--surface);border-radius:var(--radius);padding:52px;aspect-ratio:1;display:grid;place-items:center}.detail-art img{border-radius:25%;width:100%;box-shadow:0 14px 30px #17251a0d}.features{display:grid;grid-template-columns:1fr 1fr;column-gap:80px;border-top:1px solid var(--line)}.feature{padding-block:45px}.feature h2{font-size:26px;margin-bottom:16px}.feature p{max-width:500px}.feature:last-child{grid-column:1/-1;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:80px}.audience{background:var(--card);padding:45px 48px;border-radius:var(--radius);margin-block:30px 55px}.audience h2{font-size:30px;margin-bottom:18px}.availability{margin-top:14px;font-size:14px}.other-products{padding-bottom:70px}.other-products h2{font-size:22px;margin-bottom:25px}.other-products nav{display:flex;gap:50px}.other-products a{color:var(--accent);font-size:18px}.other-products span{margin-left:12px}.legal{max-width:800px;padding-block:45px 90px;min-height:70dvh}.legal h1{font-size:40px;margin-block:35px 25px}.legal h2{font-size:24px;margin-block:32px 15px}.legal p+p{margin-top:12px}.legal p a{text-decoration:underline;text-underline-offset:5px}
@media(min-width:1600px){.hero{padding-block:90px}.hero-art{aspect-ratio:1.16}}
@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.brand-cn{display:none}.nav{height:76px;gap:20px}.nav nav{gap:20px}.hero{gap:24px;padding-block:52px}.hero-description{font-size:15px}.desktop-break{display:none}.product-card{padding:28px}.product-card.flipbox{grid-template-columns:150px 1fr;gap:25px}.about{gap:35px}.contact{padding:35px}.footer nav{gap:18px;flex-wrap:wrap;max-width:380px}.detail-hero{gap:40px}.detail-art{padding:35px}.features,.feature:last-child{column-gap:35px}}
@media(max-width:767px){html{scroll-padding-top:85px}.wrap{width:calc(100% - 40px)}.nav{height:72px;gap:14px}.brand{font-size:24px;gap:8px}.brand-mark{width:20px;gap:3px}.brand-mark i{height:4px}.nav nav{gap:16px;font-size:13px}.nav-contact{display:none}.theme-toggle{font-size:11px;padding:5px 8px;min-height:36px}.hero{grid-template-columns:1fr;gap:36px;padding-block:44px 32px}.hero h1{font-size:46px;line-height:1.22}.hero-description{margin-top:22px;font-size:15px}.eyebrow{margin-bottom:18px}.hero-art{aspect-ratio:1.55}.hero-art img{object-position:50% 50%}.button{margin-top:24px}.section{padding-block:48px}.section-heading{margin-bottom:26px}.section-heading h2,.about h2,.contact h2{font-size:29px}.section-heading p{font-size:14px}.product-grid{grid-template-columns:1fr;gap:20px}.product-card{min-height:345px;padding:28px}.product-copy{padding-top:35px}.product-copy h3{font-size:31px}.product-card.flipbox{grid-column:auto;display:flex;align-items:stretch;gap:0;min-height:345px}.flipbox .product-top{display:flex}.flipbox .product-top img{width:76px;height:76px;border-radius:20px;margin:0}.flipbox .product-copy{padding-top:35px;margin-top:auto}.about{grid-template-columns:1fr;gap:28px;margin-top:15px}.about-copy>p{font-size:16px}.principles{gap:22px}.contact{grid-template-columns:1fr;padding:30px 26px;margin-block:25px 55px;gap:32px}.email-link{justify-self:start;font-size:23px}.footer{display:block;padding-block:28px 35px}.footer nav{gap:12px 24px;margin-top:25px;font-size:12px;max-width:100%}.detail-hero{grid-template-columns:1fr;gap:30px;padding-block:35px 50px}.detail-hero h1{font-size:36px}.intro{font-size:16px}.detail-art{aspect-ratio:1.5;padding:35px}.detail-art img{width:160px}.features{grid-template-columns:1fr;gap:0}.feature{padding-block:30px}.feature h2{font-size:24px}.feature:last-child{grid-column:auto;display:block;border:0}.feature+.feature{border-top:1px solid var(--line)}.audience{padding:30px 25px;margin-block:15px 40px}.audience h2{font-size:27px}.other-products nav{gap:30px}.other-products{padding-bottom:50px}.legal h1{font-size:34px}}
@media(max-width:380px){.wrap{width:calc(100% - 32px)}.nav{gap:10px}.nav nav{gap:12px}.brand{font-size:22px}.brand-mark{display:none}.hero h1{font-size:42px}.email-link{font-size:21px}.contact{padding-inline:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}