@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/inter-latin.woff2) format("woff2")}
@font-face{font-family:Manrope;font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/manrope-latin.woff2) format("woff2")}
:root{--bg:hsl(45 25% 97%);--fg:hsl(158 24% 12%);--primary:hsl(157 37% 20%);--primary-fg:hsl(45 25% 97%);--accent:hsl(83 53% 72%);--secondary:hsl(45 19% 92%);--muted:hsl(45 15% 93%);--muted-fg:hsl(150 8% 39%);--border:hsl(45 12% 84%);--card:hsl(45 25% 99%);--radius:12px;
--sans:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;--display:Manrope,Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--fg);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
[data-lang="en"] .zh,[data-lang="zh"] .en{display:none!important}
.skip{position:absolute;left:-999px;top:8px;z-index:20;background:var(--primary);color:var(--primary-fg);padding:10px 16px;border-radius:999px}
.skip:focus{left:16px}
.shell{margin:0 auto;width:100%;max-width:1440px;padding:0 16px}
@media(min-width:640px){.shell{padding:0 3rem}}
@media(min-width:1024px){.shell{padding:0 5rem}}
.eyebrow{font-size:.75rem;line-height:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em}
@media(min-width:640px){.eyebrow{letter-spacing:.18em}}
.muted{color:var(--muted-fg)}
.primary{color:var(--primary)}
.display{font-family:var(--display)}
.section-heading{font-size:1.875rem;font-weight:500;line-height:1.25;letter-spacing:-.04em}
@media(min-width:768px){.section-heading{font-size:44px}}
.action{display:inline-flex;min-height:3rem;align-items:center;justify-content:center;gap:1.25rem;border-radius:999px;background:var(--primary);padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;color:var(--primary-fg);border:0;cursor:pointer;transition:transform .2s}
.action:hover{transform:translateY(-2px)}
.text-action{display:inline-flex;min-height:2.75rem;align-items:center;gap:.75rem;font-weight:500;background:none;border:0;cursor:pointer}
.text-action:hover{color:var(--primary)}
/* header */
.site-header{border-bottom:1px solid hsl(45 12% 84%/.6);background:var(--bg)}
.header-row{display:flex;min-height:6rem;align-items:center;justify-content:space-between;gap:.5rem;padding-top:1rem;padding-bottom:1rem}
.brand{display:flex;min-height:2.75rem;min-width:0;align-items:center;gap:.75rem}
.brand-mark{display:none;width:2.75rem;height:2.75rem;flex-shrink:0;align-items:center;justify-content:center;border-radius:.75rem;background:var(--primary);color:var(--accent)}
@media(min-width:640px){.brand-mark{display:flex}}
.brand-name{font-family:var(--display);font-size:.875rem;font-weight:700;letter-spacing:-.02em}
@media(min-width:640px){.brand-name{font-size:1.125rem}}
.brand-sub{display:block;margin-top:.25rem;font-size:9px;font-weight:500;letter-spacing:.12em;color:var(--muted-fg)}
.main-nav{display:none;align-items:center;gap:1.5rem}
.nav-link{display:flex;min-height:2.75rem;align-items:center;font-size:.875rem;color:var(--muted-fg);transition:color .15s}
.nav-link:hover{color:var(--primary)}
.nav-link[aria-current="page"]{color:var(--primary);font-weight:600}
.header-tools{display:flex;flex-shrink:0;align-items:center;gap:.5rem}
.lang{display:flex;border:1px solid var(--border);border-radius:999px;background:hsl(45 19% 92%/.5);padding:4px}
.lang button{min-height:2.75rem;min-width:2.75rem;border:0;border-radius:999px;background:none;padding:0 .5rem;font-size:.875rem;font-weight:600;color:var(--muted-fg);cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--primary);color:var(--primary-fg)}
.talk{display:none;min-height:2.75rem;align-items:center;gap:1rem;border:1px solid var(--primary);border-radius:999px;padding:0 1.25rem;font-size:.875rem;font-weight:500}
.talk:hover{background:var(--secondary)}
.menu-btn{display:flex;width:2.75rem;height:2.75rem;align-items:center;justify-content:center;border:0;border-radius:999px;background:none;cursor:pointer}
.menu-btn:hover{background:var(--secondary)}
.mobile-nav{display:flex;flex-direction:column;border-top:1px solid var(--border);padding-bottom:1.25rem}
.mobile-nav[hidden]{display:none}
@media(min-width:1024px){.main-nav,.talk{display:flex}.menu-btn,.mobile-nav{display:none!important}.header-tools{gap:1rem}}
/* footer */
.site-footer{border-top:1px solid var(--border);padding:3rem 0 1.5rem}
.footer-grid{display:grid;gap:2rem;padding-bottom:3rem}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:.5rem;font-family:var(--display);font-size:1.125rem;font-weight:700}
.footer-links a{display:flex;min-height:2.25rem;align-items:center;gap:.5rem;font-weight:500}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;border-top:1px solid var(--border);padding-top:1.5rem;font-size:.75rem;color:var(--muted-fg)}
.identity{margin-top:1rem;display:grid;gap:.75rem;font-size:1rem;line-height:1.75rem}
.identity .label{font-size:.875rem;font-weight:600}
.identity address{font-style:normal;color:var(--muted-fg)}
/* home */
.hero{padding-top:3rem;padding-bottom:2rem}
@media(min-width:1024px){.hero{padding-top:4rem}}
.hero-grid{display:grid;align-items:center;gap:2.5rem}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:1.5rem}}
.hero-copy{padding:1rem 0;animation:enter .25s ease-out both}
@media(min-width:1024px){.hero-copy{padding:2rem 0}}
.dot-eyebrow{display:flex;align-items:center;gap:.75rem;margin-bottom:2rem;color:var(--primary)}
.dot-eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--primary)}
.hero h1{font-family:var(--display);font-size:52px;font-weight:500;line-height:1.08;letter-spacing:-.065em}
@media(min-width:640px){.hero h1{font-size:3.75rem}}
@media(min-width:1280px){.hero h1{font-size:76px}}
[data-lang="zh"] .hero h1{letter-spacing:-.03em}
.hero-desc{margin-top:1.75rem;max-width:430px;line-height:1.75rem;color:var(--muted-fg)}
.hero-actions{margin-top:2.25rem;display:flex;flex-wrap:wrap;align-items:center;gap:1.75rem}
.rooted{margin-top:3rem;display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:var(--muted-fg)}
.rooted::before{content:"";width:2rem;height:1px;background:var(--border)}
.hero-art{position:relative;overflow:hidden;border-radius:24px;aspect-ratio:1.06;background:var(--secondary)}
@media(min-width:1024px){.hero-art{aspect-ratio:1.03}}
.hero-art img{width:100%;height:100%;object-fit:cover}
.art-badge{position:absolute;top:1.5rem;left:1.5rem;border:1px solid hsl(157 37% 20%/.15);border-radius:999px;background:hsl(45 25% 97%/.7);padding:.5rem 1rem;font-size:10px;font-weight:600;letter-spacing:.14em}
.art-caption{position:absolute;left:1.25rem;right:1.25rem;bottom:1.25rem;display:flex;align-items:center;justify-content:space-between;border:1px solid hsl(45 25% 97%/.6);border-radius:.75rem;background:hsl(45 25% 97%/.9);padding:1rem}
.art-caption .eyebrow{font-size:9px}
.art-caption strong{display:block;margin-top:.25rem;font-size:.875rem;font-weight:500}
.scroll-cue{margin-top:2.25rem;display:flex;min-height:2.75rem;align-items:center;gap:.75rem;border-top:1px solid var(--border);padding-top:1.5rem;font-size:.75rem;color:var(--muted-fg)}
.scroll-cue .chapter{margin-left:auto;display:none;letter-spacing:.1em}
@media(min-width:640px){.scroll-cue .chapter{display:inline}}
.capabilities{padding-top:4rem;padding-bottom:4rem;scroll-margin-top:1rem}
@media(min-width:1024px){.capabilities{padding-top:5rem;padding-bottom:5rem}}
.cap-head{margin-bottom:2.5rem;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.25rem}
.cap-head p.desc{max-width:340px;font-size:.875rem;line-height:1.5rem;color:var(--muted-fg)}
.cards{display:grid;gap:1rem}
@media(min-width:768px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:1rem;background:hsl(45 19% 92%/.5);padding:1.75rem;transition:transform .2s}
.card:hover{transform:translateY(-4px)}
.card.featured{background:var(--primary);border-color:var(--primary);color:var(--primary-fg)}
.card-top{margin-bottom:3rem;display:flex;align-items:center;justify-content:space-between;font-size:.75rem;color:var(--muted-fg)}
.card.featured .card-top{color:hsl(45 25% 97%/.7)}
.card h3{margin-bottom:1rem;font-size:22px;font-weight:500;letter-spacing:-.02em}
.card p{margin-bottom:2rem;font-size:.875rem;line-height:1.5rem;color:var(--muted-fg)}
.card.featured p{color:hsl(45 25% 97%/.8)}
.card .more{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.875rem;font-weight:500}
.perspective{padding-bottom:5rem}
.perspective-grid{display:grid;gap:2.5rem;border-top:1px solid var(--border);padding-top:4rem}
@media(min-width:768px){.perspective-grid{grid-template-columns:.8fr 1.2fr}}
@media(min-width:1024px){.perspective-grid{gap:6rem}}
.globe{display:flex;align-items:center;gap:.75rem;color:var(--primary);font-size:.875rem}
.lead{margin-top:1.5rem;max-width:36rem;line-height:1.75rem;color:var(--muted-fg)}
.banner{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:2rem;overflow:hidden;border-radius:1rem;background:var(--primary);padding:2rem;color:var(--primary-fg);background-image:linear-gradient(hsl(45 25% 97%/.06) 1px,transparent 1px),linear-gradient(90deg,hsl(45 25% 97%/.06) 1px,transparent 1px);background-size:40px 40px}
@media(min-width:768px){.banner{flex-direction:row;align-items:center;padding:3rem}}
.banner .eyebrow{margin-bottom:1rem;color:var(--accent)}
.banner h2{font-size:1.875rem;font-weight:500;line-height:1.25;letter-spacing:-.02em}
@media(min-width:768px){.banner h2{font-size:40px}}
.banner a{display:inline-flex;min-height:3rem;align-items:center;gap:2rem;border-radius:999px;background:var(--accent);padding:1rem 1.5rem;font-size:.875rem;font-weight:600;color:var(--primary);transition:transform .2s}
.banner a:hover{transform:translateY(-4px)}
.pb{padding-bottom:5rem}
/* inner pages */
.page{padding-top:4rem;padding-bottom:4rem}
@media(min-width:768px){.page{padding-top:6rem;padding-bottom:6rem}}
.page-title{font-size:3rem;font-weight:500;line-height:1.1;letter-spacing:-.05em}
@media(min-width:768px){.page-title{font-size:4.5rem}}
.page .eyebrow.lead-eyebrow{margin-bottom:1.75rem;color:var(--muted-fg)}
.split{margin-top:3.5rem;display:grid;gap:3rem;border-top:1px solid var(--border);padding-top:2.5rem}
@media(min-width:768px){.split{grid-template-columns:1fr 1.5fr}}
.split h2{font-size:1.875rem;font-weight:500;letter-spacing:-.02em}
.body-text{margin-top:1.25rem;line-height:2rem;color:var(--muted-fg)}
.principles{margin-top:4rem;display:grid;gap:2rem}
@media(min-width:768px){.principles{grid-template-columns:repeat(3,1fr)}}
.principles>div{border-top:1px solid var(--border);padding-top:1.75rem}
.principles svg{margin-bottom:1.5rem;color:var(--primary)}
.principles h3{font-size:1.25rem;font-weight:500}
.principles p{margin-top:.75rem;line-height:1.75rem;color:var(--muted-fg)}
.solutions{margin-top:3.5rem;display:grid;gap:1.5rem}
.solution{scroll-margin-top:2rem;border:1px solid var(--border);border-radius:1rem;background:hsl(45 19% 92%/.4);padding:1.5rem}
@media(min-width:768px){.solution{padding:2.5rem}}
.solution-grid{display:grid;gap:2rem}
@media(min-width:768px){.solution-grid{grid-template-columns:.75fr 1fr}}
.solution .num{margin-bottom:1.75rem;display:flex;align-items:center;gap:1.25rem;color:var(--primary);font-size:.75rem}
.solution h2{font-size:1.875rem;font-weight:500;letter-spacing:-.02em}
.tags{margin-top:1.25rem;display:flex;flex-wrap:wrap;gap:.5rem}
.tags span{border:1px solid var(--border);border-radius:999px;padding:.5rem .75rem;font-size:.75rem}
.example{margin-top:2rem;border-top:1px solid var(--border);padding-top:1.75rem}
.example[hidden]{display:none}
.example .eyebrow{margin-bottom:.75rem;color:var(--muted-fg)}
.example .value{margin-top:.75rem;font-size:.875rem;font-weight:500;color:var(--primary)}
.notice{margin-top:1.5rem;font-size:.75rem;line-height:1.5rem;color:var(--muted-fg)}
.contact-grid{display:grid;gap:3rem}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1.1fr;gap:5rem}}
.contact-card{align-self:start;border:1px solid var(--border);border-radius:1rem;background:var(--card);padding:1.5rem}
@media(min-width:768px){.contact-card{padding:2rem}}
.contact-card h2{margin-bottom:1rem;font-size:1.5rem;font-weight:500}
.contact-row{display:grid;gap:.25rem;border-top:1px solid var(--border);padding:1rem 0}
.contact-row:first-of-type{border-top:0}
.contact-row a{font-weight:500;color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.info-box{margin-top:2rem;border-radius:.75rem;background:var(--secondary);padding:1.25rem;line-height:1.75rem;color:var(--muted-fg)}
.info-box strong{display:block;margin-bottom:.5rem;color:var(--fg)}
.legal .page-title{font-size:2.5rem}
@media(min-width:768px){.legal .page-title{font-size:3.5rem}}
.effective{margin-top:1rem;font-size:.875rem;color:var(--muted-fg)}
.legal-body{margin-top:3rem;max-width:52rem;border-top:1px solid var(--border);padding-top:2rem;line-height:1.8}
.legal-body>p,.legal-body section p{margin-bottom:1rem}
.legal-body section{margin-top:2.5rem}
.legal-body h2{margin-bottom:1rem;font-size:1.375rem;font-weight:600;letter-spacing:-.01em}
.legal-body ul{margin:0 0 1rem 1.25rem}
.legal-body li{margin-bottom:.5rem}
.legal-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}