:root{--paper:#f6f7f1;--white:#fff;--ink:#183c32;--muted:#58665e;--line:#dce2d7;--green:#153c32;--lime:#d6ebbc;--sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.6}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a{touch-action:manipulation}
:focus-visible{outline:3px solid #417e64;outline-offset:5px;border-radius:3px}
::selection{background:#d1e9b8;color:var(--ink)}
h1,h2,h3,p,figure{margin:0}
svg{display:block}
[hidden]{display:none!important}
.shell{width:min(1200px,calc(100% - 96px));margin-inline:auto}
.skip-link{position:absolute;z-index:5;top:12px;left:12px;transform:translateY(-160%);padding:10px 20px;background:var(--green);color:var(--white)}
.skip-link:focus{transform:translateY(0)}
.site-header{border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:36px;min-height:92px}
.brand{display:inline-flex;gap:12px;align-items:center;font-size:22px;font-weight:650;letter-spacing:-.7px;white-space:nowrap;line-height:1.1}
.brand b{font-weight:400}
.brand-mark{flex-shrink:0}
.main-nav{display:flex;gap:32px;margin-left:auto;font-size:14px;font-weight:500}
.main-nav a{padding-block:12px;position:relative}
.main-nav a:after{content:"";position:absolute;bottom:6px;left:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s}
.main-nav a:hover:after{transform:scaleX(1)}
.language-switch{display:flex;gap:3px;padding:4px;border:1px solid var(--line);border-radius:100px}
.language-switch button{border:0;background:none;color:var(--muted);font-size:12px;font-weight:650;min-width:34px;min-height:30px;cursor:pointer;border-radius:100px;padding:4px 8px}
.language-switch button[aria-pressed=true]{color:var(--white);background:var(--ink)}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:76px;align-items:center;padding-top:76px;padding-bottom:78px}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:11px;letter-spacing:1.9px;font-weight:650;line-height:1.7}
.tiny-dot{width:6px;height:6px;background:#447c4f;border-radius:50%;flex-shrink:0}
h1{font-size:clamp(46px,4.6vw,68px);font-weight:600;letter-spacing:-2.9px;line-height:1.28;margin-top:29px}
h1 span{display:block}
.hero-description{font-size:16px;color:var(--muted);max-width:450px;line-height:1.95;margin-top:25px}
.hero-actions{display:flex;align-items:center;gap:27px;margin-top:32px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;gap:27px;border-radius:6px;padding:14px 20px;font-size:14px;font-weight:550;min-height:50px;transition:background .2s,transform .2s}
.primary{background:var(--green);color:#fff}
.primary:hover{background:#275644;transform:translateY(-2px)}
.text-link{display:inline-flex;align-items:center;gap:13px;font-size:14px;padding-block:12px}
.text-link:hover{color:#36734f}
.stage-note{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-top:29px}
.status-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;border-radius:50%;background:#477a57}
.exploration-visual{position:relative;border-radius:18px;background:#153c32;color:#e6efdf;overflow:hidden;box-shadow:0 20px 45px -32px #1a3c32;align-self:stretch;min-height:475px;display:flex;flex-direction:column;justify-content:space-between}
.visual-top{display:flex;justify-content:space-between;align-items:center;padding:28px 30px 0;font-size:9px;letter-spacing:2px;color:#c0d5c5}
.visual-top>span:last-child{font-size:20px;letter-spacing:0}
.orbit-art{width:100%;height:auto;margin-block:-9px -26px}
.visual-bottom{padding:0 30px 27px;position:relative}
.visual-bottom p{font-size:18px;letter-spacing:-.1px;font-weight:500;margin-bottom:7px}
.visual-bottom figcaption{color:#b7cbbc;font-size:10px;letter-spacing:1px}
.scope-strip{border-block:1px solid var(--line)}
.scope-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:23px;font-size:11px;letter-spacing:1.3px}
.scope-inner>span{font-size:12px;color:var(--muted);letter-spacing:.4px;white-space:nowrap}
.scope-inner p{display:flex;align-items:center;gap:40px}
.scope-divider{color:#94a18e}
.section{padding-block:85px 87px}
.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:flex-end;margin-bottom:37px}
.section-kicker{font-size:10px;letter-spacing:1.7px;color:#65765c;margin-bottom:17px;gap:7px}
h2{font-size:34px;font-weight:550;line-height:1.4;letter-spacing:-1.2px}
.section-intro{font-size:14px;max-width:360px;color:var(--muted);line-height:1.85}
.direction-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.direction-card{border:1px solid var(--line);background:#fcfdf8;padding:29px 32px 26px;border-radius:10px;position:relative}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.card-category{font-size:10px;letter-spacing:1.7px;color:#67785f}
.card-top svg{color:#52704e}
h3{font-size:21px;line-height:1.45;font-weight:550;letter-spacing:-.4px}
.direction-card>p{font-size:14px;line-height:1.85;color:var(--muted);margin-top:10px;max-width:430px}
.card-tags{display:flex;gap:9px;margin-top:27px;flex-wrap:wrap}
.card-tags span{background:#eff2e8;border-radius:4px;font-size:11px;padding:4px 11px;color:#5a6e4f}
.concept-section{background:#eaf0e2;border-block:1px solid #dbe3d0}
.concept-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:92px;padding-block:75px}
.concept-status{border:1px solid #bbcdb0;display:inline-flex;align-items:center;gap:8px;font-size:11px;padding:5px 10px;border-radius:4px;margin-top:8px;margin-bottom:24px;color:#405d39}
.concept-intro h2{font-size:43px;line-height:1.45;letter-spacing:-1.5px;white-space:pre-line}
.concept-summary{font-size:15px;line-height:1.95;margin-top:22px;color:#405440;max-width:390px}
.concept-stage{font-size:12px;line-height:1.9;margin-top:24px;color:#53674d;max-width:380px;border-top:1px solid #cddac1;padding-top:18px}
.detail-kicker{font-size:11px;font-weight:600;letter-spacing:1px;margin-bottom:18px}
.question-list{padding:0;margin:0;list-style:none}
.question-list li{display:flex;gap:20px;padding:20px 0;border-top:1px solid #cddac1}
.question-number{font-size:11px;color:#617854;margin-top:4px}
.question-list h3{font-size:16px;letter-spacing:-.2px}
.question-list p{font-size:13px;line-height:1.9;color:#51664b;margin-top:7px}
.safety-note{display:flex;gap:13px;background:#fbfcf6;border:1px solid #c6d3bb;border-radius:8px;padding:20px;margin-top:19px}
.safety-note svg{flex-shrink:0;margin-top:2px;color:#587448}
.safety-note h3{font-size:13px;font-weight:650;letter-spacing:0}
.safety-note p{font-size:12px;line-height:1.9;color:#56634f;margin-top:6px}
.principles-section{padding-block:79px 74px}
.principle-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px}
.principle-grid article{border-top:1px solid var(--line);padding-top:22px}
.principle-number{font-size:11px;color:#7b8d6c;letter-spacing:1px}
.principle-grid h3{font-size:18px;margin-top:15px}
.principle-grid p{font-size:13px;color:var(--muted);line-height:1.9;margin-top:10px;max-width:310px}
.contact-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-top:1px solid var(--line);padding-block:46px 55px}.contact-intro{font-size:13px;color:var(--muted);margin-top:16px}.contact-links{padding-top:4px}.contact-links>div{display:flex;gap:24px;align-items:baseline;margin-bottom:15px}.contact-label{font-size:11px;color:var(--muted);min-width:34px}.contact-links a,.contact-value{font-size:16px;overflow-wrap:anywhere}.contact-links a:hover{text-decoration:underline;text-underline-offset:4px}.contact-links a span{font-size:13px;margin-left:9px}.contact-privacy{font-size:11px;color:var(--muted);line-height:1.9;max-width:420px;margin-top:23px}
.closing{border-top:1px solid var(--line);padding-block:38px 43px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.closing .eyebrow{font-size:9px;color:#6c7e60;letter-spacing:2px;margin-bottom:11px}
.closing h2{font-size:28px}
.back-to-top{display:flex;align-items:center;gap:19px;min-height:44px;font-size:12px;white-space:nowrap}
.back-to-top span:last-child{font-size:20px}
.site-footer{border-top:1px solid var(--line)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;padding-block:23px;color:#687363;font-size:11px}
html[lang=en] h1{font-size:clamp(42px,4.6vw,67px);line-height:1.12;letter-spacing:-3px}
html[lang=en] h2{letter-spacing:-1.3px}
html[lang=en] .concept-intro h2{font-size:43px;line-height:1.2}
html[lang=en] .hero-description{line-height:1.85}
@media(min-width:1500px){.hero{gap:90px}.shell{width:min(1240px,calc(100% - 112px))}}
@media(max-width:1100px){.shell{width:calc(100% - 64px)}.hero{gap:40px}.main-nav{gap:22px}.hero-actions{gap:14px}.button{gap:17px}.exploration-visual{min-height:440px}h1{font-size:50px;letter-spacing:-2.2px}.concept-grid{gap:54px}.scope-inner p{gap:23px}.section-heading{gap:40px}html[lang=en] h1{font-size:48px}}
@media(max-width:800px){.shell{width:calc(100% - 48px)}.header-inner{min-height:78px;gap:20px}.brand{font-size:20px}.brand-mark{width:29px;height:29px}.main-nav{gap:17px;font-size:12px}.language-switch{margin-left:auto}.hero{gap:32px;padding-block:54px}.eyebrow{font-size:9px;letter-spacing:1.3px}h1{font-size:40px;letter-spacing:-1.7px}.hero-description{font-size:14px}.hero-actions{margin-top:24px}.button,.text-link{font-size:12px}.exploration-visual{min-height:380px}.visual-top{padding:23px 23px 0;font-size:8px;letter-spacing:1px}.visual-bottom{padding:0 23px 23px}.visual-bottom p{font-size:15px}.visual-bottom figcaption{font-size:9px;letter-spacing:0}.orbit-art{margin-block:0}.scope-inner p{gap:16px;font-size:9px;letter-spacing:.8px}.section{padding-block:60px}.section-heading{align-items:flex-start;gap:28px}h2{font-size:28px}.section-intro{max-width:300px;font-size:13px}.direction-card{padding:24px}.concept-grid{padding-block:58px;gap:36px}.concept-intro h2{font-size:34px}.concept-summary{font-size:14px}.principle-grid{gap:24px}html[lang=en] h1{font-size:39px;letter-spacing:-1.7px}html[lang=en] .concept-intro h2{font-size:35px}}
@media(max-width:680px){.shell{width:calc(100% - 40px)}.header-inner{flex-wrap:wrap;gap:0;min-height:0;padding-top:19px}.brand{font-size:21px;gap:10px}.language-switch{order:2}.main-nav{order:3;width:100%;margin:13px 0 0;gap:26px;padding-bottom:7px;font-size:12px}.main-nav a{padding-block:10px}.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px;gap:32px}.hero .eyebrow{font-size:9px;letter-spacing:1.1px}h1{font-size:clamp(38px,9.9vw,56px);letter-spacing:-1.8px;line-height:1.28;margin-top:23px}.hero-description{max-width:460px;font-size:14px;line-height:1.9;margin-top:19px}.hero-actions{gap:22px;flex-wrap:wrap;margin-top:26px}.button{font-size:13px;padding:12px 16px;min-height:48px;gap:19px}.text-link{font-size:13px}.stage-note{margin-top:20px;font-size:11px}.exploration-visual{min-height:0;max-width:520px;aspect-ratio:1.13;justify-content:space-between;width:100%;border-radius:12px}.visual-top{padding:21px 23px 0;position:relative;z-index:1}.orbit-art{width:100%;margin-block:-15px -24px;flex:1;min-height:0}.visual-bottom{padding:0 23px 21px}.visual-bottom p{font-size:17px;margin-bottom:3px}.visual-bottom figcaption{font-size:9px;letter-spacing:.5px}.scope-inner{align-items:flex-start;padding-block:20px;gap:12px;flex-direction:column}.scope-inner>span{font-size:10px}.scope-inner p{gap:14px;font-size:8px;letter-spacing:.7px;flex-wrap:wrap;row-gap:6px}.section{padding-block:45px}.section-heading{flex-direction:column;gap:16px;margin-bottom:25px}.section-kicker{font-size:9px;letter-spacing:1.4px;margin-bottom:12px}h2{font-size:26px;letter-spacing:-.9px}.section-intro{font-size:13px;max-width:100%;line-height:1.9}.direction-grid{grid-template-columns:1fr;gap:16px}.direction-card{padding:24px 25px}.card-top{margin-bottom:14px}.card-top svg{width:37px;height:37px}.direction-card h3{font-size:21px}.direction-card>p{font-size:13px}.card-tags{margin-top:20px}.concept-grid{grid-template-columns:1fr;gap:31px;padding-block:45px}.concept-intro h2{font-size:35px;line-height:1.35}.concept-status{margin-top:6px;margin-bottom:18px}.concept-summary{max-width:100%;font-size:14px;margin-top:19px}.concept-stage{max-width:100%;margin-top:19px;font-size:12px}.detail-kicker{font-size:11px;margin-bottom:15px}.question-list li{padding-block:17px;gap:15px}.question-list h3{font-size:15px}.question-list p{font-size:12px}.safety-note{padding:17px;gap:11px;margin-top:13px}.principle-grid{grid-template-columns:1fr;gap:23px}.principle-grid article{padding-top:18px;display:grid;grid-template-columns:27px 1fr;gap:0 13px}.principle-number{grid-row:1/3;margin-top:3px}.principle-grid h3{margin-top:0;font-size:17px}.principle-grid p{max-width:100%;margin-top:7px;font-size:13px}.closing{padding-block:29px;gap:20px;align-items:flex-start}.closing h2{font-size:23px}.back-to-top{font-size:11px;gap:11px;margin-top:18px}.footer-inner{flex-direction:column;gap:5px;padding-block:20px;font-size:10px}html[lang=en] h1{font-size:clamp(38px,10.6vw,58px);line-height:1.13;letter-spacing:-1.9px}html[lang=en] h2{font-size:26px;letter-spacing:-.8px}html[lang=en] .concept-intro h2{font-size:36px}html[lang=en] .closing h2{font-size:23px}}
@media(max-width:680px){.contact-section{grid-template-columns:1fr;gap:25px;padding-block:35px 40px}.contact-intro{margin-top:12px}.contact-links a,.contact-value{font-size:14px}.contact-links>div{gap:18px}.contact-privacy{margin-top:18px}}
@media(max-width:360px){.shell{width:calc(100% - 32px)}.brand{font-size:19px}.main-nav{gap:23px}.hero-actions{gap:17px}.hero .eyebrow{font-size:8px;letter-spacing:.75px}.scope-inner p{gap:10px;font-size:7.5px}.visual-bottom p{font-size:15px}.closing{flex-direction:column;gap:9px}.back-to-top{margin-top:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}