:root{--lt-ink:#243f32;--lt-green:#245c40;--lt-muted:#617163;--lt-paper:#fffcf4;--lt-line:#dce2d5;--lt-yellow:#f3d678}
.lt-site{margin:0;background:var(--lt-paper);color:var(--lt-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
.lt-site *,.lt-header *,.lt-footer *{box-sizing:border-box}.lt-site a{color:inherit;text-decoration:none}.lt-site img{max-width:100%;display:block}.lt-site h1,.lt-site h2,.lt-site h3,.lt-site p,.lt-site figure{margin:0}.lt-site h1,.lt-site h2,.lt-site h3{font-weight:700;letter-spacing:-.04em;line-height:1.3}.lt-site h1{font-size:clamp(38px,4.6vw,64px)}.lt-site h2{font-size:clamp(28px,3vw,40px)}.lt-site h3{font-size:23px}.lt-site p{color:var(--lt-muted)}.lt-site :focus-visible,.lt-header :focus-visible,.lt-footer :focus-visible{outline:3px solid #a95322;outline-offset:5px}.lt-main{max-width:1184px;padding:0 32px;margin:auto}.lt-site [id]{scroll-margin-top:104px}
.lt-header{position:sticky;top:0;z-index:1000;background:#fffcf4f5;border-bottom:1px solid var(--lt-line);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--lt-ink)}.lt-nav{max-width:1248px;margin:auto;min-height:88px;padding:10px 32px;display:flex;align-items:center;gap:28px}.lt-header a,.lt-footer a{color:var(--lt-ink);text-decoration:none}.lt-logo{display:inline-flex;flex-shrink:0}.lt-logo img{display:block!important;width:116px!important;height:57px!important;object-fit:contain!important;max-width:none!important}.lt-desktop-nav{display:flex;align-items:center;gap:27px;margin-left:auto}.lt-desktop-nav a{padding:12px 0;white-space:nowrap}.lt-desktop-nav a.active{color:var(--lt-green);box-shadow:inset 0 -2px var(--lt-green)}.lt-nav-visit{background:var(--lt-green);color:white!important;border-radius:30px;min-height:44px;padding:12px 20px;white-space:nowrap;font-weight:600}.lt-menu{display:none}.lt-skip{position:fixed;left:16px;top:-100px;z-index:2000;padding:12px;background:white;color:#245c40}.lt-skip:focus{top:8px}
.lt-hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:58px 0 64px}.lt-eyebrow{display:block;color:var(--lt-green);font-size:12px;font-weight:700;letter-spacing:.1em;line-height:1.6;margin-bottom:18px}.lt-hero h1{margin:20px 0 24px;line-height:1.22}.lt-hero h1 em{font-style:normal;color:var(--lt-green)}.lt-hero-copy>p{font-size:18px;line-height:1.85}.lt-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.lt-button{display:inline-flex;justify-content:space-between;align-items:center;gap:22px;background:var(--lt-green);color:white!important;border:1px solid var(--lt-green);padding:13px 22px;border-radius:10px;font-weight:600;min-height:50px;line-height:1.5;transition:background .2s}.lt-button:hover{background:#193f2d}.lt-secondary{background:transparent;color:var(--lt-green)!important;border-color:#b4c2af}.lt-secondary:hover{background:#eaf0df}.lt-hero-note{font-size:13px;color:#667660;margin-top:28px;letter-spacing:.06em}.lt-hero-art{position:relative;border-radius:120px 24px 24px 24px;overflow:hidden;background:#eef1d2}.lt-hero-art img{width:100%;height:490px;object-fit:cover;object-position:74% center}.lt-hero-art figcaption{position:absolute;bottom:14px;left:14px;background:#fffcf4e8;padding:4px 10px;border-radius:6px;font-size:11px;color:#52614c}.lt-section{padding:64px 0;border-top:1px solid var(--lt-line)}.lt-heading{max-width:740px;margin-bottom:32px}.lt-heading p{margin-top:18px;max-width:660px;font-size:17px}.lt-grid{display:grid;gap:20px}.lt-two{grid-template-columns:repeat(2,minmax(0,1fr))}.lt-three{grid-template-columns:repeat(3,minmax(0,1fr))}.lt-card{padding:30px;border:1px solid var(--lt-line);border-radius:18px;background:#fffef9;min-width:0}.lt-card .lt-number{display:block;font-size:12px;letter-spacing:.08em;color:var(--lt-green);font-weight:700;margin-bottom:32px}.lt-card h3{margin-bottom:14px}.lt-card p{line-height:1.9}.lt-sage{background:#edf2e5;border-color:#dce6d0}.lt-cream{background:#faf0d3;border-color:#eee0b3}.lt-note{font-size:13px;margin-top:18px!important}.lt-split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.lt-text-link{display:inline-flex;min-height:44px;align-items:center;gap:20px;font-weight:600;color:var(--lt-green)!important;border-bottom:1px solid #a9baa3}.lt-list article{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--lt-line)}.lt-list article:first-child{padding-top:0}.lt-list article:last-child{border-bottom:0}.lt-list article>span{font-size:14px;color:var(--lt-green);padding-top:4px}.lt-list h3{font-size:21px;margin-bottom:8px}.lt-coin-section{padding:42px;border:0;border-radius:24px;background:#f8efd5;margin:0 0 56px}.lt-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;counter-reset:steps}.lt-steps li{counter-increment:steps;padding:20px;border-radius:12px;background:#fffcf4;border:1px solid #e9dfc6}.lt-steps li:before{content:'0' counter(steps);display:block;font-size:12px;color:#886927;margin-bottom:12px}.lt-steps b{display:block;font-size:19px}.lt-steps span{display:block;font-size:14px;color:var(--lt-muted);margin-top:6px}.lt-letter{padding:32px 0 64px;border:0}.lt-letter .lt-heading{max-width:800px}.lt-letter h2{line-height:1.5}.lt-letter p{max-width:720px}.lt-band{padding:36px 40px;margin-bottom:64px;border:0;border-radius:20px;background:#eaf1e2;display:flex;gap:28px;align-items:center;justify-content:space-between}.lt-band h2{font-size:30px}.lt-band p{margin-top:12px;max-width:650px}.lt-band .lt-actions{margin:0;flex-shrink:0}.lt-band .lt-eyebrow{margin-bottom:10px}.lt-footer{background:#eff1e8;border-top:1px solid var(--lt-line);font:14px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--lt-ink);padding:36px max(24px,calc((100% - 1120px)/2)) max(24px,env(safe-area-inset-bottom))}.lt-footer-top{display:flex;justify-content:space-between;gap:40px;align-items:center}.lt-footer p{margin:10px 0;color:#56654e}.lt-footer nav{display:grid;grid-template-columns:repeat(4,auto);gap:8px 32px}.lt-footer nav a{display:flex;align-items:center;min-height:44px}.lt-legal{display:flex;flex-wrap:wrap;gap:12px 24px;border-top:1px solid #d4dccd;margin-top:26px;padding-top:24px;font-size:12px;color:#5e6c56}.lt-legal a{color:#5e6c56;min-height:32px;display:inline-flex;align-items:center}.lt-intro{padding:64px 0 44px;max-width:820px}.lt-intro h1{margin-bottom:22px}.lt-intro p{font-size:18px;max-width:680px}.lt-contents{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px;padding:22px 28px;background:#edf2e5;border-radius:16px;margin:0 0 36px}.lt-contents a{padding:14px 0;display:flex;gap:14px;font-size:14px;border-bottom:1px solid #d9e1d0}.lt-contents a>span{color:#77896d;font-size:12px;padding-top:2px}.lt-story{max-width:860px;margin:auto}.lt-chapter{display:grid;grid-template-columns:60px 1fr;gap:28px;padding:44px 0;border-bottom:1px solid var(--lt-line)}.lt-chapter-index{font-size:34px;color:#869b76;line-height:1.3}.lt-chapter h2{font-size:29px}.lt-chapter p{margin-top:20px;font-size:17px;line-height:1.95;color:#52614e}.lt-chapter .lt-chapter-lead{color:var(--lt-green);font-size:18px;font-weight:600;margin-top:14px}.lt-story-note{max-width:860px;margin:24px auto 56px;font-size:13px;color:var(--lt-muted)}.lt-friends-art{border-radius:24px;overflow:hidden;margin-bottom:48px!important}.lt-friends-art img{width:100%;height:auto}.lt-friends-art figcaption{padding:14px 20px;background:#edf2e5;font-size:14px;color:var(--lt-muted)}.lt-mobile-break{display:none}
/* The existing contact form keeps its IDs, fields and submission handler. */
.contact-page{scroll-margin-top:100px}.contact-page input,.contact-page select,.contact-page textarea{font-size:16px!important}.contact-page .contact-shell{max-width:1120px}.contact-page .contact-lead{line-height:1.85}.contact-page .contact-hero{padding-top:40px}.contact-page #contact-form{scroll-margin-top:100px}
@media(max-width:1050px){.lt-desktop-nav{gap:16px}.lt-nav{gap:18px}.lt-desktop-nav a{font-size:14px}.lt-hero{gap:24px}.lt-hero-art img{height:430px}.lt-band{flex-direction:column;align-items:flex-start}.lt-split{gap:32px}}
@media(max-width:820px){.lt-nav{min-height:72px;padding:8px 20px;gap:12px}.lt-logo img{width:103px!important;height:51px!important}.lt-desktop-nav{display:none}.lt-nav-visit{margin-left:auto;padding:10px 15px;font-size:13px}.lt-menu{display:block;position:relative}.lt-menu summary{display:flex;gap:6px;align-items:center;justify-content:center;cursor:pointer;list-style:none;min-height:44px;min-width:64px;font-size:14px;border-radius:8px}.lt-menu summary::-webkit-details-marker{display:none}.lt-menu[open] summary{background:#e7eddc}.lt-menu nav{position:absolute;right:0;top:54px;width:min(300px,calc(100vw - 40px));background:#fffcf4;border:1px solid var(--lt-line);box-shadow:0 14px 36px #233e321c;border-radius:14px;padding:10px;display:grid;grid-template-columns:1fr 1fr}.lt-menu nav a{padding:14px 12px;min-height:48px}.lt-menu nav a:hover{background:#edf2e5;border-radius:8px}.lt-main{padding:0 24px}.lt-hero{padding:34px 0 38px;gap:24px}.lt-hero h1{font-size:40px}.lt-hero-art img{height:380px}.lt-hero-copy>p{font-size:16px}.lt-hero .lt-actions{gap:8px}.lt-hero .lt-button{padding:12px 14px;font-size:14px;gap:12px}.lt-hero-note{font-size:11px;letter-spacing:0}.lt-three{grid-template-columns:1fr}.lt-split{grid-template-columns:1fr;gap:32px}.lt-section{padding:42px 0}.lt-coin-section{padding:28px;margin-bottom:40px}.lt-band{padding:28px}.lt-footer-top{align-items:flex-start}.lt-footer nav{grid-template-columns:repeat(2,auto);gap:4px 24px}.lt-contents{grid-template-columns:1fr 1fr}.lt-intro{padding:40px 0 32px}.lt-intro h1{font-size:40px}}
@media(max-width:560px){.lt-main{padding:0 20px}.lt-hero{grid-template-columns:1fr;padding-top:30px}.lt-eyebrow{font-size:11px;letter-spacing:.08em;margin-bottom:14px}.lt-hero h1{font-size:42px;margin:14px 0 18px}.lt-hero-copy>p{font-size:16px;line-height:1.85}.lt-hero .lt-actions{margin-top:22px;gap:10px}.lt-hero .lt-button{min-height:48px;font-size:15px;padding:12px 18px;flex:1}.lt-hero-note{margin-top:18px;font-size:12px}.lt-hero-art{border-radius:48px 16px 16px 16px}.lt-hero-art img{height:230px;object-position:74% 61%}.lt-hero-art figcaption{font-size:10px;bottom:10px;left:10px}.lt-heading{margin-bottom:24px}.lt-heading h2{font-size:29px;line-height:1.4}.lt-heading p{font-size:16px;margin-top:14px;line-height:1.85}.lt-two{grid-template-columns:1fr}.lt-grid{gap:14px}.lt-card{padding:24px;border-radius:16px}.lt-card .lt-number{margin-bottom:20px}.lt-card h3{font-size:22px}.lt-card p{font-size:16px}.lt-note{font-size:12px}.lt-coin-section{padding:26px 20px;margin-left:0;margin-right:0;border-radius:18px}.lt-steps{gap:10px}.lt-steps li{padding:16px 12px}.lt-steps b{font-size:18px}.lt-steps span{font-size:13px}.lt-list article{gap:18px}.lt-letter{padding-top:0}.lt-band{padding:26px 22px;margin-bottom:40px;gap:22px}.lt-band h2{font-size:27px}.lt-band .lt-actions{width:100%}.lt-band .lt-button{flex:1;min-width:110px;gap:8px;justify-content:center;padding:12px}.lt-footer-top{flex-direction:column;gap:22px}.lt-footer nav{width:100%;grid-template-columns:repeat(2,1fr);gap:0 20px}.lt-legal{flex-direction:column;gap:4px}.lt-legal a{min-height:36px}.lt-intro h1{font-size:35px;line-height:1.35}.lt-intro p{font-size:16px}.lt-contents{padding:12px 16px;gap:0 18px;margin-bottom:12px}.lt-contents a{font-size:12px;gap:8px;line-height:1.7}.lt-chapter{grid-template-columns:1fr;gap:10px;padding:32px 0}.lt-chapter-index{font-size:22px}.lt-chapter h2{font-size:26px;line-height:1.45}.lt-chapter p{font-size:16px;line-height:1.95;margin-top:16px}.lt-chapter .lt-chapter-lead{font-size:17px}.lt-story-note{font-size:12px;margin-bottom:36px}.lt-mobile-break{display:block}.contact-page .contact-hero{padding:28px 0 36px!important}.contact-page .contact-shell{width:auto!important;margin:0 20px!important;padding:0!important}.contact-page .contact-hero-inner{display:flex!important;flex-direction:column!important;gap:24px!important}.contact-page .contact-copy,.contact-page .contact-form-card{width:100%!important;min-width:0!important}.contact-page .contact-form-card{padding:24px 20px!important}.contact-page .contact-info-panel{padding:20px!important}.contact-page .contact-copy h1{font-size:36px!important}.contact-page .form-grid{grid-template-columns:1fr!important}.contact-page .form-row{display:block!important}.contact-page input,.contact-page select,.contact-page textarea{max-width:100%!important}.contact-page .contact-lead{font-size:16px!important}.contact-page .info-list strong{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.lt-site *{scroll-behavior:auto!important;transition:none!important}}
.lt-contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start}.lt-contact-grid aside>h2{font-size:28px;margin-bottom:28px}.lt-contact-form{border:1px solid var(--lt-line);border-radius:20px;background:white;padding:32px}.lt-contact-form h2{font-size:28px}.lt-contact-form>p{margin-top:12px;font-size:14px}.lt-contact-form form{margin-top:24px}.lt-contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.lt-contact-form label{display:block;margin-bottom:20px;min-width:0}.lt-contact-form label span{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.lt-contact-form input,.lt-contact-form select,.lt-contact-form textarea{display:block;width:100%;min-width:0;border:1px solid #bfcbb9;border-radius:8px;background:#fffcf4;padding:13px 12px;color:var(--lt-ink);font:16px/1.5 inherit;font-family:inherit;font-size:16px;min-height:48px}.lt-contact-form textarea{resize:vertical;min-height:140px}.lt-contact-form button{width:100%;padding:14px;border:0;border-radius:9px;color:white;background:var(--lt-green);font:600 16px/1.5 inherit;font-family:inherit;font-size:16px;cursor:pointer;min-height:48px}.lt-contact-form button:disabled{opacity:.6;cursor:wait}.lt-contact-form .form-msg{margin-top:14px;font-size:14px}.lt-contact-form .form-msg.error{color:#a23d22}.lt-contact-form .form-msg.success{color:#245c40}@media(max-width:820px){.lt-contact-grid{grid-template-columns:1fr;gap:32px}}@media(max-width:560px){.lt-contact-form{padding:24px 20px}.lt-contact-form .form-row{grid-template-columns:1fr;gap:0}.lt-contact-form h2{font-size:25px}}