/* xxxtoken | Local-first bilingual design system */
:root{--primary:rgb(70,139,223);--primary-50:#f4f8fe;--primary-100:#e9f2ff;--primary-200:#d4e5fb;--primary-500:#468bdf;--primary-600:#2e75cc;--primary-700:#215ba5;--gradient:linear-gradient(120deg,#f8fbff,#eaf3ff);--text:#223149;--muted:#617188;--line:#e1e8f1;--surface:#fff;--background:#fff;--green:#328365;--amber:#a97924;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:999px;--shadow-sm:0 5px 18px rgba(33,72,118,.045);--shadow-md:0 18px 55px rgba(34,80,140,.10);--shadow-lg:0 28px 80px rgba(40,96,164,.14);--transition-fast:180ms ease;--transition-base:220ms ease;--width:1200px;--font:-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:98px}body{margin:0;color:var(--text);background:var(--background);font:400 16px/1.78 var(--font);overflow-x:clip}body.drawer-open{overflow:hidden}button,a{ -webkit-tap-highlight-color:transparent}a{color:var(--primary-700);text-decoration:none;transition:color var(--transition-fast),transform var(--transition-fast)}a:hover{color:var(--primary)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--primary);outline-offset:4px}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto;object-fit:contain}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;font-weight:550;letter-spacing:-.035em;overflow-wrap:anywhere}h1{font-size:clamp(35px,4.7vw,62px);margin-bottom:26px}h2{font-size:clamp(27px,3.4vw,41px);margin-bottom:22px}h3{font-size:clamp(19px,1.8vw,23px);margin-bottom:12px}p{color:var(--muted)}.container{width:min(var(--width),calc(100% - 48px));margin-inline:auto}.section{padding-block:clamp(58px,7vw,104px)}.section-heading{max-width:820px;margin-bottom:36px}.section-heading p{font-size:17px}.eyebrow{display:inline-block;color:var(--primary-700);letter-spacing:.05em;font-size:13px;font-weight:600;margin-bottom:20px}.lead{font-size:clamp(16px,1.65vw,19px);line-height:1.85;max-width:660px}.skip-link{position:fixed;top:-70px;left:16px;z-index:120;background:white;padding:10px}.skip-link:focus{top:15px}.navbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.89);backdrop-filter:blur(14px);border-bottom:1px solid rgba(225,232,241,.55);transition:box-shadow var(--transition-base)}.navbar.scrolled{box-shadow:var(--shadow-sm);border-color:var(--line)}.nav-inner{min-height:80px;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:21px;font-weight:650;color:var(--text);white-space:nowrap}.brand img{width:38px;height:38px;object-fit:contain}.nav-desktop{display:flex;align-items:center;gap:clamp(12px,1.6vw,27px);margin-left:auto}.nav-desktop a{color:#4a586c;font-size:14px;font-weight:500;white-space:nowrap}.nav-desktop a:hover,.nav-desktop a[aria-current]{color:var(--primary-700)}.language-switch{display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:13px}.language-switch a{color:var(--muted)}.language-switch a.active{color:var(--primary-700);font-weight:600}.language-switch span{color:#aeb7c3}.menu-toggle{display:none;margin-left:auto;width:46px;height:46px;background:white;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{height:2px;width:22px;background:var(--text)}.drawer-overlay{position:fixed;inset:0;background:rgba(19,39,67,.42);z-index:89;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}.mobile-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(84vw,360px);background:#fff;z-index:90;transform:translateX(101%);transition:transform .26s;display:flex;flex-direction:column;padding:25px 26px 30px;overflow-y:auto;box-shadow:var(--shadow-lg)}body.drawer-open .drawer-overlay{opacity:1;visibility:visible}body.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.drawer-head strong{font-size:22px}.drawer-close{border:0;background:var(--primary-50);border-radius:10px;width:44px;height:44px}.mobile-drawer nav{display:flex;flex-direction:column}.mobile-drawer nav a{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--text);font-weight:500}.drawer-language{margin-top:auto;padding-top:24px}.download-jump{position:fixed;top:39%;right:14px;z-index:65;display:flex;flex-direction:column;align-items:center;justify-content:center;width:80px;height:80px;gap:1px;border-radius:10px;background:var(--primary);box-shadow:0 12px 30px rgba(39,96,179,.23);color:#fff!important;font-size:14px;font-weight:550;line-height:1.25}.download-jump .jump-arrow{font-size:28px;line-height:1.1}.download-jump:hover{transform:translateX(-4px);background:var(--primary-600)}body.drawer-open .download-jump{visibility:hidden}.hero{padding-top:clamp(54px,7vw,98px)}.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(26px,5vw,68px);align-items:center;min-height:590px}.hero-copy{position:relative;z-index:2}.hero-tags{display:flex;flex-wrap:wrap;gap:11px;margin-top:28px}.hero-tags span{border:1px solid var(--line);padding:8px 13px;border-radius:var(--radius-pill);font-size:13px;color:#536982;background:white}.hero-more{margin-top:31px;font-weight:550}.hero-stage{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;padding:35px 45px}.hero-orb{position:absolute;inset:8% 1% 10% 3%;background:radial-gradient(circle at 55% 45%,#cfe6ff,transparent 60%);filter:blur(19px);border-radius:50%;opacity:.8}.hero-app{position:relative;z-index:1;width:min(100%,485px);max-height:505px;filter:drop-shadow(0 24px 26px rgba(57,105,170,.09))}.float-status{position:absolute;z-index:2;background:rgba(255,255,255,.96);border:1px solid var(--line);padding:14px 18px;border-radius:13px;box-shadow:var(--shadow-md);line-height:1.4;font-weight:550;font-size:14px}.float-status small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:5px}.float-one{left:0;top:19%}.float-two{right:-1%;bottom:14%}.security-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.strip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.strip-item{display:flex;align-items:center;gap:13px;padding:25px 14px;border-right:1px solid var(--line);min-width:0;font-size:14px}.strip-item:last-child{border-right:0}.strip-item strong{font-weight:500}.strip-num{color:var(--primary-600);font-size:12px}.showcase-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:7%;align-items:center}.showcase-image{max-width:390px;margin-top:24px}.showcase-image img{max-height:245px}.wallet-preview{background:#fff;border:1px solid #dce6f2;border-radius:24px;box-shadow:var(--shadow-md);padding:clamp(22px,3vw,36px);width:100%;max-width:590px;margin-inline:auto;min-width:0}.wallet-top,.wallet-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px;color:var(--muted)}.wallet-top{margin-bottom:24px}.dot-status{color:var(--green)}.wallet-label{font-size:13px;color:var(--muted)}.wallet-amount{font-size:clamp(30px,4vw,47px);font-weight:550;letter-spacing:-.05em;line-height:1.3}.wallet-minor{color:var(--muted);font-size:12px;margin-bottom:27px}.token-row{display:flex;align-items:center;gap:13px;min-height:65px;border-top:1px solid var(--line);font-size:14px}.token-icon{display:grid;place-items:center;background:var(--primary-50);width:38px;height:38px;border-radius:11px;color:var(--primary-700);flex:none}.token-name{display:flex;flex-direction:column;line-height:1.4;min-width:0}.token-name strong{font-weight:550}.token-name small{color:var(--muted);font-size:11px}.token-value{margin-left:auto;text-align:right;white-space:nowrap;font-size:12px}.wallet-bottom{border-top:1px solid var(--line);padding-top:17px;flex-wrap:wrap}.journey{background:var(--primary-50)}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.journey-step{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);display:flex;flex-direction:column;min-height:278px;transition:transform var(--transition-base),border-color var(--transition-base)}.journey-step:hover{transform:translateY(-3px);border-color:var(--primary-200)}.journey-step p{font-size:14px;flex:1}.journey-step a{font-size:13px;font-weight:600}.step-no{color:var(--primary-600);font-weight:550;font-size:14px;margin-bottom:18px}.step-no span{font-size:20px;margin-left:8px}.split-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:8%;align-items:center}.split-feature:nth-of-type(even){background:#fbfcff}.split-reverse .split-text{order:2}.split-art{min-width:0;background:var(--primary-50);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(20px,4vw,46px);text-align:center}.split-art img{width:100%;height:300px;object-fit:contain}.split-art figcaption{font-size:12px;color:var(--muted)}.split-text p{font-size:17px}.split-text a,.risk-grid a,.faq-grid a{font-weight:550}.micro-status{margin-top:27px;border-top:1px solid var(--line);padding-top:20px;color:var(--green);font-size:13px}.architecture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:38px}.architecture-grid article{border-top:2px solid var(--primary-200);padding-top:24px}.architecture-grid article>span{color:var(--primary-600);font-size:16px}.architecture-grid h3{margin-top:24px}.chapter-grid{display:grid;grid-template-columns:4fr 7fr;gap:9%;align-items:start}.chapter-list{border-top:1px solid var(--line)}.chapter-row{display:flex;gap:24px;align-items:center;padding:18px 8px;border-bottom:1px solid var(--line)}.chapter-row>span{font-size:12px;color:var(--primary-600)}.chapter-row a{color:var(--text);font-weight:500;flex:1;display:flex;justify-content:space-between}.chapter-row:hover a{transform:translateX(3px);color:var(--primary-600)}.scenario-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}.scenario-item{grid-column:span 2;border:1px solid var(--line);border-radius:var(--radius-md);padding:28px;min-height:250px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.scenario-item:nth-child(4),.scenario-item:nth-child(5){grid-column:span 3}.scenario-item:hover{border-color:var(--primary-200);transform:translateY(-2px)}.scenario-item p{font-size:14px;flex:1}.scenario-item a{font-size:13px;font-weight:550}.scenario-item img{max-height:150px;align-self:flex-end;margin-top:12px}.icon-badge{display:grid;place-items:center;width:47px;height:47px;border-radius:12px;background:var(--primary-50);margin-bottom:20px}.risk-section{background:linear-gradient(120deg,#f5f9ff,#eaf3ff)}.risk-grid{display:grid;grid-template-columns:5fr 6fr;gap:10%;align-items:center}.risk-list>div{border-bottom:1px solid #ccdbef;padding:18px 2px;color:#3d5878}.faq-grid{display:grid;grid-template-columns:4fr 7fr;gap:8%}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:21px 4px;display:flex;justify-content:space-between;gap:20px;font-weight:550;line-height:1.55}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{color:var(--primary);transition:transform .2s}.faq-item[open] summary span{transform:rotate(45deg)}.faq-answer{padding:0 18px 22px 4px}.faq-answer p{margin:0;font-size:15px}.guide-hero{background:var(--gradient);padding-bottom:clamp(55px,6vw,83px)}.guide-hero>.container>h1{max-width:900px}.guide-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:5%;align-items:center}.guide-art{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;text-align:center}.guide-art img{height:310px;width:100%;object-fit:contain}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:36px}.breadcrumb a{color:var(--primary-700)}.guide-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(260px,4fr);gap:8%;align-items:start}.guide-step{display:grid;grid-template-columns:50px minmax(0,1fr);gap:14px;border-bottom:1px solid var(--line);padding:28px 0}.guide-step:first-child{padding-top:0}.guide-step h2{font-size:clamp(23px,2.6vw,31px)}.guide-step p{font-size:16px}.guide-step-index{color:var(--primary-600);font-size:15px;font-weight:550}.mini-action{font-size:13px;color:var(--green);padding-top:8px}.guide-aside{border:1px solid var(--line);border-radius:var(--radius-md);padding:clamp(20px,3vw,30px);background:#fbfdff}.guide-aside h2{font-size:24px}.guide-aside ul{padding-left:20px;color:#526780;font-size:14px}.guide-aside li{margin-bottom:15px}.notice{background:#fff8e9;border:1px solid #f4e4c7;border-radius:10px;padding:15px;margin-top:24px}.notice strong{font-size:14px;color:#8d621e}.notice p{font-size:13px;margin:6px 0 0}.variant-1 .guide-step{background:linear-gradient(90deg,#f8fbff,white);margin-bottom:14px;padding:25px;border-radius:14px;border:1px solid var(--line)}.variant-2 .guide-main{border-left:2px solid var(--primary-200);padding-left:24px}.variant-3 .guide-step:nth-child(odd){border-radius:16px;background:var(--primary-50);padding:24px}.guide-feature{background:#fbfcfe}.faq-page-grid{display:grid;grid-template-columns:7fr 4fr;gap:8%;align-items:start}.related{padding-top:45px}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.related-item{border:1px solid var(--line);border-radius:13px;padding:22px 18px;min-height:100px}.related-item a{font-weight:550;line-height:1.5}.download-cta{background:var(--gradient);text-align:center}.download-inner{display:flex;flex-direction:column;align-items:center}.download-inner p{max-width:680px}.download-btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-width:235px;min-height:76px;padding:16px 34px;margin-top:26px;background:var(--primary);color:#fff!important;border-radius:12px;font-size:20px;font-weight:600;box-shadow:0 12px 27px rgba(70,139,223,.23);scroll-margin-top:160px}.download-btn:hover{background:var(--primary-600);transform:translateY(-2px)}.site-footer{border-top:1px solid var(--line);padding:55px 0 35px}.footer-grid{display:grid;grid-template-columns:5fr 5fr 2fr;gap:38px}.footer-brand{font-size:25px;font-weight:600;color:var(--text)}.site-footer p,.site-footer small,.footer-end{font-size:13px;color:var(--muted)}.site-footer nav{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.site-footer nav a{font-size:13px}.footer-end{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;text-align:right}
@media(max-width:1150px){.nav-desktop{gap:11px}.nav-desktop a{font-size:13px}.nav-inner{gap:17px}.hero-stage{padding-inline:20px}.float-one{left:-10px}}
@media(max-width:1024px){.nav-desktop,.desktop-language{display:none}.menu-toggle{display:flex}.hero-grid{grid-template-columns:1fr 1fr;gap:22px;min-height:490px}.hero-stage{min-height:430px}.strip-grid{grid-template-columns:repeat(2,1fr)}.strip-item:nth-child(2){border-right:0}.strip-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.journey-grid{grid-template-columns:repeat(2,1fr)}.scenario-item{padding:22px}.chapter-grid{gap:5%}}
@media(max-width:768px){.container{width:calc(100% - 40px)}.section{padding-block:clamp(46px,8vw,75px)}.nav-inner{min-height:70px}.hero-grid,.showcase-grid,.split-grid,.chapter-grid,.risk-grid,.faq-grid,.guide-hero-grid,.guide-layout,.faq-page-grid{grid-template-columns:minmax(0,1fr);gap:35px}.hero-grid{min-height:unset}.hero-stage{min-height:310px;padding:12px 18px}.hero-app{max-height:300px}.float-status{position:relative;left:auto;right:auto;top:auto;bottom:auto;display:inline-block;margin:5px 5px 0 0;font-size:12px;padding:10px}.hero-stage{display:block;text-align:center}.hero-orb{inset:0}.strip-grid{grid-template-columns:repeat(2,1fr)}.strip-item{padding:18px 8px;gap:8px;font-size:12px}.journey-grid{grid-template-columns:1fr}.journey-step{min-height:unset}.split-reverse .split-text{order:0}.split-art img{height:240px}.architecture-grid{grid-template-columns:1fr;gap:12px}.architecture-grid article{padding:16px 0}.scenario-grid{grid-template-columns:repeat(2,1fr)}.scenario-item,.scenario-item:nth-child(4),.scenario-item:nth-child(5){grid-column:auto}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-art img{height:240px}.guide-aside{max-width:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-end{align-items:flex-start;grid-column:1/-1;flex-direction:row}.download-jump{height:68px;width:68px;right:12px;top:43%;font-size:11px}.download-jump .jump-arrow{font-size:24px}.download-btn{min-height:62px;width:min(70vw,300px);min-width:0}.wallet-preview{padding:20px}}
@media(max-width:480px){.container{width:calc(100% - 34px)}body{font-size:15px}h1{font-size:clamp(34px,9vw,40px)}.hero-stage{min-height:250px}.hero-app{max-height:250px}.float-status{display:inline-block;margin:8px 2px 0;width:calc(50% - 10px);white-space:normal;vertical-align:top}.float-status small{font-size:10px}.strip-grid{grid-template-columns:1fr 1fr}.strip-item{flex-wrap:wrap}.strip-item strong{flex-basis:100%}.scenario-grid{grid-template-columns:1fr}.scenario-item{min-height:unset}.related-grid{grid-template-columns:1fr}.guide-step{grid-template-columns:35px minmax(0,1fr);gap:8px}.guide-step h2{font-size:24px}.wallet-preview{padding:17px}.token-row{gap:8px}.token-icon{width:33px;height:33px}.token-value{font-size:11px}.wallet-top{gap:8px}.footer-grid{grid-template-columns:1fr}.footer-end{grid-column:auto}.download-jump{right:9px;top:46%;height:64px;width:64px}.guide-hero .lead,.hero-copy .lead{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media(prefers-reduced-motion:no-preference){.js-ready .reveal{transition:opacity .55s ease,transform .55s ease}.js-ready .reveal:not(.visible){opacity:.92;transform:translateY(14px)}.js-ready .reveal.visible{opacity:1;transform:none}}