/* xxxtoken bilingual design system */
:root{--primary:rgb(70,139,223);--primary-50:#f0f6fe;--primary-100:#e3efff;--primary-200:#bdd9fa;--primary-500:#468bdf;--primary-600:#3175c7;--primary-700:#265c9e;--text:#23364d;--muted:#63758a;--line:#e2eaf2;--bg:#fff;--soft:#f7f9fc;--grad:linear-gradient(120deg,#fff 8%,#f0f7ff 90%);--shadow-sm:0 5px 18px #285d9610;--shadow-md:0 14px 40px #285d9615;--shadow-lg:0 30px 80px #366fa31c;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:99px;--container:1200px;--transition-fast:170ms ease;--transition-base:230ms ease;--font:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);font-size:16px;font-weight:400;color:var(--text);background:var(--bg);line-height:1.75;overflow-x:clip}body.menu-open{overflow:hidden}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #f4aa39;outline-offset:4px}.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}.section{padding:clamp(64px,7vw,104px) 0}.shade{background:var(--soft)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;color:var(--primary-700);font-weight:600}.lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);line-height:1.85;max-width:650px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.45vw,62px);line-height:1.18;letter-spacing:-.045em;font-weight:600;margin:20px 0 24px}h2{font-size:clamp(29px,3vw,42px);font-weight:550;line-height:1.28;letter-spacing:-.035em;margin:12px 0 22px}h3{font-size:19px;font-weight:550;line-height:1.35}p{color:var(--muted)}.text-link{display:inline-flex;align-items:center;color:var(--primary-700);font-weight:550;border-bottom:1px solid var(--primary-200);padding:7px 0;transition:transform var(--transition-fast)}.text-link:hover{transform:translateX(3px)}.skip{position:absolute;left:-999px;top:5px;z-index:200}.skip:focus{left:12px;background:#fff;padding:8px}.navbar{position:sticky;top:0;z-index:70;background:#fffffff0;backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow var(--transition-base),border-color var(--transition-base)}.navbar.scrolled{border-color:var(--line);box-shadow:var(--shadow-sm)}.navbar-inner{height:78px;display:flex;align-items:center;gap:27px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--text);font-size:21px}.brand img{object-fit:contain}.brand strong{font-weight:600;letter-spacing:-.045em}.desktop-nav{display:flex;gap:clamp(9px,1.2vw,24px);align-items:center;margin-left:auto}.desktop-nav a{font-size:13px;font-weight:500;white-space:nowrap;color:#53677c;transition:color var(--transition-fast)}.desktop-nav a:hover,.desktop-nav [aria-current]{color:var(--primary-700)}.lang-switch{display:flex;gap:8px;align-items:center;font-size:13px;white-space:nowrap;color:#9eabba}.lang-switch a.active{color:var(--primary-700);font-weight:600}.menu-button{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;font-size:24px;cursor:pointer}.drawer-overlay{position:fixed;inset:0;background:#11253c61;z-index:90}.drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,360px);height:100dvh;background:#fff;z-index:100;transform:translateX(105%);transition:transform var(--transition-base);display:flex;flex-direction:column;padding:22px;box-shadow:var(--shadow-lg);visibility:hidden}.drawer.open{transform:none;visibility:visible}.drawer-close{align-self:flex-end;width:44px;height:44px;border:none;background:var(--primary-50);border-radius:10px;font-size:29px;cursor:pointer}.drawer nav{display:flex;flex-direction:column;margin:25px 0}.drawer nav a{padding:13px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.drawer-lang{margin-top:auto;padding:20px 0}.drawer-lang a{padding:10px;color:var(--primary-700)}.download-jump{position:fixed;right:14px;top:43%;z-index:60;background:var(--primary);color:#fff;display:flex;width:78px;height:78px;flex-direction:column;align-items:center;justify-content:center;border-radius:10px;line-height:1.3;font-size:13px;font-weight:600;box-shadow:0 12px 30px #468bdf55;transition:transform var(--transition-fast)}.download-jump .jump-arrow{font-size:30px;font-weight:400}.download-jump:hover{transform:translateX(-4px)}.download-cta{padding:clamp(65px,7vw,110px) 0;background:linear-gradient(115deg,#eaf4ff,#f9fcff)}.cta-inner{text-align:center;display:flex;flex-direction:column;align-items:center}.cta-inner h2{max-width:780px}.cta-inner p{max-width:640px}.download-btn{display:flex;align-items:center;justify-content:center;min-height:72px;min-width:240px;padding:14px 30px;background:var(--primary);color:#fff;font-size:19px;font-weight:600;border-radius:12px;margin:26px auto 0;box-shadow:0 14px 30px #468bdf30}.download-btn:hover{background:var(--primary-600)}.hero{background:var(--grad);padding:clamp(52px,5vw,85px) 0}.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,5vw,88px);align-items:center;min-height:590px}.hero-copy{position:relative;z-index:2}.hero-copy .lead{max-width:530px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 28px}.hero-tags span,.guide-stats span{border:1px solid #d7e5f5;background:#ffffffce;border-radius:10px;padding:7px 12px;font-size:13px;white-space:nowrap}.hero-stage{min-width:0;position:relative;display:flex;align-items:center;justify-content:center;min-height:530px}.orb{position:absolute;border-radius:50%;filter:blur(12px);background:#cbe5ff8c}.orb-one{width:400px;height:400px;right:5%;top:8%}.orb-two{width:200px;height:200px;left:0;bottom:6%}.app-hero{position:relative;max-width:75%;max-height:490px;object-fit:contain;filter:drop-shadow(0 25px 28px #234a7520)}.hero-mini{position:absolute;z-index:3;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 15px;box-shadow:var(--shadow-sm);font-size:13px}.status-top{right:0;top:13%}.status-bottom{left:3%;bottom:14%}.hero-preview{position:absolute;width:45%;min-width:205px;right:-2%;bottom:-4%;transform:scale(.72);transform-origin:bottom right}.hero-preview .wallet-panel{box-shadow:var(--shadow-md)}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.principles-grid{display:grid;grid-template-columns:repeat(4,1fr)}.principles-grid>div{display:flex;gap:15px;padding:25px 18px;border-right:1px solid var(--line)}.principles-grid>div:first-child{padding-left:0}.principles-grid>div:last-child{border-right:0}.principles-grid small{color:var(--primary)}.principles-grid strong{font-weight:500;font-size:14px}.split{display:grid;grid-template-columns:6.5fr 5.5fr;align-items:center;gap:clamp(35px,6vw,90px)}.split.reverse{grid-template-columns:5.5fr 6.5fr}.split.reverse>*:first-child{order:2}.split-copy>p{font-size:17px;max-width:590px}.display-product{background:#eef6ff;border-radius:var(--radius-lg);padding:35px;min-width:0;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:10px}.small-illustration{object-fit:contain;max-height:340px}.wallet-panel{padding:26px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm);max-width:440px;width:100%;min-width:0}.wallet-heading{display:flex;justify-content:space-between;gap:8px;font-weight:600;font-size:14px}.wallet-heading small{font-size:10px;color:var(--primary-700);white-space:nowrap}.balance-label{font-size:12px;color:var(--muted);margin-top:23px}.balance{font-size:clamp(27px,3vw,37px);font-weight:600;letter-spacing:-.05em;margin-bottom:18px}.token{display:flex;gap:10px;align-items:center;border-top:1px solid var(--line);padding:12px 0;font-size:13px}.token div{flex:1;min-width:0}.token small{display:block;color:var(--muted);font-size:11px}.token strong{font-size:12px;font-weight:550}.token-icon{border-radius:10px;background:var(--primary-50);width:35px;height:35px;display:grid;place-items:center;color:var(--primary-700)}.wallet-note{font-size:11px;color:#2b8b64;padding:8px;background:#eefaf5;border-radius:8px}.section-top{max-width:790px;margin-bottom:35px}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step{background:#fff;padding:27px;border:1px solid var(--line);border-radius:16px;min-width:0;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.step:hover,.scenario:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}.step-count{display:flex;justify-content:space-between;color:var(--primary-700);font-size:22px;margin-bottom:22px}.step h3{margin-bottom:10px}.step p{font-size:14px;line-height:1.8;min-height:70px}.step a{color:var(--primary-700);font-size:13px;font-weight:600}.art-figure{margin:0;background:#f3f8ff;border:1px solid var(--line);padding:34px;border-radius:var(--radius-lg);text-align:center}.art-figure img{width:100%;height:330px;object-fit:contain}.art-figure figcaption{color:var(--muted);font-size:12px}.foundation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.foundation-grid article{border-top:2px solid var(--primary-200);padding-top:20px}.foundation-grid article>b{font-weight:500;color:var(--primary)}.foundation-grid article>span{display:block;font-size:28px;margin:15px 0}.foundation-grid p{max-width:350px}.directory{display:grid;grid-template-columns:4fr 8fr;gap:70px}.directory-intro{position:sticky;top:110px;align-self:start}.directory-links>a{display:grid;grid-template-columns:55px 1fr 30px;gap:12px;align-items:center;border-bottom:1px solid var(--line);min-height:66px;font-weight:500;transition:padding var(--transition-fast)}.directory-links>a:hover{padding-left:7px;color:var(--primary-700)}.directory-links>a>span:first-child{color:var(--primary);font-size:13px}.scenario-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.scenario{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;transition:transform var(--transition-fast);min-width:0;position:relative}.scenario p{font-size:13px;line-height:1.7}.icon-tile{display:grid;place-items:center;width:50px;height:50px;border-radius:13px;background:var(--primary-50);font-size:24px;margin-bottom:22px}.scenario-arrow{color:var(--primary)}.risk-layout{display:grid;grid-template-columns:5fr 7fr;gap:65px;align-items:center}.risk-list{background:#f3f8ff;padding:25px 35px;border-radius:20px}.risk-list>div{display:flex;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid #dbe8f5}.risk-list>div:last-child{border-bottom:0}.risk-list span{color:var(--primary)}.risk-list b{color:#2b9a6a;margin-left:auto}.faq-preview{display:grid;grid-template-columns:4fr 8fr;gap:60px}.accordion{width:100%}.faq-item{border-bottom:1px solid var(--line)}.faq-toggle{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 0;width:100%;text-align:left;border:0;background:none;color:var(--text);font-size:16px;font-weight:550;cursor:pointer}.faq-toggle span{font-size:22px;color:var(--primary)}.faq-toggle[aria-expanded=true] span{transform:rotate(45deg)}.faq-answer{padding:0 0 20px;max-width:800px}.faq-answer p{margin:0}.guide-hero{padding:clamp(60px,6vw,98px) 0;background:var(--grad)}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:30px}.breadcrumb a:hover{color:var(--primary)}.guide-top{display:grid;grid-template-columns:6fr 5fr;gap:8%;align-items:center}.guide-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.guide-art{margin:0;background:#fff9;border:1px solid var(--line);padding:22px;border-radius:22px;text-align:center}.guide-art img{width:100%;height:310px;object-fit:contain}.guide-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(250px,4fr);gap:70px}.guide-article>p{max-width:820px}.guide-steps{margin-top:30px}.guide-steps section{display:flex;gap:22px;border-top:1px solid var(--line);padding:24px 0}.guide-steps .number{font-size:24px;color:var(--primary);flex:0 0 42px}.guide-steps h3{margin-bottom:6px}.guide-steps p{margin:0}.guide-aside{align-self:start;position:sticky;top:110px;background:var(--soft);padding:25px;border:1px solid var(--line);border-radius:16px}.guide-aside ul{padding-left:18px;color:var(--muted)}.guide-aside li{margin-bottom:12px}.tip,.notice{border-left:3px solid var(--primary);background:#eaf4ff;padding:16px;border-radius:7px;margin-top:22px}.tip p,.notice p{margin-bottom:0;font-size:14px}.context-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:20px;padding:28px}.context-head{font-weight:600;font-size:18px;margin-bottom:17px}.context-panel>div:not(.context-head){padding:16px 0;border-top:1px solid var(--line);display:flex;gap:12px}.context-panel>div span{color:#238c61}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related a{padding:24px;border:1px solid var(--line);border-radius:14px;display:flex;justify-content:space-between;gap:10px;background:#fff}.related a b{color:var(--primary)}.faq-full{max-width:960px}.footer{background:#f9fbfe;padding:50px 0 22px;border-top:1px solid var(--line)}.footer-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}.footer-brand{font-size:22px;font-weight:550}.footer-brand span{font-size:12px;color:var(--muted);font-weight:400}.footer p{font-size:13px;max-width:580px}.footer nav{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;font-size:13px}.footer nav a:hover{color:var(--primary)}.footnote{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:12px;color:var(--muted)}.reveal{transition:transform .55s ease,opacity .55s ease}.reveal.in-view{transform:translateY(0);opacity:1}@media(max-width:1100px){.desktop-nav{display:none}.lang-switch{margin-left:auto}.menu-button{display:block}.hero-grid{grid-template-columns:1fr 1fr}.hero-preview{display:none}.scenario-grid{grid-template-columns:repeat(2,1fr)}.display-product{grid-template-columns:1fr}.small-illustration{max-height:140px;margin:auto}}@media(max-width:768px){.container{width:min(calc(100% - 38px),var(--container))}.navbar-inner{height:68px}.lang-switch{display:none}.download-jump{right:12px;top:47%;width:68px;height:68px;font-size:11px}.download-jump .jump-arrow{font-size:27px}.hero-grid,.split,.split.reverse,.guide-top,.guide-layout,.directory,.risk-layout,.faq-preview,.footer-layout{grid-template-columns:1fr;gap:30px}.split.reverse>*:first-child{order:0}.hero-grid{min-height:0}.hero-stage{min-height:360px}.app-hero{max-height:300px}.hero-mini{position:static;align-self:flex-end}.hero-stage{display:flex;flex-wrap:wrap;gap:8px}.orb{max-width:80%}.principles-grid{grid-template-columns:repeat(2,1fr)}.principles-grid>div{border-bottom:1px solid var(--line)}.journey-grid{grid-template-columns:1fr 1fr}.foundation-grid{grid-template-columns:1fr}.directory-intro,.guide-aside{position:static}.scenario-grid{grid-template-columns:1fr 1fr}.related{grid-template-columns:1fr}.guide-art img{height:240px}.guide-hero{padding:50px 0}.download-btn{min-height:60px;width:70%;min-width:0}.faq-toggle{font-size:15px}.footer nav{grid-template-columns:repeat(2,1fr)}.risk-list{padding:18px}.art-figure img{height:250px}}@media(max-width:480px){.container{width:calc(100% - 36px)}h1{font-size:clamp(34px,9vw,40px)}h2{font-size:clamp(27px,7vw,32px)}.hero-tags{gap:7px}.hero-tags span{font-size:12px}.journey-grid,.scenario-grid{grid-template-columns:1fr}.principles-grid>div{padding:16px 7px}.principles-grid strong{font-size:12px}.hero-stage{min-height:320px}.hero-mini{font-size:11px;padding:7px}.download-jump{width:64px;height:64px;right:12px}.step{padding:22px}.display-product{padding:16px}.wallet-panel{padding:16px}.wallet-heading{flex-wrap:wrap}.balance{font-size:28px}.guide-art img{height:190px}.guide-steps section{gap:10px}.guide-steps .number{flex:0 0 35px}.cta-inner{padding-right:35px;padding-left:35px}.download-btn{width:min(100%,300px)}.footer nav{gap:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}