:root{--primary:rgb(70,139,223);--primary-50:#f1f7ff;--primary-100:#e5f0ff;--primary-200:#c7dcf8;--primary-500:#468bdf;--primary-600:#3277c9;--primary-700:#245eaa;--ink:#183049;--muted:#64768c;--line:#e4ebf2;--bg:#fff;--soft:#f7f9fc;--gradient:linear-gradient(130deg,#fff,#eff6ff);--shadow-sm:0 5px 18px #153a6110;--shadow-md:0 14px 38px #153a6115;--shadow-lg:0 26px 72px #153a6121;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:99px;--width:1220px;--transition-fast:180ms;--transition-base:230ms;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft Yahei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.8 var(--font);overflow-x:hidden}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 #ffb84d;outline-offset:3px}img{max-width:100%;height:auto;object-fit:contain}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.22;letter-spacing:-.025em;font-weight:560}h1{font-size:clamp(34px,4.8vw,64px)}h2{font-size:clamp(28px,3.1vw,42px)}h3{font-size:clamp(19px,1.7vw,24px)}p{color:var(--muted)}.container{width:min(calc(100% - 48px),var(--width));margin-inline:auto}.section{padding-block:clamp(56px,7.5vw,110px)}.shade{background:var(--soft)}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.13em;color:var(--primary-700);font-weight:600;margin-bottom:20px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;z-index:2000}.navbar{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(14px);transition:box-shadow .2s,border-color .2s;border-bottom:1px solid transparent}.navbar.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}.nav-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:650;font-size:20px;white-space:nowrap}.brand img{object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:clamp(12px,1.7vw,27px)}.desktop-nav a{color:#42556d;font-size:13px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a[aria-current=page]{color:var(--primary-700)}.language{display:flex;gap:8px;white-space:nowrap;font-size:13px;align-items:center;color:#9eabc0}.language a{color:var(--muted)}.language a.active{color:var(--primary-700);font-weight:600}.menu-button,.menu-close{border:0;background:var(--primary-50);border-radius:10px;color:var(--ink);font-size:24px;min-width:46px;height:46px;cursor:pointer}.menu-button{display:none}.menu-overlay{position:fixed;inset:0;background:#1329438a;z-index:130}.menu-overlay[hidden]{display:none}.mobile-drawer{position:fixed;z-index:140;right:0;top:0;height:100dvh;width:min(84vw,360px);padding:24px;background:#fff;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;transform:translateX(105%);visibility:hidden;transition:transform .23s,visibility .23s;overflow-y:auto}.mobile-drawer.open{transform:translateX(0);visibility:visible}.menu-close{align-self:flex-end}.mobile-drawer nav{display:flex;flex-direction:column;margin-top:18px}.mobile-drawer nav a{padding:12px 4px;border-bottom:1px solid var(--line);color:var(--ink)}.mobile-language{margin-top:auto;padding-top:28px}.drawer-open{overflow:hidden}.download-jump{position:fixed;z-index:90;right:14px;top:37%;width:78px;height:78px;border-radius:11px;background:var(--primary);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:28px;line-height:1.15;box-shadow:0 14px 30px #468bdf40}.download-jump span{font-size:12px;white-space:nowrap;font-weight:600;margin-top:4px}.download-jump:hover{color:#fff;background:var(--primary-600);transform:translateX(-3px)}.hero{display:grid;grid-template-columns:5fr 7fr;gap:clamp(36px,5vw,90px);align-items:center;min-height:670px;padding-block:75px 55px}.hero-copy p{max-width:560px;font-size:18px}.hero-copy>a{display:inline-block;margin-top:22px;font-weight:600}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.hero-tags span{border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 13px;font-size:12px;background:#fff}.hero-visual{min-height:540px;position:relative;display:flex;align-items:center;justify-content:center}.soft-orb{position:absolute;inset:8% 2%;border-radius:50%;background:radial-gradient(circle,#d7e9ff,transparent 68%);filter:blur(18px)}.app-img{position:relative;z-index:1;width:min(94%,570px);max-height:540px}.floating-status{position:absolute;z-index:2;background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 17px;box-shadow:var(--shadow-md);font-size:13px}.status-one{top:12%;left:0}.status-two{bottom:15%;right:0}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-block:25px}.principles>div{display:flex;align-items:center;gap:12px;padding-inline:12px;border-right:1px solid var(--line)}.principles>div:last-child{border:0}.principles small{color:#91a1b7}.principles p{margin:0;color:var(--ink);font-size:13px}.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(35px,6vw,90px);align-items:center}.reverse .section-copy{order:2}.section-copy{max-width:650px}.section-copy p{font-size:17px}.section-copy>a{font-weight:600}.section-img{display:block;max-width:310px;max-height:155px;margin:22px 0}.wallet-panel{padding:35px;border-radius:var(--radius-lg);background:var(--gradient);border:1px solid var(--primary-200);box-shadow:var(--shadow-sm);max-width:570px}.panel-top,.token-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-top{margin-bottom:25px}.panel-top em{font-size:11px;color:var(--primary-700);font-style:normal}.balance{display:block;font-size:clamp(36px,4vw,58px);line-height:1.3;font-weight:570}.token-row{border-top:1px solid #d8e6f5;padding:12px 0;font-size:14px}.token-row b{width:65px}.token-row span{flex:1;color:var(--muted)}.panel-foot{font-size:13px;border-top:1px solid #d8e6f5;padding-top:14px}.section-head{max-width:800px;margin-bottom:35px}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:28px;min-width:0;transition:transform .2s,border-color .2s}.step:hover{transform:translateY(-3px);border-color:var(--primary-200)}.step-no{color:var(--primary);font-size:30px;font-weight:520}.step h3{margin-top:18px}.step p{font-size:14px}.step a{font-size:13px;font-weight:600}.illustration{position:relative;border-radius:var(--radius-lg);background:var(--primary-50);min-height:330px;display:flex;align-items:center;justify-content:center;padding:30px}.illustration img{max-height:350px;width:100%}.illustration-note{position:absolute;bottom:15px;right:15px;background:#fff;padding:8px 12px;border-radius:10px;font-size:12px;box-shadow:var(--shadow-sm)}.architecture{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.architecture>div{border-top:2px solid var(--primary-200);padding:20px 6px}.architecture span{font-size:36px;color:var(--primary)}.architecture h3{margin-top:13px}.chapters{display:grid;grid-template-columns:4fr 8fr;gap:6%}.chapter-list>a{display:grid;grid-template-columns:75px 1fr 30px;align-items:center;gap:10px;padding:19px 7px;border-bottom:1px solid var(--line);color:var(--ink)}.chapter-list>a:hover{transform:translateX(4px);color:var(--primary-700)}.chapter-list span{color:var(--primary-700);font-size:13px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.scenario-grid article{border:1px solid var(--line);border-radius:var(--radius-md);padding:25px}.scenario-grid img{width:100%;height:185px;margin-bottom:20px}.scenario-grid a{font-size:13px;font-weight:600}.risk-section{background:#eef6ff}.risk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 40px}.risk-grid>div{padding:22px 0;border-bottom:1px solid #cbdff6}.risk-grid p{margin:8px 0 0}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list summary{font-weight:550;cursor:pointer;list-style:none;position:relative;padding:7px 36px 7px 0}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';position:absolute;right:8px;font-size:24px;font-weight:400;top:0;color:var(--primary)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{max-width:820px}.download-cta{background:var(--gradient);padding:clamp(66px,8vw,115px) 0;text-align:center;border-top:1px solid var(--primary-100)}.download-inner{display:flex;flex-direction:column;align-items:center}.download-inner p{max-width:680px}.download-btn{margin-top:23px;display:inline-flex;align-items:center;justify-content:center;min-width:245px;min-height:70px;padding:15px 30px;background:var(--primary);color:#fff;border-radius:12px;font-size:19px;font-weight:600;box-shadow:0 12px 26px #468bdf36}.download-btn:hover{color:#fff;background:var(--primary-600);transform:translateY(-2px)}.site-footer{background:#fbfcff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.footer-grid p{max-width:420px;margin-top:15px}.footer-grid small{color:var(--muted)}.footer-grid nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px}.footer-grid nav a{font-size:13px}.legal{margin-top:35px;border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}.inner-hero{padding-block:clamp(70px,8vw,130px) 35px}.inner-hero p{max-width:740px;font-size:18px}.breadcrumb{padding-top:25px;color:var(--muted);font-size:12px}.breadcrumb span{margin:0 5px}.guide-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:7%;padding:30px 0 55px}.guide-hero p{font-size:18px}.guide-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);align-items:start;gap:7%}.guide-content{min-width:0}.guide-step{display:flex;gap:20px;border-top:1px solid var(--line);padding:25px 0}.guide-step .step-no{min-width:50px}.guide-step p{margin:0}.checklist{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px}.checklist h2{font-size:24px}.checklist ul{padding-left:20px}.checklist li{margin:11px 0}.notice{margin:22px 0;padding:18px 20px;background:#fff8e9;border-left:3px solid #d6a451;border-radius:var(--radius-sm);color:#735a2d;font-size:14px}.related{display:flex;flex-wrap:wrap;gap:14px}.related a{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;font-size:14px}.related-section{border-top:1px solid var(--line)}.faq-layout{display:grid;grid-template-columns:minmax(0,2fr) 1fr;gap:7%;align-items:start}.reveal-ready .reveal{opacity:1}.reveal-ready .reveal.enter{animation:rise .55s ease both}@keyframes rise{from{opacity:.75;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1024px){.desktop-nav,.desktop-lang{display:none}.menu-button{display:block}.hero{min-height:550px}.journey-grid{grid-template-columns:repeat(2,1fr)}.download-jump{width:74px;height:74px}}
@media(max-width:768px){.container{width:calc(100% - 40px)}.nav-inner{height:68px}.hero,.split,.guide-hero,.guide-layout,.faq-layout,.chapters,.footer-grid{grid-template-columns:1fr;gap:30px}.hero{padding-top:44px;min-height:0}.hero-visual{min-height:0}.app-img{max-height:420px}.floating-status{position:relative;top:auto;left:auto;bottom:auto;right:auto;margin:8px;display:inline-block}.hero-visual{display:block;text-align:center}.soft-orb{inset:15%}.hero-visual .app-img{display:block;margin:auto}.principles{grid-template-columns:repeat(2,minmax(0,1fr))}.principles>div:nth-child(even){border-right:0}.reverse .section-copy{order:0}.architecture,.scenario-grid{grid-template-columns:1fr}.guide-hero .illustration{min-height:220px}.download-jump{width:68px;height:68px;top:39%;right:12px}.download-jump span{font-size:11px}.footer-grid nav{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.container{width:calc(100% - 36px)}.journey-grid,.risk-grid{grid-template-columns:1fr}.step{padding:22px}.principles{gap:8px}.principles>div{padding-inline:0;gap:6px}.principles p{font-size:11px}.wallet-panel{padding:20px}.token-row{font-size:12px}.chapter-list>a{grid-template-columns:60px 1fr 22px}.download-btn{width:70%;min-width:0;min-height:60px}.download-jump{width:66px;height:66px;right:11px;top:43%}.hero-copy h1,.guide-hero h1{padding-right:10px}.step-no{font-size:26px}.floating-status{font-size:11px}.inner-hero{padding-right:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}