:root{--primary:rgb(70,139,223);--primary-50:#f3f8ff;--primary-100:#e5f0fd;--primary-200:#c8def7;--primary-500:#468bdf;--primary-600:#3077ce;--primary-700:#235fa8;--gradient:linear-gradient(130deg,#f3f8ff,#fff);--ink:#1c314a;--muted:#60748c;--border:#dfE8f2;--surface:#fff;--background:#fff;--success:#208762;--warning:#a66c19;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:999px;--shadow-sm:0 8px 24px rgba(46,88,134,.06);--shadow-md:0 18px 50px rgba(39,80,129,.1);--shadow-lg:0 22px 80px rgba(40,96,162,.12);--content:1200px;--transition-fast:180ms ease;--transition-base:240ms ease;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.8;font-weight:400;overflow-x:hidden}img{max-width:100%;height:auto;object-fit:contain}a{color:var(--primary-700);text-decoration:none}a:hover{color:var(--primary-600)}button{font:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.22;font-weight:550;letter-spacing:-.035em}h1{font-size:clamp(36px,4.4vw,62px)}h2{font-size:clamp(28px,3.1vw,42px)}h3{font-size:clamp(19px,1.8vw,24px)}p{color:var(--muted)}:focus-visible{outline:3px solid #ffb45d;outline-offset:4px}.container{width:min(var(--content),calc(100% - 48px));margin-inline:auto}.section{padding-block:clamp(56px,7vw,104px)}.eyebrow{text-transform:none;font-size:13px;letter-spacing:.06em;font-weight:550;color:var(--primary-700);margin-bottom:20px}.lead{font-size:clamp(16px,1.5vw,19px);max-width:650px;line-height:1.82}.skip{position:absolute;top:-100px;left:12px;z-index:100;background:white;padding:8px 14px}.skip:focus{top:10px}.navbar{height:82px;position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);transition:box-shadow var(--transition-fast),border var(--transition-fast);border-bottom:1px solid transparent}.navbar.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--border)}.nav-inner{height:100%;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:21px;font-weight:600;white-space:nowrap}.brand img{width:42px;height:42px;object-fit:contain}.desktop-nav{display:flex;gap:clamp(12px,1.45vw,23px);align-items:center;margin-left:auto}.desktop-nav a{font-size:14px;color:var(--ink);white-space:nowrap;transition:color var(--transition-fast)}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--primary-600)}.language{display:flex;gap:9px;align-items:center;white-space:nowrap;font-size:13px}.language a{color:var(--muted)}.language a[aria-current]{color:var(--primary-600);font-weight:600}.menu-toggle{display:none}.mobile-drawer,.drawer-overlay{display:none}.download-jump{position:fixed;right:14px;top:39%;width:80px;height:80px;z-index:35;background:var(--primary);color:#fff;border-radius:10px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.25;gap:6px;font-size:13px;transition:transform var(--transition-fast),background var(--transition-fast);text-align:center}.download-jump:hover{color:white;background:var(--primary-600);transform:translateX(-3px)}.download-jump .arrow{font-size:28px;line-height:1}.download-cta{background:linear-gradient(120deg,#f0f7ff,#e7f2ff 55%,#f8fbff);padding:clamp(64px,8vw,115px) 16px}.cta-inside{text-align:center}.cta-inside h2{max-width:750px;margin:0 auto 16px}.cta-inside p:not(.eyebrow){max-width:680px;margin:0 auto 27px}.download-btn{display:flex;align-items:center;justify-content:center;margin-inline:auto;min-width:250px;width:max-content;max-width:95%;min-height:72px;padding:16px 28px;background:var(--primary);border-radius:12px;color:white;font-size:20px;font-weight:550;box-shadow:0 14px 34px #468bdf33;transition:transform var(--transition-fast)}.download-btn:hover{color:white;background:var(--primary-600);transform:translateY(-2px)}.footer{padding:64px 0 25px;background:#f9fbfe}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:80px}.footer-grid h2{font-size:17px}.footer-grid a:not(.footer-brand){display:block;margin-bottom:8px;color:var(--muted);font-size:14px}.footer-grid p{max-width:420px;font-size:14px}.footer-brand{font-size:24px;font-weight:600;color:var(--ink)}.copyright{font-size:12px;color:var(--muted);border-top:1px solid var(--border);padding-top:20px;margin-top:40px}.hero{display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:34px;min-height:650px;padding-block:65px 95px}.hero h1 em{font-style:normal;color:var(--primary)}.hero-copy .lead{margin:24px 0 30px}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.hero-tags span{background:var(--primary-50);border:1px solid var(--border);border-radius:var(--radius-pill);font-size:13px;padding:7px 12px;color:var(--ink)}.text-link{font-weight:550}.hero-stage{height:580px;display:flex;align-items:center;justify-content:center;position:relative;isolation:isolate}.glow{position:absolute;width:75%;height:75%;border-radius:50%;background:radial-gradient(circle,#cce6ff 0,rgba(233,245,255,.55) 50%,transparent 75%);z-index:-1;filter:blur(12px)}.hero-device{max-height:565px;max-width:85%;filter:drop-shadow(0 18px 34px #225c9b22)}.float-card{position:absolute;background:rgba(255,255,255,.97);border:1px solid var(--border);padding:14px 18px;border-radius:14px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:12px;font-size:13px;font-weight:550}.float-card small{display:block;color:var(--muted);font-weight:400}.float-top{top:16%;right:0}.float-bottom{bottom:16%;left:0}.principles{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr)}.principle-grid>div{display:flex;align-items:center;gap:14px;padding:22px 12px;border-right:1px solid var(--border)}.principle-grid>div:last-child{border:0}.principle-grid b{color:var(--primary);font-size:12px}.principle-grid span{font-size:14px}.section-intro{max-width:760px;margin-bottom:34px}.section-intro.wide{max-width:920px}.showcase-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.wallet-ui{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:32px;border-radius:24px}.wallet-head{display:flex;justify-content:space-between;gap:10px;font-weight:550;font-size:14px}.status{color:var(--success);font-size:12px}.wallet-ui>p{font-size:13px;margin:30px 0 0}.wallet-ui>strong{font-size:clamp(34px,4vw,53px);font-weight:550;line-height:1.2}.wallet-actions{display:flex;gap:12px;margin:24px 0}.wallet-actions span{padding:9px 20px;background:var(--primary-50);border-radius:10px;color:var(--primary-700);font-size:13px}.token-row{display:flex;align-items:center;gap:15px;border-top:1px solid var(--border);padding:14px 0;font-size:14px}.token-ico{width:42px;height:42px;display:grid;place-items:center;background:var(--primary-50);border-radius:12px;color:var(--primary)}.token-row>span:nth-child(2){flex:1}.token-row small{display:block;color:var(--muted);font-size:12px}.token-row>b{font-size:13px}.wallet-bottom{background:#f1f8ff;padding:12px;font-size:13px;border-radius:10px}.showcase-art img{max-height:290px;width:100%;margin-bottom:20px}.showcase-art h3{margin-bottom:14px}.section-tint{background:var(--primary-50)}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.journey-card{border:1px solid var(--border);background:#fff;padding:27px;border-radius:17px;display:flex;flex-direction:column;min-width:0;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.journey-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}.journey-card p{flex:1;font-size:14px}.journey-card a{font-size:14px;font-weight:550}.journey-no{font-size:24px;color:var(--primary);margin-bottom:24px}.journey-no span{float:right}.journey-card h3{font-size:21px}.journey-grid.four{grid-template-columns:repeat(4,1fr)}.split{display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:60px}.split.reverse{grid-template-columns:7fr 5fr}.split.reverse .split-art{order:-1}.split-text{max-width:530px}.split-art{position:relative;min-width:0;background:linear-gradient(135deg,#f8fbff,#eaf4ff);border-radius:24px;padding:35px;min-height:330px;display:grid;place-items:center}.split-art img{width:100%;max-height:380px}.illustration-label{font-size:12px;color:var(--muted);margin-top:15px}.mini-panel{border:1px solid var(--border);border-radius:14px;padding:16px;display:flex;gap:16px;margin:24px 0}.icon-badge{background:var(--primary-100);color:var(--primary-700);width:48px;height:48px;border-radius:13px;display:grid;place-items:center;flex:0 0 48px;font-size:21px}.story{background:#fbfdff}.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:45px}.story-grid article{border-top:1px solid var(--primary-200);padding-top:22px}.story-number{font-size:44px;font-weight:400;color:var(--primary-200);margin-right:15px}.story-grid h3{margin-top:18px}.chapter-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px}.chapter-head{position:sticky;top:110px;align-self:start}.chapter-list a{display:grid;grid-template-columns:55px 1fr 30px;gap:10px;align-items:center;padding:18px 6px;border-bottom:1px solid var(--border);color:var(--ink);font-size:18px;transition:padding var(--transition-fast)}.chapter-list a:hover{padding-left:13px;color:var(--primary)}.chapter-list a span:first-child{font-size:13px;color:var(--primary)}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:35px}.scenario-grid a{display:flex;align-items:center;gap:15px;min-height:110px;border:1px solid var(--border);border-radius:16px;background:white;padding:20px;color:var(--ink)}.scenario-grid a strong{flex:1;font-weight:550}.scenario-grid a:hover{border-color:var(--primary-200);transform:translateY(-2px)}.risk-section{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.risk-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.risk-list>div{padding:20px;border:1px solid var(--border);border-radius:14px}.risk-list span{font-size:24px}.risk-list strong,.risk-list small{display:block}.risk-list small{color:var(--muted);font-size:12px}.faq-list{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-question{width:100%;background:transparent;border:0;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;padding:21px 4px;cursor:pointer;color:var(--ink);font-weight:550}.faq-plus{font-size:24px;color:var(--primary);transition:transform var(--transition-fast)}.faq-question[aria-expanded=true] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 42px 18px 4px}.more-link{margin-top:25px}.breadcrumb{padding-top:25px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--muted)}.page-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;padding-block:70px}.page-hero .lead{max-width:720px}.guide-hero-image{background:var(--primary-50);border-radius:24px;padding:24px;display:grid;place-items:center;min-height:270px}.guide-hero-image img{width:100%;max-height:330px}.page-hero-alt .guide-hero-image{background:#f8fafc}.guide-main{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,1fr);gap:70px}.guide-content>p{max-width:790px}.guide-step{border-top:1px solid var(--border);padding:26px 0;display:grid;grid-template-columns:70px 1fr;gap:10px}.guide-step h3{margin-bottom:9px}.step-index{font-size:33px;color:var(--primary-200)}.guide-aside{min-width:0}.checklist{padding:28px;background:var(--primary-50);border-radius:20px}.checklist h2{font-size:26px}.check-item{display:flex;align-items:center;gap:13px;border-top:1px solid var(--border);padding:15px 0}.check-item span{color:var(--success);font-weight:600}.check-item p{margin:0}.aside-image{width:100%;max-height:260px;padding:22px}.notice{background:#fff9ef;border-left:3px solid #e7ac53;padding:19px 22px;border-radius:8px;margin-top:30px}.notice p{margin:5px 0 0}.guide-highlight{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.highlight-panel{padding:34px;background:white;border-radius:20px;border:1px solid var(--border)}.highlight-panel .icon-badge{margin-bottom:20px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.related-grid>div{border-bottom:1px solid var(--border);padding:18px 4px}.faq-page{display:grid;grid-template-columns:4fr 8fr;gap:65px}.faq-side img{max-height:300px;width:100%;margin-top:30px}.quote-section blockquote{font-size:clamp(25px,3.8vw,42px);font-weight:500;line-height:1.5;border-left:4px solid var(--primary);padding-left:28px;margin:0;max-width:950px}
@media(max-width:1120px){.desktop-nav,.desktop-lang{display:none}.nav-inner{justify-content:space-between}.menu-toggle{display:flex;background:transparent;border:0;flex-direction:column;justify-content:center;gap:6px;width:48px;height:48px;cursor:pointer}.menu-toggle span{width:24px;height:2px;background:var(--ink)}.drawer-overlay{display:block;position:fixed;inset:0;background:#101d32a3;z-index:60}.drawer-overlay[hidden]{display:none}.mobile-drawer{display:flex;flex-direction:column;position:fixed;right:0;top:0;height:100dvh;width:82vw;max-width:360px;background:white;z-index:61;transform:translateX(105%);transition:transform var(--transition-base);padding:28px;box-shadow:var(--shadow-lg);visibility:hidden}.mobile-drawer.open{visibility:visible;transform:translateX(0)}.drawer-top{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:20px}.drawer-close{font-size:32px;background:none;border:0;cursor:pointer}.mobile-drawer nav{display:flex;flex-direction:column;margin-top:30px;overflow-y:auto}.mobile-drawer nav a{padding:14px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;color:var(--ink)}.drawer-language{margin-top:auto;border-top:1px solid var(--border);padding-top:22px}.menu-open{overflow:hidden}.menu-open .download-jump{visibility:hidden}}
@media(max-width:1024px){.hero{grid-template-columns:1fr 1fr;min-height:0}.hero-stage{height:460px}.float-card{font-size:12px}.split,.split.reverse{gap:32px}.chapter-layout{gap:40px}.guide-main{gap:35px}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.navbar{height:70px}.hero,.showcase-layout,.split,.split.reverse,.chapter-layout,.risk-section,.page-hero,.guide-main,.guide-highlight,.faq-page{grid-template-columns:1fr;gap:28px}.hero{padding-block:45px 55px}.hero h1{font-size:clamp(34px,9vw,42px)}.hero-stage{height:auto;min-height:380px;flex-wrap:wrap;padding:10px 0 85px}.hero-device{max-height:390px;max-width:80%}.float-card{position:relative;inset:auto;align-self:center;margin:6px;max-width:46%}.float-top,.float-bottom{top:auto;right:auto;bottom:auto;left:auto}.principle-grid{grid-template-columns:repeat(2,1fr)}.principle-grid>div:nth-child(2){border-right:0}.principle-grid>div{padding:15px 9px}.principle-grid span{font-size:12px}.journey-grid,.journey-grid.four,.scenario-grid,.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split.reverse .split-art{order:0}.split-art{min-height:210px;padding:20px}.chapter-head{position:static}.section{padding-block:clamp(50px,9vw,76px)}.wallet-ui{padding:22px}.wallet-actions span{padding:8px 13px}.guide-hero-image{min-height:200px}.page-hero{padding-block:45px}.guide-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.faq-side img{max-height:210px}.footer-grid{gap:25px}.download-jump{width:70px;height:70px;right:12px;top:43%;font-size:12px}.download-jump .arrow{font-size:24px}}
@media(max-width:480px){.container{width:calc(100% - 32px)}.journey-grid,.journey-grid.four,.scenario-grid,.story-grid,.risk-list,.related-grid,.guide-aside{grid-template-columns:1fr}.hero-stage{min-height:0;padding-bottom:20px}.hero-device{max-height:335px}.float-card{position:static;max-width:100%;width:100%;margin:3px 0;box-shadow:var(--shadow-sm)}.hero-tags{gap:6px}.hero-tags span{font-size:12px}.principle-grid{grid-template-columns:1fr 1fr}.principle-grid>div{gap:8px}.principle-grid span{font-size:11px}.wallet-head{font-size:12px}.wallet-actions{gap:7px}.wallet-actions span{padding:7px 10px}.token-row{gap:9px}.token-row>b{font-size:12px}.chapter-list a{grid-template-columns:35px 1fr 20px;font-size:16px}.journey-card{padding:23px}.download-btn{width:72%;min-width:0;min-height:64px;font-size:18px}.download-jump{width:66px;height:66px;right:12px;top:58%;font-size:11px}.risk-list{gap:9px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.page-hero .lead{font-size:16px}.guide-step{grid-template-columns:45px 1fr}.step-index{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media(min-width:769px) and (prefers-reduced-motion:no-preference){.js-motion .reveal{transition:opacity .55s ease,transform .55s ease}.js-motion .reveal.before-enter{opacity:.16;transform:translateY(16px)}}