:root{--primary:rgb(70,139,223);--primary-50:#f1f7fe;--primary-100:#e6f0fd;--primary-200:#c9e0fa;--primary-500:#468bdf;--primary-600:#3278ca;--primary-700:#265fa6;--gradient:linear-gradient(128deg,#f5faff,#e9f3ff);--text:#182d46;--muted:#64778c;--border:#dce7f1;--bg:#fff;--surface:#f7f9fc;--green:#258369;--amber:#a66b26;--radius-sm:10px;--radius-md:16px;--radius-lg:20px;--radius-xl:24px;--radius-pill:999px;--shadow-sm:0 5px 22px #163d6610;--shadow-md:0 18px 48px #214c7b16;--shadow-lg:0 28px 70px #214c7b1e;--container:1200px;--transition-fast:180ms 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;background:var(--bg);color:var(--text);font-family:var(--font);font-weight:400;line-height:1.8;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;object-fit:contain}button{font:inherit;cursor:pointer}p{color:var(--muted);margin:0 0 20px}h1,h2,h3{line-height:1.27;font-weight:560;letter-spacing:-.035em;margin:0 0 20px;overflow-wrap:anywhere}h1{font-size:clamp(35px,4.5vw,62px)}h2{font-size:clamp(27px,3.25vw,41px)}h3{font-size:clamp(19px,2vw,23px)}.container{max-width:var(--container);margin:auto;padding-inline:clamp(20px,3vw,32px)}.section{padding-block:clamp(56px,7vw,100px)}.section-muted{background:var(--surface)}.eyebrow{display:inline-block;margin-bottom:19px;font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--primary-700)}.section-heading{margin-bottom:32px;max-width:780px}.section-heading p{font-size:16px}.text-link{display:inline-block;color:var(--primary-700);font-weight:550;transition:transform var(--transition-fast)}.text-link:hover{transform:translateX(4px)}:focus-visible{outline:3px solid #f0b54f;outline-offset:4px}.skip-link{position:absolute;top:-120px;left:10px;z-index:500;background:white;padding:12px}.skip-link:focus{top:10px}.navbar{position:sticky;top:0;z-index:100;background:#ffffffdf;backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:box-shadow var(--transition-base)}.navbar.scrolled{border-color:var(--border);box-shadow:var(--shadow-sm)}.navbar-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:22px;font-weight:650;letter-spacing:-.05em}.brand img{width:40px;height:40px;object-fit:contain}.brand-dot{color:var(--primary)}.desktop-nav{display:flex;gap:clamp(11px,1.5vw,24px);align-items:center}.desktop-nav a{font-size:13px;white-space:nowrap;font-weight:500;color:#41556c;transition:color var(--transition-fast)}.desktop-nav a:hover,.desktop-nav a.active{color:var(--primary-700)}.languages{display:flex;gap:8px;align-items:center;white-space:nowrap;font-size:13px;color:#9aaabd}.languages a{color:var(--muted)}.languages a.active{color:var(--primary-700);font-weight:650}.menu-toggle{display:none;border:0;background:none;width:48px;height:48px;padding:12px;flex-direction:column;justify-content:space-around}.menu-toggle span{display:block;height:2px;background:var(--text);border-radius:2px}.drawer-overlay{position:fixed;inset:0;background:#0e2c4a66;z-index:180}.drawer-overlay[hidden]{display:none}.mobile-drawer{display:none}.download-jump{position:fixed;right:14px;top:40%;width:78px;height:78px;background:var(--primary);color:white;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-direction:column;line-height:1.2;gap:3px;font-size:14px;font-weight:600;z-index:120;box-shadow:0 8px 23px #266ab642;transition:transform var(--transition-fast)}.download-jump:hover{transform:translateX(-4px)}.jump-arrow{font-size:29px;line-height:1}.hero{padding-top:clamp(65px,9vw,115px);background:linear-gradient(125deg,#fff 20%,#f5f9ff 100%)}.hero-grid{display:grid;grid-template-columns:5fr 7fr;align-items:center;gap:4%}.hero-copy p{font-size:clamp(16px,1.5vw,18px);max-width:530px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}.hero-tags span{padding:7px 12px;border:1px solid var(--border);background:#fff;border-radius:var(--radius-pill);font-size:13px;color:#53677e}.hero-stage{position:relative;min-height:510px;display:flex;align-items:center;justify-content:center}.hero-orb{position:absolute;width:88%;aspect-ratio:1;background:radial-gradient(circle,#d9eaff 0%,#f4f9ff55 55%,transparent 74%);filter:blur(8px)}.hero-app{position:relative;z-index:1;max-height:540px;width:78%;filter:drop-shadow(0 18px 32px #547a9c26)}.hero-float{position:absolute;z-index:2;background:#ffffffed;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);padding:11px 16px;font-size:13px}.float-top{right:0;top:20%}.float-bottom{left:0;bottom:15%}.principles{border-block:1px solid var(--border)}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr)}.principle-grid div{padding:24px 16px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:7px}.principle-grid div:last-child{border:0}.principle-grid span{color:var(--primary);font-size:12px}.principle-grid strong{font-weight:500;font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,82px);align-items:center}.split-wide{grid-template-columns:1.14fr .86fr}.split-reverse> :first-child{order:2}.split-reverse> :last-child{order:1}.feature-visual{background:var(--primary-50);padding:clamp(20px,3vw,35px);border-radius:var(--radius-xl);border:1px solid var(--border);text-align:center}.feature-visual img{width:100%;max-height:410px;object-fit:contain}.feature-visual p{font-size:14px;margin:10px 0 0}.split-copy{max-width:630px}.check-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:12px}.check-list li{position:relative;padding-left:27px;color:#43576c}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--green)}.wallet-panel{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-md);border-radius:var(--radius-xl);padding:clamp(20px,3vw,31px);max-width:585px}.wallet-panel-top{display:flex;align-items:center;gap:11px;font-weight:550;font-size:14px}.wallet-logo{width:30px;height:30px;background:var(--primary-100);color:var(--primary);display:grid;place-items:center;border-radius:9px}.demo-tag{margin-left:auto;color:var(--primary-700);font-size:11px;background:var(--primary-50);padding:4px 8px;border-radius:8px}.wallet-label{font-size:13px;margin:20px 0 0}.balance{font-size:clamp(31px,4vw,48px);line-height:1.3;letter-spacing:-.04em}.balance span{color:#91a5b7}.balance-caption{font-size:12px;color:#8297aa;margin-bottom:17px}.token-row{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--border)}.token-icon{width:38px;height:38px;border-radius:12px;background:#eaf3ff;display:grid;place-items:center;color:var(--primary-700)}.token-row strong{display:block;font-size:14px}.token-row small{display:block;font-size:12px;color:var(--muted)}.token-row b{font-weight:550;font-size:14px}.wallet-bottom{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--green);border-top:1px solid var(--border);padding-top:16px}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.journey-step{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:25px;min-width:0;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.journey-step:hover,.scenario:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}.step-number{color:var(--primary-700);font-size:13px;letter-spacing:.05em}.step-icon,.icon-badge{width:47px;height:47px;background:var(--primary-50);display:grid;place-items:center;border-radius:12px;font-size:22px;margin:14px 0}.journey-step h3{font-size:19px}.journey-step p{font-size:14px}.architecture{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.architecture>div{border-top:2px solid var(--primary-200);padding:26px 4px}.architecture span{font-size:37px;color:var(--primary);font-weight:450}.architecture h3{margin:12px 0}.chapter-layout{display:grid;grid-template-columns:4fr 8fr;gap:9%}.chapter-list a{display:grid;grid-template-columns:42px minmax(90px,1.2fr) minmax(0,2fr) 30px;align-items:center;gap:15px;border-bottom:1px solid var(--border);padding:17px 0;transition:padding var(--transition-fast)}.chapter-list a:hover{padding-left:6px}.chapter-list a>span{color:var(--primary)}.chapter-list strong{font-weight:550}.chapter-list small{font-size:13px;color:var(--muted)}.chapter-list b{color:var(--primary);font-weight:500}.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.scenario{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;transition:transform var(--transition-fast)}.scenario p{font-size:14px}.risk-panel{border:1px solid var(--primary-200);background:var(--primary-50);padding:clamp(25px,4vw,42px);border-radius:var(--radius-lg)}.risk-panel h3{margin-bottom:22px}.faq-preview{max-width:920px}.faq-list{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-item h3{margin:0}.faq-question{width:100%;border:0;background:transparent;padding:22px 2px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--text);font-size:16px;font-weight:550}.faq-question span{font-size:23px;color:var(--primary)}.faq-answer p{padding:0 30px 22px 2px;font-size:15px;margin:0}.download-cta{background:var(--gradient);text-align:center}.download-inner{display:flex;flex-direction:column;align-items:center}.download-inner h2{max-width:780px}.download-inner p{max-width:640px}.download-btn{display:flex;align-items:center;justify-content:center;min-width:235px;min-height:76px;background:var(--primary);color:#fff;padding:18px 28px;border-radius:12px;font-size:19px;font-weight:600;box-shadow:var(--shadow-md);margin:20px auto 12px;scroll-margin-top:140px;transition:background var(--transition-fast),transform var(--transition-fast)}.download-btn:hover{background:var(--primary-700);transform:translateY(-3px)}.download-inner small{color:var(--muted)}.site-footer{border-top:1px solid var(--border);padding:54px 0 20px;background:#fff}.footer-main{display:grid;grid-template-columns:1fr 1.4fr;gap:28px}.footer-main p{margin-top:16px;max-width:350px;font-size:13px}.footer-main nav{display:flex;flex-wrap:wrap;align-content:start;gap:17px 26px;font-size:14px;color:var(--muted)}.footer-main nav a:hover{color:var(--primary)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--border);padding-top:20px;margin-top:30px;color:var(--muted);font-size:12px}.page-hero{background:linear-gradient(130deg,#fff,#f3f8ff)}.page-hero>.container>p{max-width:850px}.page-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:6%;align-items:center}.page-hero-grid p{max-width:650px;font-size:17px}.page-visual{max-width:530px;padding:20px;border:1px solid var(--border);background:#fff;border-radius:var(--radius-xl)}.page-visual img{width:100%;max-height:380px}.breadcrumbs{display:flex;gap:11px;color:var(--muted);font-size:13px;margin-bottom:26px}.breadcrumbs a:hover{color:var(--primary)}.notice{border-left:3px solid var(--green);padding:17px 20px;background:#f0faf7;border-radius:0 10px 10px 0;color:#416456;font-size:14px}.notice.warning{border-color:#e7a956;background:#fff8ec;color:#866134}.related-links{border-top:1px solid var(--border)}.related-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--border)}.related-links a:hover{color:var(--primary)}.faq-page-grid{display:grid;grid-template-columns:4fr 8fr;gap:6%}.faq-page-grid .faq-list{min-width:0}.related-box{display:grid;gap:11px;margin-top:30px}.related-box a{color:var(--primary-700);font-size:14px}.reveal{transition:opacity .55s ease,transform .55s ease}.js-animate .reveal:not(.is-visible){opacity:.25;transform:translateY(15px)}
@media(max-width:1100px){.desktop-nav,.desktop-languages{display:none}.menu-toggle{display:flex}.mobile-drawer{display:flex;position:fixed;z-index:200;right:0;top:0;height:100dvh;width:83%;max-width:360px;background:white;transform:translateX(105%);transition:transform .25s ease;flex-direction:column;box-shadow:var(--shadow-lg);overflow-y:auto;visibility:hidden}.mobile-drawer.open{transform:translateX(0);visibility:visible}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--border)}.drawer-close{width:44px;height:44px;border:0;background:var(--surface);border-radius:9px;font-size:27px}.drawer-links{padding:16px 25px;display:grid}.drawer-links a{padding:12px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.drawer-links span{color:var(--primary)}.drawer-languages{margin-top:auto;padding:24px;border-top:1px solid var(--border)}.hero-grid{grid-template-columns:1fr 1fr}.hero-stage{min-height:410px}}
@media(max-width:768px){.navbar-inner{height:72px}.section{padding-block:clamp(48px,9vw,70px)}.hero-grid,.split,.split-wide,.chapter-layout,.page-hero-grid,.faq-page-grid{grid-template-columns:1fr;gap:30px}.split-reverse> :first-child,.split-reverse> :last-child{order:initial}.hero-stage{min-height:320px}.hero-app{max-height:360px;width:70%}.hero-float{position:relative;inset:auto;font-size:12px;padding:8px 10px}.hero-stage{display:grid;grid-template-columns:1fr 1fr;justify-items:center}.hero-stage .hero-orb{grid-row:1;grid-column:1/3}.hero-app{grid-row:1;grid-column:1/3;z-index:1}.hero-float{grid-row:2;z-index:2}.principle-grid{grid-template-columns:repeat(2,1fr)}.principle-grid div:nth-child(2){border:0}.principle-grid div:nth-child(-n+2){border-bottom:1px solid var(--border)}.journey-grid,.architecture,.scenario-grid{grid-template-columns:1fr 1fr}.chapter-list a{grid-template-columns:35px 1fr 28px}.chapter-list small{display:none}.footer-main{grid-template-columns:1fr}.download-jump{height:68px;width:68px;right:12px;top:45%;font-size:12px}.jump-arrow{font-size:25px}.page-visual{width:100%;max-width:none}.footer-bottom{flex-direction:column}.wallet-panel{width:100%}}
@media(max-width:480px){.container{padding-inline:20px}.hero-grid{gap:20px}.hero h1{font-size:clamp(35px,9vw,40px)}.hero-stage{min-height:245px}.hero-app{max-height:280px}.hero-float{font-size:10px}.journey-grid,.architecture,.scenario-grid{grid-template-columns:1fr}.principle-grid strong{font-size:12px}.principle-grid div{padding:15px 8px}.journey-step{padding:22px}.download-btn{min-height:62px;width:70%;min-width:0;max-width:280px}.wallet-panel{padding:17px}.token-row{gap:8px}.download-jump{top:52%;right:8px}.chapter-list a{gap:8px}.brand{font-size:20px}.hero-copy{padding-right:10px}.faq-question{padding-right:35px}.site-footer{padding-bottom:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.js-animate .reveal:not(.is-visible){opacity:1;transform:none}}