:root{--primary:rgb(70,139,223);--primary-50:#f2f7fe;--primary-100:#e7f0fc;--primary-200:#cbdff8;--primary-500:#468bdf;--primary-600:#3278d2;--primary-700:#205faa;--gradient:linear-gradient(135deg,#f5f9ff 0%,#eaf3ff 100%);--text:#23354d;--muted:#687c92;--border:#e1eaf4;--bg:#fff;--soft:#f7f9fc;--shadow-sm:0 4px 15px #1b4b8710;--shadow-md:0 13px 35px #264e7c17;--shadow-lg:0 20px 65px #264e7c1b;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:28px;--radius-pill:99px;--content-width:1200px;--transition-fast:180ms ease;--transition-base:240ms 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-weight:400;color:var(--text);background:var(--bg);line-height:1.8;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--primary-700)}a:focus-visible,button:focus-visible{outline:3px solid var(--primary);outline-offset:4px}img{display:block;max-width:100%;height:auto}button{font:inherit;cursor:pointer}.container{width:min(var(--content-width),calc(100% - 48px));margin-inline:auto}.section{padding-block:clamp(56px,7vw,104px)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.4vw,62px);line-height:1.18;font-weight:600;letter-spacing:-.038em}h2{font-size:clamp(28px,3.3vw,42px);line-height:1.32;font-weight:550;letter-spacing:-.027em}h3{font-size:clamp(18px,1.5vw,23px);font-weight:550;line-height:1.35}p{font-size:16px;color:var(--muted);line-height:1.85}.eyebrow{display:inline-block;margin-bottom:19px;color:var(--primary-700);font-size:12px;font-weight:600;letter-spacing:.14em}.text-link{display:inline-block;margin-top:14px;color:var(--primary-700);font-weight:550}.text-link:hover{transform:translateX(3px)}.centered{text-align:center}.section-head{max-width:780px;margin-bottom:34px}.section-tint{background:var(--soft)}.skip-link{position:absolute;top:-90px;left:16px;background:#fff;padding:10px;z-index:400}.skip-link:focus{top:12px}
.navbar{position:sticky;top:0;z-index:100;background:#ffffffdb;backdrop-filter:blur(15px);border-bottom:1px solid transparent;transition:box-shadow var(--transition-base)}.navbar.scrolled{box-shadow:var(--shadow-sm);border-color:var(--border)}.nav-row{height:82px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;gap:10px;align-items:center;white-space:nowrap;font-size:21px;font-weight:600;letter-spacing:-.025em}.brand img{object-fit:contain}.desktop-nav{display:flex;gap:clamp(9px,1.45vw,22px);align-items:center;margin-left:auto}.desktop-nav a{font-size:13px;font-weight:500;color:#4b6179;white-space:nowrap}.desktop-nav a[aria-current],.desktop-nav a:hover{color:var(--primary-700)}.language{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px}.language a{color:var(--muted)}.language a.active{color:var(--primary-700);font-weight:600}.menu-toggle{display:none;border:0;background:none;width:46px;height:46px;padding:11px}.menu-toggle span{height:2px;background:var(--text);display:block;margin:6px 0;border-radius:3px}.menu-overlay{position:fixed;inset:0;background:#132a446c;opacity:0;visibility:hidden;z-index:150;transition:opacity var(--transition-base)}.side-menu{position:fixed;right:0;top:0;height:100vh;height:100dvh;width:min(84vw,360px);background:#fff;z-index:160;transform:translateX(102%);visibility:hidden;transition:transform var(--transition-base);display:flex;flex-direction:column;padding:25px 24px}.side-menu nav{display:grid;gap:5px;margin-top:58px}.side-menu nav a{display:flex;justify-content:space-between;align-items:center;padding:11px 3px;border-bottom:1px solid var(--border);font-size:17px}.side-menu nav a span{color:var(--primary)}.menu-close{position:absolute;top:15px;right:20px;border:0;background:none;font-size:34px;color:var(--text)}.menu-language{margin-top:auto;padding:20px 4px;font-size:16px}.menu-open .menu-overlay{opacity:1;visibility:visible}.menu-open .side-menu{transform:translateX(0);visibility:visible}.menu-open .download-jump{opacity:0;pointer-events:none}
.download-jump{position:fixed;right:14px;top:39%;width:78px;height:78px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--primary);color:white!important;z-index:90;box-shadow:0 13px 27px #468bdf49;border-radius:10px;font-size:13px;font-weight:600;line-height:1.4;transition:transform var(--transition-fast)}.download-jump .arrow{font-size:26px}.download-jump:hover{transform:translateX(-4px);background:var(--primary-600)}.download-btn{display:flex;justify-content:center;align-items:center;min-width:245px;max-width:max-content;min-height:72px;margin:28px auto 0;padding:20px 38px;border-radius:13px;background:var(--primary);color:white!important;font-size:20px;font-weight:550;box-shadow:0 15px 25px #468bdf26;transition:transform var(--transition-fast),background var(--transition-fast)}.download-btn:hover{transform:translateY(-3px);background:var(--primary-600)}.download-cta{background:var(--gradient);border-block:1px solid var(--border)}.download-cta h2{max-width:790px;margin:0 auto 20px}.download-cta p{max-width:620px;margin:0 auto}
.hero{padding-top:clamp(60px,6.4vw,100px);padding-bottom:clamp(60px,6vw,85px)}.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:5%;align-items:center}.hero-copy>p{max-width:505px;font-size:17px}.tag-row{display:flex;flex-wrap:wrap;gap:11px;margin-top:25px}.tag-row span{display:inline-block;padding:8px 11px;background:var(--primary-50);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:#45617e}.hero-visual{position:relative;min-height:510px;display:grid;place-items:center}.orb{position:absolute;width:80%;height:75%;border-radius:50%;background:#cfe6ff9e;filter:blur(45px);z-index:-1}.hero-app{max-width:87%;max-height:500px;object-fit:contain;filter:drop-shadow(0 24px 25px #43699416)}.float-status{position:absolute;background:white;padding:12px 18px;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-md);font-size:13px;color:#4a6c88}.status-top{top:17%;left:0}.status-bottom{right:0;bottom:18%}.security-strip{border-block:1px solid var(--border)}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.strip-grid>div{display:flex;gap:14px;padding:28px 22px;border-right:1px solid var(--border);font-size:14px;align-items:center}.strip-grid>div:first-child{padding-left:0}.strip-grid>div:last-child{border:0}.strip-grid b{color:var(--primary);font-size:20px;font-weight:500}.showcase-grid{display:grid;grid-template-columns:6.7fr 5.3fr;gap:8%;align-items:center}.wallet-panel{padding:32px;border:1px solid var(--border);border-radius:24px;background:#fff;box-shadow:var(--shadow-lg);min-width:0}.wallet-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:24px;font-size:15px;font-weight:550}.status-ok{color:#22856a;font-size:12px}.wallet-panel small{font-size:12px;color:var(--muted)}.balance{font-size:clamp(34px,4vw,54px);font-weight:550;letter-spacing:-.035em;margin:8px 0 26px}.token-row{display:flex;align-items:center;gap:15px;padding:15px 0;border-top:1px solid var(--border);font-size:14px}.token-icon{display:grid;place-items:center;width:37px;height:37px;flex-shrink:0;background:var(--primary-50);border-radius:11px;color:var(--primary-700);font-size:19px}.token-row>div{display:grid;min-width:0;line-height:1.5}.token-row strong{margin-left:auto;font-size:14px;font-weight:550;white-space:nowrap}.wallet-foot{display:flex;flex-wrap:wrap;gap:15px;margin-top:25px;color:var(--primary-700);font-size:12px}.section-copy>p,.split-copy>p{max-width:540px}.section-copy img{max-height:190px;max-width:80%;object-fit:contain;margin-top:20px}.content-image{width:100%;object-fit:contain}.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.journey-card{padding:26px;border:1px solid var(--border);border-radius:var(--radius-md);background:white;min-width:0;display:flex;flex-direction:column}.journey-card:hover,.scenario-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast)}.step-num{font-size:25px;color:var(--primary);font-weight:500;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.step-num span{font-size:23px}.journey-card h3{margin-bottom:12px}.journey-card p{font-size:14px;flex:1}.journey-card a{font-size:13px;color:var(--primary-700);font-weight:550}.split{display:grid;grid-template-columns:5fr 7fr;gap:9%;align-items:center}.split.reverse{grid-template-columns:7fr 5fr}.split.reverse .split-copy{order:2}.split.reverse .visual-frame{order:1}.visual-frame{background:var(--primary-50);border:1px solid var(--border);border-radius:23px;padding:clamp(18px,3vw,45px);min-height:290px;display:grid;place-items:center;position:relative}.visual-frame img{max-height:370px;width:100%;object-fit:contain}.mini-state{margin-top:12px;background:#fff;border:1px solid var(--border);border-radius:10px;font-size:12px;padding:9px 15px;color:var(--primary-700)}.architecture{background:linear-gradient(180deg,#f9fbff,#fff)}.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.arch-grid>div,.arch-grid>article{padding:26px 0;border-top:1px solid var(--primary-200)}.arch-num{font-size:58px;color:#b8d6f9;display:block;line-height:1.4;font-weight:400}.chapters-layout{display:grid;grid-template-columns:4fr 8fr;gap:8%}.chapter-list a{border-bottom:1px solid var(--border);padding:18px 4px;display:grid;grid-template-columns:42px 1fr 20px;gap:18px;align-items:center;min-width:0}.chapter-list a:first-child{border-top:1px solid var(--border)}.chapter-list a>span{color:var(--primary);font-size:22px}.chapter-list strong{display:block;font-size:16px;font-weight:550}.chapter-list small{display:block;color:var(--muted);font-size:12px;line-height:1.7}.chapter-list b{color:var(--primary);font-weight:400}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.scenario-card{padding:24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);min-width:0}.scenario-card .content-image{height:100px;margin-bottom:15px}.scenario-symbol{display:grid;place-items:center;height:100px;width:100%;font-size:35px;margin-bottom:15px}.scenario-card h3{font-size:18px}.scenario-card p{font-size:13px}.risk-panel{padding:30px;background:var(--primary-50);border:1px solid var(--primary-200);border-radius:var(--radius-lg)}.risk-panel>div{padding:15px 0;border-top:1px solid var(--border);font-size:15px}.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:8%}.faq-item{border-bottom:1px solid var(--border)}.faq-item h3{margin:0}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:none;padding:21px 0;color:var(--text);font-weight:500;font-size:16px;gap:25px}.faq-question span{color:var(--primary);font-size:24px}.faq-answer p{padding:0 0 22px;margin:0;font-size:15px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-block:60px}.footer-brand{margin-bottom:15px}.site-footer{background:#f7f9fc}.site-footer small{color:var(--muted)}.site-footer nav{display:grid;grid-template-columns:repeat(3,1fr);align-content:start;gap:14px;font-size:13px}.breadcrumb{padding-top:27px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--primary-700)}.guide-hero{padding-top:45px}.guide-hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:8%;align-items:center}.guide-hero-grid p{font-size:18px}.guide-columns{display:grid;grid-template-columns:8fr 4fr;gap:8%;align-items:start}.guide-steps{margin-top:37px}.guide-step{display:grid;grid-template-columns:55px 1fr;gap:20px;border-top:1px solid var(--border);padding:25px 0}.step-index{font-size:28px;color:var(--primary);line-height:1.35}.guide-step p{max-width:700px}.checklist{border:1px solid var(--border);padding:24px;border-radius:var(--radius-md);background:var(--primary-50);position:sticky;top:105px}.checklist h2{font-size:23px}.checklist ul{list-style:none;padding:0;margin:0}.checklist li{padding:13px 0;border-bottom:1px solid var(--border);font-size:14px}.notice{margin-top:20px;font-size:13px;color:#926324;background:#fff8ed;padding:15px;border-radius:9px}.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-links a{display:flex;justify-content:space-between;gap:12px;padding:18px 22px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px}.related-links a:hover{border-color:var(--primary-200)}.faq-wide{max-width:900px}
@media(max-width:1150px){.desktop-nav{gap:10px}.desktop-nav a{font-size:12px}.nav-row{gap:13px}.brand{font-size:18px}}@media(max-width:1024px){.desktop-nav,.desktop-language{display:none}.menu-toggle{display:block;margin-left:auto}.hero-grid{grid-template-columns:1fr 1fr}.hero-visual{min-height:380px}.strip-grid{grid-template-columns:repeat(2,1fr)}.strip-grid>div:nth-child(2){border-right:0}.journey-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:repeat(2,1fr)}.chapters-layout,.faq-layout{grid-template-columns:1fr 1.5fr}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.nav-row{height:68px}.section{padding-block:clamp(44px,10vw,68px)}.hero-grid,.showcase-grid,.split,.split.reverse,.guide-hero-grid,.guide-columns,.chapters-layout,.faq-layout{grid-template-columns:minmax(0,1fr);gap:30px}.split.reverse .split-copy,.split.reverse .visual-frame{order:initial}.hero-visual{min-height:auto;padding-top:25px}.hero-app{max-width:85%;max-height:370px}.float-status{position:static;display:inline-flex;justify-self:center;margin:6px 0}.hero-visual{display:flex;flex-wrap:wrap;justify-content:center}.orb{top:10%;height:60%}.section-copy img{max-width:75%}.arch-grid{grid-template-columns:1fr;gap:5px}.journey-grid{gap:16px}.checklist{position:static}.guide-hero-grid .visual-frame{min-height:240px}.download-jump{width:68px;height:68px;right:12px;top:43%;font-size:11px}.download-jump .arrow{font-size:24px}.download-btn{min-width:70%;min-height:62px;font-size:18px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid nav{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.container{width:calc(100% - 32px)}.hero h1{font-size:clamp(34px,9vw,40px)}.hero-copy>p,.guide-hero-grid p{font-size:15px}.strip-grid{grid-template-columns:1fr 1fr}.strip-grid>div{padding:15px 10px;font-size:12px;gap:8px}.strip-grid b{font-size:16px}.journey-grid,.scenario-grid,.related-links{grid-template-columns:1fr}.journey-card{padding:22px}.wallet-panel{padding:19px}.token-row{gap:8px}.token-row strong{font-size:12px}.token-row>div{font-size:12px}.balance{font-size:33px}.wallet-foot{font-size:11px}.hero-visual .float-status{font-size:11px;padding:8px 11px}.visual-frame{min-height:230px}.chapter-list a{grid-template-columns:30px 1fr 14px;gap:9px}.chapter-list a>span{font-size:17px}.chapter-list small{font-size:11px}.download-jump{right:10px;top:46%;width:64px;height:64px}.faq-question{font-size:14px;padding-right:8px}.arch-num{font-size:44px}.guide-step{grid-template-columns:42px 1fr;gap:12px}.guide-step p{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1!important;transform:none!important}}
@media(prefers-reduced-motion:no-preference){.js-motion .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}.js-motion .reveal.visible{opacity:1;transform:none}}