@view-transition{navigation:auto}:root{color-scheme:light;--paper:#fff;--panel:#fff;--soft:#f4f5f9;--ink:#141f4a;--body:#2f3a60;--muted:#646f8b;--line:#e3e6ee;--accent:#2438b8;--on-accent:#fff;--warn:#9a4a14;--l-btc:#e0861d;--l-eth:#4f5fd6;--l-trx:#d3323e;--l-sol:#0f9b7a;--l-bnb:#bd9410;--l-l2:#2a93cf;--l-xl:#141f4a;--sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "Segoe UI", sans-serif;--serif:"Noto Serif SC", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, Georgia, serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--gutter:clamp(18px, 4.4vw, 64px);--max:1360px;--section:clamp(72px, 10vw, 148px);--ease:cubic-bezier(.2, .8, .2, 1)}:root[data-theme=dark]{color-scheme:dark;--paper:#0d1226;--panel:#131a33;--soft:#182040;--ink:#eff0ea;--body:#c9cfe0;--muted:#98a2bb;--line:#29314f;--accent:#a4b1ff;--on-accent:#0d1226;--warn:#eaa76f;--l-eth:#8493f5;--l-trx:#f0626c;--l-xl:#eff0ea;--l-bnb:#e0b92f}:lang(zh-Hant){--sans:-apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans CJK TC", "Microsoft JhengHei", "Segoe UI", sans-serif;--serif:"Noto Serif TC", "Songti TC", "Noto Serif CJK TC", "Source Han Serif TC", Georgia, serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}body{background:var(--paper);color:var(--body);font:17px/1.9 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;overflow-wrap:anywhere;margin:0}a{color:inherit}img,svg{max-width:100%;height:auto}h1,h2,h3{color:var(--ink);font-family:var(--serif);letter-spacing:-.005em;text-wrap:balance;margin:0;font-weight:700;line-height:1.28}p,li{text-wrap:pretty}h1,h2,h3,.row-title,.next-title{word-break:keep-all;overflow-wrap:break-word}button{font:inherit;color:inherit;cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}::selection{background:var(--accent);color:var(--on-accent)}.skip{background:var(--panel);z-index:30;padding:8px 14px;position:absolute;top:8px;left:-999px}.skip:focus{left:8px}.kicker{font:600 13px/1.5 var(--sans);letter-spacing:.04em;color:var(--muted);align-items:center;gap:9px;display:flex}.kicker-dot{border:3px solid var(--c,var(--accent));background:var(--paper);border-radius:50%;flex:none;width:11px;height:11px}.ico{box-shadow:0 0 0 1px var(--line);vertical-align:-6px;background:#fff;border-radius:50%;flex:none;padding:2px;display:inline-block}.glyph{vertical-align:middle;flex:none;display:inline-block}.glyph-badge{background:color-mix(in srgb, var(--c,var(--accent)) 12%, transparent);width:2.2em;height:2.2em;color:var(--c,var(--accent));border-radius:50%;flex:none;place-items:center;display:inline-grid}.glyph-badge .glyph{width:55%;height:55%}.chip{background:color-mix(in srgb, var(--c,var(--accent)) 10%, transparent);color:var(--c,var(--accent));font:600 12.5px/1.6 var(--sans);letter-spacing:.02em;white-space:nowrap;border-radius:99px;align-items:center;gap:6px;padding:3px 11px 3px 8px;display:inline-flex}.chip .glyph{width:15px;height:15px}.dots{isolation:isolate;position:relative}.dots:before{content:"";z-index:-1;background:radial-gradient(circle, var(--line) 1.3px, transparent 1.8px) 0 0 / 26px 26px;pointer-events:none;position:absolute;inset:0;-webkit-mask-image:radial-gradient(55% 110% at 88% 45%,#000,#0000 75%);mask-image:radial-gradient(55% 110% at 88% 45%,#000,#0000 75%)}.masthead{z-index:20;padding:13px max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter)));background:var(--paper);border-bottom:1px solid var(--line);view-transition-name:masthead;align-items:center;gap:10px 14px;display:flex;position:sticky;top:0}.brand{flex:none;align-items:center;gap:10px;text-decoration:none;display:flex}.brand-mark{width:36px;height:36px;transition:transform .5s var(--ease);flex:none;display:block}.brand:hover .brand-mark{transform:rotate(-30deg)}.brand-name{color:var(--ink);font:700 20px/1.1 var(--serif)}.brand-name small{font:500 8.5px/1.3 var(--mono);letter-spacing:.15em;color:var(--muted);margin-top:3px;display:block}.masthead-menu{display:contents}.masthead nav{flex:1;gap:2px 26px;min-width:0;margin-inline:22px;font-size:15px;line-height:1.6;display:flex}.masthead nav a{color:var(--body);flex:none;padding:5px 0;text-decoration:none;transition:color .2s;position:relative}.masthead nav a:after{content:"";background:var(--accent);transform-origin:0;height:2px;transition:transform .35s var(--ease);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.masthead nav a:hover,.masthead nav a[aria-current]{color:var(--ink)}.masthead nav a:hover:after,.masthead nav a[aria-current]:after{transform:scaleX(1)}.lang-switch{background:var(--soft);border-radius:99px;flex:none;padding:2px;font-size:13px;line-height:1.6;display:inline-flex}.lang-switch a{color:var(--muted);border-radius:99px;padding:3px 11px;text-decoration:none;transition:color .2s,background .2s}.lang-switch a:hover{color:var(--ink)}.lang-switch a[aria-current]{background:var(--panel);color:var(--ink);box-shadow:0 1px 3px #141f4a24}.nav-invite{background:var(--ink);color:var(--paper);white-space:nowrap;border-radius:99px;flex:none;padding:6px 15px;font-size:14px;font-weight:500;line-height:1.6;text-decoration:none;transition:background .25s}.nav-invite span{transition:transform .3s var(--ease);display:inline-block}.nav-invite:hover{background:var(--accent);color:var(--on-accent)}.nav-invite:hover span{transform:translate(2px,-2px)}.nav-toggle,.nav-scrim,.nav-search,.theme-toggle{display:none}.js .nav-search,.js .theme-toggle{width:38px;height:38px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;place-items:center;margin-right:-2px;padding:0;transition:background .2s;display:grid}.nav-search:hover,.theme-toggle:hover{background:var(--soft)}.nav-search svg,.search form>svg,.theme-toggle svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:21px;height:21px}.theme-toggle .moon,[data-theme=dark] .theme-toggle .sun{display:none}[data-theme=dark] .theme-toggle .moon{display:block}.theme-toggle span,.js .theme-menu,.nav-glyph{display:none}.search{background:var(--paper);width:min(660px,100% - 32px);max-height:min(78vh,640px);color:var(--body);border:0;border-radius:20px;margin:clamp(24px,10vh,96px) auto auto;padding:0;overflow:hidden;box-shadow:0 30px 80px -20px #141f4a80}.search::backdrop{background:#10162b73}.search form{border-bottom:1px solid var(--line);color:var(--muted);align-items:center;gap:10px;padding:14px 18px;display:flex}.search input{min-width:0;font:18px/1.5 var(--sans);color:var(--ink);background:0 0;border:0;outline:none;flex:1;padding:8px 4px}.search input::placeholder{color:var(--muted)}.search input::-webkit-search-cancel-button{display:none}.search-close{background:var(--soft);color:var(--muted);cursor:pointer;border:0;border-radius:8px;flex:none;padding:4px 10px;font-size:12.5px}.search-close:hover{color:var(--ink)}.search-results{max-height:calc(min(78vh,640px) - 70px);margin:0;padding:6px 18px 14px;list-style:none;overflow-y:auto}.search-results:empty{display:none}.search-results li+li{border-top:1px solid var(--line)}.search-results a{color:var(--body);padding:12px 0;text-decoration:none;display:block}.search-results a:hover b,.search-results a:focus-visible b{color:var(--accent)}.search-tag{color:var(--accent);margin-bottom:3px;font-size:12px;font-weight:600;display:block}.search-results b{font:600 16.5px/1.5 var(--serif);color:var(--ink);transition:color .2s;display:block}.search-results small{color:var(--muted);margin-top:3px;font-size:13.5px;line-height:1.6;display:block}.search-empty{color:var(--muted);margin:0;padding:20px 18px 24px;font-size:14.5px}.search-empty a{color:var(--ink)}.read-progress{background:var(--accent);transform-origin:0;height:2px;position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}@supports (animation-timeline:scroll()){.read-progress{animation:linear both grow scroll(root)}@keyframes grow{to{transform:scaleX(1)}}}.band{max-width:var(--max);padding:var(--section) var(--gutter) 0;margin:0 auto}.band-tight{padding-top:clamp(48px,6vw,80px)}.band-flush{padding-top:12px}.band-title{margin-bottom:14px;font-size:clamp(22px,2.2vw,28px)}.band-head{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:end;gap:20px 72px;margin-bottom:40px;display:grid}.band-head h2,.split-head h2,.tool-feature h2{margin-top:14px;font-size:clamp(30px,3.6vw,50px)}.band-head p,.split-head p,.tool-feature-copy p{color:var(--muted);margin:0}.kicker .glyph-badge{width:30px;height:30px;margin-right:2px}.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:32px clamp(32px,6vw,96px);display:grid}.split-head{position:sticky;top:104px}.split-head p{margin-top:18px}.more{color:var(--ink);transition:background-size .35s var(--ease);background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;gap:8px;margin-top:14px;font-weight:500;text-decoration:none;display:inline-flex}.more span{transition:transform .3s var(--ease)}.more:hover{background-position:100% 100%;background-size:0 1px}.more:hover span{transform:translate(4px)}.page-head{max-width:var(--max);padding:clamp(48px, 7vw, 104px) var(--gutter) clamp(28px, 4vw, 56px);margin:0 auto}.page-head h1{max-width:17em;margin:18px 0 30px;font-size:clamp(32px,4.8vw,66px);line-height:1.2}.head-glyph{right:var(--gutter);width:clamp(110px,12vw,170px);height:auto;color:var(--c,var(--accent));opacity:.08;stroke-width:1.4px;pointer-events:none;position:absolute;top:clamp(36px,5vw,72px)}.anim .head-glyph{animation:rise 1.2s .1s var(--ease) both}.page-intro{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:12px clamp(32px,6vw,96px);display:grid}.page-intro p{max-width:40em;margin:0}.page-intro a{color:var(--accent);text-underline-offset:3px}.page-lead{color:var(--ink);font:700 clamp(19px, 1.8vw, 24px)/1.5 var(--serif)}.button{background:var(--ink);color:var(--paper);border-radius:99px;align-items:center;gap:9px;padding:13px 24px;font-weight:500;line-height:1.4;text-decoration:none;transition:background .25s,color .25s,box-shadow .25s;display:inline-flex}.button span{transition:transform .3s var(--ease);display:inline-block}.button:hover{background:var(--accent);color:var(--on-accent)}.button:hover span{transform:translate(4px)}.button-line{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line);background:0 0}.button-line:hover{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);background:0 0}.button-line:hover span{transform:translate(3px,-3px)}.rows{border-top:1px solid var(--ink)}.row{border-bottom:1px solid var(--line);align-items:center;gap:12px 28px;padding:22px 4px;text-decoration:none;display:flex;position:relative}.row:before{content:"";background:var(--accent);transform-origin:0;height:2px;transition:transform .5s var(--ease);position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}.row-main{min-width:0;transition:margin .4s var(--ease);flex:1}.row-title{text-wrap:pretty;color:var(--ink);font:700 clamp(18px, 1.55vw, 21px)/1.45 var(--serif);text-decoration:none;transition:color .2s;display:block}.row-title:after{content:"";position:absolute;inset:0}.row-title:focus-visible{outline:none}.row-title:focus-visible:after{outline:2px solid var(--accent);outline-offset:-2px}.row-desc{max-width:44em;color:var(--muted);margin-top:6px;font-size:15px;line-height:1.7;display:block}.row-icons{flex:none;gap:5px;display:flex}.row-meta{color:var(--muted);white-space:nowrap;flex:none;align-items:center;gap:12px;font-size:13px;display:flex}.row-meta b{color:var(--ink);transition:transform .4s var(--ease);font-size:18px;font-weight:400}.row:hover:before{transform:scaleX(1)}.row:hover .row-main{margin-left:8px;margin-right:-8px}.row:hover .row-title{color:var(--accent)}.row:hover .row-meta b{transform:translate(6px)}.row-glyph{width:24px;height:24px}.group{margin-top:clamp(40px,5vw,72px)}.group:first-child{margin-top:12px}.group h2{align-items:center;gap:12px;margin-bottom:18px;font-size:clamp(21px,2.1vw,28px);display:flex}.group h2:before{content:"";border:3.5px solid var(--c,var(--accent));background:var(--paper);border-radius:50%;flex:none;width:12px;height:12px}.group-count{background:var(--soft);color:var(--muted);font:500 12.5px/1.7 var(--sans);border-radius:99px;flex:none;margin-left:2px;padding:1px 9px}.facts{max-width:var(--max);padding:0 var(--gutter);grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:clamp(36px,5vw,72px) auto 0;display:grid}.fact{border:1px solid var(--line);transition:border-color .25s, transform .35s var(--ease);border-radius:18px;align-items:center;gap:14px;padding:18px 20px;text-decoration:none;display:flex}.fact:hover{border-color:var(--c,var(--ink));transform:translateY(-2px)}.fact .glyph-badge{width:44px;height:44px}.fact-text{min-width:0}.fact b{color:var(--ink);font:700 clamp(22px, 2vw, 28px)/1.1 var(--serif);letter-spacing:-.01em;white-space:nowrap;display:block}.fact-text span{color:var(--muted);margin-top:4px;font-size:13.5px;line-height:1.5;display:block}.hero{max-width:var(--max);min-height:min(100svh - 70px,780px);padding:clamp(32px, 4vw, 56px) var(--gutter);grid-template-columns:minmax(0,11fr) minmax(0,10fr);align-items:center;gap:24px clamp(20px,3vw,56px);margin:0 auto;display:grid}.hero-kicker{color:var(--muted);font:600 14px/1.5 var(--sans);letter-spacing:.03em;align-items:center;gap:10px;display:flex}.hero-display{color:var(--ink);font:700 clamp(36px, 4.45vw, 68px)/1.2 var(--serif);letter-spacing:-.012em;margin:22px 0 24px}.hero-display span{white-space:nowrap;display:block}@keyframes rise{0%{opacity:0;transform:translateY(.45em)}to{opacity:1;transform:none}}.anim .hero-display span{animation:rise .9s var(--ease) both}.anim .hero-display span+span{animation-delay:.12s}.hero-deck{max-width:29em;margin:0 0 30px;font-size:clamp(17px,1.4vw,19px);line-height:1.8}.anim .hero-deck{animation:rise .9s .22s var(--ease) both}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.anim .hero-actions{animation:rise .9s .3s var(--ease) both}.hero-note{color:var(--muted);margin:24px 0 0;font-size:13px;line-height:1.75}.hero-note a{text-underline-offset:3px}.route-figure{min-width:0;margin:0}.route-map{width:100%;display:block;overflow:visible}.ghost path{fill:none;stroke:var(--line);stroke-width:1px;opacity:.55}.route{--c:var(--ink);transition:opacity .3s}.route-btc{--c:var(--l-btc)}.route-eth{--c:var(--l-eth)}.route-trx{--c:var(--l-trx)}.route-sol{--c:var(--l-sol)}.route-bnb{--c:var(--l-bnb)}.route-l2{--c:var(--l-l2)}.route-xl{--c:var(--l-xl)}.line{fill:none;stroke:var(--c);stroke-width:9px;stroke-linejoin:round;stroke-linecap:round;transition:stroke-width .25s var(--ease)}.anim .line{stroke-dasharray:1;stroke-dashoffset:1px;animation:draw 1.5s calc(var(--i) * 90ms + .15s) var(--ease) forwards}.line-hit{fill:none;stroke:#0000;stroke-width:34px}@keyframes draw{to{stroke-dashoffset:0}}.route a{outline-offset:2px}.station{fill:#fff;stroke:var(--c);stroke-width:4px;transition:stroke-width .25s var(--ease)}.rider{fill:#fff;stroke:var(--c);stroke-width:3px}.station-name{font:700 20px var(--serif);fill:var(--ink)}.station-tag{font:13px var(--mono);fill:var(--muted)}.junction{fill:#fff;stroke:var(--l-eth);stroke-width:4px;pointer-events:none}.hub{fill:var(--ink);transition:fill .25s}.hub-link:hover .hub{fill:var(--accent)}.hub-name{font:700 22px var(--serif);fill:var(--paper)}.hub-tag{font:13px var(--sans);fill:var(--paper);opacity:.78}.has-active .route:not(.active){opacity:.2}.route.active .line{stroke-width:12px}.route.active .station{stroke-width:6px}.route-legend{--c:var(--ink);border-left:3px solid var(--c);max-width:460px;min-height:66px;margin:10px auto 0;padding:10px 16px;transition:border-color .25s;display:block}.route-legend b{color:var(--ink);font:700 16px/1.6 var(--serif);display:block}.route-legend span{color:var(--muted);font-size:14px;line-height:1.6;display:block}.anim-done .hero-display span,.anim-done .hero-deck,.anim-done .hero-actions{animation:none}.anim-done .line{stroke-dasharray:none;stroke-dashoffset:0;animation:none}.stops{max-width:var(--max);padding:0 var(--gutter);grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(20px,3vw,48px);margin:clamp(8px,2vw,24px) auto 0;display:grid;position:relative}.stop{padding:34px 0 6px;text-decoration:none;display:block;position:relative}.stop:before{content:"";background:var(--line);height:4px;position:absolute;top:8px;left:0;right:calc(-1*clamp(20px,3vw,48px))}.stop:last-child:before{right:0}.stop:after{content:"";background:var(--accent);transform-origin:0;height:4px;transition:transform .6s var(--ease);position:absolute;top:8px;left:0;right:calc(-1*clamp(20px,3vw,48px));transform:scaleX(0)}.stop:last-child:after{right:0}.stop i{background:var(--paper);border:4px solid var(--ink);z-index:1;width:20px;height:20px;transition:border-color .25s, transform .35s var(--ease);border-radius:50%;position:absolute;top:0;left:0}.stop b{color:var(--ink);font:700 clamp(19px, 1.8vw, 24px)/1.4 var(--serif);transition:color .2s;display:block}.stop span{color:var(--muted);margin-top:8px;font-size:15px;line-height:1.7;display:block}.stop:hover:after{transform:scaleX(1)}.stop:hover i{border-color:var(--accent);transform:scale(1.2)}.stop:hover b{color:var(--accent)}.lines{border-top:1px solid var(--ink);margin:0;padding:0;list-style:none}.lines li{border-bottom:1px solid var(--line)}.lines a{grid-template-columns:124px 150px minmax(0,1fr) 170px;align-items:center;gap:22px;padding:22px 4px;text-decoration:none;display:grid;position:relative;overflow:hidden}.lines a:before{content:"";background:var(--c);transform-origin:0;height:4px;transition:transform .7s var(--ease);position:absolute;bottom:0;left:0;right:0;transform:scaleX(.05)}.lines a:hover:before{transform:scaleX(1)}.line-icons{transition:transform .4s var(--ease);flex-wrap:wrap;gap:6px;display:flex}.lines a:hover .line-icons{transform:translate(6px)}.lines b{color:var(--ink);font:700 clamp(20px, 2vw, 26px)/1.3 var(--serif)}.line-note{color:var(--muted);font-size:15.5px;line-height:1.7}.lines code{color:var(--muted);font:13px var(--mono);text-align:right}.tool-feature{background:var(--soft);border-radius:28px;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:32px clamp(32px,6vw,96px);padding:clamp(28px,5vw,72px);display:grid}.tool-feature-copy p{margin-top:18px}.tool-links{flex-direction:column;align-items:flex-start;gap:2px;margin-top:12px;font-size:15px;display:flex}.address-tool label,.tool label{color:var(--ink);margin-bottom:14px;font-size:14.5px;font-weight:600;display:block}.address-label{margin-bottom:8px;display:block}.tool select{font-family:var(--sans)!important}.tool input,.tool select,.address-tool textarea{width:100%;font:16px/1.5 var(--mono);color:var(--ink);background:var(--panel);border:1.5px solid var(--line);border-radius:12px;margin-top:7px;padding:12px 14px;transition:border-color .2s,box-shadow .2s;display:block}.address-tool textarea{resize:vertical;margin-top:0;padding:16px 18px;font-size:17px}.tool input:focus,.tool select:focus,.address-tool textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);outline:none}.address-samples{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 8px;margin:-4px 0 8px;font-size:13.5px;display:flex}.address-samples button{background:var(--panel);border:1px solid var(--line);color:var(--body);border-radius:99px;padding:3px 11px;font-size:13px;transition:border-color .2s,color .2s}.address-samples button:hover{border-color:var(--ink);color:var(--ink)}.address-note{color:var(--muted);margin:12px 0 0;font-size:13px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px;display:grid}.tool-grid>label:last-child:nth-child(odd),.tool-grid>label:first-child:nth-last-child(odd){grid-column:1/-1}.tool-grid>label:first-child:nth-last-child(odd)~label:last-child{grid-column:auto}.tool-out{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-top:12px;padding:18px 20px;font-size:15.5px;line-height:1.8;display:block}.tool-out:empty{display:none}.tool-out p{margin:0 0 8px}.tool-out p:last-child{margin-bottom:0}.tool-out b{color:var(--ink)}.out-head{flex-wrap:wrap;gap:5px;margin-bottom:8px;display:flex}.out-head:empty{display:none}.out-name b{font:700 19px var(--serif)}.out-tip{color:var(--muted);font-size:14px}.net-facts{grid-template-columns:auto minmax(0,1fr);gap:6px 16px;margin:10px 0 0;display:grid}.net-facts dt{color:var(--muted);font-size:13.5px}.net-facts dd{color:var(--ink);margin:0}.net-warn{background:color-mix(in srgb, var(--warn) 10%, transparent);color:var(--warn);border-radius:10px;margin-top:12px;padding:10px 14px;font-size:14.5px}.net-notes{margin:12px 0 0;padding-left:18px;font-size:14.5px}.net-notes li+li{margin-top:4px}.net-more{margin-top:12px;font-size:14px}.badge{background:color-mix(in srgb, var(--l-sol) 14%, transparent);color:var(--l-sol);border-radius:99px;margin-right:4px;padding:1px 10px;font-size:12.5px;font-weight:600;line-height:1.8;display:inline-block}.badge-warn{background:color-mix(in srgb, var(--warn) 14%, transparent);color:var(--warn)}.tool-layout{max-width:var(--max);padding:8px var(--gutter) 0;grid-template-columns:minmax(0,6fr) minmax(0,7fr);align-items:start;gap:32px clamp(32px,5vw,80px);margin:0 auto;display:grid}.tool-panel{background:var(--soft);border-radius:24px;padding:clamp(20px,3vw,36px);position:sticky;top:92px}.article-head{max-width:var(--max);padding:clamp(32px, 4.5vw, 64px) var(--gutter) clamp(24px, 3vw, 44px);margin:0 auto}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 8px;font-size:14px;display:flex}.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink);text-underline-offset:3px;text-decoration:underline}.crumbs .chip{margin-left:2px}.head-icons{flex-wrap:wrap;gap:7px;margin-top:22px;display:flex}.article-head h1{view-transition-name:page-title;max-width:19em;margin:18px 0 20px;font-size:clamp(30px,4.1vw,56px);line-height:1.22}.byline{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 18px;margin:0;font-size:14px;display:flex}.byline a{text-underline-offset:3px}.byline-author{color:var(--ink);align-items:center;gap:8px;text-decoration:none;display:inline-flex}.byline-author:hover{text-decoration:underline}.byline-author i{background:var(--ink);width:26px;height:26px;color:var(--paper);font:700 12px/1 var(--serif);border-radius:50%;place-items:center;font-style:normal;display:inline-grid}.article-layout{max-width:var(--max);padding:0 var(--gutter);grid-template-columns:250px minmax(0,700px);justify-content:start;gap:clamp(28px,6vw,96px);margin:0 auto;display:grid}.article-layout>.prose:only-child{grid-column:2}.toc{align-self:start;max-height:calc(100vh - 110px);font-size:14px;line-height:1.55;position:sticky;top:92px;overflow:auto}.toc summary{color:var(--ink);cursor:pointer;padding-bottom:10px;font-weight:600;list-style:none}.toc summary::-webkit-details-marker{display:none}.toc ol{margin:4px 0 0;padding:0;list-style:none;position:relative}.toc ol:before,.toc ol:after{content:"";background:var(--line);width:3px;position:absolute;top:8px;bottom:12px;left:5px}.toc ol:after{height:calc((100% - 20px) * var(--fill-n,0));background:var(--accent);transition:height .4s var(--ease);bottom:auto}.toc li{color:var(--muted);padding:6px 0 6px 26px;position:relative}.toc li:before{content:"";background:var(--paper);border:3px solid var(--line);z-index:1;width:13px;height:13px;transition:border-color .25s, transform .3s var(--ease);border-radius:50%;position:absolute;top:11px;left:0}.toc li.passed:before{border-color:var(--accent)}.toc li.current:before{border-color:var(--accent);background:var(--accent);transform:scale(1.15)}.toc li.current a{color:var(--ink);font-weight:600}.toc a{text-decoration:none;transition:color .2s;display:block}.toc a:hover{color:var(--ink)}.prose{counter-reset:station;min-width:0;font-size:17.5px}.prose>:first-child{margin-top:0}.prose h2{margin:2.3em 0 .7em;padding-top:22px;scroll-margin-top:84px;font-size:clamp(24px,2.4vw,31px);position:relative}.prose h2:before{counter-increment:station;content:counter(station, decimal-leading-zero);font:600 12.5px/1.4 var(--mono);letter-spacing:.08em;color:var(--accent);background:linear-gradient(var(--accent), var(--accent)) 0 50% / 22px 2px no-repeat;padding-left:30px;position:absolute;top:0;left:0}.prose h2 span{font:600 13px/1.8 var(--sans);letter-spacing:.04em;color:var(--accent);display:block}.prose h3{margin:1.8em 0 .45em;font-size:clamp(19px,1.7vw,22px)}.prose h3:before{content:"";border:3px solid var(--accent);vertical-align:3px;border-radius:50%;width:9px;height:9px;margin:0 10px 0 0;display:inline-block}.prose p,.prose ul,.prose ol{margin:0 0 1.15em}.prose li{margin:.35em 0}.prose li::marker{color:var(--muted)}.prose>ol{counter-reset:step;margin:1.3em 0 1.5em;padding:0;list-style:none}.prose>ol>li{margin:0;padding:0 0 16px 46px;position:relative}.prose>ol>li:before{counter-increment:step;content:counter(step);background:var(--paper);border:3px solid var(--ink);width:30px;height:30px;color:var(--ink);font:700 13px/1 var(--mono);border-radius:50%;place-items:center;display:grid;position:absolute;top:1px;left:0}.prose>ol>li:after{content:"";background:var(--line);width:3px;position:absolute;top:33px;bottom:-2px;left:13.5px}.prose>ol>li:last-child{padding-bottom:0}.prose>ol>li:last-child:after{display:none}.prose>ol>li>p{margin-bottom:.6em}.prose>ol>li>ul,.prose>ol>li>ol{margin-bottom:.4em}.prose strong{color:var(--ink);font-weight:600}.prose a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px;transition:text-decoration-thickness .15s}.prose a:hover{text-decoration-thickness:2px}.prose code{font:.86em var(--mono);background:var(--soft);word-break:break-all;border-radius:5px;padding:2px 6px}.prose blockquote{border-left:4px solid var(--warn);background:color-mix(in srgb, var(--warn) 7%, transparent);color:var(--body);border-radius:0 14px 14px 0;margin:1.5em 0;padding:14px 20px 14px 22px}.prose blockquote p:last-child{margin-bottom:0}.prose hr{border:0;border-top:1px solid var(--line);margin:2.6em 0}.prose figure{margin:2.2em 0}.prose figure img{width:100%;box-shadow:0 0 0 1px var(--line);transition:transform .5s var(--ease), box-shadow .5s var(--ease);border-radius:8px;display:block}.prose figure a:has(img){background:var(--soft);cursor:zoom-in;transition:transform .5s var(--ease), box-shadow .5s var(--ease);border-radius:14px;padding:32px 8px 8px;display:block;position:relative}.prose figure a:has(img):before{content:"";background:var(--line);width:8px;height:8px;box-shadow:13px 0 0 var(--line), 26px 0 0 var(--line);border-radius:50%;position:absolute;top:12px;left:14px}.prose figure a:has(img):after{content:"";background:color-mix(in srgb, var(--line) 55%, transparent);border-radius:99px;height:8px;position:absolute;top:12px;left:58px;right:14px}.prose figure img[src*=okx-acct-spot-menu]{max-width:340px}.prose figure img[src*=okx-acct-wallet-connect],.prose figure img[src*=okx-acct-liq-calc],.prose figure img[src*=okx-acct-margin-menu]{max-width:460px}.prose figure a:has(img[src*=okx-acct-spot-menu]),.prose figure a:has(img[src*=okx-acct-wallet-connect]),.prose figure a:has(img[src*=okx-acct-liq-calc]),.prose figure a:has(img[src*=okx-acct-margin-menu]){width:fit-content;max-width:100%;margin-inline:auto}.prose figure a:has(img):hover{transform:translateY(-3px);box-shadow:0 26px 50px -24px #141f4a73}.prose figcaption{color:var(--muted);margin-top:12px;font-size:14px;line-height:1.7}.prose table{border-collapse:separate;border-spacing:0;width:100%;margin:1.8em 0;font-size:15.5px;line-height:1.7;display:block;overflow-x:auto}.table-wrap{overflow-x:auto}.table-wrap table{display:table}.prose .can-scroll{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 44px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 44px),#0000)}.prose .can-scroll.at-end{-webkit-mask-image:none;mask-image:none}.prose caption{text-align:left;color:var(--muted);padding-bottom:10px;font-size:14px}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:7em;padding:12px 14px}.prose thead th{background:var(--soft);color:var(--ink);white-space:nowrap;border-bottom:0;padding:10px 14px;font-weight:600}.prose thead th:first-child{border-radius:10px 0 0 10px}.prose thead th:last-child{border-radius:0 10px 10px 0}.prose tbody th{color:var(--ink);font-weight:600}.prose tbody tr:last-child th,.prose tbody tr:last-child td{border-bottom:0}.prose img.ico{border:0;margin-right:3px;display:inline-block}.answer{background:var(--soft);border-radius:18px;margin-bottom:1.4em;padding:24px 28px 24px 32px;position:relative;overflow:hidden}.answer:before{content:"";background:var(--accent);width:5px;position:absolute;top:0;bottom:0;left:0}.answer .kicker{color:var(--accent)}.answer p{color:var(--ink);margin:8px 0 0;font-size:18.5px;line-height:1.8}.note{color:var(--muted);font-size:14px;line-height:1.7}.note a{color:inherit}.sources{border-top:1px solid var(--ink);margin-top:3.4em;padding-top:6px;font-size:15px;line-height:1.75}.sources h2{margin:1em 0 .5em;padding-top:0;font-size:20px}.sources h2:before{display:none}.sources p{color:var(--muted)}.sources ul{padding-left:1.1em}.sources a{color:var(--body)}.faq{margin:1.2em 0}.faq summary{color:var(--ink);cursor:pointer;font-weight:600}.tutorial-figure figcaption a{white-space:nowrap}.next-stop{max-width:var(--max);padding:30px var(--gutter) 0;grid-template-columns:minmax(0,1fr) auto;gap:6px 24px;margin:clamp(56px,7vw,96px) auto 0;text-decoration:none;display:grid;position:relative}.next-line{left:var(--gutter);right:var(--gutter);background:var(--line);height:4px;position:absolute;top:0}.next-line:before{content:"";background:var(--accent);transform-origin:0;transition:transform .8s var(--ease);position:absolute;inset:0;transform:scaleX(0)}.next-line:after{content:"";background:var(--paper);border:4px solid var(--ink);border-radius:50%;width:20px;height:20px;transition:border-color .3s;position:absolute;top:-8px;right:0}.next-stop:hover .next-line:before{transform:scaleX(1)}.next-stop:hover .next-line:after{border-color:var(--accent)}.next-stop .kicker{grid-column:1/-1}.next-title{color:var(--ink);font:700 clamp(22px, 2.8vw, 38px)/1.3 var(--serif);transition:color .2s}.next-stop:hover .next-title{color:var(--accent)}.next-arrow{color:var(--ink);transition:transform .4s var(--ease);align-self:center;font-size:30px;line-height:1}.next-stop:hover .next-arrow{transform:translate(8px)}.invite{color:#fff;background:#141f4a;border-radius:28px;grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:32px clamp(32px,6vw,96px);padding:clamp(32px,5.5vw,80px);display:grid;position:relative;overflow:hidden}.invite-line{opacity:.26;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.invite-line path{fill:none;stroke:#e0861d;stroke-width:3px;vector-effect:non-scaling-stroke}.invite-line path+path{stroke:#8493f5}.invite-copy,.invite-action{position:relative}.invite .kicker{color:#ffffffb8}.invite h2{color:#fff;margin:14px 0 16px;font-size:clamp(26px,3.2vw,44px)}.invite p{color:#ffffffd1;max-width:34em;margin:0;font-size:15.5px;line-height:1.8}.invite-action{flex-direction:column;align-items:flex-start;gap:16px;display:flex}.invite-code-box{flex-wrap:wrap;align-items:center;gap:8px 14px;display:flex}.invite-label{color:#ffffffb8;width:100%;font-size:13px}.invite-code{color:#fff;font:700 clamp(30px, 3.4vw, 42px)/1 var(--mono);letter-spacing:.04em}.copy{color:#fff;background:#ffffff1f;border:0;border-radius:99px;padding:5px 14px;font-size:13.5px;transition:background .2s}.copy:hover{background:#ffffff3d}.copy.done{background:#0f9b7a}.button-light{color:#141f4a;background:#fff}.button-light:hover{color:#141f4a;background:#e7eaff}.button-light:hover span{transform:translate(3px,-3px)}.invite small{color:#ffffffad;font-size:13px}.footer{margin-top:var(--section)}.footer-line{width:100%;height:40px;display:block}.footer-line path{fill:none;stroke:var(--ink);stroke-width:5px}.footer-line circle{fill:var(--paper);stroke:var(--ink);stroke-width:5px}.footer-grid{max-width:var(--max);padding:30px var(--gutter) 28px;grid-template-columns:minmax(0,2.4fr) repeat(3,minmax(0,1fr));gap:32px clamp(24px,4vw,64px);margin:0 auto;font-size:14.5px;line-height:1.75;display:grid}.footer-grid strong{color:var(--ink);font:700 16px/1.6 var(--serif);margin-bottom:10px;display:block}.footer-brand{align-items:center;gap:10px;margin-bottom:12px;display:flex}.footer-brand .brand-mark{width:30px;height:30px}.footer-brand strong{margin:0;font-size:18px}.footer-grid a .glyph{width:16px;height:16px;color:var(--muted);margin:-3px 6px 0 0}.footer-grid a{color:var(--muted);transition:color .2s, transform .3s var(--ease);padding:3px 0;text-decoration:none;display:block}.footer-grid a:hover{color:var(--ink);transform:translate(3px)}.footer-about p{max-width:34em;color:var(--muted);margin:0 0 8px}.footer-base{max-width:var(--max);padding:0 var(--gutter) 32px;color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:12px;margin:0 auto;font-size:13px;display:flex}.footer-base a{text-decoration:none}.footer-base a:hover{color:var(--ink)}.lightbox{background:var(--panel);cursor:zoom-out;border:0;border-radius:16px;max-width:min(1200px,94vw);padding:14px}.lightbox::backdrop{backdrop-filter:blur(4px);background:#0d1226b8}.lightbox[open]{animation:rise .35s var(--ease) both}.lightbox img{border-radius:8px;width:auto;max-height:82vh;margin:0 auto;display:block}.lightbox p{color:var(--muted);margin:10px 4px 0;font-size:14px;line-height:1.6}@supports (animation-timeline:view()){.anim .row,.anim .lines li,.anim .band-head,.anim .split-head,.anim .tool-feature,.anim .invite,.anim .prose figure,.anim .group h2{animation:linear both reveal view();animation-range:entry entry 38%}@keyframes reveal{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px)}}@keyframes scrim-in{0%{opacity:0}}@media (width<=1120px){.hero{grid-template-columns:minmax(0,1fr);min-height:0;padding-top:40px}.hero-display{font-size:clamp(32px,8.6vw,72px)}.route-figure{width:100%;max-width:720px;margin-inline:auto}.route-map{overflow:hidden}.lines a{grid-template-columns:124px 130px minmax(0,1fr)}.lines code{display:none}.tool-layout{grid-template-columns:minmax(0,1fr)}.tool-panel{position:static}}@media (width<=960px){body{font-size:16.5px}.masthead{flex-wrap:wrap;padding-block:10px 4px}.masthead nav{order:3;flex:0 0 calc(100% + var(--gutter) * 2);margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);scrollbar-width:none;gap:22px;font-size:14.5px;overflow-x:auto}.masthead nav::-webkit-scrollbar{display:none}.brand{margin-right:auto}.js .masthead{flex-wrap:nowrap;padding-block:10px}.js:has(.menu-open){overflow:hidden}.js .nav-toggle{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;order:3;place-items:center;margin:-4px -10px -4px 0;padding:0;display:grid}.nav-toggle path{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;transform-origin:12px 12px;transition:transform .25s var(--ease), opacity .15s}.nav-toggle[aria-expanded=true] path:first-child{transform:rotate(45deg)translateY(5px)}.nav-toggle[aria-expanded=true] path:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] path:nth-child(3){transform:rotate(-45deg)translateY(-5px)}.js .masthead-menu{overscroll-behavior:contain;max-height:calc(100dvh - 64px);padding:4px var(--gutter) 20px;background:var(--paper);border-bottom:1px solid var(--line);z-index:1;display:none;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.js .menu-open .masthead-menu{animation:menu-in .22s var(--ease);display:block}.js .menu-open .nav-scrim{cursor:pointer;background:#10162b66;height:100lvh;animation:.22s scrim-in;display:block;position:absolute;top:100%;left:0;right:0}.js .masthead-menu nav{margin:0;padding:0;font-size:17px;display:block;overflow:visible}.js .masthead-menu nav a{border-bottom:1px solid var(--line);align-items:center;min-height:52px;padding:0;display:flex}.js .masthead-menu nav a:after{display:none}.js .masthead-menu nav a[aria-current]{font-weight:600}.js .masthead-menu nav a[aria-current]:after{border-radius:50%;width:9px;height:9px;margin-left:auto;display:block;position:static;transform:none}.js .masthead-menu nav .nav-glyph{width:30px;height:30px;margin-right:12px;display:inline-grid}.js .masthead-menu .lang-switch{margin-top:18px;font-size:14px}.js .masthead-menu .lang-switch a{padding:6px 18px}.js .masthead>.theme-toggle{display:none}.js .masthead-menu .theme-menu{border:1px solid var(--line);border-radius:99px;align-items:center;gap:10px;width:auto;height:auto;margin:14px 0 0;padding:8px 14px 8px 10px;font-size:14px;display:flex}.js .masthead-menu .theme-menu span{display:inline}.head-glyph{opacity:.08;width:84px;top:14px}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.tool-feature,.page-intro,.invite{grid-template-columns:minmax(0,1fr)}.band-head{grid-template-columns:minmax(0,1fr);margin-bottom:28px}.split-head{position:static}.article-layout{grid-template-columns:minmax(0,1fr);gap:20px}.article-layout>.prose:only-child{grid-column:1}.toc{background:var(--soft);border-radius:14px;max-height:none;padding:14px 18px;position:static}.toc summary{justify-content:space-between;align-items:center;padding:0;display:flex}.toc summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);width:9px;height:9px;transition:transform .25s var(--ease);flex:none;margin:-4px 6px 0 0;transform:rotate(45deg)}.toc details[open] summary:after{margin-top:4px;transform:rotate(-135deg)}.toc ol{margin-top:12px}.stops{grid-template-columns:minmax(0,1fr);gap:0}.stop{padding:0 0 30px 38px}.stop:before,.stop:after,.stop:last-child:before,.stop:last-child:after{width:4px;height:auto;inset:4px auto -4px 8px}.stop:last-child:before,.stop:last-child:after{bottom:20px}.stop:after{transform-origin:top;transform:scaleY(0)}.stop:hover:after{transform:scaleY(1)}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-about{grid-column:1/-1}.prose{font-size:17px}}@media (width<=640px){.brand-name small{display:none}.brand-mark{width:32px;height:32px}.nav-invite{padding:5px 12px;font-size:13px}.lang-switch a{padding:2px 9px}.hero-actions .button{flex:100%;justify-content:center}.station-name{font-size:27px}.station-tag{display:none}.hub-name{font-size:25px}.ghost{display:none}.row{flex-wrap:wrap;padding:18px 2px}.row-main{flex:100%}.row-icons{order:3}.row-meta{order:4;margin-left:auto}.lines a{grid-template-columns:minmax(0,1fr);gap:6px;padding:18px 2px}.tool-feature,.invite{border-radius:20px;padding:24px 20px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.answer{padding:18px 20px 18px 24px}.prose>ol>li{padding-left:40px}.prose>ol>li:before{width:26px;height:26px;font-size:12px}.prose>ol>li:after{top:29px;left:11.5px}.prose figure a:has(img){border-radius:12px;padding:26px 5px 5px}.prose figure a:has(img):before{width:7px;height:7px;box-shadow:11px 0 0 var(--line), 22px 0 0 var(--line);top:9px;left:11px}.prose figure a:has(img):after{height:7px;top:9px;left:48px;right:11px}.fact{border-radius:14px;gap:10px;padding:14px}.fact .glyph-badge{width:36px;height:36px}}@media (width<=480px){.facts{grid-template-columns:minmax(0,1fr);gap:10px}.fact{gap:14px}.prose table{font-size:15px}.prose th,.prose td{min-width:9.5em;padding-right:14px}.next-title{font-size:21px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-delay:0s!important}.rider{display:none}.anim .line{stroke-dasharray:none;stroke-dashoffset:0;animation:none}@view-transition{navigation:none}}@media print{.masthead,.footer,.invite,.toc,.rider,.next-stop{display:none}}