:root{color-scheme:light;--ink:#13223f;--text:#526889;--accent:#315ef3;--accent-dark:#234be0;--line:#d9e3f3;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-family:var(--font);font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
*{box-sizing:border-box}html{min-height:100%;background:#edf3ff}body{margin:0;color:var(--ink);min-width:320px;min-height:100svh;background:#edf3ff}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible{outline:3px solid #8aabff}input:focus-visible{outline:none}button{border:0}a{color:inherit;text-decoration:none}button svg{pointer-events:none}svg{display:block}button svg,input+button svg{stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}.page-shell{position:relative;z-index:3;display:flex;flex-direction:column;min-height:100svh;width:min(1392px,calc(100% - 112px));margin:auto}.site-header{height:83px;border-bottom:1px solid #a9c0ea69;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.brand{display:inline-flex;align-items:center;gap:9px;font-size:26px;font-weight:720;letter-spacing:-.9px;line-height:1}.brand-mark{width:29px;height:35px}.header-links{display:flex;align-items:center;gap:36px}.text-button{background:transparent;color:#1a2d4b;font-size:15px;font-weight:550;padding:12px 2px;border-radius:5px;transition:color .18s}.text-button:hover{color:var(--accent)}.main-layout{display:grid;grid-template-columns:minmax(0,1fr) 484px;gap:94px;align-items:center;width:min(1170px,100%);margin:0 auto;flex:1;min-height:690px;padding:76px 12px 64px}.intro{padding-bottom:31px;align-self:center}.preview-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid #c5d6f080;background:#f7faff88;border-radius:30px;font-size:11px;letter-spacing:.6px;color:#637da3;margin-bottom:22px;line-height:1.4}.preview-badge>span{width:5px;height:5px;border-radius:50%;background:#719cfa}h1{font-size:56px;line-height:1.23;letter-spacing:-2px;font-weight:620;margin:0 0 18px}.intro>p{font-size:21px;line-height:1.7;color:#597299;margin:0;letter-spacing:.2px}.exchange-area{min-width:0}.card-glow{position:relative;padding:1px;border-radius:25px;isolation:isolate;--mx:20%;--my:15%;background:linear-gradient(145deg,#ffffffef,#d8e5ffba 58%,#ffffffef);box-shadow:0 22px 75px -38px #6389dd70,0 5px 22px -14px #4775e145}.card-glow:before{content:"";position:absolute;inset:-1px;z-index:-1;border-radius:26px;background:radial-gradient(220px circle at var(--mx) var(--my),#82a4ffcc,transparent 65%);opacity:.45;transition:opacity .25s}.card-glow:hover:before{opacity:1}.card-glow:after{content:"";position:absolute;inset:-12px;border-radius:32px;z-index:-2;filter:blur(16px);background:radial-gradient(130px circle at var(--mx) var(--my),#94a5ff61,transparent 75%);opacity:.5;transition:opacity .25s}.card-glow:hover:after{opacity:.95}.exchange-card{position:relative;overflow:hidden;background:#fff;border-radius:24px;padding:30px 30px 0;min-height:454px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:3px;background:#edf2f9;border-radius:10px;padding:3px;margin:0 0 31px}.tab{height:37px;border-radius:8px;background:transparent;color:#647796;font-size:16px;font-weight:560;transition:background .18s,color .18s,box-shadow .18s}.tab[data-state=active]{color:#fff;background:linear-gradient(105deg,#2f60fa,#355cef);box-shadow:0 2px 6px #2f60f52a}.tab[data-state=inactive]:hover{background:#e4ebf7;color:#36507b}.steps{list-style:none;margin:0 0 33px;padding:0;display:grid;grid-template-columns:repeat(3,1fr)}.steps li{position:relative;display:flex;align-items:center;flex-direction:column;gap:8px;min-width:0;color:#7185a5}.steps li:not(:last-child):after{position:absolute;content:"";top:16px;left:calc(50% + 32px);width:calc(100% - 64px);height:1px;background:#ccd8ec}.steps li[data-state=complete]:after{background:#7799f8}.step-number{display:flex;align-items:center;justify-content:center;border-radius:50%;width:33px;height:33px;background:#edf2fa;font-size:14px;font-variant-numeric:tabular-nums;font-weight:500;transition:background .2s,color .2s}.step-label{font-size:13px;font-weight:500}.steps li[data-state=active],.steps li[data-state=complete]{color:#3463ef}.steps li[data-state=active] .step-number{background:linear-gradient(145deg,#3d71ff,#2c59ef);color:#fff;box-shadow:0 3px 9px #4376f223}.steps li[data-state=complete] .step-number{background:#e5edff;color:#315ef3}.field-label{display:block;font-size:15px;font-weight:600;line-height:1.5;margin:0 0 10px;color:#1a2943}.input-wrap{position:relative}input{height:58px;width:100%;border:1.5px solid #c9d6e9;border-radius:11px;color:#213355;background:#fff;padding:0 16px;font-size:16px;line-height:1.3;transition:border-color .18s,box-shadow .18s}input::placeholder{color:#8295b3;opacity:1}input:focus{border-color:#739af9;box-shadow:0 0 0 3px #4b7bfa12}input[aria-invalid=true]{border-color:#ce7180;box-shadow:0 0 0 3px #c95e7210}input[readonly]{background:#f6f8fc;color:#5b7194}.input-wrap input{padding-right:52px}.input-icon{position:absolute;right:8px;top:9px;display:grid;place-items:center;width:39px;height:39px;background:transparent;color:#748dad;border-radius:7px;transition:color .18s,background .18s}.input-icon svg{width:22px;height:22px}.input-icon:hover{color:#3862e6;background:#edf3ff}.demo-shortcut{display:flex;justify-content:flex-end;margin:9px 0 14px}.quiet-link{background:none;color:#6881ac;font-size:11px;padding:2px 0;border-radius:2px}.quiet-link:hover{color:var(--accent)}.quiet-link span{display:inline-block;padding-left:3px}.primary-button{display:flex;position:relative;align-items:center;justify-content:center;gap:9px;width:100%;height:56px;background:linear-gradient(108deg,#367cf9 -8%,#2d60f6 46%,#3156ed 100%);border-radius:11px;color:#fff;font-size:16px;font-weight:550;letter-spacing:.2px;box-shadow:0 4px 11px #3265f31b;transition:transform .18s ease,filter .18s ease,box-shadow .18s ease}.primary-button:hover:not(:disabled){filter:brightness(1.045);box-shadow:0 7px 18px #3265f32b;transform:translateY(-1px)}.primary-button:active:not(:disabled){transform:translateY(0) scale(.993)}.primary-button:disabled{opacity:.7}.button-arrow{position:absolute;right:21px;width:22px;height:22px;transition:transform .18s ease}.primary-button:hover:not(:disabled) .button-arrow{transform:translateX(3px)}.button-spinner{display:none;width:17px;height:17px;border:2px solid #ffffff66;border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite}.is-loading .button-spinner{display:block}.is-loading .button-arrow{display:none}.card-footer{display:flex;justify-content:center;border-top:1px solid #dce5f3;margin-top:30px;min-height:70px;align-items:center}.support-link{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#315ef3;font-size:14px;padding:12px 16px;border-radius:8px}.support-link:hover{background:#f5f8ff}.support-link svg{width:20px;height:20px;stroke-width:1.5}.demo-notice{margin:16px 0 0;text-align:center;font-size:11px;line-height:1.7;color:#7489a9;letter-spacing:.3px}.site-footer{min-height:67px;border-top:1px solid #a9c0ea69;display:flex;align-items:center;justify-content:space-between;gap:15px;color:#617a9d;font-size:12px;flex-shrink:0}.footer-actions{display:flex;align-items:center;gap:17px}.footer-separator{height:12px;width:1px;background:#bdcde4}.footer-link,.motion-toggle{font-size:12px;color:inherit;background:transparent;padding:10px 0}.footer-link:hover,.motion-toggle:hover{color:var(--accent)}.motion-toggle{display:flex;align-items:center;gap:6px}.motion-toggle svg{width:15px;height:15px;stroke-width:1.25}.feedback{font-size:12px;line-height:1.65;color:#ae4257;background:#fff5f7;border:1px solid #f4d9df;padding:9px 11px;border-radius:8px;margin:10px 0}.feedback[data-kind=info]{color:#4d6f9d;background:#f0f5ff;border-color:#dce7fc}.field-note{font-size:12px;color:#7187a8;margin:9px 0 20px}.product-summary{display:flex;align-items:center;gap:12px;margin:0 0 22px;padding:15px;background:#f5f8fe;border:1px solid #e4ebf8;border-radius:12px}.product-symbol{width:39px;height:39px;background:#e9f0ff;border-radius:10px;display:grid;place-items:center;color:#4d75dd;flex-shrink:0}.product-symbol svg{width:25px;height:25px;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.product-summary>div{min-width:0}.eyebrow{display:block;font-size:10px;letter-spacing:.5px;color:#7b8faf;margin-bottom:3px}.product-summary strong{font-size:15px;font-weight:550;display:block;color:#263c61}.product-note{font-size:11px;color:#6d84a5;display:block;margin-top:4px}.back-button{display:block;background:transparent;color:#7086a7;font-size:12px;margin:13px auto 0;padding:7px 14px;border-radius:5px}.back-button:hover{background:#f3f7fd;color:var(--accent)}.result-panel{text-align:center}.result-icon{width:62px;height:62px;border-radius:50%;background:#edf6f4;color:#3c9e87;margin:0 auto 16px;display:grid;place-items:center}.result-icon svg{width:32px;height:32px;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.result-panel h2{font-size:22px;font-weight:600;letter-spacing:-.3px;margin:0 0 10px}.result-panel>p{font-size:13px;line-height:1.8;color:#687f9f;margin:0 auto 15px;max-width:310px}.result-panel>code{display:inline-block;font-size:12px;background:#f2f6fc;border:1px solid #e1e9f5;color:#627ba2;padding:7px 13px;border-radius:7px;margin-bottom:24px}.result-panel[data-status=processing] .result-icon{background:#fff6e6;color:#ba8d35}.result-panel[data-status=processing] .result-icon svg{display:none}.result-panel[data-status=processing] .result-icon:before{content:"";width:26px;height:26px;border:2px solid #d8b873;border-top-color:transparent;border-radius:50%;animation:spin 1.8s linear infinite}.panel-heading{margin:9px 0 26px}.panel-heading h2{font-size:22px;letter-spacing:-.4px;font-weight:600;margin:0 0 9px}.panel-heading p{font-size:13px;color:#6e84a5;line-height:1.7;margin:0}.query-submit{margin-top:21px}.query-result{background:#f5f8fe;border:1px solid #e0e9f8;border-radius:12px;margin-top:22px;padding:17px;font-size:13px;color:#506a91;line-height:1.8;overflow-wrap:anywhere}.query-result h3,.query-result strong{font-size:15px;font-weight:550;color:#263f66;margin:0 0 6px;display:block}.query-result p{margin:4px 0}.query-result dl{margin:9px 0 0}.query-result dt{color:#7a8eac;font-size:11px}.query-result dd{margin:0 0 6px;font-size:12px}.query-result code{font-size:12px}.view-panel:not([hidden]){animation:panel-in .22s ease both}.skip-link{position:fixed;top:10px;left:10px;z-index:100;background:#fff;padding:12px 16px;border-radius:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}dialog{border:1px solid #dbe6f6;border-radius:24px;padding:0;width:min(440px,calc(100vw - 32px));background:#fff;box-shadow:0 24px 100px #31539130;color:var(--ink);max-height:calc(100svh - 48px)}dialog::backdrop{background:#253c6533;backdrop-filter:blur(7px)}.dialog-shell{position:relative;padding:32px}.dialog-close{position:absolute;right:15px;top:15px;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:#f2f6fd;color:#627a9e}.dialog-close:hover{background:#e9f0fc}.dialog-close svg{width:17px;height:17px}.dialog-mark{width:32px;height:4px;border-radius:4px;background:linear-gradient(90deg,#4c82ff,#a0b9ff);margin:7px 0 22px}.dialog-shell h2{font-size:22px;margin:0 0 17px;font-weight:600}.dialog-shell p,.dialog-shell li{font-size:13px;color:#607796;line-height:1.9}.dialog-shell ol{padding-left:20px;margin-bottom:20px}.dialog-shell code{background:#f1f5fc;border:1px solid #dce7f7;color:#42659f;padding:3px 6px;border-radius:4px;font-size:12px;white-space:nowrap}.dialog-demo{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 13px;border:1px solid #e0e8f6;background:#f7faff;border-radius:11px;margin:18px 0}.dialog-demo code{border:0;padding:0;background:transparent}.dialog-demo button{background:#e8efff;color:#3e66c5;padding:7px 9px;border-radius:6px;font-size:11px}.dialog-secondary{font-size:11px!important;color:#8a9bb3!important}.secondary-button{height:43px;border-radius:9px;background:#f0f5fd;color:#42649b;width:100%;font-size:13px;font-weight:500;margin-top:14px}.secondary-button:hover{background:#e6eefc}.toast{position:fixed;left:50%;bottom:82px;transform:translateX(-50%);z-index:20;background:#fff;border:1px solid #dce6f5;border-radius:11px;box-shadow:0 7px 30px #3a5a8b17;padding:12px 17px;font-size:12px;color:#526f98;max-width:calc(100vw - 34px);text-align:center;line-height:1.7}.noscript-note{position:fixed;z-index:30;bottom:15px;left:15px;right:15px;background:#fff;color:#52698d;padding:15px;font-size:14px;border:1px solid #d5e1f3;border-radius:10px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes panel-in{from{opacity:.35;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.main-layout{width:1200px;grid-template-columns:minmax(0,1fr) 490px;gap:120px}.page-shell{width:min(1440px,calc(100% - 150px))}.main-layout{min-height:730px}h1{font-size:60px}}
@media(max-width:1100px){.page-shell{width:calc(100% - 64px)}.main-layout{grid-template-columns:minmax(0,1fr) 450px;gap:40px;padding:65px 4px;min-height:650px}h1{font-size:46px}.intro>p{font-size:18px}.exchange-card{padding:26px 26px 0}}
@media(max-width:820px){.page-shell{width:calc(100% - 48px)}.site-header{height:73px}.brand{font-size:24px}.brand-mark{width:27px;height:32px}.header-links{gap:23px}.text-button{font-size:13px}.main-layout{grid-template-columns:1fr;width:min(490px,100%);gap:29px;min-height:0;align-content:start;padding:46px 0 58px}.intro{text-align:center;padding:0}.preview-badge{font-size:10px;margin-bottom:14px;padding:4px 9px}h1{font-size:38px;letter-spacing:-1px;margin-bottom:12px}.intro>p{font-size:17px}.exchange-card{padding:28px 27px 0;min-height:0}.exchange-area{width:100%}.site-footer{min-height:67px;font-size:11px}.footer-actions{gap:12px}.footer-link,.motion-toggle{font-size:11px}}
@media(max-width:480px){.page-shell{width:calc(100% - 40px)}.site-header{height:70px}.header-query{display:none}.brand{font-size:23px;gap:7px}.brand-mark{width:26px;height:31px}.main-layout{padding:31px 0 40px;gap:24px;align-content:start}.intro{padding-top:0}.preview-badge{margin-bottom:11px}h1{font-size:34px;letter-spacing:-1.2px;margin:0 0 10px}.intro>p{font-size:15px;letter-spacing:0}.card-glow{border-radius:21px}.exchange-card{border-radius:20px;padding:22px 20px 0}.tabs{margin-bottom:26px}.tab{font-size:15px;height:36px}.steps{margin-bottom:26px}.step-number{width:31px;height:31px;font-size:13px}.steps li:not(:last-child):after{top:15px;left:calc(50% + 25px);width:calc(100% - 50px)}.step-label{font-size:12px}.field-label{font-size:14px;margin-bottom:9px}input{height:54px;font-size:16px;border-radius:10px;padding-left:13px}.input-icon{top:7px}.primary-button{height:52px;font-size:15px;border-radius:10px}.button-arrow{right:17px;width:21px;height:21px}.demo-shortcut{margin-bottom:12px}.quiet-link{font-size:10px}.card-footer{margin-top:25px;min-height:62px}.support-link{font-size:13px}.demo-notice{font-size:10px;margin-top:12px}.site-footer{min-height:60px}.motion-toggle span{font-size:10px}.motion-toggle svg{width:13px;height:13px}.footer-actions{gap:9px}.site-footer{font-size:10px}.footer-link{font-size:10px}.footer-separator{height:10px}.dialog-shell{padding:27px}.product-summary{padding:12px}.panel-heading{margin-bottom:22px}.panel-heading h2{font-size:21px}.query-result{padding:14px}.field-note{font-size:11px}.result-panel h2{font-size:21px}.result-panel>p{font-size:12px}}
@media(max-width:359px){.page-shell{width:calc(100% - 28px)}.exchange-card{padding:20px 16px 0}.intro>p{font-size:14px}.site-header{height:64px}.main-layout{padding-top:25px}h1{font-size:31px}.footer-actions{gap:7px}.motion-toggle span{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}.view-panel{animation:none!important}}

.query-status{font-size:15px;font-weight:600;color:#315b9b;margin-bottom:11px}.query-result[data-status=success] .query-status{color:#378674}.query-result[data-status=processing] .query-status{color:#a57c29}.demo-details>div{display:grid;grid-template-columns:70px 1fr;gap:8px;margin:5px 0}.demo-details dt{font-size:11px}.demo-details dd{margin:0;font-size:12px}.query-result .query-result-note{font-size:11px;color:#6b82a3;line-height:1.8;margin-top:12px;padding-top:10px;border-top:1px solid #e1e9f6}

@media(min-width:821px){.main-layout{align-items:start;padding-top:clamp(78px,14.5vh,136px)}.intro{align-self:start;padding-top:156px}.exchange-area{align-self:start}}