:root{color-scheme:light;--bg:#f8fafc;--panel:#ffffff;--panel2:#f1f5fc;--text:#17243b;--muted:#52627a;--dim:#5b6b82;--line:#dce4f0;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#edf3ff;--accent-line:#bbcffb;--mint:var(--accent);--cyan:#7357d9;--sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans","PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC","WenQuanYi Micro Hei","Helvetica Neue",Arial,sans-serif;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}a{color:inherit;text-decoration:none}button{background:none;border:0}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--mint);outline-offset:5px}::selection{background:#ffffff;color:var(--accent)}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}button:disabled{cursor:default}svg{display:block}button[hidden],[hidden]{display:none!important}.section-shell{width:min(1232px,calc(100% - 96px));margin-inline:auto}.section-space{padding-block:110px}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--muted);font:10px/1.5 var(--mono);letter-spacing:.13em;font-weight:500}.little-line{height:1px;width:25px;background:var(--mint)}.section-number{color:var(--muted)}.micro-label{font:9px/1.5 var(--mono);letter-spacing:.1em;color:var(--muted)}.section-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}h2{font-size:clamp(35px,4vw,51px);line-height:1.11;letter-spacing:-.045em}h3{letter-spacing:-.025em}.section-description{font-size:15px;line-height:1.8;color:var(--muted);max-width:470px;margin-top:19px}.section-heading-row{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:43px}.text-link{display:inline-flex;align-items:center;gap:22px;white-space:nowrap;font-size:12px;font-weight:500;padding:10px 0;color:var(--text)}.text-link>span:last-child{color:var(--mint);font-size:18px;transition:transform .2s}.text-link:hover>span:last-child{transform:translate(3px,-2px)}.button{display:inline-flex;justify-content:center;align-items:center;gap:23px;min-height:49px;padding:0 22px;border-radius:6px;font-weight:550;font-size:12px;line-height:1.3;transition:background .2s,transform .2s,box-shadow .2s;border:1px solid transparent;white-space:nowrap}.button:hover{transform:translateY(-2px)}.button-mint{background:var(--mint);color:var(--accent);border-color:var(--mint)}.button-mint:hover{background:#ffffff;box-shadow:0 5px 35px #1d3f7a08}.button-outline{border-color:var(--line);color:var(--text);background:#2563eb70}.button-outline:hover{background:#ffffff;border-color:var(--line)}.button-light{background:#ffffff;color:var(--text)}.button-small{min-height:35px;padding-inline:14px;gap:23px;font-size:11px;border-radius:4px}.arrow-icon{font-size:19px;line-height:1}.icon-button{display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}.skip-link{position:fixed;top:-100px;left:20px;background:var(--mint);color:var(--accent);padding:12px 18px;z-index:100}.skip-link:focus{top:15px}.site-header{height:78px;position:relative;z-index:20;border-bottom:1px solid var(--line);background:#ffffffdd;backdrop-filter:blur(22px)}.nav-shell{width:min(1344px,calc(100% - 80px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:650;letter-spacing:-1px;white-space:nowrap}.brand-symbol{width:30px;height:30px;color:var(--mint)}.brand-end{font-weight:400}.desktop-nav{display:flex;gap:30px;align-items:center;margin-left:45px}.desktop-nav a{font-size:11px;color:var(--text);transition:color .2s;line-height:25px}.desktop-nav a:hover{color:var(--mint)}.small-arrow{font-size:13px;margin-left:3px;color:var(--muted)}.nav-actions{display:flex;align-items:center;gap:22px}.language-button{font-size:10px;color:var(--muted);white-space:nowrap;padding:6px 0}.login-button{font-size:11px;color:var(--text);padding:6px 0}.language-button:hover,.login-button:hover{color:var(--mint)}.menu-toggle{display:none;width:34px;height:34px;flex-direction:column;gap:6px}.menu-toggle span{display:block;width:19px;height:1px;background:var(--text)}.mobile-nav{position:absolute;left:0;top:100%;background:#ffffffec;width:100%;padding:20px 28px;display:flex;flex-direction:column;gap:20px;border-bottom:1px solid var(--line);backdrop-filter:blur(24px)}.mobile-nav a,.mobile-nav button{text-align:left;font-size:14px;padding:5px 0}
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.platform-section{background:radial-gradient(ellipse at 70% 70%,#2563eb2b,transparent 58%),#ffffff;border-block:1px solid var(--line)}.platform-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px;margin-top:26px}.platform-copy>.section-description{max-width:370px;margin-bottom:32px}.platform-feature{display:flex;gap:20px;padding:19px 0;border-top:1px solid var(--line);max-width:400px}.feature-index{font:8px var(--mono);color:var(--muted);line-height:22px}.platform-feature h3{font-size:15px;letter-spacing:-.025em;margin-bottom:7px}.platform-feature p{font-size:11px;line-height:1.85;color:var(--muted);max-width:300px}.connection-panel{border:1px solid var(--line);border-radius:10px;background:linear-gradient(140deg,#2563eb77,#2563eb77);box-shadow:0 32px 70px #1d3f7a10;position:relative;overflow:hidden}.connection-panel::before{content:'';position:absolute;inset:0;background-image:radial-gradient(#2563eb4d .8px,transparent .8px);background-size:21px 21px;mask-image:radial-gradient(ellipse,black,transparent 75%);pointer-events:none}.connection-panel-header{height:54px;padding:0 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);font:8px var(--mono);letter-spacing:.1em;color:var(--muted);position:relative}.tiny-route-icon{font-size:18px;color:var(--accent)}.demo-pill{margin-left:auto;border:1px solid var(--line);border-radius:3px;font-size:6px;letter-spacing:.08em;padding:4px 7px;color:var(--muted)}.diagram-workspace{padding:31px 20px 29px;display:flex;flex-direction:column;align-items:center;position:relative}.diagram-client{padding:11px 18px;background:#ffffffe0;border:1px solid var(--line);border-radius:7px;display:flex;gap:13px;align-items:center}.diagram-client-icon{color:var(--muted);font-size:24px}.diagram-client strong{font-size:11px;font-weight:450;display:block;margin-bottom:4px}.diagram-client div>span{display:block;font:6px var(--mono);color:var(--muted);letter-spacing:.13em}.diagram-line{height:44px;width:1px;background:#2563eb66;position:relative;overflow:hidden}.diagram-line span{position:absolute;width:1px;height:15px;background:var(--mint);animation:signal 3s infinite linear;top:-15px}.diagram-hub{border:1px solid var(--line);background:radial-gradient(ellipse at 50% 0%,#2563eb1c,transparent),#ffffff;box-shadow:0 0 40px #1d3f7a05;border-radius:9px;width:190px;padding:18px 20px 15px;display:grid;grid-template-columns:30px auto;align-items:center;gap:3px 10px;position:relative}.diagram-hub::before,.diagram-hub::after{content:'';width:4px;height:4px;background:var(--mint);border-radius:50%;position:absolute;left:calc(50% - 2px)}.diagram-hub::before{top:-2px}.diagram-hub::after{bottom:-2px}.diagram-hub svg{color:var(--mint);width:27px;height:27px;grid-row:1/3}.diagram-hub strong{font-size:15px;letter-spacing:-.5px;font-weight:500}.diagram-hub>span{font:6px var(--mono);color:var(--accent);letter-spacing:.13em}.diagram-branches{height:66px;width:78%;position:relative;display:flex;justify-content:center}.diagram-branches i{position:absolute;border:1px solid var(--line);top:28px;height:39px;width:calc(50% + .5px);border-bottom:0}.diagram-branches i:nth-child(1){left:0;border-radius:6px 0 0 0;border-right:0}.diagram-branches i:nth-child(2){height:66px;width:1px;border:0;background:#2563eb66;top:0}.diagram-branches i:nth-child(3){right:0;border-left:0;border-radius:0 6px 0 0}.diagram-providers{display:flex;justify-content:space-between;width:95%;position:relative}.diagram-providers>span{display:flex;align-items:center;gap:8px;background:#ffffff;border:1px solid var(--line);border-radius:5px;padding:11px 13px;font-size:9px;min-width:90px;justify-content:center}.connection-panel-footer{border-top:1px solid var(--line);padding:17px 15px;display:flex;justify-content:space-around;gap:7px;position:relative;color:var(--muted);font:7px var(--mono)}.connection-panel-footer>span{display:flex;align-items:center;gap:6px}.small-square{width:3px;height:3px;border:1px solid var(--line);display:inline-block}
.pricing-breakdown{display:grid;grid-template-columns:1fr 25px 1fr 25px 1fr;border:1px solid var(--line);border-radius:8px;background:linear-gradient(115deg,#ffffff,#ffffff);padding:33px 20px}.price-part{padding:0 19px}.price-part-icon{font-size:27px;margin-bottom:20px;color:var(--accent);height:30px}.price-part-label{font:8px var(--mono);letter-spacing:.1em;color:var(--muted)}.price-part h3{font-size:23px;margin-top:8px;margin-bottom:11px;line-height:1.2}.price-part p{font-size:11px;line-height:1.85;color:var(--muted);max-width:230px;min-height:42px}.unit-label{display:block;font:7px var(--mono);letter-spacing:.1em;color:var(--muted);margin-top:27px}.price-plus{display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:20px;color:var(--muted)}.pricing-note{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:19px;color:var(--muted);font-size:9px;line-height:1.8}.pricing-note button{display:flex;align-items:center;gap:14px;color:var(--text);font-size:10px;padding:5px;white-space:nowrap}
.quickstart-section{background:#ffffff;border-block:1px solid var(--line)}.quickstart-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px;align-items:start;margin-top:27px}.quickstart-layout .section-description{max-width:350px}.steps{padding:0;margin:28px 0 18px;list-style:none}.steps li{display:flex;gap:17px;padding:13px 0}.steps li>span{display:flex;align-items:center;justify-content:center;width:29px;height:29px;flex:none;border:1px solid var(--line);background:#ffffff;color:var(--muted);font:8px var(--mono);border-radius:5px}.steps h3{font-size:13px;line-height:1.5;margin-bottom:4px}.steps p{font-size:10px;line-height:1.8;color:var(--muted)}.code-panel{border:1px solid var(--line);border-radius:9px;background:#ffffff;overflow:hidden;box-shadow:0 20px 70px #1d3f7a0b}.code-panel-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);min-height:48px;padding:0 18px;color:var(--muted);font:9px var(--mono)}.window-dots{display:flex;gap:5px}.window-dots i{width:5px;height:5px;border-radius:50%;background:#f0f5ff}.code-copy{width:24px;height:27px;color:var(--muted)}.code-copy:hover{color:var(--mint)}.code-copy svg{width:16px;height:16px}.code-options{display:flex;justify-content:space-between;gap:10px;padding:12px 17px 0}.code-protocol-tabs,.code-language-tabs{display:flex;gap:4px;align-items:center}.code-options button{font:8px var(--mono);padding:7px 8px;border-radius:4px;color:var(--muted)}.code-options button[aria-selected=true]{color:var(--accent);background:#2563eb0b}.code-language-tabs button[aria-selected=true]{color:var(--text);background:#2563eb55}.code-body{overflow:auto;padding:8px 23px 16px;min-height:288px;max-height:380px}.code-body pre{margin:0;font:9px/1.95 var(--mono);color:var(--text);tab-size:2}.code-body code .token-comment{color:var(--muted)}.code-body code .token-string{color:var(--accent)}.code-body code .token-keyword{color:var(--text)}.code-body code .token-function{color:var(--text)}.code-panel-bottom{display:flex;align-items:center;gap:7px;padding:14px 19px;border-top:1px solid var(--line);color:var(--muted);font:6.5px/1.7 var(--mono)}.code-panel-bottom .square-dot{width:3px;height:3px;background:#f0f5ff}
.faq-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px;align-items:start}.faq-layout h2{margin-top:27px}.faq-layout .text-link{margin-top:24px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;cursor:pointer;font-size:12px;font-weight:450;line-height:1.5}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span:last-child{font-family:var(--mono);font-size:18px;font-weight:300;color:var(--muted);transition:transform .2s}.faq-list details[open] summary>span:last-child{transform:rotate(45deg);color:var(--mint)}.faq-list details p{font-size:11px;line-height:1.95;color:var(--muted);padding:0 22px 23px 0;max-width:510px}.final-section{padding-bottom:80px}.final-cta{border:1px solid var(--line);background:radial-gradient(ellipse at 50% 125%,#2563eb35,transparent 66%),#ffffff;padding:57px 55px;border-radius:10px;overflow:hidden;position:relative}.final-cta-grid{position:absolute;inset:0;background-image:linear-gradient(#2563eb08 1px,transparent 1px),linear-gradient(90deg,#2563eb08 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent,black)}.final-cta .eyebrow{position:relative;font-size:8px;color:var(--accent)}.final-cta h2{position:relative;margin-top:17px;font-size:49px;line-height:1.2}.final-cta p{position:relative;margin-top:12px;font-size:13px;color:var(--accent)}.final-cta .button{position:relative;margin-top:28px}.cta-orbit{position:absolute;width:400px;height:400px;border-radius:50%;border:1px solid var(--line);right:40px;top:-15px;box-shadow:0 0 0 35px #1d3f7a01,0 0 0 36px #1d3f7a07,0 0 0 75px #1d3f7a01,0 0 0 76px #1d3f7a05;transform:rotateX(48deg) rotateZ(-25deg);pointer-events:none}.cta-orbit::after{content:'';position:absolute;width:7px;height:7px;top:82px;left:22px;background:#ffffff;border-radius:50%;box-shadow:0 0 25px #1d3f7a1f}.site-footer{padding-bottom:34px}.footer-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:26px;gap:25px}.site-footer .brand{font-size:20px}.site-footer .brand-symbol{width:25px;height:25px}.footer-links{display:flex;gap:28px;align-items:center;color:var(--muted);font-size:10px}.footer-links button{font-size:10px;padding:0}.footer-links a:hover,.footer-links button:hover{color:var(--mint)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:23px;color:var(--muted);font-size:8px}.footer-bottom p{font-size:7px;line-height:1.8;margin-top:7px}.footer-legal{display:flex;align-items:center;gap:20px}.footer-legal button{font-size:8px;padding:3px 0;color:var(--muted);white-space:nowrap}.preview-badge{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:6px!important;letter-spacing:.08em}.preview-badge>span:first-child{width:3px;height:3px;background:#f0f5ff}.floating-preview{display:flex;align-items:center;gap:8px;position:fixed;z-index:19;right:18px;bottom:16px;border:1px solid var(--line);border-radius:5px;background:#ffffffed;backdrop-filter:blur(10px);color:var(--muted);padding:8px 11px;font:8px var(--mono);box-shadow:0 3px 18px #1d3f7a10}.floating-preview:hover{border-color:var(--line);color:var(--mint)}.preview-indicator{width:4px;height:4px;border-radius:50%;background:#ffffff}
dialog{color:var(--text);border:1px solid var(--line);background:#ffffff;border-radius:13px;padding:0;max-height:88vh;box-shadow:0 35px 160px #1d3f7a1f}dialog::backdrop{background:#ffffffc4;backdrop-filter:blur(9px)}dialog[open]{animation:dialog-in .2s ease-out}.catalog-dialog{width:min(930px,calc(100% - 40px));overflow:hidden}.dialog-top{padding:29px 32px 21px;display:flex;justify-content:space-between;gap:20px}.dialog-top .eyebrow{font-size:8px;color:var(--muted)}.dialog-top h2{font-size:33px;margin-top:10px;letter-spacing:-.04em}.dialog-close{width:32px;height:32px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font:24px/1 var(--sans);flex:none}.dialog-close:hover{color:var(--mint);background:#ffffff}.catalog-controls{padding:0 32px 18px;border-bottom:1px solid var(--line)}.catalog-search{border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;gap:11px;padding:10px 12px;background:#ffffff}.catalog-search svg{width:16px;height:16px;flex:none;color:var(--muted)}.catalog-search input{width:100%;background:none;border:0;color:var(--text);font-size:12px;outline:none}.catalog-search input::placeholder{color:var(--muted)}.catalog-search:focus-within{border-color:var(--line)}.catalog-search input:focus-visible{outline:none}.catalog-filters{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:14px}.catalog-filters button{font-size:10px;padding:7px 12px;border:1px solid var(--line);border-radius:4px;color:var(--muted);transition:.15s}.catalog-filters button.selected{border-color:var(--line);background:#2563eb12;color:var(--accent)}.catalog-filters button:hover{color:var(--mint)}.catalog-table-scroll{max-height:42vh;overflow:auto;min-height:130px}.catalog-table{border-collapse:collapse;width:100%;font-size:11px;text-align:left;line-height:1.7}.catalog-table th{position:sticky;top:0;background:#ffffff;color:var(--muted);font:7px var(--mono);letter-spacing:.1em;padding:13px 15px;border-bottom:1px solid var(--line)}.catalog-table td{padding:13px 15px;border-bottom:1px solid var(--line);color:var(--text)}.catalog-table th:first-child,.catalog-table td:first-child{padding-left:32px}.catalog-table td:first-child{font-family:var(--mono);font-size:10px;color:var(--text);max-width:430px;overflow-wrap:anywhere}.catalog-table td:last-child{font-size:9px;color:var(--muted);white-space:nowrap;padding-right:32px}.catalog-table tbody tr:hover{background:#2563eb05}.catalog-dialog-footer{padding:16px 32px 20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:7px}.catalog-dialog-footer>span{font:8px var(--mono);color:var(--accent)}.catalog-dialog-footer p{font-size:9px;line-height:1.8;color:var(--muted)}.catalog-empty{text-align:center;padding:34px 20px;color:var(--muted);font-size:13px}.info-dialog{width:min(460px,calc(100% - 40px));padding:38px}.info-dialog>.dialog-close{position:absolute;right:18px;top:18px}.info-logo{width:45px;height:45px;border:1px solid var(--line);background:#2563eb0b;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--mint);font-size:26px;margin-bottom:24px}.info-dialog .eyebrow{font-size:8px;color:var(--accent);margin-bottom:14px}.info-dialog h2{font-size:31px;line-height:1.15;max-width:325px}.info-dialog p{font-size:12px;line-height:1.9;color:var(--muted);margin-top:17px}.info-dialog .button{margin-top:25px;min-height:41px}.toast{position:fixed;z-index:100;left:50%;bottom:38px;transform:translate(-50%,15px);padding:12px 20px;border:1px solid var(--line);background:#ffffff;border-radius:6px;color:var(--accent);box-shadow:0 7px 30px #1d3f7a1b;font-size:11px;opacity:0;pointer-events:none;transition:.25s}.toast.visible{opacity:1;transform:translate(-50%,0)}body.dialog-open{overflow:hidden}html[lang=zh-CN] h1{font-size:clamp(42px,5.9vw,75px);line-height:1.18;letter-spacing:-.04em}html[lang=zh-CN] h2{line-height:1.25;letter-spacing:-.025em}html[lang=zh-CN] .hero-description{max-width:370px;line-height:2}html[lang=zh-CN] .eyebrow{letter-spacing:.09em}html[lang=zh-CN] .platform-feature p,html[lang=zh-CN] .price-part p,html[lang=zh-CN] .faq-list details p{line-height:2}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes signal{0%{transform:translateY(0)}100%{transform:translateY(65px)}}@keyframes dialog-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero-inner{min-height:680px}.hero h1{font-size:83px}.orb-stage{margin-left:0;width:calc(100% + 80px)}}
@media(max-width:1150px){.section-shell{width:calc(100% - 64px)}.nav-shell{width:calc(100% - 56px)}.desktop-nav{gap:21px;margin-left:0}.nav-actions{gap:17px}.hero-inner{min-height:580px}.hero h1{font-size:6.1vw}.hero-copy>.eyebrow{font-size:8px}.hero-description{font-size:13px;max-width:330px}.orb-stage{width:calc(100% + 65px);margin-left:-25px}.hero-bottom{gap:25px}.provider-wordmarks{gap:17px}.provider-wordmarks b{font-size:13px}.provider-wordmarks>span{font-size:20px}.platform-layout,.quickstart-layout,.faq-layout{gap:55px}.section-space{padding-block:90px}.model-card{padding:22px 20px 0}.model-card p{font-size:10.5px}.diagram-providers>span{font-size:8px;padding:10px 9px;min-width:75px}.price-part{padding-inline:12px}.price-part h3{font-size:21px}.code-body pre{font-size:8.4px}.code-options{padding-inline:12px}.code-options button{padding:6px;font-size:7.5px}.cta-orbit{right:-20px}.micro-label{font-size:8px}}
@media(max-width:850px){.nav-shell{gap:20px}.desktop-nav{gap:17px}.desktop-nav a{font-size:10px}.brand{font-size:20px;gap:8px}.brand-symbol{width:27px;height:27px}.nav-actions{gap:15px}.login-button{display:none}.nav-cta{gap:15px}.hero-inner{min-height:510px;grid-template-columns:1.08fr 1fr}.hero h1{font-size:6.15vw}.hero-copy{padding-block:35px}.hero-description{font-size:12px;max-width:280px}.hero-copy>.eyebrow{font-size:6px;gap:8px;letter-spacing:.08em}.hero-copy>.eyebrow>.little-line{width:15px}.hero-actions{gap:8px}.hero-actions .button{padding:0 13px;gap:15px;min-height:43px;font-size:10px}.hero-footnotes{gap:9px;font-size:7px;line-height:1.5}.hero-footnotes>span{gap:4px}.orb-stage{width:calc(100% + 50px);margin-left:-13px}.orb-center svg{width:45px;height:45px}.orb-center span{font-size:5px}.orb-label{padding:8px 10px;gap:5px;font-size:8px}.node-plus{margin-left:8px}.orb-coordinate{font-size:5px}.hero-bottom{padding-block:20px;gap:23px}.hero-bottom-label{font-size:6px;max-width:75px}.provider-wordmarks{gap:10px}.provider-wordmarks>span{font-size:17px;gap:4px}.provider-wordmarks b{font-size:11px}.section-space{padding-block:77px}.platform-layout,.quickstart-layout,.faq-layout{gap:35px}.connection-panel-header{font-size:6px;padding-inline:14px}.demo-pill{font-size:5px;padding:4px}.diagram-workspace{padding-inline:12px}.diagram-providers>span{min-width:65px;font-size:7px;padding-inline:7px;gap:5px}.connection-panel-footer{font-size:5.5px;padding-inline:8px}.diagram-hub{width:165px}.section-description{font-size:12px;line-height:1.9}.model-card-grid{gap:10px}.model-card{padding:18px 16px 0}.model-card h3{font-size:23px}.model-card p{font-size:9px;min-height:48px}.model-vendor{font-size:6px}.model-card-bottom{font-size:6px}.model-type{font-size:5px}.model-card-top{margin-bottom:19px}.model-section-note{font-size:8px}.text-link{font-size:10px;gap:15px}.platform-feature h3{font-size:13px}.platform-feature p{font-size:10px}.price-part h3{font-size:18px}.price-part p{font-size:10px;min-height:55px}.pricing-breakdown{padding-inline:8px;grid-template-columns:1fr 15px 1fr 15px 1fr}.price-part{padding-inline:10px}.price-part-label{font-size:6px}.unit-label{font-size:5.5px}.pricing-note{font-size:7px}.code-options{flex-wrap:wrap;gap:3px}.code-body{padding-inline:15px;min-height:292px}.code-body pre{font-size:7px}.code-panel-bottom{font-size:5.5px;padding-inline:12px}.steps li{gap:12px}.steps h3{font-size:12px}.steps p{font-size:9px}.faq-list summary{font-size:11px;padding-block:20px}.faq-list details p{font-size:10px}.final-cta{padding:43px}.final-cta h2{font-size:43px}.cta-orbit{right:-95px;width:340px;height:340px;top:30px}.footer-bottom{gap:20px}.footer-links{gap:18px}.footer-legal{gap:12px}.micro-label{display:none}}
@media(max-width:640px){html{scroll-padding-top:82px}.site-header{height:68px}.nav-shell{width:calc(100% - 38px);gap:10px}.brand{font-size:20px;gap:8px}.brand-symbol{width:27px;height:27px}.desktop-nav{display:none}.nav-actions{gap:14px}.nav-cta{display:none}.language-button{font-size:10px}.menu-toggle{display:flex}.section-shell{width:calc(100% - 40px)}.section-space{padding-block:65px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;min-height:0}.hero-copy{padding:56px 0 0;position:relative;z-index:2}.hero-copy>.eyebrow{font-size:7px;letter-spacing:.1em;gap:8px;margin-bottom:22px}.hero-copy>.eyebrow .little-line{width:20px}.hero h1{font-size:clamp(36px,9.4vw,58px);line-height:1.08;letter-spacing:-.055em}.hero-description{font-size:12px;line-height:1.95;max-width:330px;margin-top:22px}.hero-actions{margin-top:26px;gap:10px}.hero-actions .button{min-height:45px;padding-inline:17px;font-size:11px;gap:20px}.hero-footnotes{margin-top:20px;font-size:7px;gap:12px}.hero-footnotes>span{gap:6px}.orb-stage{width:min(440px,calc(100% + 50px));align-self:center;margin:-12px -25px -8px;aspect-ratio:1/1;position:relative}.orb-center svg{width:49px;height:49px}.orb-center span{font-size:5px}.orb-label{font-size:8px;padding:9px 11px}.label-claude{left:5%;top:23%}.label-gpt{right:5%;top:33%}.label-deepseek{left:2%;bottom:26%}.label-qwen{right:9%;bottom:17%}.orb-coordinate{font-size:5.5px}.coordinate-top{top:12%;left:28%}.coordinate-bottom{bottom:5%;left:28%}.hero-bottom{flex-direction:column;gap:18px;padding:23px 0 27px;align-items:flex-start}.hero-bottom-label{max-width:unset;font-size:7px;letter-spacing:.12em}.provider-wordmarks{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:23px 15px;align-items:center}.provider-wordmarks>span{font-size:21px;gap:6px}.provider-wordmarks b{font-size:13px}.section-heading-row{display:block;margin-bottom:30px}.section-heading-row .text-link{margin-top:15px}h2{font-size:37px;line-height:1.13}.section-description{font-size:12px;margin-top:17px;max-width:325px}.section-topline{margin-bottom:20px}.eyebrow{font-size:8px;gap:8px;letter-spacing:.1em}.model-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.model-card{padding:17px 15px 0}.model-card-top{margin-bottom:22px}.model-icon{width:31px;height:31px;font-size:24px;border-radius:7px}.icon-deepseek{font-size:31px}.icon-glm,.icon-kimi{font-size:21px}.model-vendor{font-size:5px;letter-spacing:.11em;margin-bottom:6px}.model-card h3{font-size:23px;margin-bottom:11px}.model-card p{font-size:9px;line-height:1.85;min-height:54px;max-width:155px}.model-card-bottom{margin-top:21px;font-size:5.5px;padding-block:12px;gap:3px}.model-type{display:none}.model-section-note{gap:8px;padding-top:18px;font-size:8px;line-height:1.8}.model-section-note button{font-size:18px;padding-right:3px}.platform-layout{display:flex;flex-direction:column;align-items:stretch;gap:30px;margin-top:22px}.platform-copy>.section-description{max-width:325px;margin-bottom:22px}.platform-feature{max-width:none;gap:17px;padding-block:17px}.platform-feature h3{font-size:14px}.platform-feature p{font-size:10px;max-width:315px;line-height:1.9}.connection-panel{width:100%;max-width:460px;align-self:center}.connection-panel-header{font-size:7px;padding-inline:17px}.demo-pill{font-size:6px}.diagram-workspace{padding:28px 17px}.diagram-client{padding:10px 17px}.diagram-hub{width:181px;padding:17px}.diagram-hub strong{font-size:15px}.diagram-providers>span{font-size:8px;min-width:85px;padding:11px 10px}.connection-panel-footer{font-size:6.5px;padding-block:16px}.pricing-breakdown{display:flex;flex-direction:column;padding:0 24px;background:linear-gradient(150deg,#ffffff,#ffffff)}.price-part{padding:26px 0;position:relative;min-height:155px}.price-part-icon{position:absolute;right:0;top:27px;font-size:24px;margin:0}.price-part-label{font-size:7px}.price-part h3{font-size:25px;margin-top:10px}.price-part p{font-size:11px;max-width:270px;min-height:0}.unit-label{font-size:6px;margin-top:16px}.price-plus{font-size:15px;align-self:flex-start;height:1px;width:100%;background:#f0f5ff;justify-content:flex-end;color:var(--muted);overflow:visible}.price-plus::after{content:'';position:absolute;background:#ffffff;width:22px;height:22px;z-index:-1}.pricing-note{display:block;font-size:8px;line-height:1.9}.pricing-note button{margin-top:9px;font-size:10px}.quickstart-layout{display:flex;flex-direction:column;gap:35px;margin-top:22px}.quickstart-layout>div{width:100%}.steps{margin-top:20px;margin-bottom:12px}.steps h3{font-size:13px}.steps p{font-size:10px}.steps li{gap:16px;padding-block:12px}.steps li>span{width:29px;height:29px}.code-panel{width:100%}.code-options{flex-wrap:nowrap;padding:12px 13px 0;gap:4px}.code-options button{font-size:7px;padding:7px 6px}.code-protocol-tabs{gap:2px}.code-language-tabs{gap:2px}.code-body{padding:10px 18px 15px;min-height:300px;max-height:380px}.code-body pre{font-size:8.1px}.code-panel-top{padding-inline:15px;font-size:8px}.code-panel-bottom{font-size:5.5px;padding-inline:15px}.faq-layout{display:block}.faq-layout h2{margin-top:23px}.faq-layout .text-link{margin-top:16px;margin-bottom:26px}.faq-list summary{font-size:12px;padding-block:21px}.faq-list details p{font-size:11px;padding-right:15px}.final-section{padding-bottom:53px}.final-cta{padding:35px 25px}.final-cta h2{font-size:36px;max-width:300px}.final-cta .eyebrow{font-size:6px;letter-spacing:.08em}.final-cta p{font-size:10px;max-width:260px;line-height:1.9;margin-top:10px}.final-cta .button{margin-top:23px;font-size:10px;min-height:44px;gap:25px}.cta-orbit{width:260px;height:260px;right:-140px;top:90px;opacity:.6}.site-footer{padding-bottom:45px}.footer-top{flex-direction:column;align-items:flex-start;gap:24px;padding-bottom:23px}.footer-links{justify-content:space-between;width:100%;font-size:10px}.footer-bottom{align-items:flex-start;flex-direction:column;gap:20px;padding-top:20px;font-size:8px}.footer-bottom p{font-size:6.5px;max-width:300px;line-height:1.9}.footer-legal{gap:23px}.footer-legal button{font-size:8px}.floating-preview{right:11px;bottom:10px;font-size:7px;gap:6px;padding:7px 9px}.catalog-dialog{width:calc(100% - 24px);max-height:90vh}.dialog-top{padding:23px 20px 17px}.dialog-top .eyebrow{font-size:6px;letter-spacing:.07em}.dialog-top h2{font-size:25px;margin-top:10px}.catalog-controls{padding:0 20px 15px}.catalog-filters{gap:5px;margin-top:12px}.catalog-filters button{font-size:8px;padding:6px 9px}.catalog-search input{font-size:11px}.catalog-table-scroll{max-height:40vh}.catalog-table th:first-child,.catalog-table td:first-child{padding-left:20px}.catalog-table th{font-size:5px;padding:11px 8px}.catalog-table td{padding:11px 8px;font-size:8px}.catalog-table td:first-child{font-size:8px;min-width:175px}.catalog-table td:last-child{font-size:7px;padding-right:20px}.catalog-dialog-footer{padding:14px 20px 18px}.catalog-dialog-footer p{font-size:8px;line-height:1.9}.info-dialog{padding:34px 28px}.info-dialog h2{font-size:28px}.info-dialog p{font-size:12px}.toast{bottom:45px;width:max-content;max-width:calc(100% - 40px);text-align:center;font-size:10px}html[lang=zh-CN] h1{font-size:11.7vw;line-height:1.2}html[lang=zh-CN] h2{font-size:35px}html[lang=zh-CN] .model-card p{font-size:10px;min-height:57px}html[lang=zh-CN] .hero-description{max-width:300px;font-size:12px}html[lang=zh-CN] .model-card-bottom{font-size:5.5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.button:hover,.model-card:hover{transform:none}}

/* Official provider artwork:preserve aspect ratios and original colors. */
.provider-logo{display:block;object-fit:contain;flex:none}
.model-icon .provider-logo{width:27px;height:27px}
.model-icon.icon-openai{background:#ffffff}
.model-icon.icon-deepseek .provider-logo{width:30px;height:30px}
.orb-label>.provider-logo{width:16px;height:16px}
.provider-wordmarks .provider-logo{width:24px;height:24px}
.provider-wordmark-logo{display:block;width:108px;height:48px;object-fit:contain}
.diagram-providers .provider-logo{width:15px;height:15px}
.catalog-model-identity{display:flex;align-items:center;gap:11px;min-width:0}
.catalog-model-identity>.provider-logo{width:23px;height:23px}
.catalog-model-identity>span{min-width:0}
@media(max-width:680px){
  .model-icon .provider-logo{width:23px;height:23px}
  .model-icon.icon-deepseek .provider-logo{width:25px;height:25px}
  .provider-wordmarks .provider-logo{width:22px;height:22px}
  .provider-wordmark-logo{width:98px;height:44px}
  .catalog-model-identity{gap:8px}
  .catalog-model-identity>.provider-logo{width:20px;height:20px}
}

/* The official OpenAI SVG includes a generous transparent artboard. */
.provider-logo[src*="/openai.svg"]{transform:scale(2)}

/* VimuRoute light identity — cobalt, clear surfaces, restrained motion. */
::selection{background:#dbe7ff;color:#153773}
body{background:var(--bg)}
.site-header{background:#ffffffea;border-bottom-color:var(--line)}
.brand{color:var(--text)}
.desktop-nav a,.login-button,.language-button{color:var(--muted);font-size:13px}
.desktop-nav a:hover,.language-button:hover,.login-button:hover{color:var(--accent)}
.mobile-nav{background:#fffffffa;box-shadow:0 18px 30px #1d3f7a0c}
.button{font-size:14px;border-radius:8px;font-weight:600}
.button-small{font-size:12px}
.button-mint,.button-light{background:var(--accent);color:#fff;border-color:var(--accent)}
.button-mint:hover,.button-light:hover{background:var(--accent-hover);box-shadow:0 6px 20px #2563eb21}
.button-outline{color:#263b5b;background:#ffffffd9;border-color:#cad6e8}
.button-outline:hover{color:var(--accent);background:#f0f5ff;border-color:#a8c2f6}
.skip-link{color:#fff}
.hero{background:radial-gradient(ellipse at 81% 38%,#e9e8ff9c,transparent 44%),radial-gradient(ellipse at 57% 14%,#e4f0ffbd,transparent 50%),#fbfcff}
.hero-grid{opacity:.42;background-image:linear-gradient(#5576c20b 1px,transparent 1px),linear-gradient(90deg,#5576c20b 1px,transparent 1px)}
.hero h1{color:#16253e;font-weight:550}
.gradient-text{background:linear-gradient(110deg,#2563eb 10%,#3864d8 60%,#7357d9);background-clip:text;-webkit-background-clip:text;color:transparent}
.hero-description{color:#4c5e78;font-size:16px;max-width:410px}
.hero-copy>.eyebrow{color:#536b91;font-size:10px}
.hero-footnotes{font-size:11px;color:#596d89}
.hero-footnotes svg{color:var(--accent)}
.footnote-divider{background:#c5d3e8}
.orb-aura{background:radial-gradient(circle,#5f85ff24,#aaa0f413 48%,transparent 73%)}
.orb-center svg{color:var(--accent);filter:drop-shadow(0 4px 20px #2563eb28)}
.orb-center span{color:#526b97;font-size:8px;letter-spacing:.25em}
.orb-label{background:#fffffff0;border-color:#cfdcf1;box-shadow:0 8px 24px #24477e0b;color:#334764;font-size:11px;border-radius:8px}
.node-plus{color:#4d6da1}
.orb-coordinate{color:#546e98;font-size:8px}
.orbit-cross{color:#4f6ea0}
.square-dot{background:var(--accent)}
.hero-bottom{border-color:#dde5f2}
.hero-bottom-label{color:#5d6d89;font-size:9px}
.provider-wordmarks{color:#364763}
.models-section{border-color:var(--line)}
.eyebrow,.micro-label{color:#5d6d86;font-size:10px}
.section-description{font-size:16px;line-height:1.85}
.text-link{font-size:14px;color:#243c64}
.model-card{background:#fff;border-color:#dce4f0;border-radius:12px;box-shadow:0 3px 12px #223d7003;padding:26px 25px 0}
.model-card:hover{background:linear-gradient(135deg,#f6f9ff,#fff 72%);border-color:#a9c1f1;box-shadow:0 12px 30px #3158910e}
.model-icon,.model-icon.icon-openai{background:#f7f9fd;border-color:#e1e7f1;border-radius:10px;width:42px;height:42px}
.model-arrow{color:#556e92}
.model-vendor{font-size:10px;color:#5f6e86;letter-spacing:.1em}
.model-card h3{font-size:27px;color:#203451}
.model-card p{font-size:14px;line-height:1.8;color:#566780;max-width:290px;min-height:76px}
.model-card-bottom{font-size:10px;padding-block:16px;color:#526985;margin-top:24px}
.model-type{font-size:9px;color:#5c6e89}
.model-section-note{font-size:12px;line-height:1.8;color:#5b6e8b}
.model-section-note>.square-dot{background:#6285c6}
.platform-section{background:radial-gradient(ellipse at 79% 66%,#e7eeff80,transparent 55%),#f3f6fc;border-color:#e1e8f3}
.platform-feature{border-color:#dce4ef}
.platform-feature h3{font-size:17px}
.platform-feature p{font-size:14px;color:#536781;line-height:1.85;max-width:340px}
.feature-index{font-size:10px;color:#4d6ea1}
.connection-panel{background:#ffffffd9;border-color:#d3dff2;box-shadow:0 22px 50px #2c50880b;border-radius:14px}
.connection-panel::before{background-image:radial-gradient(#7891bf35 .8px,transparent .8px)}
.connection-panel-header{font-size:10px;color:#566e92}
.demo-pill{font-size:8px;background:#f5f8fe;color:#576e8f}
.tiny-route-icon{color:var(--accent)}
.diagram-client{background:#f9fbff;border-color:#d6e0f0}
.diagram-client strong{font-size:13px;color:#334c70}
.diagram-client div>span{font-size:9px;color:#586e8b}
.diagram-line,.diagram-branches i:nth-child(2){background:#9bb6e6}
.diagram-branches i{border-color:#9bb6e6}
.diagram-hub{border-color:#a9c2fa;background:linear-gradient(145deg,#f1f6ff,#eaf1ff);box-shadow:0 8px 24px #2563eb0c}
.diagram-hub strong{color:#244572}
.diagram-hub>span{color:#4c6da3;font-size:7px}
.diagram-providers>span{background:#fff;border-color:#d6e0f0;color:#415879;font-size:11px;min-width:98px}
.connection-panel-footer{font-size:9px;color:#5a6e8c}
.small-square{border-color:#7c9ad1}
.pricing-breakdown{background:#fff;border-radius:12px;padding-block:36px;box-shadow:0 4px 18px #24477e04}
.price-part-label{font-size:10px;color:#5b6e8b}
.price-part-icon{color:#466daf}
.price-part p{font-size:14px;color:#556983;line-height:1.85;min-height:78px}
.unit-label{font-size:9px;color:#586e8b}
.price-plus{color:#506f99}
.pricing-note{font-size:12px;color:#5d6d87}
.pricing-note button{font-size:13px;color:#315eaa}
.quickstart-section{background:#f3f6fc;border-color:#e1e8f3}
.steps h3{font-size:15px}
.steps p{font-size:13px;color:#566d8c;line-height:1.85}
.steps li{padding-block:16px}
.steps li>span{background:#eaf1ff;border-color:#c8d9f6;color:#365f9e;font-size:10px}
.code-panel{background:#fff;border-color:#d7e1f0;box-shadow:0 14px 35px #2546750a;border-radius:12px}
.code-panel-top{font-size:11px;color:#5a6e8b;background:#f9fbff}
.window-dots i{background:#bdcce2}
.code-options button{font-size:11px;padding:8px 10px;color:#5a6d8a}
.code-options button[aria-selected=true]{color:#2256af;background:#eaf1ff}
.code-language-tabs button[aria-selected=true]{color:#334f7b;background:#eef3fb}
.code-body{min-height:360px;max-height:490px;padding:17px 23px 23px}
.code-body pre{font-size:12px;line-height:1.85;color:#344b6e}
.code-body code .token-comment{color:#5c6d84}
.code-body code .token-string{color:#176953}
.code-body code .token-keyword{color:#7041ad}
.code-body code .token-function{color:#1d60aa}
.code-panel-bottom{font-size:10px;color:#596d8a;background:#fbfcff}
.faq-list summary{font-size:15px;font-weight:500;padding-block:25px;color:#2c4261}
.faq-list details p{font-size:14px;color:#566d88;line-height:1.85}
.final-cta{background:radial-gradient(ellipse at 83% 52%,#d8e6ff91,transparent 61%),linear-gradient(120deg,#eff5ff,#f7f6ff);border-color:#d4e0f3;border-radius:15px}
.final-cta h2{color:#1c3559}
.final-cta p{font-size:15px;color:#556e92}
.cta-orbit{border-color:#b2c8ed70}
.cta-orbit::before,.cta-orbit::after{border-color:#bdc8f17a}
.site-footer{border-color:var(--line);background:#f8fafc}
.footer-links{font-size:13px;color:#4e6484}
.footer-bottom{font-size:11px;color:#596e8b}
.footer-bottom p{font-size:10px;line-height:1.85;color:#5b6e88}
.footer-legal button{font-size:11px}
.floating-preview{background:#ffffffed;border-color:#d5e0f0;color:#586e8f;box-shadow:0 5px 20px #24477e0b;font-size:10px}
.floating-preview i{background:#6487cb}
.preview-mark{color:#4f6c9a}
.preview-dot{background:#6487cb}
.preview-badge{color:#45699e}
.dialog-close:hover{background:#edf3ff}
dialog{background:#fff;border-color:#cddbf0;box-shadow:0 25px 90px #17345b25}
dialog::backdrop{background:#182c4b49;backdrop-filter:blur(6px)}
.dialog-top .eyebrow,.info-dialog .eyebrow{font-size:10px;color:#526e96}
.catalog-search{background:#f8faff;border-color:#cad9ef}
.catalog-search input{font-size:14px;color:#213957}
.catalog-search input::placeholder{color:#5d6e86}
.catalog-search:focus-within{border-color:#739ce6;box-shadow:0 0 0 3px #2563eb0a}
.catalog-filters button{font-size:12px;color:#546d91;background:#fff;border-color:#d6e0ef}
.catalog-filters button.selected{background:#eaf1ff;color:#2257ae;border-color:#a6c2f2}
.catalog-table th{font-size:10px;background:#f4f7fc;color:#596e8e}
.catalog-table td{font-size:13px;color:#536b8c}
.catalog-table td:first-child{font-size:12px;color:#273f63}
.catalog-table td:last-child{font-size:11px;color:#5a6e8a}
.catalog-dialog-footer>span{font-size:10px;color:#466da5}
.catalog-dialog-footer p{font-size:12px;color:#5a6e8b}
.catalog-empty{font-size:13px;color:#5c6e88}
.info-dialog p{font-size:14px;line-height:1.85;color:#516b8d}
.toast{background:#fff;color:#214f9d;border-color:#b7cef4;box-shadow:0 7px 25px #24477e15}
@media(max-width:1000px){
  .platform-layout,.quickstart-layout,.faq-layout{gap:38px}
  .model-card{padding:22px 20px 0}
  .model-card p{font-size:13px;min-height:94px}
  .model-card-bottom{font-size:9px;gap:4px}
  .model-type{font-size:8px}
  .diagram-providers>span{font-size:10px;min-width:80px}
  .connection-panel-footer{font-size:8px}
  .price-part p{font-size:13px}
  .code-body pre{font-size:11px}
}
@media(max-width:900px){
  .desktop-nav{display:none}
  .menu-toggle{display:flex}
  .nav-actions{gap:17px}
  .mobile-nav[hidden]{display:none}
}
@media(max-width:640px){
  .hero-description,html[lang=zh-CN] .hero-description{font-size:15px;max-width:340px}
  .hero-copy>.eyebrow{font-size:9px}
  .hero-actions .button{font-size:13px;min-height:46px}
  .hero-footnotes{font-size:10px;gap:10px;line-height:1.7;flex-wrap:wrap}
  .orb-coordinate{font-size:7px}
  .orb-center span{font-size:7px}
  .orb-label{font-size:10px}
  .section-description{font-size:14px}
  .section-heading-row .text-link{font-size:13px}
  .eyebrow{font-size:9px}
  .hero-bottom-label{font-size:9px}
  .model-card{padding:22px 20px 0}
  .model-card p,html[lang=zh-CN] .model-card p{font-size:13px;min-height:80px;max-width:none}
  .model-vendor{font-size:9px}
  .model-card-bottom,html[lang=zh-CN] .model-card-bottom{font-size:9px}
  .model-section-note{font-size:11px;line-height:1.8}
  .platform-feature p{font-size:13px;max-width:340px}
  .connection-panel-header{font-size:9px}
  .demo-pill{font-size:7px}
  .diagram-client strong{font-size:12px}
  .diagram-providers>span{font-size:10px;min-width:85px}
  .pricing-breakdown{background:#fff}
  .price-part{min-height:190px;padding-block:28px}
  .price-part-label,.unit-label{font-size:9px}
  .price-part p{font-size:14px;min-height:0}
  .price-plus{background:#dce4f0;color:#526e98}
  .price-plus::after{background:#fff}
  .pricing-note{font-size:11px}
  .steps p{font-size:13px}
  .code-options button{font-size:10px}
  .code-body pre{font-size:11px}
  .code-panel-top{font-size:10px}
  .code-panel-bottom{font-size:9px}
  .faq-list summary{font-size:14px}
  .faq-list details p{font-size:13px}
  .final-cta .eyebrow{font-size:8px}
  .final-cta p{font-size:14px}
  .final-cta .button{font-size:13px}
  .footer-links{font-size:12px;flex-wrap:wrap;gap:18px}
  .footer-bottom,.footer-legal button{font-size:10px}
  .footer-bottom p{font-size:10px;max-width:320px}
  .catalog-table th{font-size:9px}
  .catalog-table td,.catalog-table td:first-child{font-size:11px}
  .catalog-table td:last-child{font-size:10px}
  .catalog-filters button{font-size:11px}
  .catalog-dialog-footer p{font-size:11px}
  html[lang=zh-CN] h1{font-size:clamp(36px,10vw,56px)}
}
@media(max-width:460px){
  .model-card-grid{grid-template-columns:1fr}
  .model-card p,html[lang=zh-CN] .model-card p{min-height:0;max-width:310px}
  .model-card h3{font-size:26px}
  .model-type{display:inline;font-size:9px}
  .model-card-bottom{margin-top:22px}
}

/* Interactive shortcuts around the decorative model ring. */
.orb-label{pointer-events:auto;cursor:pointer;min-height:44px;text-align:left;animation:none;transition:background .18s,border-color .18s,box-shadow .18s}
.orb-label:hover,.orb-label:focus-visible{background:#fff;border-color:#87a9e7;box-shadow:0 8px 25px #2563eb16}
.orb-label:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.orb-label:hover .node-plus,.orb-label:focus-visible .node-plus{color:var(--accent)}
.orb-label:active{background:#edf3ff;border-color:#5888db;box-shadow:0 3px 12px #2563eb12}

/* Phone dialogs scroll internally; long labels do not widen the viewport. */
@media(max-width:680px){
  #catalog-dialog,#info-dialog,#model-detail-dialog{max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow-y:auto}
  .footer-links,.footer-legal,.footer-bottom{flex-wrap:wrap}
  .site-footer a,.site-footer button{min-height:44px;display:inline-flex;align-items:center}
  .section-shell{min-width:0}
  .hero-actions{flex-wrap:wrap}
  .hero-actions .button{flex:1 1 190px;min-width:0;gap:12px;padding-inline:16px;justify-content:space-between;white-space:normal}
}

/* Typography refresh: deliberate hierarchy, comfortable reading, native fonts. */
body{font-size:16px;line-height:1.6;letter-spacing:normal}
button,input,select,textarea{font-family:var(--sans)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em}
h2{font-size:clamp(30px,3.2vw,42px);line-height:1.22}
h3{line-height:1.35;letter-spacing:-.012em}
.brand{font-weight:600;letter-spacing:-.035em}
.desktop-nav{gap:26px;margin-left:20px}
.desktop-nav a,.login-button,.language-button{font-size:14px;line-height:1.5}
.button{font-size:14px;font-weight:600;line-height:1.45;letter-spacing:0;gap:16px;padding:12px 20px;min-height:48px}
.button-small{font-size:13px;min-height:40px;padding:9px 15px}
.eyebrow,.micro-label,.hero-copy>.eyebrow,.hero-bottom-label,.model-vendor{font-family:var(--sans);font-size:11px;line-height:1.6;letter-spacing:.08em;font-weight:600}
.section-space{padding-block:88px}
.hero-inner{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);min-height:590px;gap:16px}
.hero-copy{padding-block:54px 60px}
.hero h1{font-size:clamp(40px,4.7vw,64px);line-height:1.14;letter-spacing:-.025em;font-weight:600;white-space:normal}
.hero-description{font-size:17px;line-height:1.75;max-width:440px;margin-top:24px}
.hero-footnotes{font-size:12px;line-height:1.6;gap:14px;flex-wrap:wrap}
.hero-actions{margin-top:28px}
.hero-actions .button{font-size:14px;min-height:48px}
.section-description{font-size:16px;line-height:1.8;max-width:55ch}
.model-card h3{font-size:25px;line-height:1.35}
.model-card p{font-size:15px;line-height:1.75;min-height:80px}
.model-card-bottom{font-family:var(--sans);font-size:12px;line-height:1.6;gap:10px;flex-wrap:wrap}
.model-type{font-family:var(--sans);font-size:11px;letter-spacing:.025em}
.platform-feature h3{font-size:18px}.platform-feature p{font-size:15px;line-height:1.8}
.price-part-label,.unit-label{font:500 12px/1.6 var(--sans);letter-spacing:.02em}
.price-part p{font-size:15px;line-height:1.75}
.steps h3{font-size:16px}.steps p{font-size:14px;line-height:1.8}
.faq-list summary{font-size:16px;line-height:1.6;font-weight:500}.faq-list details p{font-size:15px;line-height:1.8}
.final-cta h2{font-size:clamp(30px,3.2vw,42px);line-height:1.25;letter-spacing:-.02em}
.final-cta p{font-size:16px;line-height:1.8;max-width:52ch}
.footer-links{font-size:14px}.footer-bottom,.footer-bottom p,.footer-legal button{font-size:12px;line-height:1.7}
.catalog-table th{font:600 12px/1.5 var(--sans);letter-spacing:0}.catalog-table td,.catalog-table td:first-child{font-size:13px;line-height:1.6}
.catalog-filters button,.catalog-dialog-footer p{font-size:12px;line-height:1.6}
.code-body pre{font-size:13px;line-height:1.75;letter-spacing:0}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{letter-spacing:0}
html[lang=zh-CN] .hero h1{font-size:clamp(38px,4.5vw,60px);line-height:1.25}
html[lang=zh-CN] .hero-description{font-size:17px;line-height:1.9;max-width:27em}
html[lang=zh-CN] .model-card p{font-size:15px;line-height:1.85;min-height:80px}
@media(max-width:1100px) and (min-width:901px){.desktop-nav{gap:18px;margin-left:0}.nav-shell{gap:20px}.nav-actions{gap:14px}}
@media(max-width:900px){.section-shell{width:calc(100% - 48px)}.section-space{padding-block:64px}.hero-inner{gap:0}.hero h1{font-size:clamp(38px,5.7vw,52px)}}
@media(max-width:680px){
 body{font-size:15px}.section-shell{width:calc(100% - 40px)}.nav-shell{width:calc(100% - 32px);gap:14px}
 .section-space{padding-block:56px}.hero-inner{display:flex;flex-direction:column;min-height:0;align-items:stretch}
 .hero-copy{padding-block:44px 20px}.hero h1,html[lang=zh-CN] .hero h1{font-size:clamp(34px,8.5vw,48px);line-height:1.18;letter-spacing:-.02em}
 html[lang=zh-CN] .hero h1{letter-spacing:0;line-height:1.3}
 .hero-description,html[lang=zh-CN] .hero-description{font-size:16px;line-height:1.8;max-width:36ch;margin-top:20px}
 h2,html[lang=zh-CN] h2{font-size:30px;line-height:1.3;letter-spacing:-.015em}
 html[lang=zh-CN] h2{letter-spacing:0}.hero-copy>.eyebrow,.eyebrow{font-size:11px}
 .hero-actions .button{font-size:14px;min-height:48px;flex-basis:170px}.hero-footnotes{font-size:12px}
 .orb-stage{width:min(100%,440px);margin:0 auto;flex:none}.hero-bottom{padding-block:24px;gap:20px}.hero-bottom-label{font-size:11px}
 .model-card p,html[lang=zh-CN] .model-card p{font-size:15px;line-height:1.75;min-height:0}.model-card-bottom,html[lang=zh-CN] .model-card-bottom{font-size:12px}.model-type{font-size:11px}
 .model-card h3{font-size:24px}.model-vendor{font-size:11px}.model-section-note{font-size:12px}.section-description,.platform-feature p,.price-part p{font-size:15px}
 .steps p,.faq-list details p{font-size:14px}.faq-list summary{font-size:16px}.code-body pre{font-size:12px}.code-options{flex-wrap:wrap}.code-options button{font-size:12px}
 .final-cta h2{font-size:30px}.final-cta p{font-size:15px}.final-cta .eyebrow{font-size:10px}.final-cta .button{font-size:14px}
 .footer-links{font-size:14px}.footer-bottom,.footer-bottom p,.footer-legal button{font-size:12px}.catalog-table th{font-size:11px}.catalog-table td,.catalog-table td:first-child,.catalog-table td:last-child{font-size:12px}
}
@media(max-width:380px){.nav-actions{gap:11px}.nav-actions .button-small{padding-inline:10px;font-size:12px}.brand{font-size:20px}.language-button{font-size:12px}}

/* Navigation arrows use the existing decorative SVG family, never font glyphs. */
.vm-link-icon{width:16px;height:16px;vertical-align:-.2em}
.desktop-nav .vm-link-icon{width:14px;height:14px}

/* Section titles share the brand blue; descriptions retain their secondary color. */
.section-shell h2,
.console-page .panel-heading h2{color:var(--accent)}

/* Public UI audit: retain the current visual design while improving touch and focus. */
@media(max-width:900px),(pointer:coarse){
 .language-button,.menu-toggle{min-width:44px;min-height:44px;flex-shrink:0}
 .dialog-close{width:44px;height:44px;min-width:44px;min-height:44px}
}
@media(max-width:680px){
 .catalog-search input,input.rate-search{font-size:16px}
 .nav-actions{gap:8px}
 .nav-actions [data-product-signin] .vm-link-icon{display:none}
}
.catalog-search:focus-within{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:2px;box-shadow:none}

/* Supporting labels use the same readable rhythm as the main copy. */
.eyebrow,.micro-label,.hero-copy>.eyebrow,.section-topline .eyebrow,
.section-topline .micro-label,.dialog-top .eyebrow,.info-dialog .eyebrow{
 font:600 13px/1.6 var(--sans);letter-spacing:.015em;color:var(--muted)
}
.model-vendor{font:600 13px/1.6 var(--sans);letter-spacing:.015em}
.model-type{font:500 12px/1.5 var(--sans);letter-spacing:0}
.catalog-dialog-footer>span,.catalog-dialog-footer p{font:400 13px/1.7 var(--sans);letter-spacing:0;color:var(--muted)}
.catalog-filters button{font-size:13px;line-height:1.5;min-height:38px;padding:8px 12px}
@media(max-width:700px),(pointer:coarse){.catalog-filters button{min-height:44px}}
  

/* Small first top-up: informational plan, no checkout or amount selection. */
.small-start-entry,.small-start-panel{border:1px solid var(--accent-line);border-radius:12px;background:var(--panel);padding:28px;min-width:0}
.small-start-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 28px;align-items:center;margin-bottom:32px}
.small-start-status{display:inline-flex;align-items:center;min-height:30px;padding:4px 10px;border-radius:6px;background:var(--accent-soft);color:var(--accent-hover);font:600 13px/1.6 var(--sans);letter-spacing:0}
.small-start-entry h3{font:600 23px/1.35 var(--sans);letter-spacing:0;color:var(--accent);margin-top:12px}
.small-start-entry p,.small-start-copy p,.small-start-summary p{font:400 15px/1.8 var(--sans);letter-spacing:0;color:var(--muted);margin-top:12px;overflow-wrap:anywhere}
.small-start-entry .small-start-footnote{grid-column:1/-1;font-size:13px;margin-top:0}
.small-start-entry .button,.small-start-actions .button{white-space:normal;text-align:center;min-height:46px;font-size:14px;line-height:1.5}
.small-start-section{margin:12px 0 40px;scroll-margin-top:20px}
.small-start-panel{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(240px,1fr);gap:24px 36px}
.small-start-copy,.small-start-summary{min-width:0}
.small-start-copy h2{font:600 30px/1.3 var(--sans);letter-spacing:-.018em;margin-top:14px;color:var(--accent);max-width:24ch}
html[lang=zh-CN] .small-start-copy h2{letter-spacing:0}
.small-start-clause{display:inline-block}
.small-start-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.small-start-summary{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.small-start-summary h3{font:600 17px/1.5 var(--sans);letter-spacing:0}
.small-start-summary dl{margin:14px 0 0}
.small-start-summary dl>div{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:6px 14px;padding:12px 0;border-bottom:1px solid var(--line)}
.small-start-summary dt{font-size:14px;line-height:1.6;color:var(--muted)}
.small-start-summary dd{margin:0;font-size:15px;line-height:1.6;font-weight:600}
.small-start-summary p{font-size:14px}
.small-start-flow{grid-column:1/-1;border-top:1px solid var(--line);padding-top:10px;min-width:0}
.small-start-flow summary{cursor:pointer;min-height:48px;padding:12px 4px;font-size:15px;font-weight:600;line-height:1.6;overflow-wrap:anywhere}
.small-start-flow ol{margin:10px 0 0;padding-left:26px;color:var(--muted);font-size:15px;line-height:1.8}
.small-start-flow li{padding:4px 0 4px 4px;overflow-wrap:anywhere}
.small-start-entry .button:focus-visible,.small-start-section a:focus-visible,.small-start-flow summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
@media(max-width:760px){
 .small-start-entry,.small-start-panel{grid-template-columns:minmax(0,1fr);padding:22px;gap:20px}
 .small-start-entry>.button{justify-self:start}
 .small-start-copy h2{font-size:27px}
 .small-start-summary{padding:18px}
 .small-start-actions{flex-direction:column;align-items:stretch}
 .small-start-actions .button{width:100%;min-height:48px}
}
@media(prefers-reduced-motion:reduce){.small-start-entry .button,.small-start-actions .button{transition:none;transform:none}}

/* Published account service and honest access information. */
.service-information-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}
.service-information-card{padding:28px;border:1px solid var(--border);border-radius:12px;background:#fff}
.service-information-card h3{color:var(--accent);font-size:20px;line-height:1.4;font-weight:600}
.service-information-card p{font-size:15px;line-height:1.75;color:#52627a;margin:12px 0 18px}
.service-state-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0 0}
.service-state{min-width:0;padding:26px;border:1px solid var(--border);border-radius:12px;background:#fff}
.service-state dt{font-size:18px;line-height:1.5;font-weight:600;color:var(--accent)}
.service-state dd{margin:12px 0 0;font-size:15px;font-weight:600;color:#42536b}
.service-state p{font-size:15px;font-weight:400;line-height:1.75;margin:14px 0 18px;color:#52627a}
.service-state-ready{color:#256044;background:#edf8f2;padding:4px 10px;border-radius:6px;display:inline-block}
.service-state a,.service-information-card a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:500}
.hash-anchor{display:block;scroll-margin-top:110px}
.directory-controls{padding:24px 24px 0}
.launch-notice a{color:#1d4ed8;text-decoration:underline;text-underline-offset:3px}
.account-service-links{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:24px}
@media(max-width:900px){.service-state-grid{grid-template-columns:1fr}.service-state{padding:24px}}
@media(max-width:640px){.service-information-grid{grid-template-columns:1fr;gap:16px}.service-information-card{padding:24px}.directory-controls{padding:20px 18px 0}.service-information-card h3{font-size:19px}}
.code-copy{min-width:44px;min-height:44px}
.nav-actions .button-small,.console-page .button-small{min-height:44px}
body.console-page .button.button-small{min-height:44px}