
:root{--ink:#14233d;--muted:#68758b;--blue:#2458ef;--border:#e3e8f1;--paper:#f6f8fc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;background:#fff;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #91b4ff;outline-offset:4px}[hidden]{display:none!important}.wrap{max-width:1184px;margin:0 auto;padding-left:28px;padding-right:28px}header{height:88px;display:flex;align-items:center;justify-content:space-between;max-width:1240px;margin:auto;padding:0 28px;border-bottom:1px solid 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#204da329;transform:rotate(-8deg)}.doc-back{position:absolute;left:33%;top:15%;width:220px;height:288px;border:1px solid #bdd0ef;border-radius:10px;background:#e7efff;transform:rotate(7deg)}.doc-top{display:flex;justify-content:space-between;align-items:center}.mini-brand{font-size:14px;font-weight:750;color:var(--blue)}.doc-tag{font:9px Consolas,monospace;border:1px solid #d8e1f0;padding:2px 7px;border-radius:3px;color:#65748a}.doc-caption{font-size:9px;color:#8694aa;margin-top:30px}.doc-title{font-size:24px;font-weight:650;line-height:1.5;margin:8px 0 20px}.doc-lines i{display:block;height:4px;background:#e4eaf4;margin:8px 0;border-radius:5px}.doc-lines i:nth-child(2){width:85%}.doc-lines i:nth-child(3){width:60%}.doc-footer{border-top:1px solid #e3eaf5;margin-top:20px;padding-top:12px;display:flex;align-items:center;gap:12px;font:7px Consolas;color:#9ba8ba}.seal{display:flex;align-items:center;justify-content:center;color:#6588df;border:1px solid #b9caf0;border-radius:50%;height:28px;width:28px;font:14px Georgia}.floating-chip{position:absolute;display:flex;align-items:center;gap:10px;background:#ffffffed;border:1px solid #e2e9f6;border-radius:9px;padding:12px 14px;box-shadow:0 8px 22px #4d6d9d0d;font-size:12px;font-weight:600}.floating-chip>span{color:var(--blue);font-size:20px;line-height:1}.floating-chip i{font-size:9px;font-style:normal;color:#8b98af;font-weight:400}.chip-a{left:3%;top:27%}.chip-b{right:0;top:47%}.chip-c{left:13%;bottom:12%}.art-bottom{position:absolute;bottom:1px;left:25px;right:8px;font:8px Consolas;color:#7b91b2;letter-spacing:1px;display:flex;justify-content:space-between}.art-bottom span{font-family:inherit;letter-spacing:0}.principles{border-top:1px solid var(--border);display:flex;gap:40px;align-items:center;padding-top:25px;padding-bottom:30px;font-size:13px}.principles>span{font-size:11px;color:#8c97a8;margin-right:auto}.principles b{font-size:11px;color:#a4b0c2;font-weight:400}.resource-section{background:var(--paper);border-top:1px solid #eaf0f8;border-bottom:1px solid #eaf0f8;padding:70px 0 76px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px}h2{font-size:30px;letter-spacing:-.8px;line-height:1.45;margin:13px 0 0}.section-heading>p{color:var(--muted);font-size:12px;margin:0 0 3px}.resource-card{display:grid;grid-template-columns:1fr 1.05fr;background:#fff;border:1px solid #dfe6f2;border-radius:14px;overflow:hidden;box-shadow:0 6px 20px #1e355705}.resource-info{position:relative;background:linear-gradient(130deg,#e9effc,#f4f7ff);padding:40px 44px;overflow:hidden}.resource-info:after{content:'';width:250px;height:250px;border:1px solid #d8e2f8;position:absolute;right:-140px;top:80px;transform:rotate(35deg);pointer-events:none}.resource-tags{display:flex;gap:10px;font-size:10px;color:#5c7195}.resource-tags span{border:1px solid 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button{border:0;background:none;color:#647b9e;padding:0;font-size:9px;text-decoration:underline}.products{padding-top:78px;padding-bottom:67px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden}.product{padding:29px 28px}.product+.product{border-left:1px solid var(--border)}.product-top{display:flex;align-items:center;justify-content:space-between}.product-icon{width:42px;height:42px;border-radius:9px;background:#edf2ff;color:var(--blue);font-size:26px;display:flex;align-items:center;justify-content:center}.mint{background:#ecf7f5;color:#2d8d7b}.peach{background:#fff3eb;color:#c3814b}.badge{font-size:9px;color:#8a96a8;background:#f6f8fb;border:1px solid #e8edf4;border-radius:4px;padding:3px 7px}.product-kind{font-size:9px;color:#8190a7;letter-spacing:1px;margin-top:25px}.product h3{font-size:21px;font-weight:650;letter-spacing:-.5px;margin:8px 0 12px;white-space:nowrap}.product h3 span{font-size:13px;color:#8591a4;margin-left:7px;font-weight:400}.product h3+p{font-size:13px;font-weight:550;margin:0 0 10px}.product-detail{font-size:11px;color:#7a879c;line-height:1.95;min-height:65px}.product-bottom{margin-top:23px;padding-top:20px;border-top:1px solid var(--border);font-size:10px;color:#657792;display:flex;justify-content:space-between}.product-bottom span{color:#9cabc0}.value-line{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#8b97a8;margin-top:22px}.value-line p{color:#66768e}.value-line b{font-weight:400;padding:0 17px;color:#a9b5c7}.roadmap{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--border);padding-top:65px;padding-bottom:65px}.roadmap-title h2{font-size:32px;line-height:1.6}.roadmap-title>p{font-size:12px;line-height:1.9;color:#8290a5;margin-top:20px}.timeline{border-left:1px solid #e0e6f0;margin-left:15px;padding-left:31px}.timeline article{position:relative;padding-bottom:25px}.timeline 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var(--border);padding-top:25px;padding-bottom:28px}footer .brand{font-size:22px}footer>span{font-size:10px;color:#8a97aa}dialog{border:1px solid var(--border);border-radius:16px;padding:38px;max-width:440px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 30px 120px #0d1f4b26}dialog::backdrop{background:#10203c66;backdrop-filter:blur(4px)}dialog h2{font-size:25px}dialog p{font-size:13px;color:var(--muted);line-height:1.9}.dialog-close{position:absolute;right:15px;top:10px;border:0;background:none;color:#7b8da8;font-size:26px}.contact-status{padding:18px;background:#f4f7fd;border-radius:8px}#wecom-qr{display:block;object-fit:contain;margin:24px auto}.return-code{margin-top:12px}button:disabled{opacity:.5;cursor:wait;transform:none}
@media(min-width:1450px){.hero{min-height:650px}.hero h1{font-size:58px}}@media(max-width:960px){h1{font-size:43px}.hero{gap:12px}.hero-actions{gap:15px;flex-wrap:wrap}.doc-front,.doc-back{left:25%;width:190px}.chip-a{left:0}.floating-chip{padding:10px;font-size:10px}.chip-b{right:0;top:55%}.principles{gap:22px}.product{padding:25px 18px}.product h3{font-size:18px}.resource-info,.resource-access{padding:32px 27px}nav{gap:20px}.hero-note{flex-direction:column;gap:2px}.section-heading>p{max-width:270px}.closing{margin-left:28px;margin-right:28px}}@media(max-width:700px){header{height:72px;padding:0 20px}.brand{font-size:24px}.brand-icon{width:30px;height:30px;font-size:25px}.domain{font-size:10px;padding-left:10px;margin-left:2px}header nav{display:none}.nav-cta{font-size:11px}.nav-cta span{padding-left:5px}.wrap{padding-left:22px;padding-right:22px}.hero{grid-template-columns:1fr;padding-top:44px;padding-bottom:25px;gap:22px}.hero h1{font-size:43px;letter-spacing:-1.7px}.intro{font-size:14px}.hero-actions{gap:20px}.hero-note{flex-direction:row;font-size:9px;gap:10px;margin-top:22px}.hero-art{height:335px;max-width:430px;width:100%;margin:auto}.doc-front,.doc-back{width:184px;height:248px;top:10%;left:27%;padding:18px}.doc-back{left:32%}.doc-caption{margin-top:20px}.doc-title{font-size:21px;margin-bottom:13px}.doc-footer{margin-top:12px}.chip-a{top:24%}.chip-b{top:47%}.chip-c{bottom:9%;left:9%}.art-label{font-size:7px;top:0}.principles{flex-wrap:wrap;gap:10px 20px;justify-content:center;font-size:10px;padding-top:20px;padding-bottom:25px}.principles>span{width:100%;text-align:center;margin:0 0 7px}.resource-section{padding:44px 0}.section-heading{display:block;margin-bottom:24px}.section-heading>p{margin-top:12px;font-size:11px;max-width:none}h2{font-size:25px}.resource-card{grid-template-columns:1fr}.resource-info{padding:27px}.resource-number{margin-top:23px;font-size:40px}.resource-info h3{font-size:26px}.resource-meta{margin-top:22px}.resource-access{padding:28px 23px}.code-row{gap:6px}.code-row input{font-size:10px;padding:10px}.code-row .button{padding:10px}.products{padding-top:46px;padding-bottom:35px}.product-grid{grid-template-columns:1fr}.product{padding:24px}.product+.product{border-left:0;border-top:1px solid var(--border)}.product h3{font-size:23px}.product-kind{margin-top:19px}.product-detail{min-height:0;font-size:12px}.product-bottom{margin-top:18px;padding-top:15px}.value-line{flex-direction:column;align-items:flex-start;font-size:10px;gap:0}.value-line b{padding:0 7px}.roadmap{grid-template-columns:1fr;gap:30px;padding-top:36px;padding-bottom:35px}.roadmap-title h2{font-size:27px}.timeline{margin-left:5px}.closing{margin:10px 22px 36px;display:block;padding:24px}.closing h2{font-size:22px}.closing .button{margin-top:20px}footer{gap:14px;flex-wrap:wrap}footer>span:nth-child(2){display:none}dialog{padding:30px 25px}.desktop{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


/* Download-first landing pages */
header{position:sticky;top:0;z-index:10;background:#fffffff5;max-width:none;box-shadow:0 2px 14px #14233d08}.nav-cta{background:var(--blue);color:#fff;padding:10px 16px;border-radius:6px}.nav-cta span{color:#fff}.download-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding-top:40px;padding-bottom:44px}.download-hero h1{font-size:42px;letter-spacing:-1.5px;margin:14px 0 22px}.standard-label{font:600 22px Consolas,monospace;color:var(--blue);margin:22px 0 0}.download-hero .resource-access{border:1px solid #d3dff7;border-top:4px solid var(--blue);border-radius:13px;box-shadow:0 12px 40px #2458ef10;padding:25px 30px;background:#fff}.download-hero .steps{margin:20px 0;gap:10px}.download-hero .access-heading h2{font-size:23px;margin:0}.download-hero .hero-actions{gap:10px;flex-wrap:wrap;margin-top:24px}.download-hero .button{font-size:14px}.download-conditions{font-size:12px;color:#68758b;line-height:1.9;margin:20px 0 12px}.download-hero .smallprint{font-size:11px}.reading{max-width:1000px}.reading>p{font-size:15px;color:#586a84;line-height:1.95}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:28px 0}.facts>div{background:#fff;border:1px solid var(--border);padding:18px;border-radius:9px}.facts dt{font-size:12px;color:var(--muted)}.facts dd{margin:6px 0 0;font-weight:600;font-size:15px}.reading .source-note{font-size:12px}.reading a:not(.button){color:var(--blue);text-decoration:underline;text-underline-offset:3px}.reading details{border-bottom:1px solid var(--border);padding:18px 0}.reading summary{font-size:16px;font-weight:600;cursor:pointer}.reading details p{font-size:14px;color:#586a84;line-height:1.9}.follow-actions{display:flex;flex-wrap:wrap;gap:10px}.breadcrumb{padding-top:22px;color:#7b8da8;font-size:12px}.updates-page{padding-top:55px;padding-bottom:75px}.updates-page h1{font-size:44px}.subscribe-card{background:var(--paper);padding:28px;border-radius:12px;margin:30px 0}.subscribe-card h2{margin-top:0}.subscribe-card code{overflow-wrap:anywhere}.update-entry{padding:30px 0;border-bottom:1px solid var(--border)}.update-entry time{color:var(--blue);font-size:12px}.download-dock{display:none}.resource-section{padding:48px 0}.source-note a{overflow-wrap:anywhere}footer a:not(.brand){font-size:12px;color:var(--muted)}#download-form,#download{scroll-margin-top:105px}@media(max-width:800px){.download-hero{grid-template-columns:1fr;gap:25px;padding-top:28px}.download-hero h1{font-size:35px}.download-hero .resource-access{padding:24px}.download-hero .intro{font-size:14px}.facts{grid-template-columns:1fr 1fr}.download-dock{display:block;position:fixed;z-index:9;bottom:0;left:0;right:0;text-align:center;background:var(--blue);color:#fff;padding:13px 12px calc(13px + env(safe-area-inset-bottom));font-size:14px;font-weight:650;box-shadow:0 -3px 15px #14233d16}body{padding-bottom:64px}.updates-page h1{font-size:36px}.follow-actions{margin-top:18px}footer{padding-bottom:25px}.nav-cta{padding:8px 10px}.standard-label{font-size:19px}.download-hero .hero-actions .button{padding:12px 14px}.download-hero .smallprint{margin-bottom:0}}
