/* Colors and typography follow the live popqr.cn interface. */
:root{
 --pop-ink:#1d1d1f;--pop-muted:#64646e;--pop-bg:#f2f2f7;--pop-line:#dedee5;--pop-blue:#0071e3;
 --md-primary-fg-color:#f7f7fa;--md-primary-bg-color:#1d1d1f;--md-accent-fg-color:#0071e3;
 --md-default-bg-color:#f2f2f7;--md-default-fg-color:#1d1d1f;--md-default-fg-color--light:#64646e;
 --md-typeset-a-color:#0067cf;--md-code-bg-color:#f4f5f8;
 --md-text-font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
 --md-code-font:Consolas,"SFMono-Regular",monospace;
}
/* html{zoom:1.1} */
body{font-family:var(--md-text-font);-webkit-font-smoothing:antialiased;}
.md-grid{max-width:1260px}
.md-header{color:var(--pop-ink);background:rgba(242,242,247,.94);padding:16px 24px 16px;box-shadow:none;backdrop-filter:blur(16px)}
@keyframes pop-header-pad{from{padding-bottom:16px}to{padding-bottom:0}}
.md-header{animation:pop-header-pad linear both;animation-timeline:scroll(root);animation-range:0 140px}
@supports not (animation-timeline:scroll()){.md-header{transition:padding-bottom .25s ease}body.pop-scrolled>.md-header{padding-bottom:0}}
.md-header__inner{padding:8px 20px;background:rgba(255,255,255,.75);border:1px solid #d9d9e0;border-radius:18px;min-height:58px;box-shadow:0 4px 14px #17172d06}
.help-brand{display:flex;align-items:center;gap:9px;white-space:nowrap;color:var(--pop-ink)}
.help-brand strong{font-size:18px;letter-spacing:-.5px}
.help-brand>span{border-left:1px solid #d7d7df;margin-left:8px;padding-left:17px;font-size:13px;color:var(--pop-muted)}
.header-spacer{flex:1}
.header-link{font-size:13px;color:var(--pop-muted);margin-right:24px;white-space:nowrap}
.header-link:hover{color:var(--pop-blue)}
.header-cta{margin-left:16px;background:#262628;color:#fff;border-radius:100px;padding:8px 16px;font-size:13px;font-weight:600;white-space:nowrap;box-shadow:inset 0 1px 2px #ffffff50,0 2px 3px #0002}
.header-cta:hover{background:#0071e3}
.header-cta span{margin-left:8px}
.md-search__form{border-radius:9px;background:#eaeaf0;color:#4a4a55}
.md-search__input::placeholder{color:#64646e}
.md-search__input{font-size:13px}
.md-search__input+.md-search__icon{color:#64646e}
.md-search-result__link{color:var(--pop-ink)}
.md-tabs{background:transparent;color:#666671;border-bottom:1px solid var(--pop-line);padding:0 24px;margin:8px 0 0}
.md-tabs__list{gap:10px}
.md-tabs__item{height:48px}
.md-tabs__link{font-size:13px;opacity:1;margin-top:16px;position:relative;padding-bottom:15px}
.md-tabs__item--active .md-tabs__link{color:var(--pop-ink);font-weight:650}
.md-tabs__item--active .md-tabs__link:after{content:"";height:2px;position:absolute;bottom:0;left:0;right:0;background:#0071e3}
.md-main__inner{margin-top:32px}
.md-content{min-width:0}
.md-content__inner{margin:0 22px 40px;padding:34px 38px 28px;background:white;border:1px solid #e2e2e9;border-radius:20px;box-shadow:0 3px 14px #17172d03}
.md-content:has(.help-home) .md-content__inner{padding:0;margin:0 0 54px;border:0;background:none;box-shadow:none}
.md-typeset{font-size:15px;line-height:1.85}
.md-typeset h1{font-size:32px;letter-spacing:-1px;line-height:1.35;font-weight:750;color:var(--pop-ink);margin:0 0 22px}
.md-typeset h2{font-size:23px;font-weight:700;letter-spacing:-.5px;line-height:1.5;margin-top:40px}
.md-typeset h3{font-size:18px;line-height:1.6;font-weight:650}
.md-typeset p{margin:14px 0}
.md-typeset a:not(.headerlink):not(.screenshot-link):not(.read-next):not(.button-primary):not(.button-secondary){color:#0067cf!important;text-decoration-color:#9bc8f3}
.md-typeset a:not(.headerlink):not(.screenshot-link):not(.read-next):not(.button-primary):not(.button-secondary):hover{color:#004f9f!important}
.md-typeset .task-card,.md-typeset .task-card:hover,.md-typeset .tutorial-card,.md-typeset .tutorial-card:hover,.md-typeset .scenario-grid>a,.md-typeset .scenario-grid>a:hover{color:inherit!important;text-decoration:none}
.md-typeset .article-support a{color:#0067cf!important}
.md-typeset a.read-next{display:inline-flex;color:#0067cf!important}
.md-typeset a.read-next:hover{color:#004f9f!important}
.md-typeset .headerlink{color:#8cabc9}
.md-typeset h1 .headerlink,.help-home .headerlink{display:none}
.md-typeset table:not([class]){font-size:13px;border:1px solid #dddfe6;border-radius:10px;overflow:hidden;box-shadow:none}
.md-typeset table:not([class]) th{background:#f5f6f9;font-weight:650;min-width:5rem}
.md-typeset table:not([class]) td,.md-typeset table:not([class]) th{padding:12px 15px}
.md-typeset .admonition,.md-typeset details{font-size:14px;border-radius:10px;box-shadow:none;border-width:1px}
.md-typeset .admonition-title,.md-typeset summary{padding-top:10px;padding-bottom:10px}
.md-typeset code{font-size:.88em}
.md-typeset pre{border-radius:10px;border:1px solid var(--pop-line);overflow:hidden}
.md-sidebar--primary{width:225px}
.md-sidebar--secondary{width:190px}
.md-nav{font-size:13px}
.md-nav__item .md-nav__link{margin-top:0;padding:8px 10px;border-radius:7px}
.md-nav__link.md-nav__link--active{background:#e4effe;color:#005fbf;font-weight:650}
.md-nav__link:hover{color:#0067cf}
.md-nav--secondary .md-nav__link{padding:5px 10px}
.md-nav__title{padding:0 10px 12px;font-weight:650;color:#777782;background:#ffffff!important;box-shadow:none!important}
.md-nav--primary>.md-nav__list>.md-nav__item--section>.md-nav__link{color:#555560;font-size:12px;margin-top:18px}
.article-eyebrow{font-size:10px;letter-spacing:1.6px;color:#0071e3;font-weight:700;margin-bottom:12px}
.article-eyebrow span{letter-spacing:0;color:#898992;margin-left:10px;font-weight:400}
.article-lead{font-size:16px;color:#686872;margin-bottom:24px}
.guide-meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 24px}
.guide-meta span{border:1px solid #e6e6ed;background:#f7f8fa;border-radius:6px;padding:2px 9px;color:#666672;font-size:12px}
.md-typeset figure{max-width:100%;margin:24px 0}
.md-typeset figure img{display:block;width:100%;border:1px solid var(--pop-line);border-radius:12px;background:#f4f4f7}
.md-typeset .anim-demo-card{background:#fff;padding:13px;border-radius:19px;border:1px solid #dddfe7;box-shadow:0 18px 32px #28284415;width:50%;margin:24px auto;transform:rotate(10deg)}
.md-typeset .anim-demo-card video{display:block;width:100%;height:auto;border-radius:9px;background:#f4f4f7}
.md-typeset .anim-demo-card span{font-size:10px;color:#74747f;display:flex;justify-content:center;gap:5px;align-items:center;margin-top:10px}
.md-typeset figcaption{font-size:12px;color:#777783;font-style:normal;max-width:100%;margin:10px 0 0;text-align:left;line-height:1.6}
.screenshot-link{display:block;cursor:zoom-in}
.screenshot-link:focus-visible{outline:3px solid #0071e3;outline-offset:4px;border-radius:12px}
.figure-split{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.article-support{margin-top:48px;padding:22px 0 10px;border-top:1px solid var(--pop-line);display:flex;gap:15px;align-items:center;justify-content:space-between}
.article-support strong{font-size:15px}
.article-support p{margin:5px 0;font-size:13px;color:#777783}
.article-support a{font-size:13px;white-space:nowrap}
.md-typeset .article-date{font-size:11px;color:#85858e;margin-top:18px}
.flow-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.flow-strip>div{border:1px solid #e0e6f0;border-radius:12px;padding:16px;background:#f5f8fc}
.flow-strip b{display:block;color:#0067cf;font-size:12px;margin-bottom:7px}
.flow-strip strong{font-size:15px;display:block}
.flow-strip p{font-size:13px;margin:5px 0 0;color:#686875}
.read-next{display:inline-flex;gap:10px;padding:11px 16px;border:1px solid #dbe4ee;border-radius:9px;margin-top:24px;font-weight:550;font-size:14px}
.help-footer{border-top:1px solid #dddde5;padding:28px 24px;color:#777780;font-size:12px}
.help-footer>.md-grid{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:auto}
.help-footer a{margin-left:24px;color:#64646f}
/* Homepage */
.home-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;min-height:390px;padding:30px 36px 20px}
.eyebrow{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:1.8px;font-weight:700;color:#646474;margin-bottom:22px}
.eyebrow>span,.blue-dot{width:6px;height:6px;border-radius:50%;background:#0071e3;display:inline-block}
.hero-copy h1{font-size:48px;font-weight:780;line-height:1.25;letter-spacing:-2px;margin:0 0 20px}
.hero-copy h1>span{position:relative;z-index:0}
.hero-copy h1>span:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:12px;background:#d5e7ff;z-index:-1}
.hero-copy>p{font-size:15px;line-height:1.85;color:#666672;margin:0}
.hero-actions{display:flex;align-items:center;gap:18px;margin:24px 0 16px}
.hero-actions p{display:contents}
.button-primary{display:inline-flex;align-items:center;gap:18px;background:#222224;border:1px solid #222224;border-radius:10px;padding:11px 18px;color:white!important;font-size:13px;font-weight:600;box-shadow:0 3px 8px #00000012}
.button-primary:hover,.button-primary:focus,.button-primary:focus-visible{background:#0071e3;border-color:#0071e3;color:#fff!important}
.button-secondary{font-size:13px;color:#63636e!important;padding:10px 0}
.hero-note{color:#767682;font-size:11px;display:flex;align-items:center;gap:10px}
.hero-note i{width:3px;height:3px;background:#b1b1bb;border-radius:50%}
.hero-visual{position:relative;height:360px;isolation:isolate}
.visual-grid{position:absolute;inset:10px;background-image:radial-gradient(#c9cbd5 1px,transparent 1px);background-size:19px 19px;mask-image:radial-gradient(ellipse,#000 25%,transparent 72%)}
.qr-card{position:absolute;background:#fff;padding:13px;border-radius:19px;border:1px solid #dddfe7;box-shadow:0 18px 32px #28284415;width:227px;will-change:auto}
.qr-card img{width:100%;height:auto;display:block;border-radius:9px;aspect-ratio:1}
.qr-card>span{font-size:10px;color:#74747f;display:flex;justify-content:center;gap:5px;align-items:center;margin-top:10px}
.qr-card span b{color:#222;font-size:11px}
.qr-card-front{left:6%;top:63px;transform:rotate(-9deg);z-index:2}
.qr-card-back{left:44%;top:22px;transform:rotate(10deg)}
.visual-chip{position:absolute;bottom:6px;left:38%;background:#fff;border:1px solid #e2e2e9;padding:9px 14px;border-radius:30px;font-size:11px;box-shadow:0 7px 15px #19192709;z-index:3;white-space:nowrap;display:flex;align-items:center;gap:7px}
.visual-cross{position:absolute;color:#9babc1;font-size:24px}
.cross-one{top:12px;left:12%}.cross-two{right:4%;bottom:55px}
.home-search{max-width:980px;margin:18px auto 45px}
.search-trigger{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #dddde6;border-radius:14px;width:100%;padding:17px 21px;cursor:pointer;text-align:left;box-shadow:0 4px 12px #00000003;color:#777782;font:inherit;font-size:14px}
.search-trigger:hover{border-color:#83b8f0}
.search-trigger svg{width:22px;height:22px;color:#888996;flex-shrink:0}
.search-trigger kbd{margin-left:auto;font-family:inherit;color:#94949f;border:1px solid #e4e4ea;padding:0 7px;border-radius:4px;font-size:12px}
.popular-search{display:flex;align-items:center;justify-content:center;gap:18px;font-size:11px;color:#83838e;margin-top:13px;flex-wrap:wrap}
.popular-search a{color:#686874}
.popular-search a:hover{color:#0071e3}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 22px}
.section-kicker{color:#767684;font-size:9px;font-weight:650;letter-spacing:1.7px}
.section-heading h2,.learning-path h2{margin:7px 0 0;font-size:26px;font-weight:720;line-height:1.4}
.section-heading>a,.section-note{font-size:12px;color:#72727f;margin-bottom:4px}
.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:48px}
.task-card{display:block;background:#fff;border:1px solid #e0e0e8;border-radius:16px;padding:23px 25px 17px;color:inherit!important;transition:border-color .18s,transform .18s,box-shadow .18s}
.task-card:hover{border-color:#a5c9ef;transform:translateY(-3px);box-shadow:0 10px 24px #19375d09}
.task-icon{display:grid;place-items:center;width:38px;height:38px;border:1px solid #d9e6f7;background:#eef5fe;border-radius:11px;color:#0071e3;margin-bottom:17px}
.task-icon svg{height:20px;width:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.task-card h3{font-size:16px;letter-spacing:-.3px;margin:0 0 8px}
.task-card h3 em{font-size:9px;font-style:normal;font-weight:550;background:#fcecf1;color:#d63060;border-radius:4px;padding:2px 4px;margin-left:4px;vertical-align:middle}
.task-card p{font-size:13px;line-height:1.8;margin:0 0 19px;color:#71717d}
.card-bottom{padding-top:13px;border-top:1px solid #efeff4;display:flex;justify-content:space-between;font-size:11px;color:#82828e}
.card-bottom b{font-size:15px;font-weight:400;color:#62626d}
.learning-path{background:#e9eff8;border:1px solid #dce4f0;border-radius:18px;padding:22px 24px;display:grid;grid-template-columns:0.9fr 3.1fr;gap:24px;margin-bottom:48px}
.learning-path h2{font-size:23px}
.learning-path a{font-size:11px;display:inline-block;margin-top:15px;color:#0067cf}
.learning-path ol{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;list-style:none;padding:0!important;margin:0!important;margin-inline-start:0!important;width:100%;min-width:0;gap:12px;align-items:stretch}
.learning-path li{margin:0!important;padding:16px 17px!important;position:relative;background:rgba(255,255,255,.68);border:1px solid rgba(207,219,235,.9);border-radius:12px}
.learning-path li>span{font-size:12px;color:#0071e3;font-weight:650}
.learning-path li:not(:last-child):after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);font-size:14px;color:#8ca2bd;z-index:2}
.learning-path h3{margin:8px 0 5px;font-size:15px}
.learning-path p{font-size:12px;color:#6c7481;line-height:1.8;margin:0}
.tutorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:48px}
.tutorial-card{border:1px solid #dddfe7;overflow:hidden;background:#fff;border-radius:16px;color:inherit!important}
.tutorial-card{display:block}
.tutorial-cover,.tutorial-body{display:block}
.tutorial-title{display:block;font-size:17px;margin:6px 0;font-weight:650;line-height:1.45}
.tutorial-title>span{float:right;color:#9b9ba6;font-size:16px;font-weight:400}
.tutorial-description{display:block;font-size:12px;color:#777783;margin:0;line-height:1.6}
.tutorial-cover{height:235px;position:relative;overflow:hidden}
.tutorial-cover>span{position:absolute;top:18px;left:20px;font-size:9px;letter-spacing:1.5px;color:#65758c;font-weight:650}
.image-cover{background:radial-gradient(ellipse at center,#fff,#e9eef5)}
.image-cover img{width:225px;height:225px;object-fit:contain;transform:rotate(-8deg);display:block;margin:23px auto;border:9px solid white;border-radius:15px;box-shadow:0 12px 20px #17335220;transition:transform .25s}
.tutorial-card:hover .image-cover img{transform:rotate(-3deg) translateY(-4px)}
.screen-cover{background:#e6edf6;padding:34px 28px 0}
.screen-cover img{width:100%;height:auto;display:block;min-height:100%;object-fit:cover;object-position:left top;border-radius:8px;border:1px solid #d5dbe5;box-shadow:0 9px 20px #19345413}
.tutorial-body{padding:21px 24px}
.tutorial-body small{font-size:11px;color:#82828e}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}
.scenario-grid>a{padding:19px 23px;background:rgba(255,255,255,.6);border:1px solid #e0e0e8;border-radius:12px;color:inherit}
.scenario-grid>a:hover{background:#fff}
.scenario-grid span{font-size:9px;letter-spacing:1px;color:#868695}
.scenario-grid h3{margin:9px 0 3px;font-size:15px}
.scenario-grid p{font-size:12px;color:#7a7a85;margin:0}
.home-faq{margin-bottom:38px}
.home-faq details{border:1px solid #dedee6!important;background:#fff;margin:10px 0!important;box-shadow:none}
.home-faq summary{background:#fff!important;font-size:14px;font-weight:500}
.home-faq summary:before{background-color:#8190a3!important}
.home-faq details p{font-size:13px;color:#666671}
.support-banner{background:#fff;border:1px solid #dddde5;border-radius:15px;padding:23px 27px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.support-banner>div{display:flex;align-items:center;gap:16px}
.support-icon{width:40px;height:40px;display:grid;place-items:center;border:1.5px solid #373741;border-radius:50%;font-size:22px;color:#373741}
.support-banner h2{font-size:17px;margin:0}
.support-banner p{font-size:12px;color:#84848e;margin:4px 0 0}
.support-banner>a{font-size:12px;border:1px solid #dbdbe3;padding:9px 17px;border-radius:9px;color:#292932}
.support-banner>a:hover{border-color:#0071e3;color:#0071e3}
/* Native dialog: keyboard-accessible screenshot enlargement */
.image-dialog{border:1px solid #cfd3df;border-radius:14px;padding:45px 18px 18px;max-width:94vw;max-height:94vh;background:#f6f7fa}
.image-dialog::backdrop{background:#151924bb;backdrop-filter:blur(5px)}
.image-dialog img{display:block;max-width:88vw;max-height:78vh;object-fit:contain;margin:auto}
.image-dialog p{font-size:12px;text-align:center;color:#5f6572;margin:12px 0 0}
.image-dialog button{position:absolute;right:14px;top:10px;font-size:13px;padding:4px 10px;cursor:pointer;border:1px solid #d4d6de;border-radius:6px;background:#fff}
body:has(.image-dialog[open]){overflow:hidden}
:focus-visible{outline:2px solid #0071e3;outline-offset:3px}
@media(min-width:1220px){.md-search__inner{width:220px}.md-search__input{padding-left:38px}}
@media(max-width:1300px){.help-home{padding:0 28px}.home-hero{padding-left:8px;padding-right:8px}.hero-copy h1{font-size:44px}}
@media(max-width:1219px){.md-header__inner{padding-left:10px}.md-sidebar--primary{width:242px}.md-sidebar--primary .md-nav__title{background:#f2f2f7!important}.md-content__inner{margin-left:18px;margin-right:18px}.md-nav--primary .md-nav__title{height:auto}.header-link{margin-right:20px}}
@media(max-width:960px){.header-link{display:none}.hero-copy h1{font-size:38px}.home-hero{grid-template-columns:1.1fr .9fr;gap:8px}.qr-card{width:180px}.qr-card-back{left:39%}.qr-card-front{top:85px;left:0}.hero-visual{height:315px}.visual-chip{left:14%;bottom:0}.task-card{padding:20px}.task-card p br{display:none}.learning-path{grid-template-columns:1fr 2.8fr;gap:20px;padding:25px}.learning-path p br{display:none}.md-content__inner{padding:28px}.md-typeset h1{font-size:29px}.md-sidebar--secondary{width:175px}.header-cta{margin-left:12px}}
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@media(max-width:380px){.help-brand>span{display:none}.hero-copy h1{font-size:37px}.hero-actions{gap:12px}.button-primary{font-size:12px;padding:10px 12px;gap:10px}.hero-visual{height:265px}.qr-card{width:167px}.qr-card-back{left:44%}.visual-chip{font-size:10px;left:32%}.task-grid,.tutorial-grid{grid-template-columns:1fr}.learning-path ol{grid-template-columns:1fr!important;gap:12px}.learning-path li:after{display:none}.learning-path li>span{float:left;margin-right:12px}.learning-path h3{margin:0 0 5px}.flow-strip{grid-template-columns:1fr}}
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