/* One website system: a shared reading width, restrained surfaces and a clear service path. */
:root{--site-width:1240px;--ink:#202a3c;--muted:#657185;--blue:#3263e8;--line:#e5eaf1}
body{font-family:'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink)}
.shell,.home-page .shell,.home-page .capabilities .shell,.site-header .header-row{width:calc(100% - 80px);max-width:var(--site-width);margin-left:auto;margin-right:auto}
.site-header{box-shadow:none;border-bottom:1px solid var(--line)}
.site-header .header-row{height:82px;grid-template-columns:178px minmax(0,1fr) 139px 158px;gap:20px}
.site-header .brand{width:178px;overflow:hidden}
.product-logo{display:block;width:178px;height:55px;overflow:hidden;position:relative}
.site-header .product-logo img{position:absolute;width:346px;max-width:none;height:auto;left:-168px;top:50%;transform:translateY(-50%)}
.site-header nav{justify-content:flex-start;gap:0}
.site-header .nav-menu summary{font-size:14px;padding:0 10px;border-radius:6px}
.site-header .account-actions{gap:8px}.site-header .account-actions a{border:0;padding:0 13px;border-radius:6px}.site-header .account-actions .button.blue{padding:0 16px}
.header-hotline{border-left:1px solid var(--line);padding-left:20px;display:grid;gap:2px;white-space:nowrap}
.header-hotline small{font-size:11px;color:#768194}.header-hotline strong{font-size:15px;font-weight:600;color:#283c5d}
.mobile-contact{display:none}
.button,.home-page .button{border-radius:6px;min-height:46px;font-weight:500;box-shadow:none}.button.blue{background:var(--blue);border-color:var(--blue)}
.section,.home-page .section,.role-stories{padding:80px 0}
h2,.home-page h2{font-size:36px;line-height:1.45;letter-spacing:-.8px;font-weight:600}
.home-page .center-head,.center-head{margin-bottom:40px}.eyebrow,.home-page .eyebrow{letter-spacing:.03em;font-size:13px;font-weight:500;color:var(--blue)}
.hero{background:#f2f6fe!important;border-bottom:1px solid #e5ecf7}
.home-page .hero-stage{grid-template-columns:1.06fr .94fr;min-height:540px;padding:54px 0 36px;gap:36px;align-items:center}
.hero h1{font-size:clamp(37px,3.25vw,48px);font-weight:600;line-height:1.45;letter-spacing:-1.6px}
.hero .intro{font-size:16px;line-height:1.9;margin:24px 0 30px;color:#59677c}.hero .eyebrow{margin-bottom:20px}
.hero-art{height:390px;width:100%;margin:0;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-art>img{height:100%;width:100%;max-height:390px;object-fit:contain;mix-blend-mode:multiply}
.hero-art.project-art>img{height:100%;width:125%;max-width:none;transform:none;clip-path:none}
.hero-note{font-size:12px;color:#77849a;margin-top:22px}
.hero-tabs-row{border-top:1px solid #dce5f4}.hero-tabs{gap:30px}.hero-tabs button{padding:21px 0 19px}.hero-tabs b{font-size:15px;font-weight:500}.hero-tabs small{font-size:11px}.hero-progress-track{height:2px}
.quick-links{padding:20px 0;border-bottom:1px solid var(--line);color:#6c798b}.quick-links strong{font-weight:400;font-size:13px}
.home-page .choice-grid{gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.home-page .choice,.home-page .choice:nth-child(n){background:#fff;border-radius:0;padding:30px 32px;border:0;border-right:1px solid var(--line)}.home-page .choice:last-child{border-right:0}
.home-page .choice>img{width:36px;height:36px;margin-bottom:20px}.home-page .choice h3{font-size:23px}.home-page .choice>p{min-height:58px;font-size:14px;margin:14px 0 24px;line-height:1.85}
.role-stories{background:#f5f8fd}.role-layout{gap:48px}.role-tabs{background:#fff;border:1px solid var(--line);border-radius:9px;padding:4px}.role-tabs button{border-radius:6px}
.role-visual{border-radius:10px;border:1px solid #e1e9f4;background:#eaf0fc}.role-image-frame{border-radius:6px}
.home-page .capabilities{width:100%;border-radius:0;background:#fff;padding:80px 0}
.home-page .capability-grid{border:1px solid var(--line);border-radius:10px;padding:16px;gap:0;background:white}
.capability-item{border-radius:6px}.capability-item summary{padding:24px 16px}.home-page .capability-grid img{width:42px;height:42px}.home-page .capability-grid h3{font-size:17px}.home-page .capability-grid p{font-size:13px}
.capability-bottom{font-size:15px;padding:28px 0 0}
.home-page .agency-feature{padding:70px 0;background:#f6f8fc}
.home-page .agency-block{background:transparent;border-radius:0;grid-template-columns:1fr 1fr;gap:64px;overflow:visible}
.home-page .agency-copy{padding:0}.home-page .agency-copy h2{font-size:36px}.home-page .agency-art{min-height:0;background:#e9effa;padding:24px;border-radius:10px}
.home-page .agency-art .screen-wrap{padding:0;background:transparent}.home-page .agency-art .screen-button img{mix-blend-mode:normal}
.home-page .ai-line{background:white;border-radius:0;gap:70px;padding:80px 0;margin-bottom:0;border-bottom:1px solid var(--line)}.ai-mark{display:none}.home-page .ai-line h2{font-size:36px}.home-page .question-list button{box-shadow:none;border-radius:6px;background:#f8faff}
.home-page .platform-feature{padding:80px 0}
.home-page .api-banner{padding:44px;background:#f0f5ff;border-radius:10px;gap:48px}.home-page .api-banner h2{font-size:36px}.home-page .api-links a{border-radius:6px;background:white;border:1px solid #e3eaf6;box-shadow:none}.home-page .api-links a:hover{box-shadow:none;border-color:#a7bef4}
.group-section{border-top:1px solid var(--line);background:#fff}.group-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.group-intro{font-size:16px;line-height:1.9;color:var(--muted);margin:20px 0 26px}
.group-evidence{border-left:2px solid #dce6fa;padding:4px 0 4px 36px}.group-kicker{font-size:12px;letter-spacing:.06em;color:#6d7f9c}.group-evidence h3{font-size:23px;font-weight:600;line-height:1.5;margin:18px 0 14px}.group-evidence>p{font-size:15px;line-height:1.9;color:var(--muted)}
.group-evidence>a{display:block;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.group-evidence>a span{display:block;font-size:11px;color:#8b94a5;margin-bottom:10px}.group-evidence>a strong{display:block;font-size:15px;font-weight:500;line-height:1.7}.group-evidence>a b{color:var(--blue);margin-left:5px}
.home-page .faq{gap:60px}.soft{background:#f6f8fb}.home-page .faq-list details{background:transparent;border-bottom:1px solid #dfe5ee;border-radius:0;padding:0;margin:0}.home-page .faq h2{font-size:32px}
.closing,.home-page .closing{background:#edf3ff;padding:56px 0}.closing h2,.home-page .closing h2{font-size:32px}
.site-footer{background:#fafbfd;border-top:1px solid var(--line)}.footer-grid{grid-template-columns:1.25fr .85fr .85fr .75fr 1.2fr;gap:30px;padding:56px 0}.footer-brand img{width:230px;max-width:100%}.footer-grid h3{font-size:14px;font-weight:600}.footer-grid>div>a,.footer-grid>div>button{font-size:13px}.footer-contact .contact-phone{font-size:24px;font-weight:600;letter-spacing:-.5px;color:#243d68}.footer-contact p{font-size:11px;color:#7a8798;margin:12px 0 18px}.footer-contact .button{font-size:13px;min-height:38px;padding:8px 18px}.footer-bottom{font-size:11px;color:#8a94a5}
.service-dock{position:fixed;right:18px;bottom:24px;z-index:70;display:grid;gap:0;width:116px;border:1px solid #dfe7f4;border-radius:10px;background:#fff;box-shadow:0 5px 24px #243b6812;overflow:hidden}
.service-dock button{display:flex;flex-direction:column;align-items:center;gap:7px;padding:15px 10px;border:0;background:var(--blue);color:white;font:500 13px 'PingFang SC',sans-serif;cursor:pointer}.service-dock svg{width:26px;height:26px}.service-dock a{display:grid;text-align:center;gap:6px;padding:13px 4px}.service-dock a span{font-size:11px;color:#7b8798}.service-dock strong{font-size:12px;color:#34486b}.support-open .service-dock{visibility:hidden}
.support-status{position:fixed;bottom:180px;right:20px;max-width:300px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 28px #263d701c;padding:16px;border-radius:8px;font-size:14px;line-height:1.8;z-index:100}
.page-intro{background:#f3f7fe;padding-bottom:64px}.page-intro h1{font-size:44px;line-height:1.45;letter-spacing:-1px}.detail-lead{border-radius:10px;padding:32px}.lead-steps>div{border-radius:6px}
#main:not(.home-page) .workflow article,#main:not(.home-page) .feature-list article,#main:not(.home-page) .terms-grid article,#main:not(.home-page) .api-card,#main:not(.home-page) .download-card,#main:not(.home-page) .screen-wrap,.plan{border-radius:10px}
.about-business{display:grid;grid-template-columns:1fr 1fr;gap:80px}.about-business p:not(.eyebrow){font-size:16px;line-height:1.95;color:var(--muted);margin-bottom:20px}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}.source-grid>a{padding:28px;background:#f5f8fd;border:1px solid var(--line);border-radius:8px}.source-grid span{font-size:12px;color:#78879e}.source-grid h3{font-size:20px;margin:14px 0}.source-grid p{font-size:14px;color:var(--muted);line-height:1.8}
@media(max-width:1250px) and (min-width:1101px){.site-header .header-row{grid-template-columns:164px minmax(0,1fr) 158px;gap:15px}.header-hotline{display:none}.site-header .brand{width:164px}.site-header .nav-menu summary{padding:0 9px}}
@media(max-width:1100px){.shell,.home-page .shell,.home-page .capabilities .shell,.site-header .header-row{width:calc(100% - 48px)}.site-header .header-row{grid-template-columns:minmax(0,1fr) auto 40px;gap:16px;height:76px}.site-header .brand{width:178px}.header-hotline{display:none}.mobile-contact{display:grid;gap:15px;padding:20px 14px;font-size:14px}.mobile-contact button{border:0;background:transparent;text-align:left;padding:0;color:var(--blue);font:inherit}.home-page .hero-stage{gap:20px;min-height:480px}.hero h1{font-size:37px}.hero-art{height:320px}.home-page .agency-block{gap:35px}.group-layout{gap:35px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-contact{grid-column:1/-1;border-top:1px solid var(--line);padding-top:22px}}
@media(max-width:760px){.shell,.home-page .shell,.home-page .capabilities .shell,.site-header .header-row{width:calc(100% - 36px)}.section,.home-page .section,.role-stories{padding:52px 0}h2,.home-page h2{font-size:28px;letter-spacing:-.5px}.home-page .hero-stage{display:flex;flex-direction:column;align-items:stretch;padding:36px 0 16px;min-height:0}.hero h1{font-size:clamp(29px,7.2vw,39px);line-height:1.45;letter-spacing:-1px}.hero .intro{font-size:14px;margin:20px 0 24px}.hero-art,.hero-art.project-art{height:250px;width:100%;margin:5px 0 0}.hero-art>img{max-height:250px}.hero-art.project-art>img{width:100%;height:250px}.hero-tabs{gap:16px}.hero-tabs b{font-size:11px}.hero-tabs-row{gap:6px}.hero-tabs button{padding:16px 0}.home-page .choice-grid{grid-template-columns:1fr}.home-page .choice{border-right:0!important;border-bottom:1px solid var(--line)!important;padding:25px}.home-page .choice:last-child{border-bottom:0!important}.home-page .choice>p{min-height:0}.home-page .choice>img{float:right;margin:0}.home-page .capability-grid{padding:6px;grid-template-columns:1fr 1fr}.home-page .capability-grid h3{font-size:15px}.home-page .capability-grid p{font-size:12px}.home-page .agency-feature{padding:52px 0}.home-page .agency-block{display:flex;flex-direction:column-reverse;gap:28px}.home-page .agency-copy{padding:0}.home-page .agency-copy h2,.home-page .api-banner h2,.home-page .ai-line h2{font-size:28px}.home-page .agency-art{padding:18px}.home-page .ai-line{display:block;padding:52px 0}.home-page .platform-feature{padding:52px 0}.home-page .api-banner{padding:26px 22px;border-radius:8px}.home-page .api-links{gap:10px}.home-page .api-links a{padding:17px 12px}.home-page .faq{grid-template-columns:1fr;gap:24px}.group-layout,.about-business{grid-template-columns:1fr;gap:30px}.group-evidence{padding-left:22px}.group-evidence h3{font-size:21px}.group-intro{font-size:14px}.group-intro br{display:none}.source-grid{grid-template-columns:1fr;gap:16px}.page-intro h1{font-size:31px}.closing h2,.home-page .closing h2{font-size:28px}.service-dock{width:auto;right:12px;bottom:16px;border-radius:28px}.service-dock button{flex-direction:row;padding:12px 17px;font-size:12px}.service-dock svg{width:20px;height:20px}.service-dock>a{display:none}.support-status{bottom:76px;max-width:270px}.footer-bottom{padding-bottom:85px}}
@media(max-width:560px){.site-header .header-row{height:68px;grid-template-columns:minmax(0,1fr) auto 34px;gap:8px}.site-header .brand{width:138px}.product-logo{width:138px;height:47px}.site-header .product-logo img{width:268px;left:-130px}.site-header .account-actions a{padding:0 8px;min-height:34px;font-size:12px}.site-header .account-actions .button.blue{padding:0 10px}.site-header nav{left:-18px;right:-18px}.footer-grid{gap:28px 13px}.footer-brand{grid-column:1/-1}.footer-grid>div>a{font-size:12px}.home-page .hero-stage{width:calc(100% - 36px)}}
@media(max-width:1100px){.site-header nav.open{flex-wrap:nowrap;justify-content:flex-start}.site-header .nav-menu,.site-header .mobile-contact{flex-shrink:0}.site-header .nav-dropdown aside{margin:0}.site-header .nav-cards a{min-width:0}.site-header:has(nav.open)~.service-dock{display:none}}
.about-hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}.about-brand-panel{padding:48px 32px;background:#fff;border:1px solid #e4ebf6;border-radius:10px;text-align:center}.about-brand-panel>img{width:100%;max-width:360px;height:auto}.about-brand-panel>p{font-size:19px;color:#526682;margin:32px 0}.about-brand-panel>div{display:flex;justify-content:center;gap:22px;color:#8290a5;font-size:13px}.about-brand-panel>div>span+span{border-left:1px solid #e2e8f0;padding-left:22px}
@media(max-width:1000px){.about-hero-grid{grid-template-columns:1fr;gap:32px}.about-brand-panel{max-width:580px}.about-brand-panel>img{max-width:340px}.about-brand-panel{padding:32px 24px}.about-brand-panel>p{margin:25px 0;font-size:17px}}
/* Approved complete brand lockup; hero copy uses a calm lead and a stronger benefit line. */
.site-header .header-row{grid-template-columns:244px minmax(0,1fr) 139px 158px;gap:16px}
.site-header .brand{width:244px;overflow:visible}.site-header .brand>img{width:100%;height:auto;display:block}
.hero #hero-eyebrow{display:flex;align-items:center;gap:12px;color:#46618a;font-size:17px;line-height:1.5;font-weight:500;letter-spacing:.04em;margin-bottom:22px}
.hero #hero-eyebrow:before{content:'';width:26px;height:2px;background:#3263e8;flex:none}
.hero #hero-title{font-size:44px;line-height:1.38;letter-spacing:-1.2px;font-weight:500;margin:0}
.hero-title-line{display:block}.hero-title-emphasis{margin-top:9px;color:#2859d6;font-weight:600}
.hero .intro{margin-top:25px}.home-page .hero-stage{grid-template-columns:1.08fr .92fr}
@media(max-width:1250px) and (min-width:1101px){.site-header .header-row{grid-template-columns:232px minmax(0,1fr) 158px}.site-header .brand{width:232px}.site-header .nav-menu summary{padding:0 8px}}
@media(max-width:1100px){.site-header .header-row{grid-template-columns:minmax(0,1fr) auto 40px}.site-header .brand{width:244px}.hero #hero-title{font-size:36px}.hero #hero-eyebrow{font-size:16px}}
@media(max-width:760px){.hero #hero-title{font-size:clamp(27px,7.2vw,39px);line-height:1.5;letter-spacing:-.8px}.hero-title-emphasis{margin-top:5px}.hero #hero-eyebrow{font-size:15px;gap:9px;margin-bottom:18px}.hero #hero-eyebrow:before{width:20px}.hero .intro{margin-top:20px}}
@media(max-width:560px){.site-header .header-row{grid-template-columns:minmax(0,1fr) auto 34px;gap:8px}.site-header .brand{width:174px;max-width:100%}}
/* A single white masthead below the separate blue product bar. */
.site-header .header-row{height:82px;grid-template-columns:244px minmax(0,1fr) 139px 158px;grid-template-rows:1fr;gap:16px}
.site-header .brand{grid-column:1;grid-row:1;width:244px}
.site-header nav{grid-column:2;grid-row:1;align-self:center;border-top:0;gap:4px;justify-content:center}
.site-header .header-hotline{display:grid;grid-column:3;grid-row:1;border:0;padding:0}
.site-header .account-actions{grid-column:4;grid-row:1}
.site-header .nav-menu summary{height:42px;padding:0 10px;font-size:14px;border-radius:7px;background:transparent}
.site-header .nav-menu summary:hover,.site-header .nav-menu[open] summary{background:#f0f6ff;color:#007aff}
.site-header .nav-dropdown{top:100%}
#main section[id],.role-stories{scroll-margin-top:98px}.page-nav{top:82px}
@media(max-width:1250px) and (min-width:1101px){
 .site-header .header-row{grid-template-columns:232px minmax(0,1fr) 158px;gap:16px}
 .site-header .brand{width:232px}.site-header .header-hotline{display:none}.site-header .account-actions{grid-column:3}
 .site-header .nav-menu summary{padding:0 9px}
}
@media(max-width:1100px){
 .site-header .header-row{height:76px;grid-template-columns:minmax(0,1fr) auto 40px;grid-template-rows:1fr;gap:16px}
 .site-header .brand{width:244px;max-width:100%}.site-header .header-hotline{display:none}.site-header .account-actions{grid-column:2;grid-row:1}
 .site-header .mobile-menu{grid-column:3;grid-row:1;display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid #e0e6ef;border-radius:7px;background:#fff;color:#465570}
 .site-header .mobile-menu>span{display:none}
 .site-header nav,.site-header nav.open{grid-column:1/-1;grid-row:auto;border-top:0;gap:0;max-height:calc(100dvh - 76px)}
 .site-header .nav-menu summary{justify-content:space-between;padding:0 14px;height:50px;font-size:15px}
 .page-nav{top:76px}
}
@media(max-width:560px){
 .site-header .header-row{height:68px;grid-template-columns:minmax(0,1fr) auto 34px;gap:8px}
 .site-header .brand{width:174px}.site-header .mobile-menu{width:34px;height:34px}
 .site-header nav,.site-header nav.open{max-height:calc(100dvh - 68px)}
 #main section[id],.role-stories{scroll-margin-top:84px}.page-nav{top:68px}
}

/* Apple-blue product bar with a more generous, readable rhythm. */
.product-strip{background:#007aff;color:#fff;font-family:'PingFang SC',-apple-system,BlinkMacSystemFont,'Microsoft YaHei',sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
.product-strip-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;min-height:46px}
.product-strip-links{display:flex;align-items:center;gap:0}
.product-strip-links a{display:flex;align-items:center;min-height:46px;color:#fff;white-space:nowrap;padding:0 28px;position:relative;font-weight:500;letter-spacing:.02em}
.product-strip-links a:first-child{padding-left:0}
.product-strip-links a+a:before{content:"";position:absolute;left:0;height:13px;width:1px;background:#ffffff4d}
.product-strip-links a:hover{background:#ffffff18;text-decoration:underline;text-underline-offset:5px}
.product-strip-links a:focus-visible{outline:2px solid white;outline-offset:-3px;border-radius:3px}
.product-strip-note{color:#fff;font-size:12px;font-weight:400;letter-spacing:.04em;white-space:nowrap}
@media(max-width:760px){.product-strip-note{display:none}.product-strip-inner{gap:0;min-height:42px}.product-strip-links{width:100%;justify-content:space-between}.product-strip-links a{min-height:42px;padding:0 12px;font-size:12px;letter-spacing:0}.product-strip-links a:last-child{padding-right:0}}
@media(max-width:360px){.product-strip-links a{padding:0 8px;font-size:11px}}