:root{color-scheme:light;--ink:#202634;--muted:#536071;--line:#e1e6ee;--surface:#fff;--soft:#f5f8fd;--cyan:#3c71e8;--cyan-dark:#265fd5;--orange:#ee7b37;--deep:#14213b}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7;letter-spacing:0}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cyan-dark)}
a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
[hidden]{display:none!important}
.shell{width:min(100% - 48px,1200px);margin-inline:auto}
.narrow{max-width:800px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.site-header-inner{width:min(100% - 48px,1200px);height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;min-width:174px;color:var(--ink)}
.brand img{width:44px;height:44px;object-fit:cover;border-radius:6px}
.brand span{display:grid;line-height:1.2}
.brand strong{font-size:19px;font-weight:750}
.brand small{margin-top:3px;color:var(--cyan-dark);font-size:11px;font-weight:700}
.desktop-nav{display:flex;align-items:center;gap:28px;white-space:nowrap}
.desktop-nav a{font-size:14px;font-weight:650;color:#3b5159}
.desktop-nav a:hover,.desktop-nav a[aria-current=page]{color:var(--cyan-dark)}
.desktop-nav a[aria-current=page]{box-shadow:0 2px var(--cyan)}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.language-link{font-size:13px;font-weight:750;color:var(--cyan-dark)}
.contact-shortcut{padding:10px 16px;background:var(--cyan);color:white;border-radius:22px;font-size:13px;font-weight:700;white-space:nowrap}
.contact-shortcut:hover{background:var(--cyan-dark);color:white}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:6px;padding:8px 12px;font-size:13px;font-weight:700}
.mobile-nav{display:none}
.intro-band{background:#fff;border-bottom:1px solid var(--line)}
.intro-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:64px;align-items:center;padding-block:100px 96px}
.intro-copy{max-width:770px}
.eyebrow{margin:0 0 14px;color:var(--cyan-dark);font-size:13px;font-weight:800}
h1,h2,h3,p{overflow-wrap:break-word}
h1{margin:0;color:var(--ink);font-size:52px;line-height:1.2;font-weight:800}
body[data-page=home] h1{max-width:650px}
h2{margin:0;color:var(--ink);font-size:32px;line-height:1.3;font-weight:760}
h3{margin:0;color:var(--ink);font-size:21px;line-height:1.35;font-weight:750}
p{margin:0;color:var(--muted)}
.intro-lead{max-width:690px;margin-top:27px;font-size:18px;line-height:1.8}
.action-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:34px}
.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:10px 18px;border:1px solid transparent;border-radius:22px;font-size:14px;font-weight:750;line-height:1.35;text-align:center}
.button.primary{background:var(--cyan);color:white}
.button.primary:hover{background:var(--cyan-dark);color:white}
.button.secondary{background:white;border-color:#d7dfea;color:var(--cyan-dark)}
.button.secondary:hover{border-color:var(--cyan);color:var(--cyan-dark)}
.button.on-dark{background:#fff;color:var(--deep);overflow-wrap:anywhere}
.button.on-dark:hover{background:#e8f4f7}
.intro-detail{min-height:340px;display:flex;flex-direction:column;justify-content:center;align-self:center;position:relative;padding:54px 38px 34px;border:1px solid #d8e4f6;border-radius:18px;background:#fff;box-shadow:0 20px 55px rgba(45,88,159,.13)}
.intro-detail:before{content:"";position:absolute;top:21px;left:25px;width:9px;height:9px;border-radius:50%;background:#f58583;box-shadow:17px 0 #f7cc66,34px 0 #64d694}
.intro-detail:after{content:"SNOW123 · 站外推广";position:absolute;top:17px;left:90px;color:#8b98aa;font-size:12px}
.intro-detail img{width:58px;height:58px;object-fit:cover;border-radius:8px;margin-bottom:22px}
.intro-detail p{font-size:18px;line-height:2.45;font-weight:700;color:#305474}
.section{padding-block:80px}
.section.muted{background:var(--soft);border-block:1px solid var(--line)}
.section-heading{max-width:780px;margin-bottom:38px}
.section-heading h2{max-width:780px}
.service-list{border-top:1px solid var(--line)}
.service-row{display:grid;grid-template-columns:62px minmax(0,1fr) auto;gap:28px;align-items:start;padding:28px 0;border-bottom:1px solid var(--line)}
.service-index,.step-number{font-size:13px;font-weight:800;color:var(--cyan-dark)}
.service-row p{margin-top:8px;max-width:820px}
.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--cyan-dark);font-size:14px;font-weight:750;white-space:nowrap}
.text-link:hover{color:#064c63}
.process-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;list-style:none;padding:0;margin:0}
.process-list li{min-height:92px;padding:14px 10px 0 0;border-top:2px solid var(--cyan)}
.process-list strong{display:block;font-size:17px;line-height:1.5}
.process-list p{margin-top:10px;font-size:14px;line-height:1.65}
.step-number{display:block;margin-bottom:8px}
.section-note{margin-top:28px;font-size:14px}
.faq-section{scroll-margin-top:90px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;color:var(--ink);font-size:18px;font-weight:700;cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:'+';flex:none;color:var(--cyan-dark);font-size:25px;font-weight:400;line-height:1}
.faq-list details[open] summary:after{content:'−'}
.faq-list details p{max-width:850px;padding:0 36px 23px 0}
.case-list{border-top:1px solid var(--line)}
.case-entry{padding:30px 0;border-bottom:1px solid var(--line)}
.case-entry dl{display:grid;gap:12px;margin:18px 0 0}
.case-entry dl div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:20px}
.case-entry dt{font-weight:750}
.case-entry dd{margin:0;color:var(--muted)}
.company-callout{display:flex;justify-content:space-between;align-items:end;gap:36px}
.company-callout h2{max-width:850px}
.company-callout p:not(.eyebrow){margin-top:17px;max-width:780px}
.company-overview{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px}
.company-overview h2{max-width:700px}
.company-overview p:not(.eyebrow){margin-top:18px}
.company-aside{border-left:1px solid var(--line);padding-left:36px}
.company-aside h3{font-size:19px}
.company-aside p{font-size:15px}
.company-aside .text-link{margin-top:20px}
.company-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.company-facts strong{display:block;color:var(--cyan-dark);font-size:18px}
.company-facts p{margin-top:7px;font-size:14px}
.contact-band{padding:55px 0;background:var(--deep)}
.contact-band-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}
.contact-band .eyebrow{color:#a7dce9}
.contact-band h2{color:white}
.page-intro{background:var(--soft);border-bottom:1px solid var(--line);padding-block:78px}
.page-intro p:not(.eyebrow){max-width:840px;margin-top:23px;font-size:18px;line-height:1.8}
.page-intro .about-identity{font-size:21px!important;color:var(--ink);font-weight:700}
.service-details{border-top:1px solid var(--line)}
.service-detail{display:grid;grid-template-columns:62px minmax(0,1fr);gap:28px;padding-block:47px;border-bottom:1px solid var(--line);scroll-margin-top:95px}
.service-detail h2{font-size:28px}
.service-summary{margin-top:12px;font-size:17px}
.service-detail dl{display:grid;gap:14px;margin:30px 0 0}
.service-detail dl div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:20px}
.service-detail dt{font-weight:750;color:var(--ink)}
.service-detail dd{margin:0;color:var(--muted)}
.service-note{margin-top:22px;padding-left:14px;border-left:3px solid var(--orange);font-size:14px}
.contact-content{padding-block:10px 20px}
.field-label{font-size:14px;font-weight:750;color:var(--ink)}
.contact-email{display:inline-block;margin-top:10px;color:var(--cyan-dark);font-size:32px;font-weight:760;overflow-wrap:anywhere}
.copy-status{min-height:20px;color:var(--cyan-dark);font-size:13px}
.contact-company{margin-top:62px;padding-top:25px;border-top:1px solid var(--line)}
.contact-company p+ p{margin-top:6px}
.english-services{border-top:1px solid var(--line)}
.english-service{display:grid;grid-template-columns:62px minmax(0,1fr);gap:26px;padding:25px 0;border-bottom:1px solid var(--line)}
.english-service p{margin-top:8px}
.english-detail{margin-top:45px;max-width:900px}
.english-detail h3{margin-bottom:18px}
.english-detail p+p{margin-top:14px}
.site-footer{background:#eef3f4;border-top:1px solid var(--line)}
.footer-inner{width:min(100% - 48px,1200px);margin:auto;display:grid;grid-template-columns:minmax(0,1.5fr) .5fr minmax(0,.9fr);gap:55px;padding-block:48px}
.footer-brand{font-weight:800;font-size:18px;color:var(--ink)}
.footer-inner p{margin-top:8px;font-size:14px}
.footer-links,.footer-contact{display:grid;align-content:start;gap:9px;font-size:14px}
.footer-contact a:first-child{color:var(--cyan-dark);font-weight:750;overflow-wrap:anywhere}
.footer-contact span{overflow-wrap:anywhere}
@media(max-width:1100px){.desktop-nav{gap:16px}.desktop-nav a{font-size:13px}.intro-inner{gap:36px}}
@media(max-width:900px){.desktop-nav,.contact-shortcut{display:none}.menu-toggle{display:inline-flex}.mobile-nav:not([hidden]){display:grid;gap:0;padding:8px 24px 18px;border-top:1px solid var(--line);background:#fff}.mobile-nav a{padding:9px 0;font-size:15px;font-weight:700}.intro-inner{grid-template-columns:1fr;gap:34px}.intro-detail{min-height:0;padding:52px 24px 24px;flex-direction:row;justify-content:start;align-items:center;gap:22px}.intro-detail img{width:72px;height:72px;margin:0}.intro-detail p{font-size:15px}.footer-inner{grid-template-columns:1fr 1fr;gap:30px}.footer-contact{grid-column:1/-1}}
@media(max-width:640px){.company-overview{grid-template-columns:1fr;gap:28px}.company-aside{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.company-facts{grid-template-columns:1fr;gap:20px;margin-top:30px}.company-facts>div{border-bottom:1px solid var(--line);padding-bottom:18px}}
@media(max-width:640px){.shell,.site-header-inner,.footer-inner{width:min(100% - 36px,1200px)}.site-header-inner{height:64px;gap:10px}.brand{min-width:0}.brand img{width:38px;height:38px}.brand strong{font-size:16px}.brand small{font-size:10px}.header-actions{gap:10px}.intro-inner{padding-block:59px}.intro-detail{gap:16px}.intro-detail img{width:60px;height:60px}.intro-detail p{font-size:14px}.eyebrow{font-size:12px}h1{font-size:36px}h2{font-size:26px}h3{font-size:19px}.intro-lead,.page-intro p:not(.eyebrow){font-size:16px}.action-row{align-items:stretch}.action-row .button{flex:1 1 150px}.section{padding-block:56px}.section-heading{margin-bottom:26px}.service-row{grid-template-columns:35px 1fr;gap:14px;padding:23px 0}.service-row .text-link{grid-column:2}.process-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.process-list strong{font-size:15px}.company-callout,.contact-band-inner{display:block}.company-callout .text-link{margin-top:20px}.contact-band{padding-block:42px}.contact-band .button{margin-top:22px}.page-intro{padding-block:58px}.service-detail{grid-template-columns:32px 1fr;gap:12px;padding-block:33px}.service-detail h2{font-size:23px}.service-detail dl div,.case-entry dl div{grid-template-columns:1fr;gap:2px}.service-detail dl{gap:18px}.contact-email{font-size:24px}.english-service{grid-template-columns:32px 1fr;gap:12px}.footer-inner{grid-template-columns:1fr;gap:24px;padding-block:36px}.footer-contact{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Restore the original site's light service-grid presentation. */
body[data-page=home] #services{background:#f5f7fb}
body[data-page=home] #services .section-heading{text-align:center;margin:0 auto 42px}
body[data-page=home] #services .service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;border:0}
body[data-page=home] #services .service-row{display:flex;flex-direction:column;gap:0;min-height:270px;padding:30px;border:1px solid #e8edf4;border-radius:8px;background:#fff;box-shadow:0 3px 12px rgba(30,55,90,.04)}
body[data-page=home] #services .service-index{display:grid;place-items:center;width:48px;height:48px;margin-bottom:24px;border-radius:8px;background:#edf4ff;font-size:15px}
body[data-page=home] #services .service-row p{margin-top:12px;line-height:1.75}
body[data-page=home] #services .service-row .text-link{margin-top:auto;padding-top:22px}
body[data-page=home] #process .section-heading{text-align:center;margin-inline:auto}
body[data-page=home] .process-list li{padding:18px 16px 12px 0}
body[data-page=home] .company-facts strong{color:var(--ink)}
body[data-page=home] .company-facts>div{border-top:2px solid var(--cyan);padding-top:16px}
.site-footer{background:#111b2b;color:#e8edf5;border:0}
.site-footer .footer-brand,.site-footer .footer-contact span{color:#fff}
.site-footer p,.site-footer .footer-links a,.site-footer .footer-contact a{color:#b9c6d6}
.site-footer a:hover{color:#fff}
@media(max-width:900px){body[data-page=home] #services .service-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){body[data-page=home] #services .section-heading{margin-bottom:26px}body[data-page=home] #services .service-list{grid-template-columns:1fr;gap:14px}body[data-page=home] #services .service-row{min-height:0;padding:24px}body[data-page=home] #services .service-index{margin-bottom:16px}body[data-page=home] .company-facts>div{border-bottom:0}}