/* IRFAN VISUAL SYSTEM V1.4  — Single source of design overrides */
:root{--brand:#01295c;--heading:#122743;--reading:#44556a;--subtle:#63758b;--mist:#f5f7fa;--rule:#e3e9ef;--container:1180px;--rhythm:clamp(62px,6.7vw,91px)}
html{scroll-behavior:smooth}body.refined-site{font-size:15px;line-height:1.8;color:var(--heading);font-kerning:normal;text-rendering:optimizeLegibility}body.locale-zh{font-family:'Noto Sans SC','Microsoft YaHei',system-ui,sans-serif}body.locale-en{font-family:'DM Sans',Inter,system-ui,sans-serif}
.refined-site .container{width:min(calc(100% - 80px),var(--container))}.refined-site .header{background:rgba(255,255,255,.96);border-bottom:1px solid #e7edf2}.refined-site .header-in{height:74px;gap:24px}.refined-site .brand img{width:140px}.refined-site .nav{gap:28px}.refined-site .nav a{font-size:13px;letter-spacing:.006em}.refined-site .tag{font-size:11px;letter-spacing:.12em;color:#58718d;line-height:1.45}.refined-site .tag:before{width:18px}.refined-site .top-cta,.refined-site .btn{border-radius:2px;box-shadow:none;padding:12px 21px;letter-spacing:.005em}.refined-site .btn:hover,.refined-site .top-cta:hover{transform:none;box-shadow:0 6px 18px rgba(1,41,92,.1)}
.refined-site .hero{padding:51px 0 71px}.refined-site .hero-grid{grid-template-columns:minmax(0,1.13fr) minmax(0,.87fr);gap:clamp(37px,5.5vw,76px);align-items:center}.refined-site .hero h1{font-size:clamp(42px,4.55vw,65px);line-height:1.3;letter-spacing:-.045em;margin:20px 0 24px;font-weight:650;max-width:700px}.refined-site .hero h1 em{display:block;font-style:normal}.refined-site .hero .lead{max-width:590px;color:var(--reading);font-size:15px;line-height:1.88;margin:0}.refined-site .hero .lead strong{display:block;color:#243c57;font-size:17px;font-weight:600;line-height:1.75;margin:0 0 13px}.refined-site .hero .lead span{display:block}.refined-site .hero-buttons{margin-top:26px;gap:12px}.refined-site .micro{margin-top:25px;padding-top:14px;color:#6a7d92;font-size:11px}.refined-site .visual.editorial-art{min-height:390px;aspect-ratio:1/1.03;background:linear-gradient(150deg,#eaf0f6,#f3f6fa 58%,#e2eaf2);border:1px solid #e5ebf1}.refined-site .editorial-inner{min-height:0;width:100%;padding:clamp(27px,4vw,48px)}.refined-site .editorial-statement{font-size:clamp(47px,4.9vw,74px);line-height:1.18}.refined-site .editorial-kicker,.refined-site .editorial-tail{letter-spacing:.13em}
.refined-site .section{padding:var(--rhythm) 0}.refined-site .section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.56fr);gap:clamp(35px,6vw,85px);align-items:end;margin:0 0 38px}.refined-site .section-head h2,.refined-site .section-title{font-size:clamp(29px,3vw,42px);font-weight:630;line-height:1.45;letter-spacing:-.035em;margin:14px 0 0;text-wrap:pretty}.refined-site .section-head p{font-size:14px;line-height:1.9;max-width:390px;margin:0;color:var(--subtle)}.refined-site .section-head>div{min-width:0}.refined-site .section-title{max-width:660px}.refined-site .section.tint{background:var(--mist)}
.refined-site .problems{gap:clamp(22px,3.3vw,47px)}.refined-site .problem{border-top:1px solid #a7bacb;padding:24px 0 0}.refined-site .problem h3{font-size:19px;line-height:1.52;font-weight:620;margin:0 0 12px;letter-spacing:-.017em}.refined-site .problem p{font-size:14px;line-height:1.88;color:var(--subtle);margin:0}.refined-site .problem:before{margin:0 0 20px}
.refined-site .cards{gap:19px}.refined-site .card{border:1px solid #e4eaf0;border-radius:2px;min-height:288px;padding:29px 27px;box-shadow:none}.refined-site .card .number{font-size:27px;color:#9bb0c5}.refined-site .card h3{font-size:21px;margin:16px 0 12px;line-height:1.4}.refined-site .card p{font-size:14px;line-height:1.83;margin-bottom:14px}.refined-site .scope-details{border-top:1px solid #e7edf1;padding-top:12px;margin-top:auto;margin-bottom:15px}.refined-site .scope-details summary{font-size:12px}.refined-site .scope-details .scope-copy{font-size:12px;line-height:1.85}.refined-site .card a{margin-top:0}
.refined-site .split{grid-template-columns:1fr .92fr;gap:clamp(38px,6vw,80px);align-items:center}.refined-site .split p{font-size:14px;line-height:1.93;color:var(--reading);margin:18px 0}.refined-site .split .section-title{margin-top:17px}.refined-site .placeholder{min-height:0;height:auto;aspect-ratio:4/3;border:0;background:linear-gradient(145deg,#edf2f7,#e0eaf3);padding:24px}.refined-site .placeholder strong{font-size:10px;letter-spacing:.13em}.refined-site .about-story{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:start}.refined-site .about-story>.placeholder{height:auto;aspect-ratio:4/5;max-height:550px;position:sticky;top:100px}.refined-site .about-story>.placeholder>div{position:static}.refined-site .check-list{margin:20px 0}.refined-site .check-list li{font-size:14px;line-height:1.8;padding:13px 0}
.refined-site .steps{gap:24px}.refined-site .step{padding:20px 0 0;margin:0;border-top:1px solid #a1b7ca}.refined-site .step strong{font-size:28px}.refined-site .step h3{font-size:17px;margin:10px 0 7px}.refined-site .step p{font-size:13px;line-height:1.85;margin:0}
.refined-site .dark-band{padding:67px 0;background:#092b50}.refined-site .band-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(30px,5vw,75px);align-items:center}.refined-site .dark-band h2{font-size:clamp(29px,3.1vw,43px);line-height:1.45;max-width:790px;letter-spacing:-.035em;margin:13px 0 17px;text-wrap:pretty}.refined-site .dark-band p{font-size:14px;line-height:1.85;max-width:720px;margin:0}
.refined-site .page-hero{padding:clamp(60px,5.4vw,82px) 0 clamp(56px,5.5vw,76px);background:linear-gradient(120deg,#f9fbfd,#edf3f8)}.refined-site .page-hero h1{font-size:clamp(35px,3.95vw,54px);line-height:1.38;letter-spacing:-.04em;max-width:930px;margin:16px 0 17px;text-wrap:pretty}.refined-site .page-hero p{font-size:15px;line-height:1.9;max-width:730px;margin:0}.refined-site .breadcrumb{display:none}
.refined-site .service-block{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,67px);align-items:start;padding:clamp(37px,4.3vw,56px) 0}.refined-site .service-block:first-child{padding-top:0}.refined-site .service-block h3{font-size:clamp(23px,2.25vw,29px);line-height:1.46;margin:13px 0 14px}.refined-site .service-block p,.refined-site .service-block li{line-height:1.9}.refined-site .service-block .placeholder{aspect-ratio:5/4;min-height:250px}.refined-site .feature-rows{gap:20px}.refined-site .feature{padding:28px 25px;border:1px solid #e7ebf0;border-top:2px solid #adbfce}.refined-site .feature h3{font-size:18px}.refined-site .feature p{font-size:14px;line-height:1.85}
.refined-site .article-grid{gap:23px}.refined-site .article{border-color:#e7ecf1}.refined-site .article .thumb{height:auto;aspect-ratio:16/9}.refined-site .article .body{padding:24px}.refined-site .article h3{font-size:18px;line-height:1.56}.refined-site .prose{max-width:760px}.refined-site .prose p,.refined-site .prose li{line-height:2}.refined-site .contact-grid{gap:clamp(40px,6vw,84px)}.refined-site .contact-row{padding:17px 0}.refined-site .form{background:#f6f8fb;padding:clamp(25px,3vw,42px);border:1px solid #ebeff4}.refined-site .form input,.refined-site .form textarea,.refined-site .form select{min-width:0}.refined-site .footer{padding-top:66px}.refined-site .footer-grid{gap:30px}
/* Visual rhythm differs naturally by language, not by translation length alone. */
.locale-en.refined-site .hero h1{letter-spacing:-.045em;line-height:1.13;font-size:clamp(43px,4.65vw,68px)}.locale-en.refined-site .page-hero h1{letter-spacing:-.04em;line-height:1.15;max-width:910px}.locale-en.refined-site .section-head h2,.locale-en.refined-site .section-title{line-height:1.24;letter-spacing:-.03em}.locale-en.refined-site .card h3,.locale-en.refined-site .problem h3{line-height:1.36}.locale-en.refined-site .dark-band h2{line-height:1.23;max-width:850px}.locale-en.refined-site .section-head p{max-width:410px}
/* Reading accessibility */
.refined-site :focus-visible{outline:3px solid #5d9bd1;outline-offset:4px}.refined-site .article a:hover,.refined-site .footer a:hover{color:#88b1d9}.refined-site .footer-bottom{flex-wrap:wrap}
@media(max-width:1050px){.refined-site .container{width:min(calc(100% - 56px),var(--container))}.refined-site .hero-grid{gap:34px}.refined-site .nav{gap:17px}.refined-site .top-cta{display:none}.refined-site .section-head{grid-template-columns:1fr;gap:15px}.refined-site .section-head p{max-width:740px}.refined-site .split{gap:38px}.refined-site .cards{gap:13px}.refined-site .card{padding:26px 20px}}
@media(max-width:760px){:root{--rhythm:54px}.refined-site .container{width:calc(100% - 38px)}.refined-site .header-in{height:66px}.refined-site .brand img{width:125px}.refined-site .nav{gap:0}.refined-site .hero{padding:40px 0 58px}.refined-site .hero-grid{grid-template-columns:1fr;gap:29px}.refined-site .hero h1{font-size:clamp(37px,8.6vw,50px);line-height:1.29;letter-spacing:-.035em;margin:17px 0 20px}.locale-en.refined-site .hero h1{font-size:clamp(39px,9vw,52px);line-height:1.12}.refined-site .hero .lead{font-size:14px}.refined-site .hero .lead strong{font-size:15px}.refined-site .visual.editorial-art{min-height:270px;aspect-ratio:1.4/1}.refined-site .editorial-inner{padding:25px}.refined-site .editorial-statement{font-size:clamp(40px,11vw,57px)}.refined-site .section-head{margin-bottom:26px}.refined-site .section-head h2,.refined-site .section-title{font-size:clamp(27px,6.5vw,36px);line-height:1.42}.refined-site .section-head p{font-size:14px}.refined-site .problems,.refined-site .cards,.refined-site .feature-rows,.refined-site .article-grid{grid-template-columns:1fr;gap:17px}.refined-site .problem{padding-top:17px}.refined-site .problem h3{font-size:18px}.refined-site .card{min-height:0;padding:25px}.refined-site .card h3{font-size:21px}.refined-site .split,.refined-site .contact-grid,.refined-site .about-story{grid-template-columns:1fr;gap:29px}.refined-site .split .placeholder{aspect-ratio:16/10}.refined-site .about-story>.placeholder{position:static;aspect-ratio:16/10;max-height:none}.refined-site .steps{grid-template-columns:1fr 1fr;gap:22px}.refined-site .page-hero{padding:49px 0 52px}.refined-site .page-hero h1{font-size:clamp(31px,7.6vw,42px);line-height:1.37}.locale-en.refined-site .page-hero h1{line-height:1.17}.refined-site .service-block{grid-template-columns:1fr;gap:22px;padding:37px 0}.refined-site .service-block .placeholder{aspect-ratio:16/9;min-height:190px}.refined-site .dark-band{padding:53px 0}.refined-site .band-grid{grid-template-columns:1fr;gap:23px}.refined-site .dark-band h2{font-size:clamp(26px,6.5vw,34px);line-height:1.42}.locale-en.refined-site .dark-band h2{line-height:1.2}.refined-site .form{padding:25px}.refined-site .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.refined-site .footer-bottom{gap:10px}}
@media(max-width:420px){.refined-site .steps{grid-template-columns:1fr}.refined-site .footer-grid{grid-template-columns:1fr 1fr}.refined-site .hero-buttons .btn{flex:1;padding:11px}.refined-site .contact-row a{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}