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/* ===== HAN YI modern refresh: clean, contemporary, mobile-first ===== */
:root{
 --paper:#ffffff;--paper2:#f3f6fb;--ink:#17243a;--muted:#65738a;
 --red:#2563eb;--red2:#0ea5e9;--jade:#0f766e;--jade2:#e8f7f4;--gold:#d9e5f5;
 --line:#e2e8f0;--serif:"Inter","PingFang SC","Microsoft YaHei",sans-serif;
 --sans:"Inter","PingFang SC","Microsoft YaHei",Arial,sans-serif;--max:1280px;
 --shadow:0 18px 52px rgba(22,43,77,.09)
}
html{scroll-padding-top:96px}
body{background:#fff;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.75;letter-spacing:0;-webkit-font-smoothing:antialiased}
.container{width:min(var(--max),calc(100% - 56px))}
.display,.serif,.brand-name,.product-info h3,.process-item h3,.journal-feature h3,.journal-item h4,.case-copy h3,.article-content h2,.article-aside h3,.form-card h3,.legal-copy h2,.faq-question,.not-found h1,.not-found .code{font-family:var(--sans);letter-spacing:-.035em}
.display{font-weight:750;line-height:1.12;letter-spacing:-.055em}
.display em{font-style:normal;color:#2563eb}
.eyebrow{color:#2563eb;font-size:11px;letter-spacing:.12em;font-weight:750}
.eyebrow:before{width:22px;height:3px;border-radius:99px;background:currentColor}
.topbar{height:34px;background:#14233b;color:#e8f0ff;font-size:10px;letter-spacing:.08em}
.site-header{background:rgba(255,255,255,.94);border-bottom:1px solid #e7edf5;box-shadow:0 4px 18px rgba(20,35,59,.025)}
.nav-wrap{height:82px}
.brand{gap:11px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#2563eb,#0ea5e9);color:#fff;display:grid;place-items:center;font-family:var(--sans);font-size:15px;font-weight:850;letter-spacing:-.04em;box-shadow:0 7px 16px #2563eb28}
.brand-mark:after{display:none}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.04em;color:#15243b}
.brand-en{font-size:9px;letter-spacing:.13em;color:#718096}
.nav{gap:clamp(15px,2.1vw,30px)}
.nav a{font-size:12px;font-weight:600;color:#526177}
.nav a:after{height:2px;border-radius:99px;background:#2563eb}
.nav a.active{color:#2563eb}
.nav-cta{border:0;border-radius:999px;background:#2563eb;color:#fff;padding:11px 17px;font-size:11px;font-weight:700;box-shadow:0 7px 18px #2563eb24}
.nav-cta:hover{background:#174dc5}
.menu-toggle{border-radius:12px;border-color:#e1e8f0;background:#fff}
.hero{padding:76px 0 92px;background:radial-gradient(ellipse at 82% 18%,rgba(219,234,254,.75),transparent 38%),linear-gradient(180deg,#fbfdff 0%,#fff 100%)}
.hero-grid{grid-template-columns:.92fr 1.08fr;gap:6%;align-items:center}
.hero-copy{padding:20px 0 22px}
.hero h1{font-size:clamp(46px,5.5vw,76px);font-weight:800;line-height:1.14;letter-spacing:-.06em;margin:24px 0 22px}
.hero-copy p{max-width:490px;color:#64748b;font-size:15px;line-height:1.95}
.hero-actions{gap:13px;margin-top:30px}
.btn{border:1px solid #d7e0ed;border-radius:12px;padding:13px 19px;font-size:12px;font-weight:700;letter-spacing:0;background:#fff;color:#1e2f49;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{background:#f8fbff;color:#17243a;transform:translateY(-2px);box-shadow:0 8px 20px rgba(23,36,58,.08)}
.btn-red{background:#2563eb;border-color:#2563eb;color:#fff;box-shadow:0 8px 20px #2563eb25}
.btn-red:hover{background:#1d4ed8;border-color:#1d4ed8;color:#fff}
.btn-line{border-color:#dbe4f0;background:rgba(255,255,255,.8)}
.hero-meta{gap:24px;margin-top:44px;color:#718096;font-size:11px}
.hero-meta strong{font-size:14px;color:#1e2f49;font-weight:750}
.hero-visual{min-height:0;border-radius:26px;overflow:visible}
.hero-visual .hero-image{height:560px;min-height:0;border-radius:24px;object-fit:cover;box-shadow:0 28px 65px rgba(23,48,83,.16)}
.hero-frame,.hero-stamp,.vertical-note{display:none!important}
.ticker{background:#edf4ff;color:#284b78;padding:16px 0;border-block:1px solid #e0ebfb}
.ticker-inner{font-family:var(--sans);font-size:13px;font-weight:750;letter-spacing:.02em}
.ticker span:after{content:"";width:5px;height:5px;border-radius:50%;background:#60a5fa}
.section{padding:100px 0}
.section-sm{padding:66px 0}
.section-head{margin-bottom:40px}
.section-head h2{font-size:clamp(32px,4vw,52px);font-weight:800;letter-spacing:-.055em}
.section-head p{max-width:440px;color:#68778e;line-height:1.9;font-size:13px}
.intro-grid{grid-template-columns:.7fr 1.3fr;gap:8%}
.intro-aside .seal{display:none!important}
.intro-copy h2{font-size:clamp(34px,4.1vw,56px);font-weight:800;line-height:1.16}
.intro-copy p,.feature-copy p{color:#66758c;line-height:2;font-size:14px}
.text-link{border-bottom:0;color:#2563eb;font-weight:750;font-size:12px;gap:10px}
.text-link .arrow{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#edf4ff;color:#2563eb}
main section[style*="background"]{background:#f3f6fb!important}
.product-grid{gap:22px}
.product-card{background:#fff;border:1px solid #e7edf5;border-radius:19px;padding:10px;box-shadow:0 8px 24px rgba(24,48,84,.035);transition:transform .22s,box-shadow .22s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(24,48,84,.10)}
.product-photo{aspect-ratio:4/3.8;border-radius:13px;background:#eef3f9}
.product-photo img{border-radius:13px}
.product-index{left:12px;top:12px;background:rgba(255,255,255,.94);color:#2563eb;border-radius:8px;padding:6px 9px;font-weight:800}
.product-info{padding:16px 5px 8px;border-bottom:0}
.product-info h3{font-size:17px;font-weight:750;letter-spacing:-.02em}
.product-info p{font-size:11px;color:#7b8799}
.product-arrow{color:#2563eb}
.product-note{font-size:11px;color:#7b8799;margin:16px 4px 0}
.split-feature{background:#f3f6fb!important}
.feature-grid{gap:7%}
.feature-image{height:520px;border-radius:22px;box-shadow:var(--shadow)}
.feature-copy h2{font-size:clamp(34px,4.2vw,56px);font-weight:800;line-height:1.16}
.feature-list{border-top:1px solid #dce5f0}
.feature-list li{border-bottom:1px solid #dce5f0;font-size:13px;padding:15px 0}
.feature-list b{font-family:var(--sans);font-weight:800;color:#2563eb}
.process-grid{border-top:1px solid #e0e7f0;border-bottom:1px solid #e0e7f0}
.process-item{padding:27px 25px 30px 0}
.process-item:not(:last-child){border-right:1px solid #e0e7f0}
.process-item .num{font-family:var(--sans);font-size:28px;font-weight:800;color:#2563eb}
.process-item h3{font-size:16px;font-weight:750;margin:12px 0 7px}
.process-item p{font-size:12px;color:#68778e;line-height:1.8}
.journal-grid{gap:40px}
.journal-feature img{aspect-ratio:1.45;border-radius:18px;object-fit:cover}
.journal-feature h3{font-size:23px;font-weight:800;line-height:1.4}
.journal-feature p,.journal-item p{color:#6c7a90;line-height:1.8}
.journal-list{border-top:1px solid #e0e7f0}
.journal-item{padding:19px 0;border-bottom:1px solid #e0e7f0}
.journal-date{color:#2563eb;font-weight:800}
.journal-item h4{font-size:15px;font-weight:750;line-height:1.55}
.journal-item .arrow{color:#2563eb}
.cta-band{background:linear-gradient(120deg,#1748a5,#2563eb 58%,#0ea5e9);color:#fff;padding:74px 0}
.cta-band:after{display:none}
.cta-inner h2{font-size:clamp(32px,4.2vw,54px);font-weight:800}
.cta-inner p{color:#dce9ff;font-size:13px}
.cta-band .eyebrow{color:#dce9ff}
.cta-band .btn{background:#fff;color:#1d4ed8;border-color:#fff;border-radius:12px}
.cta-band .btn:hover{background:#eaf2ff;color:#1748a5}
.site-footer{background:#14233b;color:#e8eef8;padding:58px 0 22px}
.footer-brand p{color:#a9b7cb}
.footer-title{color:#9ec5ff;font-weight:750;letter-spacing:.04em}
.footer-links a,.footer-links span{font-size:12px;color:#c3cede}
.footer-links a:hover{color:#fff}
.footer-legal{border-top:1px solid #ffffff1a;color:#aab7ca}
.icp{color:#c3cede}
.page-hero{padding:72px 0 60px;background:linear-gradient(135deg,#f7faff,#edf4ff)!important;border-bottom:1px solid #e3ebf6}
.page-hero:after{display:none!important}
.page-hero h1{font-size:clamp(38px,5vw,62px);font-family:var(--sans);font-weight:850;letter-spacing:-.06em;line-height:1.12}
.page-hero p{max-width:650px;color:#66758c;line-height:1.95}
.breadcrumbs{font-size:11px;color:#718096}
.value-grid{gap:18px}
.value-card{background:#fff;border:1px solid #e5ebf3;border-radius:16px;box-shadow:0 8px 24px rgba(24,48,84,.035)}
.filter-bar{gap:10px}
.filter-btn{border:1px solid #dce5f0;background:#fff;border-radius:10px;padding:9px 14px;color:#66758c;font-weight:650}
.filter-btn.active,.filter-btn:hover{background:#2563eb;color:#fff;border-color:#2563eb}
.search-field{border-bottom:2px solid #cbd8e8}
.search-field input{color:#17243a}
.catalog-grid{gap:26px 20px}
.catalog-card .product-photo{aspect-ratio:1/1;border-radius:16px}
.notice{padding:16px 18px;background:#e8f7f4;color:#17675e;border-radius:12px}
.case-grid{gap:20px}
.case-card{background:#fff;border:1px solid #e5ebf3;border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(24,48,84,.035)}
.case-card img{min-height:240px}
.case-copy{padding:24px}
.case-copy .tag{color:#2563eb;font-weight:800}
.case-copy h3{font-size:20px;font-weight:800;line-height:1.4}
.case-copy p{color:#68778e;line-height:1.85}
.journal-cards{gap:22px}
.journal-card{background:#fff;border:1px solid #e5ebf3;border-radius:17px;overflow:hidden;padding:10px;box-shadow:0 8px 24px rgba(24,48,84,.035)}
.journal-card img{border-radius:12px}
.journal-card .meta{color:#2563eb;font-weight:750;padding:0 5px}
.journal-card h3,.journal-card p{margin-left:5px;margin-right:5px}
.journal-card h3{font-size:18px;font-weight:800}
.article-layout{gap:56px}
.article-content h2{font-size:25px;font-weight:800;line-height:1.4}
.article-content p{color:#5f6f86;line-height:2.05}
.article-content img{border-radius:16px}
.article-aside{border-left:1px solid #e0e7f0}
.article-aside h3{font-weight:800}
.article-aside a:hover{color:#2563eb}
.contact-grid{gap:7%}
.contact-aside h2{font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.05em}
.contact-details{border-top:1px solid #e0e7f0}
.contact-detail{border-bottom:1px solid #e0e7f0}
.contact-detail small{color:#2563eb;font-weight:800}
.form-card{background:#fff;border:1px solid #e4ebf4;border-radius:20px;padding:34px;box-shadow:0 20px 50px rgba(25,48,80,.08)}
.form-card h3{font-size:25px;font-weight:800}
.field label{color:#4e5f77;font-weight:700}
.field input,.field select,.field textarea{border:1px solid #dbe4f0;background:#fbfcfe;border-radius:10px;padding:13px 14px;color:#17243a}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb16}
.form-status{color:#0f766e}
.faq-list{border-top:1px solid #e0e7f0}
.faq-item{border-bottom:1px solid #e0e7f0}
.faq-question{font-size:16px;font-weight:750;line-height:1.55}
.faq-question span:last-child{color:#2563eb}
.faq-answer{color:#66758c;line-height:1.95}
.legal-copy h2{font-size:23px;font-weight:800}
.legal-copy p,.legal-copy li{color:#66758c}
.not-found .code{color:#2563eb;font-weight:900}
.back-top{width:46px;height:46px;background:#2563eb;color:#fff;border-radius:14px;box-shadow:0 10px 25px #2563eb30}
@media(max-width:1000px){.hero-visual .hero-image{height:500px}.footer-grid{gap:28px}.nav{gap:14px}}
@media(max-width:760px){
 .container{width:min(100% - 34px,var(--max))}.topbar{font-size:9px}.nav-wrap{height:70px}.brand-mark{width:37px;height:37px;border-radius:11px}.brand-name{font-size:17px}.nav{top:70px;background:#fff;padding:10px 22px 22px;box-shadow:0 16px 25px #17243a0c}.nav a{font-size:13px;border-bottom:1px solid #edf1f6}.hero{padding:42px 0 60px}.hero-grid{grid-template-columns:1fr;gap:30px}.hero-copy{padding:5px 0 0}.hero h1{font-size:clamp(40px,10.8vw,58px);margin:20px 0}.hero-copy p{font-size:13px}.hero-meta{margin-top:30px;gap:12px}.hero-meta strong{font-size:13px}.hero-meta span{font-size:10px}.hero-visual .hero-image{height:auto;aspect-ratio:1/1.03;border-radius:19px}.section{padding:68px 0}.section-sm{padding:48px 0}.section-head{margin-bottom:26px}.section-head h2{font-size:34px}.intro-grid{grid-template-columns:1fr;gap:12px}.intro-aside{display:block}.intro-copy h2{font-size:35px}.product-grid,.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 12px}.product-card{padding:7px;border-radius:14px}.product-photo,.product-photo img{border-radius:10px}.product-info{padding:12px 3px 5px}.product-info h3{font-size:15px}.product-info p{font-size:10px}.feature-grid,.story-grid,.contact-grid{grid-template-columns:1fr;gap:28px}.feature-image,.story-image{height:auto;aspect-ratio:1/1.05;border-radius:17px}.feature-copy h2,.story-copy h2{font-size:35px}.process-grid{grid-template-columns:1fr 1fr}.process-item{padding:20px 12px 20px 0}.process-item:not(:last-child){margin-right:12px}.process-item .num{font-size:25px}.process-item h3{font-size:15px}.journal-grid{grid-template-columns:1fr;gap:26px}.journal-feature h3{font-size:21px}.journal-item{grid-template-columns:58px 1fr 14px;gap:10px;padding:16px 0}.cta-band{padding:52px 0}.cta-inner{display:block}.cta-inner h2{font-size:34px}.cta-inner .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px;padding-bottom:32px}.footer-brand{grid-column:1/-1}.footer-legal{align-items:flex-start;flex-direction:column;gap:7px}.page-hero{padding:48px 0 38px}.page-hero h1{font-size:40px}.case-grid{grid-template-columns:1fr}.case-card{grid-template-columns:.85fr 1.15fr}.case-card img{height:100%;min-height:210px}.case-copy{padding:16px}.case-copy h3{font-size:17px}.journal-cards{grid-template-columns:1fr 1fr;gap:14px}.journal-card{padding:7px;border-radius:13px}.journal-card h3{font-size:15px}.journal-card p{font-size:11px}.article-layout{grid-template-columns:1fr;gap:28px}.article-aside{position:static;border-left:0;border-top:1px solid #e0e7f0;padding:18px 0 0}.article-content h2{font-size:23px}.form-card{padding:22px;border-radius:16px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-footer{align-items:flex-start;flex-direction:column}.contact-aside h2{font-size:34px}.not-found{padding:70px 0}
}
@media(max-width:420px){.container{width:calc(100% - 28px)}.hero h1{font-size:39px}.hero-meta{gap:6px}.hero-meta strong{font-size:12px}.product-grid,.catalog-grid{gap:14px 9px}.case-card{grid-template-columns:1fr}.case-card img{height:auto;aspect-ratio:1.35}.journal-cards{grid-template-columns:1fr}.journal-card img{aspect-ratio:1.4}.footer-grid{gap:22px 14px}.footer-links a,.footer-links span{font-size:11px}}