/* roulang page: index */
:root{
  --blue:#1769d1;
  --blue-deep:#0c3f88;
  --blue-soft:#eaf3ff;
  --orange:#f28b62;
  --ink:#182536;
  --muted:#64748b;
  --paper:#f7faff;
  --white:#fff;
  --line:#dce7f4;
  --radius:18px;
  --shadow:0 14px 38px rgba(30,74,125,.10);
  --shadow-hover:0 20px 42px rgba(30,74,125,.17);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,244,.8);transition:.25s}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-deep);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:6px 6px 0 #cfe2fb}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid #fff;border-radius:50%;left:9px;top:8px}
.logo small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:26px;color:#45566b;font-size:15px}
.nav-links a{position:relative;padding:27px 0;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue)}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;background:var(--orange);border-radius:3px}
.nav-cta,.btn-primary{background:var(--blue);color:#fff;padding:12px 20px;border-radius:10px;font-weight:700;box-shadow:0 8px 18px rgba(23,105,209,.2);transition:.25s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:9px 12px;border-radius:9px;font-size:22px}
main{overflow:hidden}
.hero{padding:76px 0 58px;background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 65%,#fff6f0 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:18px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-2px;margin-bottom:22px;color:#102a4d}
.hero-copy{font-size:18px;color:#52677f;max-width:680px}
.hero-actions{display:flex;gap:14px;margin:30px 0 34px;flex-wrap:wrap}
.btn-secondary{padding:11px 20px;border:1px solid #b8cde6;border-radius:10px;color:var(--blue-deep);font-weight:700;background:#fff;transition:.25s}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid #cfe0f1;padding-top:22px}
.hero-stat strong{font-size:25px;color:var(--blue-deep);display:block;line-height:1.2}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-image{height:410px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow);filter:saturate(.9)}
.visual-panel{position:absolute;left:-28px;bottom:25px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;box-shadow:var(--shadow);min-width:210px}
.visual-panel span{display:block;color:var(--muted);font-size:12px}
.visual-panel strong{display:block;color:var(--blue-deep);font-size:21px}
.section{padding:92px 0;position:relative}
.section.alt{background:#fff}
.section.dark{background:#102d55;color:#fff}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.section-heading h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-1px;color:var(--blue-deep)}
.dark .section-heading h2{color:#fff}
.section-heading p{max-width:570px;color:var(--muted)}
.dark .section-heading p{color:#bfd0e6}
.section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:9px}
.pain-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pain-item{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(30,74,125,.05)}
.pain-item b{color:var(--orange);font-size:25px;display:block;margin-bottom:10px}
.pain-item h3{font-size:19px;margin-bottom:7px}
.pain-item p{color:var(--muted);font-size:14px}
.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.case-feature{min-height:390px;position:relative;border-radius:22px;overflow:hidden;background:#174e9b}
.case-feature img{width:100%;height:100%;object-fit:cover;opacity:.72}
.case-overlay{position:absolute;inset:0;padding:30px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 25%,rgba(7,29,60,.9))}
.case-overlay h3{font-size:28px;color:#fff;margin:8px 0}
.case-overlay p{color:#dbe9fb;max-width:520px}
.case-side{display:grid;gap:22px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
.case-card .number{color:var(--orange);font-weight:800;font-size:14px}
.case-card h3{font-size:20px;margin:8px 0}
.case-card p{color:var(--muted);font-size:14px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{background:var(--blue-soft);color:var(--blue-deep);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:700}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.data-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:26px;border-radius:16px}
.data-card strong{font-size:38px;color:#fff;display:block;line-height:1.2}
.data-card span{color:#b9cde5;font-size:14px}
.data-card p{color:#dce8f6;margin-top:10px;font-size:13px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-box{padding:30px;border-radius:20px;border:1px solid var(--line);background:#fff}
.compare-box.highlight{background:var(--blue);color:#fff;border-color:var(--blue)}
.compare-box h3{font-size:22px;margin-bottom:18px}
.compare-list{list-style:none}
.compare-list li{padding:12px 0;border-bottom:1px dashed #cbd9e8;font-size:14px}
.highlight .compare-list li{border-color:rgba(255,255,255,.2);color:#e5f0ff}
.solution-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.solution-intro{position:sticky;top:110px}
.solution-intro h2{font-size:38px;line-height:1.25;color:var(--blue-deep);margin-bottom:18px}
.solution-intro p{color:var(--muted)}
.solution-list{border-top:1px solid var(--line)}
.solution-row{display:grid;grid-template-columns:80px 1fr 150px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);transition:.2s}
.solution-row:hover{padding-left:12px;background:#fff}
.solution-row b{font-size:25px;color:var(--orange)}
.solution-row h3{font-size:20px}
.solution-row p{color:var(--muted);font-size:14px}
.row-link{color:var(--blue);font-size:13px;font-weight:700;text-align:right}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.timeline:before{content:"";height:2px;background:#b9d2ef;position:absolute;top:24px;left:6%;right:6%}
.step{position:relative;text-align:center;padding:0 12px}
.step-num{width:50px;height:50px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;margin:0 auto 18px;font-weight:800;position:relative;z-index:1;border:6px solid var(--paper)}
.step h3{font-size:16px;margin-bottom:7px}
.step p{color:var(--muted);font-size:13px}
.delivery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.delivery{padding:20px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;text-align:center}
.delivery i{display:block;color:var(--blue);font-style:normal;font-size:24px;font-weight:800;margin-bottom:8px}
.delivery span{font-size:14px;font-weight:700}
.quote-box{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
.quote{background:#fff;border-radius:20px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow)}
.quote p{font-size:20px;line-height:1.7;color:#284667}
.quote footer{margin-top:22px;color:var(--muted);font-size:13px}
.audience-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.audience{padding:23px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}
.audience strong{display:block;color:var(--blue-deep);margin-bottom:8px}
.audience p{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.news-main{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.news-main img{width:100%;height:245px;object-fit:cover}
.news-content{padding:23px}
.news-content h3{font-size:23px;margin:8px 0}
.news-content p,.news-item p{font-size:14px;color:var(--muted)}
.news-list{display:grid;gap:12px}
.news-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.news-item h3{font-size:17px;margin:5px 0}
.news-date{font-size:12px;color:var(--orange);font-weight:700}
.metric-board{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.metric-line{margin:18px 0}
.metric-line label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:7px}
.bar{height:8px;background:#dbe8f6;border-radius:8px;overflow:hidden}
.bar i{height:100%;display:block;background:var(--blue);border-radius:8px}
.faq-list{max-width:850px;margin:auto}
details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 22px}
summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:700;display:flex;justify-content:space-between}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--blue);font-size:22px}
details[open]{border-color:#9fc2ea;box-shadow:var(--shadow)}
details[open] summary:after{content:"−"}
details p{padding:0 0 20px;color:var(--muted);font-size:14px}
.cta-section{padding:86px 0;background:linear-gradient(120deg,#e9f3ff,#fff7f1)}
.cta-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.cta-wrap h2{font-size:42px;line-height:1.25;color:var(--blue-deep);margin-bottom:15px}
.cta-wrap>div>p{color:var(--muted)}
.form-card{background:#fff;padding:28px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:#41566f}
.field input,.field textarea,.field select{border:1px solid #c8d8ea;border-radius:9px;padding:11px 13px;outline:0;background:#fbfdff;color:var(--ink);transition:.2s}
.field textarea{min-height:100px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,209,.12)}
.form-note{font-size:12px;color:var(--muted);margin-top:12px}
.site-footer{background:#102d55;color:#d7e5f5;padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-logo{color:#fff;margin-bottom:15px}
.footer-text{font-size:13px;color:#a9c1dc;max-width:300px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px}
.footer-col a{display:block;color:#a9c1dc;font-size:13px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#91abc7;font-size:12px}
:focus-visible{outline:3px solid rgba(242,139,98,.7);outline-offset:3px}
@media(max-width:1024px){
  .nav-links{gap:15px}.hero-grid{gap:32px}.audience-grid{grid-template-columns:repeat(3,1fr)}
  .delivery-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,600px)}.navbar{height:68px}.menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{display:none}.nav-cta{display:none}
  .hero{padding:52px 0 45px}.hero-grid,.solution-grid,.cta-wrap,.news-layout,.metric-board{grid-template-columns:1fr}
  .hero-image{height:300px}.visual-panel{left:14px;bottom:14px}.solution-intro{position:static}
  .section{padding:65px 0}.section-heading{display:block;margin-bottom:28px}.section-heading p{margin-top:12px}
  .pain-strip,.data-grid{grid-template-columns:repeat(2,1fr)}.case-grid,.compare,.quote-box{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:25px}.timeline:before{width:2px;height:90%;left:25px;top:25px;right:auto}
  .step{text-align:left;padding-left:75px}.step-num{position:absolute;left:0;top:0;margin:0}
  .delivery-grid{grid-template-columns:repeat(2,1fr)}.audience-grid{grid-template-columns:repeat(2,1fr)}
  .cta-wrap h2{font-size:34px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}
}
@media(max-width:520px){
  body{font-size:15px}.container{width:calc(100% - 28px)}h1{font-size:37px;letter-spacing:-1.5px}
  .hero-copy{font-size:16px}.hero-actions{display:grid}.hero-actions a{text-align:center}.hero-stats{gap:18px}
  .pain-strip,.data-grid,.delivery-grid,.audience-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}.case-feature{min-height:330px}.case-overlay h3{font-size:23px}
  .solution-row{grid-template-columns:48px 1fr}.row-link{grid-column:2;text-align:left}
  .quote p{font-size:17px}.cta-wrap h2{font-size:30px}.footer-grid{gap:25px}
}

/* roulang page: category1 */
:root{
 --blue:#1769d1;--blue-deep:#0c3f88;--blue-soft:#eaf3ff;--orange:#f28b62;
 --ink:#182536;--muted:#64748b;--paper:#f7faff;--white:#fff;--line:#dce7f4;
 --radius:18px;--shadow:0 14px 38px rgba(30,74,125,.10);
 --shadow-hover:0 20px 42px rgba(30,74,125,.17);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,244,.85)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-deep);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:6px 6px 0 #cfe2fb}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid #fff;border-radius:50%;left:9px;top:8px}
.logo small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:26px;color:#45566b;font-size:15px}
.nav-links a{position:relative;padding:27px 0;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue)}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;background:var(--orange);border-radius:3px}
.nav-cta,.btn-primary{background:var(--blue);color:#fff!important;padding:12px 20px!important;border-radius:10px;font-weight:700;box-shadow:0 8px 18px rgba(23,105,209,.2);transition:.25s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:9px 12px;border-radius:9px;font-size:22px}
main{overflow:hidden}
.page-hero{padding:72px 0 64px;background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 65%,#fff6f0 100%);border-bottom:1px solid var(--line)}
.page-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:64px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1.4px;margin-bottom:16px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-2px;color:var(--blue-deep);margin-bottom:22px}
.hero-copy{font-size:18px;color:#52677f;max-width:650px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn-secondary{padding:11px 20px;border:1px solid #b8cde6;border-radius:10px;color:var(--blue-deep);font-weight:700;background:#fff;transition:.25s}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
.hero-image{height:390px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
.hero-note{display:flex;gap:20px;margin-top:28px;padding-top:20px;border-top:1px solid #cfe0f1;color:var(--muted);font-size:13px}
.hero-note strong{display:block;color:var(--blue-deep);font-size:22px;line-height:1.2}
.section{padding:88px 0;position:relative}
.section.alt{background:#fff}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-heading h2{font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-1px;color:var(--blue-deep);margin-bottom:0}
.section-heading p{max-width:560px;color:var(--muted);margin-bottom:0}
.section-kicker{color:var(--orange);margin-bottom:10px}
.service-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.service-tabs a,.tag{background:var(--blue-soft);color:var(--blue-deep);padding:7px 13px;border-radius:30px;font-size:13px;font-weight:700;transition:.2s}
.service-tabs a:hover,.tag:hover{background:#d5e8ff;color:var(--blue)}
.service-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:46px;align-items:start}
.service-intro{padding:30px;background:#102d55;color:#fff;border-radius:22px;position:sticky;top:105px}
.service-intro h3{font-size:26px;margin-bottom:12px}
.service-intro p{color:#c9daed;font-size:14px}
.service-intro .serial{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:1px}
.service-list{border-top:1px solid var(--line)}
.service-row{display:grid;grid-template-columns:72px 1fr 130px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);transition:.25s}
.service-row:hover{padding-left:14px;background:#fff}
.service-row b{font-size:25px;color:var(--orange)}
.service-row h3{font-size:20px;margin:0 0 5px}
.service-row p{font-size:14px;color:var(--muted);margin:0}
.row-link{color:var(--blue);font-size:13px;font-weight:700;text-align:right}
.delivery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.delivery-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px 18px;box-shadow:0 8px 24px rgba(30,74,125,.05);transition:.25s}
.delivery-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.delivery-card b{display:block;color:var(--blue);font-size:14px;margin-bottom:15px}
.delivery-card h3{font-size:18px;margin-bottom:8px}
.delivery-card p{font-size:13px;color:var(--muted);margin-bottom:0}
.scenario-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scenario-card{min-height:220px;border:1px solid var(--line);border-radius:20px;background:#fff;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.scenario-card:after{content:"";position:absolute;width:110px;height:110px;border:1px solid #d8e8fa;border-radius:50%;right:-32px;bottom:-42px}
.scenario-card h3{font-size:23px;color:var(--blue-deep);margin-bottom:9px}
.scenario-card p{color:var(--muted);font-size:14px;max-width:380px}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid #bdd1e7}
.process-item{padding:24px 18px 10px;border-right:1px dashed #b8cde3;position:relative}
.process-item:last-child{border-right:0}
.process-item:before{content:"";position:absolute;top:-8px;left:18px;width:15px;height:15px;background:var(--orange);border:4px solid var(--paper);border-radius:50%}
.process-item strong{font-size:13px;color:var(--blue);letter-spacing:1px}
.process-item h3{font-size:18px;margin:10px 0 5px}
.process-item p{font-size:13px;color:var(--muted);margin:0}
.metrics{background:#102d55;color:#fff}
.metrics .section-heading h2{color:#fff}
.metrics .section-heading p{color:#bfd0e6}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{padding:25px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:16px}
.metric strong{display:block;color:#fff;font-size:34px;line-height:1.2}
.metric span{color:#b9cde5;font-size:14px}
.metric p{color:#dce8f6;font-size:13px;margin:10px 0 0}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px}
.faq-intro h2{font-size:38px;color:var(--blue-deep);line-height:1.25}
.faq-intro p{color:var(--muted)}
details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:12px;transition:.2s}
details[open]{border-color:#b7d0ef;box-shadow:0 8px 20px rgba(30,74,125,.06)}
summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--blue-deep);position:relative;padding-right:50px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:22px;color:var(--orange);font-size:22px;top:13px}
details[open] summary:after{content:"−"}
details p{padding:0 22px 18px;color:var(--muted);font-size:14px;margin:0}
.cta{padding:68px 0;background:linear-gradient(110deg,#eaf3ff,#fff7f2)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:var(--blue-deep);font-size:clamp(28px,3vw,40px);margin-bottom:10px}
.cta p{color:var(--muted);margin:0}
.site-footer{padding:58px 0 22px;background:#fff;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-text{font-size:14px;color:var(--muted);max-width:290px;margin-top:18px}
.footer-col{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--muted)}
.footer-col h3{font-size:15px;color:var(--blue-deep);margin-bottom:8px}
.footer-col a:hover{color:var(--blue)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:18px;color:#8795a7;font-size:12px}
:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}
@media(max-width:1024px){
 .page-hero-grid,.service-layout,.faq-grid{grid-template-columns:1fr 1fr;gap:30px}
 .delivery-grid{grid-template-columns:repeat(3,1fr)}
 .process{grid-template-columns:repeat(3,1fr);row-gap:30px}
 .process-item:nth-child(3){border-right:0}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 34px))}
 .navbar{height:68px}
 .menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:17px;right:17px;top:76px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 0}
 .nav-links a.active:after{display:none}
 .nav-cta{text-align:center;margin-top:6px}
 .page-hero{padding:52px 0}
 .page-hero-grid,.service-layout,.scenario-layout,.faq-grid{grid-template-columns:1fr}
 .hero-image{height:280px}
 .service-intro{position:static}
 .section{padding:64px 0}
 .section-heading{display:block;margin-bottom:28px}
 .section-heading p{margin-top:14px}
 .delivery-grid{grid-template-columns:repeat(2,1fr)}
 .process{grid-template-columns:1fr 1fr}
 .process-item:nth-child(2),.process-item:nth-child(4){border-right:0}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-box{display:block}
 .cta-box .btn-primary{display:inline-block;margin-top:22px}
}
@media(max-width:520px){
 h1{font-size:38px}
 .hero-copy{font-size:16px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions a{text-align:center}
 .hero-note{gap:14px}
 .service-row{grid-template-columns:45px 1fr}
 .row-link{grid-column:2;text-align:left}
 .delivery-grid,.metric-grid,.process{grid-template-columns:1fr}
 .process-item{border-right:0!important;border-bottom:1px dashed #b8cde3;padding-left:25px}
 .process-item:last-child{border-bottom:0}
 .scenario-card{min-height:180px}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block}
 .copyright span{display:block;margin-bottom:6px}
}

/* roulang page: category2 */
:root{
      --blue:#1769d1;
      --blue-deep:#0c3f88;
      --blue-soft:#eaf3ff;
      --orange:#f28b62;
      --ink:#182536;
      --muted:#64748b;
      --paper:#f7faff;
      --white:#fff;
      --line:#dce7f4;
      --radius:18px;
      --shadow:0 14px 38px rgba(30,74,125,.10);
      --shadow-hover:0 20px 42px rgba(30,74,125,.17);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,244,.8)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-deep);letter-spacing:-.5px;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:6px 6px 0 #cfe2fb}
    .logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid #fff;border-radius:50%;left:9px;top:8px}
    .logo small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:1px}
    .nav-links{display:flex;align-items:center;gap:26px;color:#45566b;font-size:15px}
    .nav-links a{position:relative;padding:27px 0;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--blue)}
    .nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;background:var(--orange);border-radius:3px}
    .nav-links .nav-cta{padding:12px 20px;color:#fff;background:var(--blue);border-radius:10px;font-weight:700;box-shadow:0 8px 18px rgba(23,105,209,.2)}
    .nav-links .nav-cta:hover{color:#fff;background:var(--blue-deep);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:8px 12px;border-radius:9px;font-size:22px}
    .hero{padding:78px 0 66px;background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 65%,#fff6f0 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:64px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-2px;color:var(--blue-deep);margin:18px 0}
    .hero-copy{font-size:18px;color:#52677f;max-width:650px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 0}
    .btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:10px;font-weight:700;transition:.25s}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{border:1px solid #b8cde6;color:var(--blue-deep);background:#fff}
    .btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:380px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow);filter:saturate(.9)}
    .visual-badge{position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);font-size:13px;color:var(--muted)}
    .visual-badge strong{display:block;color:var(--blue-deep);font-size:24px;line-height:1.2}
    .section{padding:88px 0}
    .section.alt{background:#fff}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px}
    .section-heading h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-1px;color:var(--blue-deep);margin:10px 0 0}
    .section-heading p{max-width:560px;color:var(--muted);margin-bottom:0}
    .filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:30px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 22px rgba(30,74,125,.05)}
    .filter-label{font-weight:800;color:var(--blue-deep)}
    .filter-list{display:flex;gap:8px;flex-wrap:wrap}
    .filter-list button{padding:8px 14px;border:1px solid var(--line);border-radius:30px;background:#fff;color:var(--muted);transition:.2s}
    .filter-list button:hover,.filter-list button.active{background:var(--blue);border-color:var(--blue);color:#fff}
    .case-list{display:grid;gap:26px}
    .case-item{display:grid;grid-template-columns:42% 1fr;min-height:310px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:.25s}
    .case-item:nth-child(even){grid-template-columns:1fr 42%}
    .case-item:nth-child(even) .case-image{order:2}
    .case-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .case-image{min-height:310px;overflow:hidden;background:var(--blue-soft)}
    .case-image img{width:100%;height:100%;object-fit:cover;transition:.4s}
    .case-item:hover .case-image img{transform:scale(1.04)}
    .case-content{padding:34px 38px;display:flex;flex-direction:column;justify-content:center}
    .case-index{color:var(--orange);font-weight:800;letter-spacing:1px;font-size:13px}
    .case-content h3{font-size:26px;color:var(--blue-deep);margin:10px 0 12px}
    .case-content p{color:var(--muted);font-size:15px;margin-bottom:18px}
    .case-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-top:17px;border-top:1px solid var(--line)}
    .case-meta span{display:block;color:var(--muted);font-size:12px}
    .case-meta b{display:block;color:var(--ink);font-size:14px;margin-top:3px}
    .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
    .tag{background:var(--blue-soft);color:var(--blue-deep);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:700}
    .method-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .method-intro{color:var(--muted);font-size:17px}
    .method-track{border-top:1px solid var(--line)}
    .method-row{display:grid;grid-template-columns:70px 1fr 150px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
    .method-row:hover{padding-left:12px;background:#fff}
    .method-row strong{font-size:25px;color:var(--orange)}
    .method-row h3{font-size:19px;margin:0 0 3px}
    .method-row p{font-size:14px;color:var(--muted);margin:0}
    .method-state{color:var(--blue);font-size:13px;font-weight:800;text-align:right}
    .metric-section{background:#102d55;color:#fff}
    .metric-section .section-heading h2{color:#fff}
    .metric-section .section-heading p{color:#bfd0e6}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:25px;border-radius:16px}
    .metric-card strong{font-size:35px;color:#fff;display:block;line-height:1.2}
    .metric-card span{color:#b9cde5;font-size:14px}
    .metric-card p{color:#dce8f6;margin:10px 0 0;font-size:13px}
    .quote-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
    .quote-mark{font-size:52px;color:var(--orange);line-height:.8}
    .quote-card blockquote{font-size:22px;line-height:1.6;color:var(--blue-deep);margin:16px 0 20px}
    .quote-card footer{color:var(--muted);font-size:13px}
    .support-panel{background:var(--blue-soft);border:1px solid #cfe2fb;border-radius:20px;padding:30px}
    .support-panel h3{color:var(--blue-deep);font-size:22px}
    .support-list{list-style:none;padding:0;margin:0}
    .support-list li{padding:13px 0;border-bottom:1px dashed #bdd4ef;color:#52677f}
    .support-list li:before{content:"✓";color:var(--orange);font-weight:800;margin-right:10px}
    .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .news-feature{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .news-feature img{height:240px;width:100%;object-fit:cover}
    .news-body{padding:25px}
    .news-body h3{font-size:24px;color:var(--blue-deep);margin:7px 0 10px}
    .news-body p,.news-row p{font-size:14px;color:var(--muted);margin:0}
    .news-list{display:grid;gap:12px}
    .news-row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.2s}
    .news-row:hover{border-color:#a9c8ec;transform:translateX(4px)}
    .news-row small{color:var(--orange);font-weight:800}
    .news-row h3{font-size:17px;color:var(--blue-deep);margin:5px 0}
    .cta{padding:70px 0;background:linear-gradient(110deg,#eaf3ff,#fff5ef)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{font-size:clamp(28px,3vw,42px);color:var(--blue-deep);margin:0 0 10px}
    .cta p{color:var(--muted);margin:0}
    .site-footer{padding:58px 0 22px;background:#fff;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{margin-bottom:16px}
    .footer-text{max-width:310px;color:var(--muted);font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:15px;color:var(--blue-deep);margin:0 0 7px}
    .footer-col a{color:var(--muted);font-size:14px;transition:.2s}
    .footer-col a:hover{color:var(--blue)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:#8a9aab;font-size:12px}
    :focus-visible{outline:3px solid rgba(242,139,98,.65);outline-offset:3px}
    @media(max-width:900px){
      .nav-links{gap:15px}
      .hero-grid,.method-layout,.quote-grid,.news-layout{grid-template-columns:1fr}
      .hero-visual{max-width:700px}
      .case-item,.case-item:nth-child(even){grid-template-columns:1fr}
      .case-item:nth-child(even) .case-image{order:0}
      .case-image{min-height:250px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:720px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 0}
      .nav-links a.active:after{display:none}
      .nav-links .nav-cta{text-align:center;margin:8px 0}
      .hero{padding:55px 0 48px}
      h1{font-size:42px}
      .hero-copy{font-size:16px}
      .hero-visual img{height:280px}
      .visual-badge{left:12px;bottom:12px}
      .section{padding:62px 0}
      .section-heading{display:block;margin-bottom:27px}
      .section-heading p{margin-top:14px}
      .filter-bar{align-items:flex-start;flex-direction:column}
      .case-content{padding:25px 22px}
      .case-content h3{font-size:23px}
      .case-meta{grid-template-columns:1fr}
      .method-row{grid-template-columns:48px 1fr}
      .method-state{text-align:left;grid-column:2}
      .metric-grid{grid-template-columns:1fr 1fr;gap:10px}
      .metric-card{padding:18px}
      .metric-card strong{font-size:28px}
      .cta-box{display:block}
      .cta-box .btn-primary{margin-top:22px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }
    @media(max-width:480px){
      .metric-grid,.footer-grid{grid-template-columns:1fr}
      .hero-actions{display:grid}
      .btn-primary,.btn-secondary{width:100%}
      h1{font-size:36px}
      .case-image{min-height:210px}
    }

/* roulang page: category3 */
:root{
 --blue:#1769d1;
 --blue-deep:#0c3f88;
 --blue-soft:#eaf3ff;
 --orange:#f28b62;
 --ink:#182536;
 --muted:#64748b;
 --paper:#f7faff;
 --white:#fff;
 --line:#dce7f4;
 --radius:18px;
 --shadow:0 14px 38px rgba(30,74,125,.10);
 --shadow-hover:0 20px 42px rgba(30,74,125,.17);
 --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,244,.8);transition:.25s}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-deep);letter-spacing:-.5px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;box-shadow:6px 6px 0 #cfe2fb}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid #fff;border-radius:50%;left:9px;top:8px}
.logo small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:26px;color:#45566b;font-size:15px}
.nav-links a{position:relative;padding:27px 0;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue)}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;background:var(--orange);border-radius:3px}
.nav-cta,.btn-primary{background:var(--blue);color:#fff;padding:12px 20px;border-radius:10px;font-weight:700;box-shadow:0 8px 18px rgba(23,105,209,.2);transition:.25s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:9px 12px;border-radius:9px;font-size:22px}
main{overflow:hidden}
.page-intro{padding:84px 0 58px;background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 68%,#fff6f0 100%);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1.5px;margin-bottom:17px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:0 0 22px;color:var(--blue-deep)}
.intro-copy{font-size:18px;color:#52677f;max-width:650px;margin:0}
.intro-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:29px}
.btn-secondary{padding:11px 20px;border:1px solid #b8cde6;border-radius:10px;color:var(--blue-deep);font-weight:700;background:#fff;transition:.25s}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
.intro-visual{position:relative}
.intro-visual img{width:100%;height:330px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
.signal-card{position:absolute;left:-22px;bottom:-20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;box-shadow:var(--shadow);min-width:180px}
.signal-card strong{display:block;color:var(--blue-deep);font-size:28px;line-height:1.2}
.signal-card span{font-size:13px;color:var(--muted)}
.section{padding:82px 0;position:relative}
.section.alt{background:#fff}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-heading h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-1px;color:var(--blue-deep);margin:0}
.section-heading p{max-width:570px;color:var(--muted);margin:0}
.section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
.topic-strip{display:flex;gap:12px;flex-wrap:wrap;padding:21px 24px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px rgba(30,74,125,.05)}
.topic-strip a,.tag{background:var(--blue-soft);color:var(--blue-deep);padding:7px 13px;border-radius:30px;font-size:13px;font-weight:700;transition:.2s}
.topic-strip a:hover,.tag:hover{background:#d6e8ff;color:var(--blue)}
.feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:24px}
.feature-article{position:relative;min-height:390px;border-radius:22px;overflow:hidden;background:#174e9b;color:#fff}
.feature-article img{width:100%;height:100%;object-fit:cover;opacity:.7;transition:.35s}
.feature-article:hover img{transform:scale(1.04);opacity:.58}
.feature-overlay{position:absolute;inset:0;padding:30px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(0deg,rgba(8,39,83,.88),rgba(8,39,83,.05) 72%)}
.feature-overlay h3{font-size:28px;line-height:1.35;margin:11px 0 8px;max-width:620px}
.feature-overlay p{margin:0;color:#dbe8f7;max-width:600px}
.article-meta{font-size:12px;color:#dcecff;letter-spacing:.4px}
.side-articles{display:grid;gap:14px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;box-shadow:0 8px 24px rgba(30,74,125,.05);transition:.25s}
.article-card:hover,.insight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.article-card h3{font-size:19px;line-height:1.45;margin:10px 0 7px;color:var(--blue-deep)}
.article-card p{font-size:14px;color:var(--muted);margin:0}
.meta-line{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}
.meta-line b{color:var(--orange)}
.read-link{display:inline-block;color:var(--blue);font-size:13px;font-weight:800;margin-top:14px}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.insight-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow);transition:.25s}
.insight-card .index{font-size:30px;font-weight:800;color:#c8dff9;line-height:1}
.insight-card h3{font-size:20px;margin:17px 0 8px}
.insight-card p{font-size:14px;color:var(--muted);margin:0}
.reading-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:46px;align-items:start}
.reading-list{border-top:1px solid var(--line)}
.reading-row{display:grid;grid-template-columns:95px 1fr 70px;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.reading-row time{font-size:13px;color:var(--orange);font-weight:800}
.reading-row h3{font-size:18px;margin:0 0 4px;color:var(--blue-deep)}
.reading-row p{font-size:13px;color:var(--muted);margin:0}
.reading-row a{color:var(--blue);font-weight:700;font-size:13px;text-align:right}
.index-panel{background:#102d55;color:#fff;padding:32px;border-radius:20px;box-shadow:var(--shadow)}
.index-panel h3{font-size:25px;margin:0 0 15px}
.index-panel p{color:#bfd0e6;font-size:14px}
.index-item{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:15px;font-size:14px}
.index-item span:last-child{color:#ffb197;font-weight:800}
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px}
.faq-intro p{color:var(--muted)}
details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:12px;padding:0 20px;transition:.2s}
details[open]{border-color:#a8c9ee;box-shadow:0 8px 22px rgba(30,74,125,.07)}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:var(--blue-deep);position:relative;padding-right:28px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px;top:14px}
details[open] summary:after{content:"−"}
details p{font-size:14px;color:var(--muted);padding:0 0 18px;margin:0}
.cta-section{padding:76px 0;background:#eaf3ff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border:1px solid #cfe0f1;border-radius:22px;padding:38px 42px;box-shadow:var(--shadow)}
.cta-box h2{font-size:32px;color:var(--blue-deep);margin:0 0 8px}
.cta-box p{color:var(--muted);margin:0}
.consult-form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700;color:var(--blue-deep)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border:1px solid #c9d9ea;border-radius:10px;background:#fff;color:var(--ink);outline:none;transition:.2s}
.form-field textarea{min-height:110px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,209,.12)}
.form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-text{font-size:14px;color:var(--muted);max-width:290px;margin-top:18px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h3{font-size:15px;color:var(--blue-deep);margin:0 0 8px}
.footer-col a{font-size:14px;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--blue);transform:translateX(3px)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:18px;color:#8191a5;font-size:12px}
:focus-visible{outline:3px solid rgba(242,139,98,.55);outline-offset:3px}
@media(max-width:1024px){
 .intro-grid,.feature-layout,.reading-layout{grid-template-columns:1fr}
 .intro-visual{max-width:700px}
 .article-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .navbar{height:68px}
 .menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}
 .nav-links a{padding:13px 0;border-bottom:1px solid #eef3f8}
 .nav-links a:last-child{border-bottom:0}
 .nav-links a.active:after{display:none}
 .nav-links .nav-cta{text-align:center;margin:9px 0;padding:11px}
 .page-intro{padding:58px 0 45px}
 h1{font-size:42px}
 .section{padding:62px 0}
 .section-heading{display:block;margin-bottom:26px}
 .section-heading p{margin-top:12px}
 .cta-box{display:block;padding:28px}
 .cta-box .btn-primary{display:inline-block;margin-top:22px}
}
@media(max-width:520px){
 body{font-size:15px}
 .logo{font-size:14px}
 .logo-mark{width:30px;height:30px}
 .logo small{font-size:8px}
 h1{font-size:35px;letter-spacing:-1px}
 .intro-copy{font-size:16px}
 .intro-visual img{height:250px}
 .signal-card{left:12px;bottom:-18px}
 .feature-article{min-height:320px}
 .feature-overlay{padding:22px}
 .feature-overlay h3{font-size:23px}
 .article-grid{grid-template-columns:1fr}
 .reading-row{grid-template-columns:1fr;gap:3px}
 .reading-row a{text-align:left}
 .consult-form{grid-template-columns:1fr}
 .form-field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .copyright{display:block;line-height:2}
}