/* roulang page: index */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;--shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.03em}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px}
    .hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;background:var(--navy) url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,35,43,.9) 0%,rgba(9,35,43,.7) 43%,rgba(9,35,43,.2) 100%)}
    .hero-content{position:relative;color:#fff;padding:92px 28px 105px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    .hero h1{font-size:clamp(43px,6vw,76px);max-width:680px;margin:20px 0 20px;color:#fff}
    .hero p{font-size:18px;color:#d5e5df;max-width:650px;margin-bottom:28px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-light{background:#f5fbf8;border-color:#f5fbf8}
    .hero-note{display:flex;gap:25px;margin-top:48px;flex-wrap:wrap}
    .hero-note strong{display:block;font-size:24px;color:#fff}
    .hero-note span{color:#adc9c3;font-size:13px}
    .countdown{background:#f0a06e;color:#3f2418;padding:14px 0}
    .countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .countdown strong{font-size:15px}.timer{display:flex;align-items:center;gap:9px;font-weight:800}
    .timer b{background:#fff3e8;padding:4px 9px;border-radius:7px;color:#a94e2b}
    section{padding:92px 0}
    .section-head{max-width:700px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);margin:12px 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head.center .section-kicker{justify-content:center}
    .benefit-band{background:#fff}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .metric{padding:25px 23px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .metric .icon{font-size:25px;color:var(--orange);margin-bottom:12px}
    .metric h3{font-size:19px;margin-bottom:8px}.metric p{font-size:14px;color:var(--muted);margin:0}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .visual-card{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);min-height:440px}
    .visual-card img{width:100%;height:440px;object-fit:cover}
    .visual-caption{position:absolute;left:22px;right:22px;bottom:22px;background:rgba(16,43,53,.86);backdrop-filter:blur(12px);padding:18px 20px;border-radius:16px;color:#fff}
    .visual-caption b{display:block;font-size:18px}.visual-caption span{font-size:13px;color:#bfddd5}
    .number-list{list-style:none;margin:0;padding:0}.number-list li{display:flex;gap:17px;padding:18px 0;border-bottom:1px solid var(--line)}
    .number-list i{font-style:normal;color:var(--orange);font-weight:800;font-size:18px}.number-list b{display:block;margin-bottom:3px}.number-list span{color:var(--muted);font-size:14px}
    .dark-section{background:var(--navy);color:#fff}.dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:#b7cfca}
    .dark-section .section-kicker{color:#86d7c5}
    .theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .theme-card{min-height:285px;border-radius:20px;overflow:hidden;position:relative;background:#21444a}
    .theme-card img{width:100%;height:100%;object-fit:cover;opacity:.64;transition:.4s}
    .theme-card:hover img{transform:scale(1.05);opacity:.8}
    .theme-card-content{position:absolute;inset:auto 20px 19px;color:#fff}.theme-card h3{font-size:23px;margin:0 0 7px}.theme-card p{font-size:14px;color:#e2f0eb;margin:0}
    .feature-section{background:#eaf4ef}
    .feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .feature-main,.feature-side{background:#fff;border:1px solid #dceae3;border-radius:22px;padding:29px}
    .feature-main{min-height:330px;background:linear-gradient(135deg,#fff 0%,#e6f4ed 100%)}
    .feature-main h3{font-size:30px;max-width:450px;color:var(--navy)}.feature-main p{max-width:580px;color:var(--muted)}
    .tag{display:inline-block;padding:5px 10px;border-radius:20px;background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:700;margin:3px}
    .feature-side{display:flex;flex-direction:column;justify-content:space-between}.feature-side h3{font-size:21px}.feature-side p{font-size:14px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;padding:27px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--soft-shadow)}
    .quote-card blockquote{font-size:18px;line-height:1.65;margin:0 0 22px;color:var(--navy)}.quote-card cite{font-style:normal;font-size:13px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:27px 22px 10px;border-right:1px solid var(--line)}.step:last-child{border:0}.step-num{color:var(--orange);font-weight:900;font-size:14px}.step h3{font-size:19px;margin:12px 0 8px}.step p{color:var(--muted);font-size:14px}
    .rank-section{background:#fff}
    .rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .rank-item{display:flex;align-items:center;gap:18px;padding:17px;border:1px solid var(--line);border-radius:15px;background:#fbfcfa}
    .rank-no{font-size:24px;font-weight:900;color:var(--orange);width:32px}.rank-item h3{font-size:17px;margin:0 0 3px}.rank-item p{font-size:13px;color:var(--muted);margin:0}.rank-item .btn{margin-left:auto;padding:8px 12px;font-size:12px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{padding:25px 20px;background:#fff;border-radius:18px;text-align:center;border:1px solid var(--line)}.stat strong{font-size:38px;color:var(--teal);display:block}.stat span{font-size:13px;color:var(--muted)}
    .brand-story{background:#f0a06e}.brand-story .split{gap:58px}.brand-story h2{font-size:39px;color:#3f2418}.brand-story p{color:#633f31;font-size:16px}.story-box{background:#fff5ed;border-radius:24px;padding:32px;color:#633f31;border:1px solid rgba(111,63,39,.15)}
    .news-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:35px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-date{font-size:13px;color:var(--orange);font-weight:800}.news-item h3{font-size:18px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.news-item .btn{padding:8px 12px;font-size:12px}.recommend{background:var(--navy);color:#fff;border-radius:22px;padding:27px}.recommend h3{font-size:23px}.recommend p{color:#bdd4ce;font-size:14px}.recommend ul{padding-left:18px;color:#d8ebe5;font-size:14px}.recommend li{margin:10px 0}
    .updates{background:#eaf4ef}.update-row{display:grid;grid-template-columns:130px 1fr 125px;gap:20px;align-items:center;padding:18px 20px;background:#fff;border-bottom:1px solid var(--line)}.update-row:first-child{border-radius:15px 15px 0 0}.update-row:last-child{border-radius:0 0 15px 15px}.update-row time{font-size:13px;color:var(--muted)}.update-row b{font-size:15px}.status{justify-self:end;background:var(--mint);color:var(--teal-dark);padding:4px 10px;border-radius:20px;font-size:12px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 23px}.faq-item h3{font-size:17px;margin:0 0 9px;color:var(--navy)}.faq-item p{font-size:14px;color:var(--muted);margin:0}
    .form-section{background:var(--navy);color:#fff}.form-section h2{color:#fff}.form-section .section-head p{color:#b7cfca}.form-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}.contact-points{list-style:none;margin:0;padding:0}.contact-points li{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#c3d8d2}.contact-points b{display:block;color:#fff;margin-bottom:2px}.lead-form{background:#fff;border-radius:22px;padding:27px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:15px}.lead-form label{font-size:13px;font-weight:700}.lead-form input,.lead-form textarea,.lead-form select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;margin-top:6px;outline:0;background:#fbfcfa}.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,117,109,.12)}.lead-form .full{grid-column:1/-1}.lead-form textarea{min-height:92px;resize:vertical}.form-tip{font-size:12px;color:var(--muted);margin:0}.cta{padding:78px 0;background:var(--mint)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:38px;color:var(--navy);margin:0 0 8px}.cta p{color:#52716b;margin:0}.site-footer{background:#0b232b;color:#b3c9c4;padding:52px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}.footer-brand{color:#fff}.footer-top p{max-width:390px;font-size:14px}.footer-nav{display:flex;gap:13px;flex-wrap:wrap;align-content:flex-start}.footer-nav a{font-size:13px;color:#c8ddd8}.footer-nav a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#87a7a0;flex-wrap:wrap}.footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){.main-nav{gap:0;margin-left:0}.main-nav a{padding:8px 7px}.command-search{width:125px}.benefit-grid,.stats{grid-template-columns:repeat(2,1fr)}.split{gap:35px}.theme-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:768px){.nav-shell{min-height:66px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:18px;right:18px;top:73px;background:#fff;padding:12px;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--line);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.nav-actions{display:none}.hero{min-height:590px}.hero-content{padding:75px 28px 85px}.split,.feature-grid,.news-layout,.form-wrap{grid-template-columns:1fr}.visual-card{min-height:330px}.visual-card img{height:330px}.theme-grid,.quote-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(3),.step:nth-child(4){border-top:1px solid var(--line)}.news-item{grid-template-columns:90px 1fr}.news-item .btn{grid-column:2;justify-self:start}.cta-inner{display:block}.cta .btn{margin-top:22px}}
    @media(max-width:520px){.container{padding:0 19px}.hero h1{font-size:43px}.hero p{font-size:16px}.countdown-inner{display:block;text-align:center}.timer{justify-content:center;margin-top:6px}.benefit-grid,.theme-grid,.quote-grid,.stats,.rank-list,.faq-grid{grid-template-columns:1fr}section{padding:68px 0}.section-head h2{font-size:32px}.feature-main,.feature-side{padding:22px}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line);padding:21px 0}.step:last-child{border-bottom:0}.update-row{grid-template-columns:1fr auto;gap:5px 14px}.update-row b{grid-column:1/-1;grid-row:1}.update-row time{grid-row:2}.status{grid-row:2}.lead-form{grid-template-columns:1fr;padding:20px}.lead-form .full{grid-column:auto}.footer-top{display:block}.footer-nav{margin-top:20px}.brand-story h2,.cta h2{font-size:31px}}

/* roulang page: category1 */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;--shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px}
    .subhero{position:relative;overflow:hidden;background:var(--navy) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .subhero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,35,43,.94),rgba(9,35,43,.68),rgba(9,35,43,.28))}
    .subhero-inner{position:relative;padding:86px 28px 92px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .subhero h1{font-size:clamp(40px,6vw,70px);line-height:1.18;max-width:760px;margin:20px 0 18px;color:#fff}
    .subhero p{font-size:18px;color:#d5e5df;max-width:700px;margin:0 0 28px}
    .hero-strip{display:flex;gap:12px;flex-wrap:wrap}
    .status{padding:9px 14px;border:1px solid rgba(255,255,255,.2);border-radius:30px;background:rgba(255,255,255,.08);font-size:13px;color:#d9eee8}
    section{padding:88px 0}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.3;margin:12px 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head.center .section-kicker{justify-content:center}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
    .intro-copy p{font-size:17px;color:var(--muted);margin-bottom:20px}
    .visual-card{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .visual-card img{width:100%;height:390px;object-fit:cover}
    .visual-caption{position:absolute;left:20px;right:20px;bottom:18px;padding:16px 18px;border-radius:16px;background:rgba(16,43,53,.82);color:#fff}
    .visual-caption b{display:block;font-size:18px}.visual-caption span{font-size:13px;color:#c6ded7}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
    .metric{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .metric strong{display:block;color:var(--teal);font-size:29px;line-height:1.2}.metric span{font-size:13px;color:var(--muted)}
    .soft-section{background:#eaf4ef}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:#fff;border:1px solid #dceae3;border-radius:20px;padding:27px;min-height:230px;transition:.25s}
    .feature-card:hover,.scene-card:hover,.quote-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow)}
    .icon-box{width:43px;height:43px;border-radius:13px;background:var(--mint);display:grid;place-items:center;color:var(--teal-dark);font-weight:800;margin-bottom:18px}
    .feature-card h3,.scene-card h3{font-size:21px;color:var(--navy);margin:0 0 8px}.feature-card p,.scene-card p{font-size:14px;color:var(--muted);margin:0}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:#b7cfca}.dark-section .section-kicker{color:#86d7c5}
    .scene-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:start}
    .scene-list{list-style:none;margin:0;padding:0}.scene-list li{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.15);display:flex;gap:14px}
    .scene-list b{color:#86d7c5;font-size:18px}.scene-list span{color:#d9e9e4}
    .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .scene-card{background:#fff;border-radius:18px;padding:22px;transition:.25s}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{padding:25px 20px 15px;border-right:1px solid var(--line);position:relative}.process-step:last-child{border:0}
    .process-step em{font-style:normal;color:var(--orange);font-weight:800;font-size:14px}.process-step h3{font-size:19px;color:var(--navy);margin:12px 0 7px}.process-step p{font-size:14px;color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.case-main,.case-side{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.case-main img{height:260px;width:100%;object-fit:cover}.case-body{padding:25px}.case-body h3{font-size:27px;color:var(--navy);margin:0 0 8px}.case-body p,.case-side p{color:var(--muted)}.case-side{padding:25px}.case-side h3{color:var(--navy);font-size:21px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote-card{background:#fff;padding:27px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--soft-shadow);transition:.25s}.quote-card blockquote{font-size:18px;line-height:1.65;margin:0 0 22px;color:var(--navy)}.quote-card cite{font-style:normal;font-size:13px;color:var(--muted)}
    .standards{background:#fff}.standard-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.standard-item{display:flex;gap:15px;padding:18px;border:1px solid var(--line);border-radius:15px;background:#fbfcfa}.standard-item strong{color:var(--teal);font-size:20px}.standard-item h3{font-size:17px;margin:0;color:var(--navy)}.standard-item p{font-size:13px;color:var(--muted);margin:3px 0 0}
    .faq-wrap{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;padding:21px 5px;text-align:left;background:none;border:0;color:var(--navy);font-weight:800;display:flex;justify-content:space-between;align-items:center}.faq-item button span{color:var(--teal);font-size:23px}.faq-answer{display:none;color:var(--muted);padding:0 35px 20px 5px;font-size:15px}.faq-item.open .faq-answer{display:block}
    .cta{padding:70px 0;background:var(--mint)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px}.cta h2{font-size:clamp(29px,4vw,45px);color:var(--navy);margin:0 0 9px}.cta p{color:var(--muted);margin:0}.cta-actions{display:flex;gap:11px;flex-shrink:0}
    .site-footer{background:#102b35;color:#c0d3ce;padding:48px 0 22px}.footer-top{display:flex;justify-content:space-between;gap:40px}.footer-brand{color:#fff}.site-footer p{font-size:14px;max-width:310px}.footer-nav{display:grid;grid-template-columns:repeat(3,auto);gap:10px 25px;align-content:start}.footer-nav a{font-size:13px;color:#c0d3ce}.footer-nav a:hover{color:#86d7c5}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}.footer-bottom a:hover{color:#86d7c5}
    :focus-visible{outline:3px solid rgba(239,141,88,.7);outline-offset:3px}
    @media(max-width:1100px){.main-nav{gap:0;margin-left:4px}.main-nav a{padding:8px 8px;font-size:13px}.command-search{display:none}.intro-grid,.scene-layout{gap:28px}}
    @media(max-width:820px){.menu-toggle{display:block;margin-left:auto}.nav-actions{display:none}.main-nav{display:none;position:absolute;left:0;right:0;top:76px;padding:14px 28px 20px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.intro-grid,.case-grid{grid-template-columns:1fr}.feature-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(2,1fr)}.process-step:nth-child(2){border-right:0}.process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}.cta-box{align-items:flex-start;flex-direction:column}}
    @media(max-width:560px){.container{padding:0 19px}.subhero-inner{padding:65px 19px 70px}.subhero h1{font-size:40px}.subhero p{font-size:16px}.metric-row,.feature-grid,.scene-grid,.quote-grid,.standard-list{grid-template-columns:1fr}section{padding:63px 0}.process-grid{grid-template-columns:1fr}.process-step{border-right:0;border-bottom:1px solid var(--line)!important}.process-step:last-child{border-bottom:0!important}.footer-top{display:block}.footer-nav{margin-top:25px;grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.hero-strip{gap:7px}}

/* roulang page: category3 */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;--shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px}
    .hero{position:relative;overflow:hidden;background:var(--navy) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,35,43,.94),rgba(9,35,43,.72) 55%,rgba(9,35,43,.38))}
    .hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;min-height:610px;padding:82px 28px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3{line-height:1.2}
    .hero h1{font-size:clamp(42px,5vw,68px);margin:19px 0;color:#fff;letter-spacing:-.04em}
    .hero-copy{font-size:18px;color:#d5e5df;max-width:620px;margin:0 0 28px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-light{background:#f5fbf8;border-color:#f5fbf8}
    .flash-card{background:#f8fffb;color:var(--navy);border-radius:26px;padding:25px;box-shadow:0 24px 70px rgba(0,0,0,.2);max-width:430px;margin-left:auto}
    .flash-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px}
    .flash-label{color:#c85d2e;font-weight:800;font-size:13px}
    .timer{display:flex;gap:5px;align-items:center;color:var(--teal-dark);font-weight:800}
    .timer span{background:var(--mint);padding:3px 7px;border-radius:6px;min-width:28px;text-align:center}
    .flash-body{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px 0}
    .flash-body img{height:125px;width:120px;object-fit:cover;border-radius:15px}
    .flash-body h3{font-size:21px;margin:3px 0 9px}
    .flash-body p{font-size:13px;color:var(--muted);margin:0}
    .price{font-size:26px;color:var(--orange);font-weight:800;margin-top:12px}
    .price small{font-size:12px;color:var(--muted);font-weight:400}
    .flash-card .btn{width:100%}
    section{padding:88px 0}
    .section-head{max-width:710px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);margin:12px 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px;margin:0}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-head.center .section-kicker{justify-content:center}
    .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
    .intro-image{border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}
    .intro-image img{width:100%;height:390px;object-fit:cover}
    .intro-text p{color:var(--muted);font-size:17px}
    .note-box{background:var(--mint);border-radius:18px;padding:20px 22px;color:var(--teal-dark);margin-top:24px}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .benefit-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;min-height:225px;transition:.25s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow)}
    .icon{width:43px;height:43px;border-radius:13px;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;font-size:20px;font-weight:800}
    .benefit-card h3{font-size:20px;margin:22px 0 9px;color:var(--navy)}
    .benefit-card p{color:var(--muted);font-size:14px;margin:0}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:#b7cfca}
    .dark-section .section-kicker{color:#86d7c5}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .process-item{padding:25px 24px 22px;border-left:1px solid rgba(255,255,255,.2);position:relative}
    .process-item:first-child{border-left:0}
    .process-no{font-size:14px;color:var(--orange);font-weight:800}
    .process-item h3{font-size:22px;margin:20px 0 10px}
    .process-item p{font-size:14px;color:#b7cfca;margin:0}
    .visual-split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
    .visual-card{position:relative;min-height:430px;border-radius:27px;overflow:hidden;box-shadow:var(--shadow)}
    .visual-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
    .visual-card:hover img{transform:scale(1.04)}
    .visual-caption{position:absolute;inset:auto 25px 23px;color:#fff;z-index:1}
    .visual-caption:before{content:"";position:absolute;inset:-100px -25px -23px;background:linear-gradient(transparent,rgba(9,35,43,.85));z-index:-1}
    .visual-caption h3{font-size:29px;margin:0 0 8px}.visual-caption p{margin:0;color:#e0efea}
    .metric-panel{background:#fff;border:1px solid var(--line);border-radius:27px;padding:32px}
    .metric-panel h3{font-size:28px;color:var(--navy);margin-top:0}
    .metric{padding:20px 0;border-bottom:1px solid var(--line)}
    .metric:last-child{border-bottom:0}
    .metric strong{font-size:35px;color:var(--teal);margin-right:10px}.metric span{color:var(--muted);font-size:14px}
    .case-section{background:#eaf4ef}
    .case-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .case-main,.case-side{background:#fff;border:1px solid #dceae3;border-radius:22px;overflow:hidden}
    .case-main{display:grid;grid-template-columns:.95fr 1.05fr}
    .case-main img{height:100%;min-height:330px;width:100%;object-fit:cover}
    .case-copy{padding:30px}.case-copy h3{font-size:27px;color:var(--navy)}.case-copy p{color:var(--muted)}
    .case-side{padding:28px}.case-side h3{font-size:22px;color:var(--navy)}
    .tag{display:inline-block;padding:5px 10px;border-radius:20px;background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:700;margin:3px}
    .list{list-style:none;padding:0;margin:18px 0}.list li{padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.list li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:9px}
    .audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .audience-card{padding:27px;background:#fff;border-radius:20px;border:1px solid var(--line)}
    .audience-card h3{font-size:22px;color:var(--navy);margin:0 0 10px}.audience-card p{font-size:14px;color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;padding:27px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--soft-shadow)}
    .quote-card blockquote{font-size:18px;line-height:1.65;margin:0 0 22px;color:var(--navy)}.quote-card cite{font-style:normal;font-size:13px;color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
    .faq-item summary{font-weight:800;color:var(--navy);cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--teal);font-size:20px}.faq-item[open] summary:after{content:"－"}
    .faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .cta{background:var(--teal);color:#fff;border-radius:28px;padding:55px 60px;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:38px;margin:0 0 12px}.cta p{color:#d8eee7;margin:0;max-width:650px}
    .site-footer{background:#0c252e;color:#c1d5cf;padding:48px 0 20px}.footer-top{display:flex;justify-content:space-between;gap:50px}.footer-brand{color:#fff}.footer-top p{font-size:14px;max-width:340px;color:#9eb9b1}.footer-nav{display:grid;grid-template-columns:repeat(3,auto);gap:12px 25px;font-size:13px}.footer-nav a:hover,.footer-bottom a:hover{color:#86d7c5}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12px;color:#91aaa4}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(239,141,88,.65);outline-offset:3px}
    @media(max-width:1024px){.main-nav{gap:0;margin-left:4px}.main-nav a{padding:8px 7px;font-size:13px}.command-search{display:none}.hero-inner{gap:30px}.benefit-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-shell{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 28px 20px;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.nav-actions .nav-cta{display:none}.hero-inner,.intro-grid,.visual-split,.case-grid{grid-template-columns:1fr}.hero-inner{padding:65px 28px 75px}.flash-card{margin:10px 0 0;max-width:none}.process{grid-template-columns:1fr 1fr}.process-item:nth-child(3){border-left:0}.case-main{grid-template-columns:1fr}.case-main img{height:240px}.audience-grid,.quote-grid{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}.cta{padding:38px 28px;display:block}.cta .btn{margin-top:24px}.footer-top{display:block}.footer-nav{margin-top:28px}}
    @media(max-width:520px){.container{padding:0 19px}section{padding:65px 0}.hero h1{font-size:42px}.hero-copy{font-size:16px}.benefit-grid{grid-template-columns:1fr}.process{grid-template-columns:1fr}.process-item{border-left:0;border-top:1px solid rgba(255,255,255,.2)}.process-item:first-child{border-top:0}.flash-body{grid-template-columns:95px 1fr}.flash-body img{width:95px;height:110px}.footer-nav{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}}

/* roulang page: category2 */
:root{
      --ink:#18212b;
      --muted:#687582;
      --paper:#f7f8f5;
      --white:#fff;
      --teal:#0d756d;
      --teal-dark:#07544f;
      --mint:#d9f1e8;
      --orange:#ef8d58;
      --line:#dce5e1;
      --navy:#102b35;
      --radius:22px;
      --shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);
      --container:1200px
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px}
    .hero-inner{position:relative;min-height:590px;display:grid;grid-template-columns:1fr 470px;gap:45px;align-items:center;overflow:hidden}
    .hero-wrap{background:var(--navy) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .hero-wrap:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,35,43,.95),rgba(9,35,43,.7) 53%,rgba(9,35,43,.28))}
    .hero-inner>*{position:relative}
    .hero-copy{padding:75px 0}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3{line-height:1.25}
    .hero h1{font-size:clamp(42px,5.6vw,70px);margin:20px 0;color:#fff;max-width:650px}
    .hero-copy p{font-size:18px;color:#d5e5df;max-width:630px;margin:0 0 28px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-light{background:#f5fbf8;border-color:#f5fbf8}
    .hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:42px}
    .hero-meta strong{display:block;color:#fff;font-size:24px}
    .hero-meta span{display:block;color:#adc9c3;font-size:13px}
    .live-panel{background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.8);border-radius:26px;padding:14px;color:var(--ink);box-shadow:0 24px 65px rgba(0,0,0,.22)}
    .live-cover{height:235px;border-radius:18px;overflow:hidden;position:relative}
    .live-cover img{width:100%;height:100%;object-fit:cover}
    .live-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,43,53,.72),transparent 65%)}
    .live-label,.live-title{position:absolute;z-index:1;color:#fff;left:18px}
    .live-label{top:16px;background:var(--orange);padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700}
    .live-title{bottom:16px;font-size:21px;font-weight:800}
    .panel-row{display:flex;justify-content:space-between;align-items:center;padding:18px 7px 5px}
    .panel-row small{color:var(--muted)}
    .countdown{display:flex;gap:8px;text-align:center}
    .countdown b{display:block;background:var(--mint);color:var(--teal-dark);padding:7px 9px;border-radius:9px;font-size:20px;line-height:1}
    .countdown span{display:block;font-size:10px;color:var(--muted);margin-top:3px}
    section{padding:88px 0}
    .section-head{max-width:710px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);margin:12px 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head.center .section-kicker{justify-content:center}
    .trust-bar{background:#fff;border-bottom:1px solid var(--line);padding:25px 0}
    .trust-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .trust-item{display:flex;gap:13px;align-items:center}
    .trust-item b{font-size:22px;color:var(--teal-dark);display:block}
    .trust-item span{font-size:13px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
    .intro-image{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .intro-image img{width:100%;height:430px;object-fit:cover}
    .image-note{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.93);padding:13px 16px;border-radius:14px;font-size:13px;color:var(--teal-dark);font-weight:700}
    .check-list{list-style:none;padding:0;margin:26px 0}
    .check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";display:inline-flex;width:24px;height:24px;align-items:center;justify-content:center;border-radius:50%;background:var(--mint);color:var(--teal-dark);font-weight:800;flex:none}
    .capability{background:#eaf4ef}
    .cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .cap-card{background:#fff;border:1px solid #dceae3;border-radius:20px;padding:28px;min-height:245px;transition:.25s}
    .cap-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow)}
    .cap-num{color:var(--orange);font-size:14px;font-weight:800}
    .cap-card h3{font-size:22px;color:var(--navy);margin:18px 0 10px}
    .cap-card p{color:var(--muted);font-size:14px;margin:0}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .scene-main{min-height:360px;border-radius:24px;overflow:hidden;position:relative}
    .scene-main img{width:100%;height:100%;object-fit:cover}
    .scene-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,43,53,.8),transparent 65%)}
    .scene-main .scene-text{position:absolute;left:28px;right:28px;bottom:25px;color:#fff;z-index:1}
    .scene-text h3{font-size:28px;margin:0 0 8px}
    .scene-text p{margin:0;color:#e0efeb}
    .scene-side{display:grid;gap:18px}
    .scene-small{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}
    .scene-small h3{margin:0 0 8px;color:var(--navy);font-size:21px}
    .scene-small p{margin:0;color:var(--muted);font-size:14px}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}
    .dark-section .section-head p{color:#b7cfca}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .process:before{content:"";position:absolute;top:24px;left:9%;right:9%;height:1px;background:#35605f}
    .process-step{position:relative;padding:0 18px;text-align:center}
    .process-step b{display:inline-flex;width:49px;height:49px;align-items:center;justify-content:center;border-radius:50%;background:var(--orange);color:#fff;position:relative;z-index:1}
    .process-step h3{font-size:19px;margin:20px 0 8px}
    .process-step p{margin:0;color:#b7cfca;font-size:14px}
    .proof-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
    .proof-quote{background:var(--mint);border-radius:24px;padding:34px}
    .proof-quote blockquote{font-size:25px;line-height:1.55;color:var(--navy);margin:0 0 28px;font-weight:700}
    .proof-quote cite{font-style:normal;color:var(--teal-dark);font-size:14px}
    .proof-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
    .stat-box strong{font-size:34px;color:var(--teal-dark);display:block}
    .stat-box span{color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
    .faq-intro{background:var(--navy);border-radius:23px;padding:30px;color:#fff;align-self:start}
    .faq-intro h3{font-size:26px;margin-top:0}
    .faq-intro p{color:#c1d6d1;font-size:14px}
    .faq-item{border-bottom:1px solid var(--line);padding:18px 0}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:800;color:var(--navy);padding-right:30px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--teal);font-size:23px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{padding:72px 0;background:var(--orange)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(28px,4vw,43px);color:#fff;margin:0 0 10px}
    .cta p{color:#fff3e9;margin:0;max-width:650px}
    .cta .btn-light{border:0}
    .site-footer{background:#0d252d;color:#b7cfca;padding:50px 0 20px}
    .footer-top{display:flex;justify-content:space-between;gap:40px}
    .footer-brand{color:#fff}
    .site-footer p{max-width:370px;font-size:14px}
    .footer-nav{display:grid;grid-template-columns:repeat(2,auto);gap:10px 28px;font-size:14px}
    .footer-nav a:hover,.footer-bottom a:hover{color:#fff}
    .footer-bottom{border-top:1px solid #29474b;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}
    :focus-visible{outline:3px solid rgba(239,141,88,.7);outline-offset:3px}
    @media(max-width:1100px){
      .main-nav{margin-left:0}
      .main-nav a{padding:8px 7px;font-size:13px}
      .command-search{display:none}
      .hero-inner{grid-template-columns:1fr 390px}
    }
    @media(max-width:800px){
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:15px 28px;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px}
      .nav-actions{margin-left:0}
      .nav-actions .nav-cta{display:none}
      .hero-inner,.intro-grid,.scene-grid,.proof-grid,.faq-grid{grid-template-columns:1fr}
      .hero-inner{padding-bottom:65px}
      .hero-copy{padding:75px 0 20px}
      .live-panel{max-width:500px}
      .trust-list{grid-template-columns:repeat(2,1fr)}
      .cap-grid{grid-template-columns:repeat(2,1fr)}
      .process{grid-template-columns:repeat(2,1fr);gap:30px 10px}
      .process:before{display:none}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{padding:0 19px}
      .brand{font-size:18px}
      .hero h1{font-size:42px}
      .hero-copy p{font-size:16px}
      section{padding:65px 0}
      .trust-list,.cap-grid,.proof-stats{grid-template-columns:1fr}
      .trust-item{padding:7px 0}
      .intro-image img{height:300px}
      .scene-main{min-height:300px}
      .process{grid-template-columns:1fr}
      .footer-top{flex-direction:column}
      .footer-nav{grid-template-columns:1fr 1fr;gap:9px 14px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category5 */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;--shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(239,141,88,.58);outline-offset:3px}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative;flex:0 0 auto}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px;background:#f7f8f5}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px);color:var(--teal-dark)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint);color:var(--teal-dark)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px;line-height:1}
    section{padding:92px 0}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.12em}
    .section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{max-width:740px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.24;margin:12px 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px;margin:0}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head.center .section-kicker{justify-content:center}
    .page-banner{position:relative;overflow:hidden;background:var(--navy) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;min-height:510px;display:flex;align-items:center}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,34,42,.93),rgba(9,42,47,.71) 57%,rgba(8,31,37,.46))}
    .page-banner .container{width:100%;position:relative}
    .crumb{display:flex;gap:10px;align-items:center;font-size:14px;color:#b8d5cc;margin-bottom:22px}
    .crumb a:hover{color:#fff}
    .crumb span{opacity:.7}
    .page-banner h1{max-width:790px;color:#fff;font-size:clamp(42px,6vw,70px);line-height:1.15;margin:0 0 22px}
    .page-banner p{max-width:690px;color:#d8e9e3;font-size:18px;margin:0 0 30px}
    .banner-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .play-link{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700}
    .play-icon{width:43px;height:43px;border-radius:50%;border:1px solid rgba(255,255,255,.54);display:grid;place-items:center;background:rgba(255,255,255,.12);font-size:14px;padding-left:2px;transition:.25s}
    .play-link:hover .play-icon{transform:scale(1.08);background:var(--orange);border-color:var(--orange)}
    .intro-band{margin-top:-48px;position:relative;z-index:2}
    .intro-panel{display:grid;grid-template-columns:1.08fr .92fr;background:#fff;border:1px solid #e2ece7;border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
    .intro-copy{padding:42px}
    .intro-copy h2{color:var(--navy);font-size:30px;line-height:1.35;margin:0 0 16px}
    .intro-copy p{color:var(--muted);margin:0}
    .proof-list{background:#e8f4ee;padding:28px 34px;display:grid;align-content:center;gap:16px}
    .proof{display:flex;gap:14px;align-items:flex-start}
    .proof-number{color:var(--orange);font-size:28px;font-weight:800;line-height:1}
    .proof strong{display:block;color:var(--navy);font-size:15px;margin-bottom:2px}
    .proof span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
    .split-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:64px;align-items:start}
    .sticky-note{position:sticky;top:104px;background:var(--navy);color:#fff;border-radius:22px;padding:30px}
    .sticky-note h3{font-size:25px;line-height:1.35;margin:13px 0}
    .sticky-note p{color:#bfd4cf;font-size:14px;margin:0}
    .scene-list{display:grid;gap:14px}
    .scene-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px 24px;display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:18px;box-shadow:0 4px 12px rgba(16,43,53,.025);transition:.25s}
    .scene-item:hover{transform:translateX(5px);border-color:#a8d7ca;box-shadow:var(--soft-shadow)}
    .scene-index{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--mint);font-size:14px;font-weight:800;color:var(--teal-dark)}
    .scene-item h3{font-size:20px;color:var(--navy);margin:0 0 4px}
    .scene-item p{font-size:14px;color:var(--muted);margin:0}
    .scene-arrow{color:var(--teal);font-size:23px}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}
    .dark-section .section-head p{color:#b7cfca}
    .dark-section .section-kicker{color:#86d7c5}
    .route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .route-card{min-height:318px;position:relative;border-radius:22px;overflow:hidden;background:#24434a}
    .route-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,33,40,.07),rgba(8,33,40,.92))}
    .route-card img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:.4s}
    .route-card:hover img{transform:scale(1.06);opacity:.88}
    .route-content{position:absolute;z-index:1;left:25px;right:25px;bottom:22px}
    .route-content span{font-size:12px;color:#91e0cc;font-weight:800;letter-spacing:.08em}
    .route-content h3{font-size:25px;margin:7px 0;color:#fff}
    .route-content p{font-size:14px;line-height:1.65;color:#d4e8e2;margin:0}
    .deliver-section{background:#eaf4ef}
    .deliver-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .deliver-card{background:#fff;border:1px solid #dceae3;border-radius:22px;padding:31px;min-height:230px;position:relative;overflow:hidden}
    .deliver-card:nth-child(1){background:linear-gradient(135deg,#fff,#e4f4ed)}
    .deliver-card:nth-child(4){background:var(--teal);color:#fff}
    .deliver-card .card-no{display:block;color:var(--orange);font-weight:800;font-size:14px;margin-bottom:22px}
    .deliver-card h3{font-size:24px;line-height:1.3;color:var(--navy);margin:0 0 12px}
    .deliver-card p{font-size:14px;color:var(--muted);margin:0}
    .deliver-card:nth-child(4) h3,.deliver-card:nth-child(4) p,.deliver-card:nth-child(4) .card-no{color:#fff}
    .deliver-card:nth-child(4) .card-no{color:#b9ecdd}
    .feature-story{display:grid;grid-template-columns:1fr 1fr;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .feature-story .story-image{min-height:485px}
    .story-image img{width:100%;height:100%;object-fit:cover}
    .story-copy{padding:54px;display:flex;flex-direction:column;justify-content:center}
    .story-copy h2{color:var(--navy);font-size:38px;line-height:1.26;margin:12px 0 18px}
    .story-copy>p{color:var(--muted);margin:0 0 22px}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{position:relative;padding:11px 0 11px 31px;border-bottom:1px solid var(--line);font-size:14px;color:#40505a}
    .check-list li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--teal);font-weight:900}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;top:25px;left:8%;right:8%;height:1px;background:#b8d8cd}
    .step{position:relative;z-index:1}
    .step-dot{width:51px;height:51px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;font-size:14px;font-weight:800;border:7px solid var(--paper);margin-bottom:17px}
    .step h3{font-size:20px;color:var(--navy);margin:0 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .metric-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .metric{padding:15px 30px 15px 0;border-right:1px solid var(--line);margin-right:30px}
    .metric:last-child{border-right:0}
    .metric strong{font-size:38px;line-height:1;color:var(--teal);display:block;margin-bottom:8px}
    .metric span{color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}
    .faq-intro h2{font-size:40px;line-height:1.28;color:var(--navy);margin:12px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:23px 38px 23px 0;color:var(--navy);font-size:18px;font-weight:800;position:relative}
    .faq-question:after{content:"+";position:absolute;right:4px;top:18px;font-size:27px;font-weight:400;color:var(--teal);transition:.25s}
    .faq-question[aria-expanded="true"]:after{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 26px 23px 0;color:var(--muted);font-size:15px}
    .faq-answer.open{display:block}
    .cta-section{padding:0 0 92px}
    .cta-box{position:relative;overflow:hidden;padding:60px;border-radius:28px;background:var(--teal) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;color:#fff}
    .cta-box:before{content:"";position:absolute;inset:0;background:rgba(7,84,79,.84)}
    .cta-inner{position:relative;display:flex;gap:30px;align-items:center;justify-content:space-between}
    .cta-inner h2{font-size:clamp(31px,4vw,47px);line-height:1.25;margin:0 0 12px;color:#fff}
    .cta-inner p{color:#d2ede5;margin:0;max-width:650px}
    .cta-inner .btn-light{flex:0 0 auto}
    .site-footer{background:var(--navy);color:#b8cec8;padding:58px 0 24px}
    .footer-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:75px;padding-bottom:42px}
    .footer-brand{color:#fff;margin-bottom:14px}
    .site-footer p{font-size:14px;max-width:355px;margin:0;color:#aac4bd}
    .footer-nav{display:flex;justify-content:flex-end;align-content:flex-start;flex-wrap:wrap;gap:8px 10px}
    .footer-nav a{padding:6px 0;margin-left:16px;font-size:14px;color:#d0e2dc}
    .footer-nav a:hover{color:#8fe0ca}
    .footer-bottom{border-top:1px solid rgba(211,235,226,.16);padding-top:22px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;font-size:12px;color:#94b0a8}
    .footer-bottom a:hover{color:#fff}
    .video-modal{display:none;position:fixed;inset:0;z-index:100;background:rgba(7,24,29,.78);padding:24px;place-items:center}
    .video-modal.show{display:grid}
    .video-box{position:relative;max-width:760px;width:100%;border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .video-box img{width:100%;height:380px;object-fit:cover;filter:brightness(.7)}
    .video-text{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:30px;color:#fff}
    .video-text h2{font-size:30px;margin:0 0 10px}
    .video-close{position:absolute;z-index:2;right:14px;top:12px;border:0;width:38px;height:38px;border-radius:50%;background:#fff;color:var(--navy);font-size:22px}
    @media(max-width:1120px){
      .main-nav{gap:0;margin-left:0}
      .main-nav a{padding:8px 8px;font-size:13px}
      .command-search{display:none}
      .route-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:900px){
      .nav-shell{gap:15px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-actions{margin-left:0}
      .nav-actions .nav-cta{display:none}
      .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:rgba(247,248,245,.98);padding:14px 28px 20px;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);overflow-x:auto}
      .main-nav.open{display:flex}
      .main-nav a{flex:0 0 auto}
      .intro-panel,.feature-story,.faq-wrap{grid-template-columns:1fr}
      .feature-story .story-image{min-height:350px}
      .split-layout{grid-template-columns:1fr;gap:30px}
      .sticky-note{position:static}
      .timeline{grid-template-columns:repeat(2,1fr);gap:30px}
      .timeline:before{display:none}
      .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}
      .metric{margin:0;padding:10px 20px 10px 0}
      .footer-top{grid-template-columns:1fr;gap:25px}
      .footer-nav{justify-content:flex-start}
      .footer-nav a{margin-left:0;margin-right:16px}
    }
    @media(max-width:640px){
      body{font-size:15px}
      .container{padding:0 20px}
      section{padding:64px 0}
      .page-banner{min-height:535px}
      .page-banner h1{font-size:43px}
      .page-banner p{font-size:16px}
      .intro-band{margin-top:-26px}
      .intro-copy,.proof-list{padding:28px 24px}
      .intro-copy h2{font-size:25px}
      .scene-item{grid-template-columns:42px 1fr;gap:13px;padding:19px}
      .scene-arrow{display:none}
      .scene-index{width:42px;height:42px}
      .route-grid,.deliver-grid{grid-template-columns:1fr}
      .route-card{min-height:270px}
      .story-copy{padding:33px 25px}
      .story-copy h2{font-size:31px}
      .timeline{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .metric{border-right:0;border-bottom:1px solid var(--line);padding:13px 0}
      .metric:last-child{border-bottom:0}
      .cta-section{padding-bottom:64px}
      .cta-box{padding:39px 25px}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-bottom{flex-direction:column}
      .video-box img{height:330px}
    }

/* roulang page: category6 */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,53,.1);--soft-shadow:0 8px 26px rgba(16,43,53,.08);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:26px}
    .page-banner{position:relative;overflow:hidden;background:var(--navy) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,35,43,.94),rgba(9,35,43,.62),rgba(9,35,43,.2))}
    .banner-content{position:relative;padding:82px 28px 92px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .page-banner h1{font-size:clamp(40px,5vw,68px);line-height:1.15;margin:18px 0 18px;color:#fff;max-width:720px}
    .page-banner p{max-width:670px;color:#d5e5df;font-size:18px;margin:0}
    section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:17px;margin:0}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-head.center .section-kicker{justify-content:center}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .intro-copy p{color:var(--muted);font-size:17px}
    .image-frame{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .image-frame img{width:100%;height:410px;object-fit:cover}
    .image-label{position:absolute;left:22px;bottom:20px;background:rgba(16,43,53,.88);color:#fff;padding:12px 16px;border-radius:13px;font-size:14px}
    .coupon-section{background:#eaf4ef}
    .coupon-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .coupon-main{background:var(--teal);color:#fff;border-radius:28px;padding:38px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .coupon-main:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-75px;top:-80px}
    .coupon-main h3{font-size:34px;line-height:1.3;margin:12px 0}
    .coupon-main p{color:#d8f1e8;max-width:530px}
    .coupon-value{font-size:66px;font-weight:800;line-height:1;color:#fff;margin:20px 0 5px}
    .coupon-value small{font-size:18px;font-weight:600}
    .coupon-side{background:#fff;border:1px solid var(--line);border-radius:28px;padding:32px}
    .coupon-side h3{color:var(--navy);font-size:24px;margin:0 0 14px}
    .coupon-side ul,.check-list{list-style:none;padding:0;margin:0}
    .coupon-side li,.check-list li{padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted)}
    .coupon-side li:before,.check-list li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:10px}
    .btn-white{background:#fff;color:var(--teal-dark);margin-top:15px}
    .btn-white:hover{background:#edf9f3;transform:translateY(-2px)}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .benefit-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;min-height:215px;transition:.25s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow)}
    .benefit-no{color:var(--orange);font-size:14px;font-weight:800}
    .benefit-card h3{font-size:21px;color:var(--navy);margin:20px 0 8px}
    .benefit-card p{font-size:14px;color:var(--muted);margin:0}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}
    .dark-section .section-head p{color:#b7cfca}
    .dark-section .section-kicker{color:#86d7c5}
    .fit-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}
    .fit-note{font-size:21px;color:#d9eee7;line-height:1.6}
    .fit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .fit-item{border:1px solid rgba(217,241,232,.18);border-radius:17px;padding:22px;background:rgba(255,255,255,.05)}
    .fit-item h3{font-size:19px;margin:0 0 6px;color:#fff}
    .fit-item p{font-size:14px;color:#b7cfca;margin:0}
    .process-section{background:#fff}
    .process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-item{padding:28px 22px 20px 0;border-bottom:1px solid var(--line);position:relative}
    .process-item:not(:last-child){margin-right:24px}
    .process-step{display:inline-flex;width:38px;height:38px;border-radius:50%;background:var(--mint);color:var(--teal-dark);align-items:center;justify-content:center;font-weight:800;margin-bottom:18px}
    .process-item h3{font-size:20px;color:var(--navy);margin:0 0 7px}
    .process-item p{font-size:14px;color:var(--muted);margin:0}
    .model-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
    .model-image{border-radius:25px;overflow:hidden;min-height:390px}
    .model-image img{width:100%;height:100%;object-fit:cover}
    .model-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .model-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
    .model-card h3{font-size:19px;margin:0 0 8px;color:var(--navy)}
    .model-card p{font-size:14px;color:var(--muted);margin:0}
    .form-section{background:#eaf4ef}
    .form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
    .form-aside h2{font-size:37px;color:var(--navy);line-height:1.3;margin:13px 0}
    .form-aside p{color:var(--muted)}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--soft-shadow)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    label{display:block;font-size:14px;font-weight:700;color:var(--navy);margin-bottom:6px}
    input,textarea,select{width:100%;border:1px solid var(--line);border-radius:11px;background:#fbfcfa;padding:11px 13px;color:var(--ink);outline:0}
    input:focus,textarea:focus,select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,117,109,.12)}
    textarea{min-height:110px;resize:vertical}
    .field{margin-bottom:16px}
    .form-tip{font-size:12px;color:var(--muted);margin:12px 0 0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px}
    .faq-layout h2{font-size:38px;line-height:1.3;color:var(--navy);margin:12px 0}
    .faq-list details{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:12px;padding:18px 20px}
    .faq-list details[open]{box-shadow:var(--soft-shadow)}
    .faq-list summary{cursor:pointer;font-weight:700;color:var(--navy)}
    .faq-list p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta-section{padding:70px 0}
    .cta-box{background:var(--orange);border-radius:26px;padding:44px 50px;display:flex;align-items:center;justify-content:space-between;gap:25px;color:#fff}
    .cta-box h2{font-size:34px;line-height:1.3;margin:0 0 8px}
    .cta-box p{margin:0;color:#fff3eb}
    .site-footer{background:#0c252d;color:#b7cfca;padding:48px 0 20px}
    .footer-top{display:flex;justify-content:space-between;gap:40px}
    .footer-brand{color:#fff}
    .footer-top p{font-size:14px;margin-top:15px}
    .footer-nav{display:grid;grid-template-columns:repeat(3,auto);gap:10px 24px;font-size:14px}
    .footer-nav a:hover,.footer-bottom a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px}
    :focus-visible{outline:3px solid rgba(239,141,88,.7);outline-offset:3px}
    @media(max-width:1024px){
      .main-nav{margin-left:0;overflow-x:auto}
      .main-nav a{font-size:13px;padding:8px}
      .command-search{display:none}
      .benefit-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .nav-shell{min-height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .nav-actions .nav-cta{display:none}
      .intro-grid,.coupon-layout,.fit-layout,.model-layout,.form-layout,.faq-layout{grid-template-columns:1fr;gap:28px}
      .process-list{grid-template-columns:repeat(2,1fr)}
      .process-item:nth-child(2){margin-right:0}
      .model-image{min-height:280px}
      .cta-box{display:block;padding:35px 28px}
      .cta-box .btn{margin-top:22px}
      .footer-top{display:block}
      .footer-nav{margin-top:25px}
    }
    @media(max-width:520px){
      .container{padding:0 20px}
      section{padding:62px 0}
      .banner-content{padding:64px 20px 70px}
      .page-banner h1{font-size:40px}
      .page-banner p{font-size:16px}
      .benefit-grid,.fit-list,.model-list,.form-row,.process-list{grid-template-columns:1fr}
      .coupon-main,.coupon-side{padding:26px}
      .coupon-value{font-size:52px}
      .footer-nav{grid-template-columns:repeat(2,1fr)}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category4 */
:root{
      --ink:#18212b;--muted:#687582;--paper:#f7f8f5;--white:#fff;
      --teal:#0d756d;--teal-dark:#07544f;--mint:#d9f1e8;--orange:#ef8d58;
      --line:#dce5e1;--navy:#102b35;--radius:22px;--shadow:0 18px 55px rgba(16,43,53,.1);
      --soft-shadow:0 8px 26px rgba(16,43,53,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(239,141,88,.68);outline-offset:3px}
    .container{max-width:var(--container);margin:0 auto;padding:0 28px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,245,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,225,.85)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--navy)}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative;flex:0 0 auto}
    .brand-mark:after{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:50%;position:absolute;left:10px;top:8px}
    .main-nav{display:flex;align-items:center;gap:3px;margin-left:18px}
    .main-nav a{font-size:14px;color:#60706f;padding:9px 12px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--mint);color:var(--teal-dark)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .command-search{height:40px;width:158px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 11px;color:#94a09c;font-size:13px}
    .command-search i{color:var(--teal)}
    .command-search kbd{font-size:11px;margin-left:auto;border:1px solid var(--line);border-radius:5px;padding:0 4px;background:#f8faf8}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.25s ease}
    .nav-cta,.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(13,117,109,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:#d4e2dd}
    .btn-light:hover{border-color:var(--teal);transform:translateY(-2px);color:var(--teal-dark)}
    .btn-ghost{background:transparent;color:var(--teal-dark);border-color:var(--line)}
    .btn-ghost:hover{background:var(--mint);border-color:var(--mint)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal-dark);font-size:24px;padding:7px}
    section{padding:88px 0}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.12em}
    .section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{max-width:740px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,47px);line-height:1.22;margin:12px 0 15px;color:var(--navy);letter-spacing:-.04em}
    .section-head p{color:var(--muted);font-size:17px;margin:0}
    .inner-hero{position:relative;overflow:hidden;background:var(--navy);min-height:536px;display:flex;align-items:center}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(103deg,rgba(11,37,46,.97) 0%,rgba(11,37,46,.9) 44%,rgba(11,37,46,.62) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-content{position:relative;padding:78px 28px 82px;color:#fff}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#a9c9c1;font-size:14px;margin-bottom:22px}
    .breadcrumb i{font-size:10px;color:#85d4c3}
    .breadcrumb a:hover{color:#fff}
    .hero-layout{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#86d7c5;font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange)}
    h1{font-size:clamp(42px,5.6vw,69px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 20px;color:#fff}
    .hero-copy{font-size:18px;color:#d2e1dd;max-width:635px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-state{background:rgba(240,250,246,.1);border:1px solid rgba(188,224,213,.25);border-radius:24px;padding:22px;backdrop-filter:blur(9px)}
    .state-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:17px;border-bottom:1px solid rgba(207,235,225,.18);font-size:13px;color:#c5ddd6}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:#b8f0dc;font-weight:700}
    .live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:#77d8ac;box-shadow:0 0 0 5px rgba(119,216,172,.13)}
    .icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:19px 0}
    .matrix-item{height:82px;border-radius:16px;background:rgba(255,255,255,.09);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#e9f8f3;font-size:12px}
    .matrix-item i{font-size:19px;color:#8de1cb}
    .state-progress{height:7px;border-radius:10px;background:rgba(255,255,255,.16);overflow:hidden;margin:12px 0 8px}
    .state-progress b{display:block;height:100%;width:82%;background:linear-gradient(90deg,#7fdbc3,#efaa7c);border-radius:inherit}
    .state-foot{display:flex;justify-content:space-between;color:#b8d0c9;font-size:12px}
    .intro-strip{position:relative;margin-top:-1px;background:#e7f4ee;border-bottom:1px solid #d6e8e0}
    .strip-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr)}
    .strip-grid>div{padding:23px 25px;border-right:1px solid #d1e4db}
    .strip-grid>div:last-child{border:0}
    .strip-title{font-weight:800;color:var(--teal-dark)}
    .strip-value{font-size:14px;color:var(--muted);margin-top:3px}
    .trust-section{padding:66px 0;background:#fff}
    .trust-grid{display:grid;grid-template-columns:1.05fr 1.35fr;gap:60px;align-items:center}
    .trust-copy h2{font-size:clamp(29px,3.8vw,43px);line-height:1.3;color:var(--navy);margin:12px 0 17px;letter-spacing:-.04em}
    .trust-copy p{color:var(--muted);margin:0}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .metric{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fbfcfa}
    .metric b{display:block;font-size:26px;color:var(--teal-dark);line-height:1.2;margin-bottom:5px}
    .metric span{font-size:13px;color:var(--muted)}
    .service-section{background:var(--paper)}
    .service-layout{display:grid;grid-template-columns:.83fr 1.17fr;gap:48px;align-items:start}
    .service-list{border-top:1px solid var(--line)}
    .service-item{display:grid;grid-template-columns:49px 1fr;gap:15px;padding:22px 0;border-bottom:1px solid var(--line)}
    .service-no{font-size:14px;font-weight:800;color:var(--orange);padding-top:3px}
    .service-item h3{font-size:20px;margin:0 0 5px;color:var(--navy)}
    .service-item p{margin:0;color:var(--muted);font-size:14px}
    .service-panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--soft-shadow)}
    .panel-label{font-size:13px;color:var(--teal);font-weight:800}
    .service-panel h3{color:var(--navy);font-size:30px;line-height:1.3;margin:10px 0 15px}
    .service-panel>p{margin:0;color:var(--muted)}
    .tag-row{display:flex;gap:7px;flex-wrap:wrap;margin:23px 0}
    .tag{display:inline-block;padding:5px 10px;border-radius:20px;background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:700}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{position:relative;padding:10px 0 10px 28px;border-top:1px dashed #dce5e1;color:#485961;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:1px;color:var(--teal);font-weight:900}
    .visual-section{background:var(--navy);color:#fff}
    .visual-section .section-head h2{color:#fff}
    .visual-section .section-head p{color:#bbd0ca}
    .showcase-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .showcase-image{min-height:450px;position:relative;overflow:hidden;border-radius:26px}
    .showcase-image img{width:100%;height:100%;object-fit:cover;opacity:.78}
    .showcase-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,29,36,.8),rgba(7,29,36,.04) 63%)}
    .image-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:25px}
    .image-caption small{color:#9adfcd;font-weight:700;letter-spacing:.08em}
    .image-caption h3{font-size:29px;line-height:1.3;margin:7px 0 0;color:#fff}
    .principle-stack{display:grid;gap:14px}
    .principle{border:1px solid rgba(207,234,225,.18);border-radius:20px;padding:23px;background:rgba(255,255,255,.055)}
    .principle i{color:#8fe0ca;font-size:21px}
    .principle h3{font-size:19px;margin:12px 0 5px}
    .principle p{margin:0;color:#c3d6d1;font-size:14px}
    .process-section{background:#eaf4ef}
    .process-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:35px}
    .process-head .section-head{margin-bottom:0}
    .process-note{max-width:315px;color:var(--muted);font-size:14px;padding-bottom:8px}
    .process-row{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
    .process-row:before{content:"";position:absolute;left:11%;right:11%;top:31px;height:1px;background:#afcdc1}
    .process-step{position:relative;padding:0 20px 0 0}
    .step-num{position:relative;z-index:1;width:63px;height:63px;border-radius:20px;background:#fff;border:1px solid #cfe3da;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--teal);box-shadow:0 7px 18px rgba(17,73,62,.08)}
    .process-step h3{font-size:19px;color:var(--navy);margin:18px 0 7px}
    .process-step p{font-size:14px;color:var(--muted);margin:0}
    .scene-section{background:#fff}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{position:relative;min-height:315px;border-radius:22px;overflow:hidden;background:#173b43;box-shadow:var(--soft-shadow)}
    .scene-card img{position:absolute;width:100%;height:100%;object-fit:cover;opacity:.59;transition:transform .5s ease,opacity .5s ease}
    .scene-card:hover img{transform:scale(1.06);opacity:.74}
    .scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,34,41,.92),rgba(8,34,41,.08) 70%)}
    .scene-content{position:absolute;z-index:1;left:22px;right:22px;bottom:20px;color:#fff}
    .scene-icon{width:42px;height:42px;border-radius:13px;background:rgba(140,225,202,.2);display:inline-flex;align-items:center;justify-content:center;color:#9ae8d1}
    .scene-content h3{font-size:21px;margin:15px 0 5px}
    .scene-content p{margin:0;color:#d5e8e2;font-size:14px;line-height:1.65}
    .detail-section{background:var(--paper)}
    .detail-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:54px;align-items:center}
    .detail-photo{position:relative;padding:0 27px 27px 0}
    .detail-photo:after{content:"";position:absolute;right:0;bottom:0;width:70%;height:73%;background:var(--mint);border-radius:28px;z-index:0}
    .detail-photo img{position:relative;z-index:1;width:100%;height:440px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .detail-copy h2{font-size:clamp(30px,3.8vw,45px);line-height:1.26;color:var(--navy);margin:12px 0 18px;letter-spacing:-.04em}
    .detail-copy>p{color:var(--muted);margin:0 0 18px}
    .accord-list{margin-top:23px}
    .accord-item{border-bottom:1px solid var(--line);padding:15px 0}
    .accord-item b{display:block;color:var(--navy);font-size:16px;margin-bottom:4px}
    .accord-item span{color:var(--muted);font-size:14px}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:start}
    .faq-aside{position:sticky;top:100px}
    .faq-aside h2{font-size:clamp(30px,3.6vw,43px);line-height:1.28;margin:12px 0 15px;color:var(--navy);letter-spacing:-.04em}
    .faq-aside p{margin:0 0 21px;color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 42px 20px 0;color:var(--navy);font-size:17px;font-weight:800;position:relative}
    .faq-question:after{content:"+";position:absolute;right:5px;top:16px;font-size:25px;font-weight:400;color:var(--teal);transition:.25s}
    .faq-item.open .faq-question:after{transform:rotate(45deg);color:var(--orange)}
    .faq-answer{display:none;padding:0 38px 20px 0;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .cta-section{padding:72px 0;background:var(--paper)}
    .cta-box{position:relative;overflow:hidden;border-radius:30px;padding:55px 58px;background:var(--teal);color:#fff}
    .cta-box:before,.cta-box:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16)}
    .cta-box:before{width:410px;height:410px;right:-155px;top:-235px}
    .cta-box:after{width:270px;height:270px;right:73px;bottom:-205px}
    .cta-content{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:35px}
    .cta-content h2{font-size:clamp(31px,4vw,48px);line-height:1.2;margin:0 0 14px;letter-spacing:-.04em}
    .cta-content p{margin:0;color:#d8eee6;font-size:17px;max-width:650px}
    .cta-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
    .cta-box .btn-light{box-shadow:0 8px 18px rgba(3,54,49,.18)}
    .cta-box .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45)}
    .cta-box .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
    .site-footer{background:var(--navy);color:#c4d5d1;padding:57px 0 26px}
    .footer-top{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;padding-bottom:39px;border-bottom:1px solid rgba(207,234,225,.16)}
    .footer-brand{color:#fff;margin-bottom:14px}
    .site-footer .brand-mark{background:#5dc5ac}
    .footer-top p{margin:0;max-width:310px;font-size:14px;color:#a9c1bc}
    .footer-nav{display:flex;flex-wrap:wrap;gap:9px 21px;align-content:start;padding-top:4px}
    .footer-nav a{font-size:14px;color:#c4d5d1}
    .footer-nav a:hover{color:#88dec8}
    .footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:#92aaa5}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1100px){
      .main-nav{gap:0;margin-left:0}
      .main-nav a{padding:9px 8px;font-size:13px}
      .command-search{display:none}
      .hero-layout{grid-template-columns:1fr 360px;gap:35px}
    }
    @media(max-width:860px){
      .menu-toggle{display:block;margin-left:auto}
      .nav-actions{margin-left:0}
      .nav-actions .nav-cta{display:none}
      .main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:rgba(247,248,245,.98);border-bottom:1px solid var(--line);padding:14px 28px 20px;box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:11px 13px}
      .hero-layout,.trust-grid,.service-layout,.detail-grid,.faq-layout,.cta-content{grid-template-columns:1fr}
      .hero-state{max-width:450px}
      .strip-grid{grid-template-columns:repeat(2,1fr)}
      .strip-grid>div:nth-child(2){border-right:0}
      .strip-grid>div:nth-child(-n+2){border-bottom:1px solid #d1e4db}
      .showcase-grid{grid-template-columns:1fr}
      .process-row{grid-template-columns:repeat(2,1fr);gap:30px}
      .process-row:before{display:none}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
      .faq-aside{position:static}
      .cta-actions{justify-content:flex-start}
      .footer-top{grid-template-columns:1fr;gap:27px}
    }
    @media(max-width:520px){
      .container{padding:0 19px}
      .nav-shell{min-height:68px;gap:10px}
      .brand{font-size:18px}
      .brand-mark{width:28px;height:28px}
      .brand-mark:after{left:8px;top:7px}
      .main-nav{top:68px;padding-left:19px;padding-right:19px}
      section{padding:62px 0}
      .inner-hero{min-height:auto}
      .hero-content{padding:57px 19px 63px}
      h1{font-size:41px}
      .hero-copy{font-size:16px}
      .hero-state{padding:17px}
      .icon-matrix{gap:7px}
      .matrix-item{height:70px;font-size:11px}
      .strip-grid{grid-template-columns:1fr}
      .strip-grid>div{border-right:0!important;border-bottom:1px solid #d1e4db}
      .strip-grid>div:last-child{border-bottom:0}
      .metric-grid,.scene-grid{grid-template-columns:1fr}
      .service-panel{padding:23px}
      .showcase-image{min-height:350px}
      .process-row{grid-template-columns:1fr}
      .process-step{padding-right:0}
      .detail-photo{padding:0 16px 16px 0}
      .detail-photo img{height:330px}
      .cta-box{padding:37px 25px;border-radius:24px}
      .footer-bottom{display:grid;gap:9px}
    }