/* roulang page: index */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}.site-header{height:78px;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}.brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}.brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}.main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}.btn-light{background:#eef5ff;color:var(--blue)}.btn-primary{background:var(--blue);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}.hero{min-height:590px;background:linear-gradient(90deg,rgba(8,28,52,.93),rgba(10,42,69,.72)),url('/assets/images/backpic/back-1.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -8% -120px auto;width:480px;height:280px;border:1px solid rgba(255,255,255,.16);border-radius:50%;transform:rotate(-12deg)}
    .hero-content{position:relative;z-index:1;max-width:760px;padding:78px 0}.eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px;text-transform:uppercase}.hero h1{font-size:clamp(38px,6vw,70px);line-height:1.15;letter-spacing:-3px;margin:20px 0 22px;font-weight:900}.hero p{font-size:18px;color:#d9e7f4;max-width:680px;margin-bottom:30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero .btn-primary{background:var(--orange);color:#17263b}.hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}.hero-stats{display:flex;gap:35px;margin-top:48px;flex-wrap:wrap}.hero-stats strong{display:block;font-size:25px;color:#fff}.hero-stats span{color:#aec5d9;font-size:13px}
    section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:35px}.section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}.section-head p{max-width:570px;color:var(--muted);margin:0}.surface{background:#fff}.muted-section{background:#eef4f9}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#eaf4ff;color:var(--blue);font-size:22px;margin-bottom:18px}.card h3{font-size:19px;margin:0 0 9px}.card p{color:var(--muted);margin:0}.badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}.visual-card{overflow:hidden;padding:0}.visual-card img{height:175px;width:100%;object-fit:cover}.visual-card .card-body{padding:21px}.number-list{counter-reset:item;display:grid;gap:12px}.number-item{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:15px;background:#fff;padding:16px 19px;border:1px solid var(--line);border-radius:14px}.number-item:before{counter-increment:item;content:"0" counter(item);font-size:20px;font-weight:900;color:var(--blue)}.number-item strong{display:block}.number-item small{color:var(--muted)}.number-item .btn{padding:7px 12px;font-size:12px}
    .promo{background:var(--navy);color:#fff}.promo-box{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}.promo h2{font-size:38px;line-height:1.3;margin:12px 0}.promo p{color:#bdd1e3}.coupon{background:#fff;color:var(--ink);border-radius:20px;padding:25px;position:relative;box-shadow:0 15px 45px rgba(0,0,0,.2)}.coupon:before,.coupon:after{content:"";position:absolute;width:22px;height:22px;background:var(--navy);border-radius:50%;top:50%;margin-top:-11px}.coupon:before{left:-11px}.coupon:after{right:-11px}.coupon-top{display:flex;justify-content:space-between;border-bottom:1px dashed #cad5df;padding-bottom:15px}.coupon strong{font-size:35px;color:var(--blue)}.coupon small{color:var(--muted)}.coupon .btn{width:100%;margin-top:18px}
    .rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,1fr);gap:17px;overflow-x:auto;padding:4px 2px 14px}.rail::-webkit-scrollbar{height:7px}.rail::-webkit-scrollbar-thumb{background:#cbd8e5;border-radius:10px}.sport-card{min-height:205px;border-radius:18px;padding:23px;color:#fff;background:linear-gradient(145deg,#1769e0,#123456);position:relative;overflow:hidden}.sport-card:nth-child(2){background:linear-gradient(145deg,#bd642d,#58261a)}.sport-card:nth-child(3){background:linear-gradient(145deg,#168b86,#123e4f)}.sport-card:nth-child(4){background:linear-gradient(145deg,#6951b6,#272150)}.sport-card h3{position:relative;margin-top:75px}.sport-card p{position:relative;color:#d9e6f2;font-size:13px}.sport-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;mix-blend-mode:screen}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.split img{height:390px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}.check-list{padding:0;margin:25px 0;list-style:none}.check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}.metric{font-size:36px;font-weight:900;color:var(--blue);display:block}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{position:relative;padding-top:25px}.step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;margin-bottom:16px}.step h3{font-size:17px}.step p{color:var(--muted);font-size:14px}.news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:25px}.news-list{display:grid;gap:3px}.news-row{display:grid;grid-template-columns:105px 1fr auto;gap:17px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.news-row time{color:var(--blue);font-weight:700;font-size:13px}.news-row h3{font-size:16px;margin:0 0 4px}.news-row p{font-size:13px;color:var(--muted);margin:0}.news-row .btn{padding:5px 9px;font-size:12px}.feature-news{background:var(--navy);color:#fff;border-radius:22px;padding:28px}.feature-news img{height:140px;object-fit:cover;border-radius:14px;margin-bottom:20px}.feature-news p{color:#bfd0de;font-size:14px}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote{font-size:15px}.quote p{color:#44566c}.quote footer{color:var(--muted);font-size:13px;margin-top:20px}.faq{max-width:850px;margin:auto}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:22px 0;box-shadow:none!important}.accordion-body{padding:0 0 22px;color:var(--muted)}.story{background:linear-gradient(110deg,#eaf5ff,#fff);border-radius:26px;padding:45px}.cta{background:linear-gradient(115deg,#1260c9,#1b8dba);color:#fff;text-align:center;border-radius:30px;padding:65px 25px}.cta h2{font-size:38px;margin:0 0 14px}.cta p{color:#d9eff8;max-width:700px;margin:0 auto 25px}.footer{background:#091a2c;color:#b5c7d7;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer h3,.footer h4{color:#fff;margin-top:0}.footer p{font-size:13px}.footer a{display:block;color:#b5c7d7;padding:4px 0;font-size:13px}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}.floating-cta{position:fixed;right:20px;bottom:20px;z-index:40;background:var(--orange);color:#17263b;padding:12px 18px;border-radius:30px;font-weight:900;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    @media(max-width:1100px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.nav-actions .btn{padding:9px 11px}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:800px){.site-header,.nav-wrap{height:68px}.nav-wrap{justify-content:space-between}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:15px 22px;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:11px 14px}.nav-actions{display:none}.hero{min-height:570px}.hero-content{padding:65px 0}.hero h1{letter-spacing:-1px}.grid-3,.quote-grid,.split,.promo-box,.news-layout{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:15px}.split img{height:290px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){body{font-size:14px}.container{padding:0 16px}section{padding:62px 0}.hero h1{font-size:39px}.hero p{font-size:16px}.hero-stats{gap:20px;margin-top:35px}.grid-4{grid-template-columns:1fr 1fr;gap:10px}.card{padding:21px}.section-head h2,.promo h2,.cta h2{font-size:28px}.news-row{grid-template-columns:72px 1fr}.news-row .btn{display:none}.timeline{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.floating-cta{right:12px;bottom:12px}.story{padding:28px 22px}}

/* roulang page: category2 */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .hero{min-height:570px;background:linear-gradient(90deg,rgba(8,28,52,.94),rgba(10,42,69,.74)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-100px;bottom:-160px;width:520px;height:340px;border:1px solid rgba(255,255,255,.18);border-radius:50%;transform:rotate(-13deg)}
    .hero-content{position:relative;z-index:2;padding:75px 0;max-width:650px}
    .eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px}
    .hero h1{font-size:clamp(38px,5.8vw,68px);line-height:1.15;letter-spacing:-3px;margin:18px 0 20px;font-weight:900}
    .hero p{font-size:18px;color:#d9e7f4;max-width:640px;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-primary{background:var(--orange);color:#17263b}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}
    .hero-panel{position:absolute;z-index:2;right:8%;top:78px;width:300px;background:#fff;color:var(--ink);border-radius:24px;padding:25px;box-shadow:0 24px 65px rgba(0,0,0,.22)}
    .hero-panel.recommended{border:3px solid var(--orange)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .panel-top strong{font-size:17px}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}
    .badge.hot{background:#fff0e5;color:#d96c26}
    .metric{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0}
    .metric small{color:var(--muted)}
    .metric b{font-size:22px;color:var(--blue)}
    .hero-panel .btn{width:100%;margin-top:18px}
    section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 9px}
    .card p{color:var(--muted);margin:0}
    .icon-box{width:48px;height:48px;border-radius:15px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:18px}
    .feature-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
    .feature-grid .card:first-child{background:var(--navy);color:#fff}
    .feature-grid .card:first-child p{color:#bdcede}
    .feature-grid .card:first-child .icon-box{background:rgba(255,255,255,.12);color:var(--cyan)}
    .data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}
    .data-layout img{width:100%;height:390px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
    .check-list{padding:0;margin:22px 0;list-style:none}
    .check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .table-card{padding:0;overflow:hidden}
    .table-card .table{margin:0}
    .table thead th{background:var(--navy);color:#fff;border:0;font-weight:600;padding:15px}
    .table tbody td{padding:14px 15px;border-color:var(--line);vertical-align:middle}
    .form-note{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--soft-shadow)}
    .form-note label{font-weight:700;font-size:13px;margin-bottom:6px}
    .form-control{border:1px solid #d4e0eb;border-radius:11px;padding:11px 13px}
    .form-control:focus{border-color:var(--blue);box-shadow:0 0 0 .2rem rgba(23,105,224,.12)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .process-step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .process-step span{font-size:34px;font-weight:900;color:#d8e9fb;display:block;line-height:1;margin-bottom:18px}
    .process-step h3{font-size:17px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .quote p{font-size:16px;color:var(--ink)}
    .faq{max-width:850px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:22px 0;box-shadow:none!important}
    .accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta{background:var(--navy);color:#fff;border-radius:28px;padding:48px 52px;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:32px;margin:0 0 8px}
    .cta p{color:#bfd0de;margin:0;max-width:650px}
    .site-footer{background:#091a2d;color:#b7c7d7;padding:42px 0 25px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:start}
    .footer-brand{color:#fff;font-size:22px;font-weight:900}
    .footer-brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-right:7px}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-meta{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .fixed-bar{position:fixed;right:22px;bottom:22px;z-index:40;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:15px;padding:10px 12px 10px 17px;display:flex;align-items:center;gap:15px;font-size:13px}
    .fixed-bar strong{color:var(--navy)}
    @media(max-width:1100px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.hero-panel{right:3%}}
    @media(max-width:900px){.hero-panel{position:relative;right:auto;top:auto;margin:0 auto 45px;width:min(360px,100%)}.hero{display:block;padding-top:20px}.hero-content{padding:55px 0 20px}.feature-grid,.data-layout{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.quote-grid{grid-template-columns:1fr 1fr}.nav-wrap{gap:14px}}
    @media(max-width:768px){.site-header,.nav-wrap{height:70px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:15px;right:15px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px 14px}.nav-actions{display:none}.section-head{display:block}.section-head p{margin-top:12px}.cta{display:block;padding:34px 26px}.cta .btn{margin-top:22px}.footer-main{display:block}.footer-links{margin-top:20px}}
    @media(max-width:520px){.container{padding:0 16px}.hero h1{font-size:40px;letter-spacing:-1.5px}.hero p{font-size:16px}.hero-stats{gap:20px}.process,.quote-grid{grid-template-columns:1fr}.data-layout img{height:280px}.section-head h2{font-size:28px}.fixed-bar{left:16px;right:16px;justify-content:space-between}.fixed-bar .btn{padding:8px 11px}}

/* roulang page: category3 */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:25px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}
    .main-nav a{padding:10px 10px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .hero{min-height:570px;background:linear-gradient(90deg,rgba(8,28,52,.95),rgba(10,42,69,.70)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-100px;bottom:-150px;width:520px;height:360px;border:1px solid rgba(255,255,255,.18);border-radius:50%;transform:rotate(-18deg)}
    .hero-content{position:relative;z-index:1;width:100%;padding:75px 0}
    .eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px}
    .hero h1{font-size:clamp(38px,6vw,68px);line-height:1.16;letter-spacing:-3px;margin:18px 0 20px;font-weight:900}
    .hero p{font-size:18px;color:#d9e7f4;max-width:700px;margin-bottom:27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-primary{background:var(--orange);color:#17263b}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}
    .search-box{max-width:650px;margin:34px auto 0;background:#fff;padding:8px;border-radius:16px;display:flex;box-shadow:0 18px 40px rgba(0,0,0,.18)}
    .search-box input{border:0;outline:0;flex:1;padding:12px 16px;color:var(--ink);min-width:0}
    .search-box button{border:0;border-radius:11px;background:var(--blue);color:#fff;padding:0 24px;font-weight:800}
    .hot-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:17px;color:#d3e2ed;font-size:13px}
    .hot-links a{border-bottom:1px solid rgba(255,255,255,.3)}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 9px}
    .card p{color:var(--muted);margin:0}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}
    .icon-box{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:#edf5ff;color:var(--blue);font-size:22px;margin-bottom:20px}
    .visual-card{overflow:hidden;padding:0}
    .visual-card img{height:185px;width:100%;object-fit:cover}
    .visual-card .card-body{padding:21px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .split img{height:390px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
    .check-list{padding:0;margin:25px 0;list-style:none}
    .check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .metric-panel{background:var(--navy);color:#fff;border-radius:26px;padding:34px}
    .metric-panel h2{font-size:30px;margin:8px 0 13px}
    .metric-panel p{color:#bdcede}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:25px}
    .metric{padding:19px;border:1px solid rgba(255,255,255,.14);border-radius:15px;background:rgba(255,255,255,.06)}
    .metric strong{display:block;font-size:27px;color:var(--orange)}
    .metric span{font-size:13px;color:#c2d2df}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding-top:18px;border-top:3px solid var(--cyan)}
    .step b{color:var(--blue);font-size:13px}
    .step h3{font-size:18px;margin:8px 0}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}
    .quote p{font-size:16px;margin:0;color:#34485d}
    .quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .faq{max-width:850px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:22px 0;box-shadow:none!important}
    .accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta{background:linear-gradient(120deg,#0d2037,#1769e0);color:#fff;border-radius:28px;padding:46px 50px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{margin:0 0 8px;font-size:31px}
    .cta p{margin:0;color:#c7d9e8;max-width:620px}
    footer.site-footer{background:#091a2d;color:#d1deea;padding:47px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;align-items:start}
    .footer-brand{color:#fff;font-size:22px;font-weight:900}
    .footer-brand p{color:#91a8bb;font-size:13px;font-weight:400;max-width:370px;margin-top:12px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a{color:#c5d4df;font-size:13px}
    .footer-links a:hover{color:var(--orange)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;color:#8fa4b7;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:1024px){.main-nav{overflow-x:auto}.main-nav a{padding:9px 7px}.nav-wrap{gap:12px}.nav-actions .btn-light{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.site-header,.nav-wrap{height:70px}.nav-wrap{justify-content:space-between}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:15px;right:15px;top:69px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px 14px}.nav-actions{display:none}.hero{min-height:620px}.hero-content{padding:60px 0}.hero h1{letter-spacing:-2px}.section-head{display:block}.section-head p{margin-top:14px}.grid-3,.quote-grid,.split{grid-template-columns:1fr}.split{gap:28px}.split img{height:290px}.metrics,.timeline{grid-template-columns:repeat(2,1fr)}.cta{display:block;padding:35px 28px}.cta .btn{margin-top:24px}.footer-top{display:block}.footer-links{justify-content:flex-start;margin-top:22px}}
    @media(max-width:520px){body{font-size:14px}.container{padding:0 17px}.hero h1{font-size:40px}.hero p{font-size:16px}.search-box{display:block;background:transparent;padding:0;box-shadow:none}.search-box input{width:100%;border-radius:11px;margin-bottom:9px}.search-box button{width:100%;height:47px}.grid-4,.metrics,.timeline{grid-template-columns:1fr}section{padding:62px 0}.section-head h2{font-size:28px}.card{padding:22px}.hero-actions .btn{width:100%}}

/* roulang page: category1 */
:root{
      --ink:#122235;
      --muted:#66778c;
      --navy:#0d2037;
      --blue:#1769e0;
      --cyan:#36c7d9;
      --orange:#ff9d4d;
      --bg:#f5f8fc;
      --card:#fff;
      --line:#dfe8f1;
      --radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);
      --soft-shadow:0 8px 24px rgba(16,43,76,.08);
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.85);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .hero{min-height:600px;background:linear-gradient(90deg,rgba(8,28,52,.95),rgba(10,42,69,.66)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-110px;bottom:-180px;width:560px;height:390px;border:1px solid rgba(255,255,255,.18);border-radius:50%;transform:rotate(-15deg)}
    .hero-content{position:relative;z-index:1;padding:76px 0;max-width:790px}
    .eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px}
    .hero h1{font-size:clamp(38px,6vw,68px);line-height:1.15;letter-spacing:-3px;margin:18px 0 22px;font-weight:900}
    .hero p{font-size:18px;color:#d9e7f4;max-width:700px;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-primary{background:var(--orange);color:#17263b}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}
    .countdown{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:25px 0 5px}
    .countdown-label{font-size:13px;color:#b8d0e1;margin-right:4px}
    .time-box{min-width:54px;padding:7px 9px;text-align:center;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);border-radius:10px}
    .time-box strong{display:block;font-size:20px;line-height:1.2;color:#fff}
    .time-box span{display:block;font-size:10px;color:#bcd1df}
    .hero-stats{display:flex;gap:38px;margin-top:45px;flex-wrap:wrap}
    .hero-stats strong{display:block;font-size:25px;color:#fff}
    .hero-stats span{color:#aec5d9;font-size:13px}
    section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 9px}
    .card p{color:var(--muted);margin:0}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}
    .intro-band{background:#fff;border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:center}
    .intro-grid h2{font-size:31px;line-height:1.35;margin:12px 0 15px}
    .intro-grid p{color:var(--muted);margin:0}
    .mini-stat{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat-box{background:#f6f9fc;border:1px solid var(--line);border-radius:17px;padding:20px}
    .stat-box strong{display:block;color:var(--blue);font-size:28px;line-height:1.2}
    .stat-box span{font-size:13px;color:var(--muted)}
    .feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:25px;align-items:stretch}
    .feature-image{height:100%;min-height:360px;border-radius:24px;overflow:hidden;position:relative}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,28,52,.72),transparent 60%)}
    .image-caption{position:absolute;z-index:1;left:27px;right:27px;bottom:25px;color:#fff}
    .image-caption h3{font-size:25px;line-height:1.4;margin:12px 0 0}
    .story-panel{background:var(--navy);color:#fff;border-radius:24px;padding:34px}
    .story-panel p{color:#c1d2df}
    .story-panel .check-list{margin:22px 0}
    .check-list{padding:0;margin:25px 0;list-style:none}
    .check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .story-panel .check-list li{border-color:rgba(255,255,255,.13);color:#e8f1f7}
    .story-panel .check-list li:before{color:var(--orange)}
    .news-list{display:grid;gap:3px}
    .news-row{display:grid;grid-template-columns:110px 1fr auto;gap:17px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-row time{color:var(--blue);font-weight:700;font-size:13px}
    .news-row h3{font-size:17px;margin:0 0 4px}
    .news-row p{font-size:13px;color:var(--muted);margin:0}
    .news-row .btn{padding:6px 11px;font-size:12px}
    .visual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
    .visual-card{overflow:hidden;padding:0}
    .visual-card img{height:180px;width:100%;object-fit:cover}
    .visual-card .card-body{padding:22px}
    .visual-card h3{font-size:18px}
    .visual-card p{font-size:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;position:relative}
    .process:before{content:"";position:absolute;top:29px;left:9%;right:9%;border-top:1px dashed #b7c9db}
    .process-step{position:relative;z-index:1;text-align:center}
    .step-num{width:58px;height:58px;margin:0 auto 19px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:18px;font-weight:900;border:7px solid var(--bg)}
    .process-step h3{font-size:17px;margin-bottom:7px}
    .process-step p{font-size:13px;color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{position:relative}
    .quote:before{content:"“";font-family:Georgia,serif;font-size:58px;line-height:1;color:var(--cyan);position:absolute;right:23px;top:12px}
    .quote p{padding-right:30px}
    .quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .faq{max-width:880px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:22px 0;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta{background:linear-gradient(120deg,#0d2037,#1769e0);color:#fff;border-radius:28px;padding:45px 48px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;right:-90px;top:-150px;width:370px;height:370px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
    .cta-content{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:31px;margin:0 0 8px}
    .cta p{color:#d1e2f0;margin:0;max-width:650px}
    .cta .btn{background:var(--orange);color:#17263b}
    .site-footer{background:#0b1b2e;color:#b6c8d8;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-size:22px;font-weight:900;margin-bottom:12px}
    .footer-brand i{display:inline-block;width:9px;height:9px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .site-footer p{font-size:13px;line-height:1.8;margin:0;color:#91a9bc}
    .site-footer h3{font-size:14px;color:#fff;margin:0 0 13px}
    .footer-links{display:grid;gap:7px;font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#8097aa}
    .floating-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:rgba(13,32,55,.95);backdrop-filter:blur(12px);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:10px 0}
    .floating-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}
    .floating-inner strong{font-size:14px}
    .floating-inner span{font-size:12px;color:#abc1d3;margin-left:10px}
    .floating-bar .btn{padding:8px 15px;background:var(--orange);color:#17263b}
    @media(max-width:1100px){
      .main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
      .nav-actions .btn-light{display:none}
    }
    @media(max-width:900px){
      .main-nav{display:none;position:absolute;top:78px;left:0;right:0;padding:14px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}
      .main-nav.show{display:flex}.main-nav a{padding:12px 14px}
      .menu-toggle{display:block;margin-left:auto}.nav-actions{display:none}
      .intro-grid,.feature-layout{grid-template-columns:1fr}
      .process{grid-template-columns:repeat(2,1fr);gap:28px}
      .process:before{display:none}
    }
    @media(max-width:680px){
      section{padding:62px 0}.container{padding:0 17px}
      .hero{min-height:650px}.hero-content{padding:70px 0}
      .hero h1{letter-spacing:-1.5px}.hero p{font-size:16px}
      .hero-stats{gap:20px;margin-top:35px}
      .section-head{display:block}.section-head h2{font-size:28px}.section-head p{margin-top:12px}
      .visual-grid,.quote-grid{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:5px;padding:19px 0}
      .news-row .btn{justify-self:start;margin-top:7px}
      .feature-image{min-height:300px}
      .story-panel{padding:27px}
      .cta{padding:32px 25px}.cta-content{display:block}.cta .btn{margin-top:23px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .floating-inner span{display:none}
    }
    @media(max-width:520px){
      .brand{font-size:20px}.site-header,.nav-wrap{height:70px}.main-nav{top:70px}
      .hero h1{font-size:39px}.mini-stat{grid-template-columns:1fr 1fr}
      .process{grid-template-columns:1fr}.time-box{min-width:48px}
      .floating-inner strong{font-size:12px}.floating-bar .btn{font-size:12px;padding:7px 10px}
    }

/* roulang page: category4 */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08)
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .hero{min-height:550px;background:linear-gradient(90deg,rgba(8,28,52,.94),rgba(10,42,69,.70)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-80px;bottom:-130px;width:500px;height:300px;border:1px solid rgba(255,255,255,.18);border-radius:50%;transform:rotate(-13deg)}
    .hero-content{position:relative;z-index:1;padding:76px 0;max-width:690px}
    .eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px}
    .hero h1{font-size:clamp(38px,6vw,66px);line-height:1.15;letter-spacing:-3px;margin:18px 0 22px;font-weight:900}
    .hero p{font-size:18px;color:#d9e7f4;max-width:650px;margin-bottom:29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-primary{background:var(--orange);color:#17263b}
    .hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}
    .hero-panel{position:absolute;right:7%;z-index:2;width:310px;padding:24px;border:1px solid rgba(255,255,255,.22);border-radius:20px;background:rgba(13,32,55,.62);box-shadow:0 20px 50px rgba(0,0,0,.18)}
    .hero-panel h3{font-size:17px;margin:0 0 17px}
    .panel-line{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(255,255,255,.14);color:#c7d8e7;font-size:13px}
    .panel-line strong{color:#fff}
    section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease;height:100%}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 9px}
    .card p{color:var(--muted);margin:0}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}
    .icon-box{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#eaf3ff;color:var(--blue);font-size:21px;margin-bottom:19px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .feature-grid .card:nth-child(2) .icon-box{background:#fff1e6;color:#d87329}
    .feature-grid .card:nth-child(3) .icon-box{background:#e8f7f5;color:#168a88}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .split img{height:390px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
    .split h2{font-size:35px;line-height:1.35;margin:9px 0 18px}
    .check-list{padding:0;margin:25px 0;list-style:none}
    .check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .data-board{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .dark-board{background:var(--navy);color:#fff;border-radius:var(--radius);padding:32px;min-height:310px}
    .dark-board p{color:#b8cad9}
    .bar{margin:23px 0 0}
    .bar-label{display:flex;justify-content:space-between;color:#d5e4ef;font-size:13px;margin-bottom:7px}
    .bar-track{height:8px;background:#29445d;border-radius:10px;overflow:hidden}
    .bar-track span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:10px}
    .insight-list{display:grid;gap:12px}
    .insight{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 19px;display:flex;gap:15px;align-items:flex-start}
    .insight b{color:var(--blue);font-size:20px;line-height:1}
    .insight strong{display:block;margin-bottom:3px}
    .insight span{color:var(--muted);font-size:13px}
    .timeline{position:relative;padding-left:30px}
    .timeline:before{content:"";position:absolute;left:7px;top:5px;bottom:5px;width:2px;background:#cfe0ee}
    .timeline-item{position:relative;margin-bottom:28px}
    .timeline-item:before{content:"";position:absolute;left:-29px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--orange);border:4px solid #fff;box-shadow:0 0 0 1px #ffd4b0}
    .timeline-item h3{font-size:18px;margin:0 0 5px}
    .timeline-item p{color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px}
    .quote p{font-size:16px;margin:0;color:#334960}
    .quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .faq{max-width:850px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:22px 0;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta{background:linear-gradient(120deg,#0d2037,#1769e0);color:#fff;border-radius:28px;padding:52px 60px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:32px;margin:0 0 8px}
    .cta p{color:#cfe0ee;margin:0;max-width:650px}
    .footer{background:var(--navy);color:#d4e2ed;padding:48px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;align-items:flex-start;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer h2{color:#fff;font-size:22px;margin:0 0 10px}
    .footer p{color:#9fb4c7;margin:0;max-width:510px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#bed0df;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#91a7ba;font-size:12px;flex-wrap:wrap}
    .notice{font-size:12px;color:#8a9bad;margin-top:24px}
    .sticky-bar{position:fixed;bottom:18px;right:22px;z-index:40;display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 13px 12px 18px;box-shadow:var(--shadow)}
    .sticky-bar span{font-size:13px;color:var(--muted)}
    @media(max-width:1050px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.hero-panel{right:3%}}
    @media(max-width:820px){.nav-actions{display:none}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 22px;box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.hero-panel{display:none}.split,.data-board{grid-template-columns:1fr}.feature-grid,.quote-grid{grid-template-columns:1fr 1fr}.cta{padding:40px 32px}}
    @media(max-width:560px){.container{padding:0 17px}.hero{min-height:590px}.hero-content{padding:60px 0}.hero h1{font-size:41px;letter-spacing:-2px}.hero p{font-size:16px}.section-head{display:block}.section-head h2,.split h2{font-size:28px}.feature-grid,.quote-grid{grid-template-columns:1fr}section{padding:62px 0}.split img{height:280px}.cta{display:block;padding:32px 24px}.cta .btn{margin-top:22px;width:100%}.sticky-bar{left:14px;right:14px;bottom:12px;justify-content:space-between}.sticky-bar span{font-size:12px}.footer-top{display:block}.footer-links{margin-top:24px}}

/* roulang page: category5 */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .inner-hero{padding:82px 0 70px;background:linear-gradient(135deg,#eaf4ff 0%,#f7fbff 58%,#fff3e9 100%);position:relative;overflow:hidden}
    .inner-hero:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(23,105,224,.12);border-radius:50%;right:-150px;top:-170px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;letter-spacing:2px;font-size:12px}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-3px;margin:17px 0 20px;font-weight:900;color:var(--navy)}
    .lead{font-size:18px;color:var(--muted);max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .cover-sheet{background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .cover-sheet img{height:285px;width:100%;object-fit:cover;border-radius:15px}
    .cover-caption{padding:16px 10px 5px;display:flex;justify-content:space-between;align-items:center}
    .cover-caption strong{font-size:17px}.cover-caption span{font-size:12px;color:var(--blue);font-weight:800}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:33px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--soft-shadow)}
    .stat{background:#fff;padding:24px 25px}.stat strong{font-size:27px;color:var(--blue);display:block}.stat span{font-size:13px;color:var(--muted)}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease;height:100%}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 9px}.card p{color:var(--muted);margin:0}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700;margin-bottom:17px}
    .icon-mark{width:44px;height:44px;border-radius:13px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:19px;margin-bottom:19px}
    .report-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
    .report-intro{background:var(--navy);color:#fff;border-radius:24px;padding:34px;position:relative;overflow:hidden}
    .report-intro:after{content:"05";position:absolute;right:18px;bottom:-22px;font-size:150px;font-weight:900;color:rgba(255,255,255,.06)}
    .report-intro p{color:#c4d4e3}.report-intro h3{font-size:27px;line-height:1.35;position:relative;z-index:1}
    .index-list{display:grid;gap:12px}.index-row{display:flex;gap:15px;align-items:center;padding:15px 17px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .index-row b{color:var(--orange);font-size:18px}.index-row span{font-weight:700}.index-row small{margin-left:auto;color:var(--muted)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.split img{height:360px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
    .check-list{padding:0;margin:25px 0;list-style:none}.check-list li{padding:13px 0 13px 30px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .scenario-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:20px}.scenario-nav{display:grid;gap:10px}.scenario-nav a{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;font-weight:800}.scenario-nav a:hover{border-color:var(--blue);color:var(--blue);transform:translateX(4px)}
    .scenario-panel{background:linear-gradient(145deg,#1769e0,#102d4c);border-radius:24px;padding:34px;color:#fff;min-height:280px}.scenario-panel h3{font-size:28px}.scenario-panel p{color:#d6e5f2;max-width:600px}.panel-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.panel-tags span{border:1px solid rgba(255,255,255,.3);border-radius:30px;padding:5px 12px;font-size:12px;color:#eaf5ff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #cfe0ef;margin-top:20px}.step{position:relative;padding:29px 20px 0 0}.step:before{content:"";width:14px;height:14px;background:var(--orange);border:4px solid var(--bg);border-radius:50%;position:absolute;top:-8px;left:0}.step strong{display:block;font-size:18px;margin-bottom:8px}.step p{color:var(--muted);font-size:14px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote{background:#fff;border-radius:20px;padding:25px;border:1px solid var(--line)}.quote p{font-size:16px;margin:0}.quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .faq{max-width:850px;margin:auto}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:21px 0;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--blue)}.accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta-box{background:var(--navy);border-radius:26px;padding:45px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:28px}.cta-box h2{font-size:31px;margin:0 0 10px}.cta-box p{color:#c6d7e6;margin:0;max-width:650px}
    .form-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--soft-shadow)}.form-box input{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 13px;margin-bottom:10px}.form-box small{color:var(--muted);display:block;margin-top:10px}
    footer.site-footer{background:#0a1a2c;color:#c1d0dd;padding:42px 0 25px}.footer-grid{display:flex;justify-content:space-between;gap:35px;align-items:start}.footer-brand{color:#fff;font-size:21px;font-weight:900}.footer-brand p{color:#91a6b8;font-size:13px;max-width:340px;font-weight:400}.footer-links{display:flex;gap:19px;flex-wrap:wrap;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12px;color:#91a6b8;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .fixed-bar{position:fixed;bottom:18px;right:22px;z-index:40;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 12px 10px 17px;box-shadow:var(--shadow);display:flex;align-items:center;gap:15px;font-size:13px}.fixed-bar strong{color:var(--navy)}
    @media(max-width:1100px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.nav-wrap{gap:14px}.nav-actions .btn-light{display:none}}
    @media(max-width:800px){.site-header,.nav-wrap{height:70px}.main-nav{display:none;position:absolute;top:70px;left:15px;right:15px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.menu-toggle{display:block;margin-left:auto}.nav-actions{display:none}.hero-grid,.split,.report-layout,.scenario-grid{grid-template-columns:1fr;gap:30px}.inner-hero{padding:60px 0}.cover-sheet{max-width:500px;margin:auto}.stat-strip{grid-template-columns:repeat(2,1fr)}.grid-3,.quote-grid{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr);row-gap:20px}.cta-box{display:block}.cta-box .form-box{margin-top:25px}}
    @media(max-width:520px){section{padding:60px 0}.container{padding:0 17px}h1{font-size:40px;letter-spacing:-2px}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:12px}.hero-actions .btn{width:100%}.stat-strip{grid-template-columns:1fr 1fr}.stat{padding:18px 14px}.stat strong{font-size:22px}.timeline{grid-template-columns:1fr}.footer-grid{display:block}.footer-links{margin-top:25px}.fixed-bar{left:15px;right:15px;bottom:12px;justify-content:space-between}}

/* roulang page: category6 */
:root{
      --ink:#122235;
      --muted:#66778c;
      --navy:#0d2037;
      --blue:#1769e0;
      --cyan:#36c7d9;
      --orange:#ff9d4d;
      --bg:#f5f8fc;
      --card:#fff;
      --line:#dfe8f1;
      --radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);
      --soft-shadow:0 8px 24px rgba(16,43,76,.08);
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    .page-hero{min-height:470px;background:linear-gradient(90deg,rgba(8,28,52,.94),rgba(10,42,69,.70)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:-90px;bottom:-160px;width:470px;height:340px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .hero-content{position:relative;z-index:1;padding:78px 0;max-width:760px}
    .eyebrow,.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:2px;font-size:12px}
    .page-hero h1{font-size:clamp(38px,6vw,66px);line-height:1.18;letter-spacing:-3px;margin:20px 0 20px;font-weight:900}
    .page-hero p{font-size:18px;color:#d9e7f4;max-width:700px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .page-hero .btn-primary{background:var(--orange);color:#17263b}
    .page-hero .btn-outline{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff}
    section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.3;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:580px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--soft-shadow);transition:.25s ease;height:100%}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d1eb}
    .card h3{font-size:19px;margin:0 0 10px}
    .card p{color:var(--muted);margin:0}
    .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:#edf7f6;color:#168a88;font-size:12px;font-weight:700}
    .icon-box{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#edf5ff;color:var(--blue);font-size:22px;margin-bottom:21px}
    .community-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:stretch}
    .community-image{height:100%;min-height:360px;border-radius:24px;overflow:hidden;position:relative}
    .community-image img{width:100%;height:100%;object-fit:cover}
    .image-caption{position:absolute;left:22px;right:22px;bottom:22px;padding:16px 18px;border-radius:15px;background:rgba(13,32,55,.82);color:#fff;backdrop-filter:blur(12px)}
    .image-caption strong{display:block;font-size:18px}
    .image-caption span{color:#c8d8e7;font-size:13px}
    .topic-list{display:grid;gap:12px}
    .topic-item{display:flex;align-items:center;gap:15px;padding:16px 18px;border:1px solid var(--line);background:#fff;border-radius:15px}
    .topic-item:hover{border-color:#9fc3e8;transform:translateX(4px)}
    .topic-number{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--navy);color:#fff;font-weight:800}
    .topic-item strong{display:block}
    .topic-item small{color:var(--muted)}
    .topic-item .arrow{margin-left:auto;color:var(--blue);font-size:20px}
    .feature-band{background:var(--navy);color:#fff}
    .feature-band .section-head p{color:#b9cede}
    .feature-band .section-kicker{color:var(--orange)}
    .dark-card{background:#152f4b;border:1px solid rgba(255,255,255,.12);box-shadow:none}
    .dark-card p{color:#b9cede}
    .dark-card h3{color:#fff}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{position:relative}
    .quote:before{content:"“";position:absolute;right:22px;top:4px;color:#dcecff;font-size:58px;line-height:1;font-family:Georgia,serif}
    .quote p{font-size:16px;color:#42566c;padding-right:20px}
    .quote footer{color:var(--muted);font-size:13px;margin-top:20px}
    .step-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
    .step-layout img{height:410px;width:100%;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
    .steps{display:grid;gap:22px}
    .step{display:grid;grid-template-columns:44px 1fr;gap:16px}
    .step-no{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900}
    .step h3{font-size:18px;margin:0 0 4px}
    .step p{color:var(--muted);margin:0}
    .rule-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--soft-shadow)}
    .rule-panel ul{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px}
    .rule-panel li{padding-left:28px;position:relative;color:#52677c}
    .rule-panel li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .data-box{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .data-box strong{display:block;font-size:30px;color:var(--blue);line-height:1.2}
    .data-box span{color:var(--muted);font-size:13px}
    .faq{max-width:860px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:21px 0;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{padding:0 0 22px;color:var(--muted)}
    .cta{background:linear-gradient(120deg,#1769e0,#12365c);color:#fff;border-radius:28px;padding:48px 52px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-80px;top:-120px}
    .cta h2{font-size:34px;margin:0 0 12px;position:relative;z-index:1}
    .cta p{color:#d7e6f4;max-width:680px;position:relative;z-index:1}
    .cta .btn{position:relative;z-index:1}
    .site-footer{background:#0b1c2f;color:#b8c9d8;padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-size:22px;color:#fff;font-weight:900;margin-bottom:13px}
    .footer-brand i{display:inline-block;width:9px;height:9px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .footer-title{font-weight:800;color:#fff;margin-bottom:14px}
    .footer-links{display:flex;flex-wrap:wrap;gap:9px 18px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:13px;flex-wrap:wrap}
    .fixed-bar{position:fixed;left:0;right:0;bottom:0;background:rgba(13,32,55,.96);color:#fff;z-index:40;padding:10px 0;box-shadow:0 -5px 20px rgba(7,22,40,.18)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .fixed-inner span{font-size:14px;color:#d5e4f0}
    .fixed-inner strong{color:#fff}
    @media(max-width:1100px){
      .main-nav{gap:0}
      .main-nav a{padding:9px 7px;font-size:13px}
      .nav-wrap{gap:14px}
      .nav-actions .btn{padding:9px 11px}
    }
    @media(max-width:900px){
      .main-nav,.nav-actions{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .nav-wrap{height:70px}
      .site-header{height:70px}
      .main-nav.open{display:flex;position:absolute;left:0;right:0;top:70px;background:#fff;padding:13px 22px;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-wrap:wrap}
      .nav-actions.open{display:flex;position:absolute;left:22px;right:22px;top:252px;background:#fff;padding:13px 0 18px;border-bottom:1px solid var(--line)}
      .community-grid,.step-layout{grid-template-columns:1fr}
      .community-image{min-height:300px}
      .quote-grid{grid-template-columns:1fr}
      .data-strip{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:600px){
      section{padding:62px 0}
      .container{padding:0 17px}
      .page-hero h1{font-size:42px;letter-spacing:-2px}
      .page-hero p{font-size:16px}
      .section-head{display:block}
      .section-head h2{font-size:28px}
      .section-head p{margin-top:13px}
      .rule-panel ul{grid-template-columns:1fr}
      .cta{padding:32px 24px}
      .cta h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .fixed-inner span{font-size:12px;line-height:1.5}
      .fixed-inner .btn{padding:8px 11px;font-size:12px}
    }

/* roulang page: category7 */
:root{
      --ink:#122235;--muted:#66778c;--navy:#0d2037;--blue:#1769e0;--cyan:#36c7d9;
      --orange:#ff9d4d;--bg:#f5f8fc;--card:#fff;--line:#dfe8f1;--radius:22px;
      --shadow:0 18px 55px rgba(16,43,76,.10);--soft-shadow:0 8px 24px rgba(16,43,76,.08);
      --deep:#081d33;--success:#168a88;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(54,199,217,.5);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{height:78px;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,232,241,.8);position:sticky;top:0;z-index:50}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{font-size:23px;font-weight:900;letter-spacing:-1px;color:var(--navy);white-space:nowrap}
    .brand i{display:inline-block;width:10px;height:10px;background:var(--orange);border-radius:50%;margin:0 7px 3px 0}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px 11px;color:#53667c;font-size:14px;border-radius:10px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf5ff}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:10px 17px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer}
    .btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,105,224,.18)}
    .btn:active{transform:translateY(0)}
    .btn-light{background:#eef5ff;color:var(--blue)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-outline{border-color:#cbd9e8;color:var(--navy);background:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--navy);font-size:26px}
    section{padding:86px 0}
    .section-kicker{color:var(--blue);font-weight:800;letter-spacing:2px;font-size:12px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section-head h2{font-size:34px;line-height:1.35;margin:7px 0 0;letter-spacing:-1px;font-weight:900}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .muted-section{background:#eef4f9}
    .badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:30px;background:#eaf7f8;color:#168a88;font-size:12px;font-weight:800}
    .page-hero{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(8,28,52,.95),rgba(11,48,76,.75)),url('/assets/images/backpic/back-2.jpg') center/cover;color:#fff}
    .page-hero .hero-inner{min-height:500px;display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center;padding:66px 0}
    .crumb{font-size:13px;color:#b9d1e5;margin-bottom:20px}
    .crumb a:hover{color:var(--cyan)}
    .page-hero h1{font-size:clamp(38px,5vw,62px);font-weight:900;line-height:1.16;letter-spacing:-2px;margin:16px 0 20px}
    .page-hero p{font-size:17px;line-height:1.9;color:#d5e5f3;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-actions .btn-primary{background:var(--orange);color:var(--navy)}
    .hero-actions .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35)}
    .appointment-panel{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:24px;box-shadow:0 22px 60px rgba(0,0,0,.24)}
    .appointment-panel h2{font-size:20px;font-weight:900;margin:0 0 3px}
    .appointment-panel>p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 17px}
    .time-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:13px 0 18px}
    .time-option{border:1px solid var(--line);border-radius:11px;padding:9px 4px;text-align:center;color:#5a6d82;font-size:13px;font-weight:700;background:#fff;cursor:pointer;transition:.2s}
    .time-option:hover,.time-option.selected{border-color:var(--blue);background:#edf5ff;color:var(--blue)}
    .service-mini{display:flex;gap:11px;align-items:center;border-top:1px solid var(--line);padding-top:15px;color:var(--muted);font-size:12px}
    .service-mini b{display:grid;place-items:center;width:31px;height:31px;background:#eaf7f8;border-radius:50%;color:var(--success);font-size:15px}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:center}
    .image-stack{position:relative;padding:0 25px 25px 0}
    .image-stack img{width:100%;height:370px;object-fit:cover;border-radius:25px;box-shadow:var(--shadow)}
    .image-stack:after{content:"";position:absolute;width:130px;height:130px;right:0;bottom:0;background:var(--orange);border-radius:23px;z-index:-1}
    .content-copy h2{font-size:36px;line-height:1.35;font-weight:900;letter-spacing:-1px;margin:10px 0 19px}
    .content-copy p{color:var(--muted);margin-bottom:16px}
    .check-list{padding:0;margin:22px 0;list-style:none}
    .check-list li{padding:12px 0 12px 31px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .benefit-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .benefit-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--soft-shadow);transition:.25s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bfd5ec}
    .benefit-card.featured{background:var(--navy);color:#fff}
    .benefit-icon{width:48px;height:48px;border-radius:15px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-size:21px;font-weight:900;margin-bottom:42px}
    .featured .benefit-icon{background:rgba(54,199,217,.16);color:var(--cyan)}
    .benefit-card h3{font-size:20px;font-weight:900;margin-bottom:10px}
    .benefit-card p{color:var(--muted);margin:0}
    .featured p{color:#bfd0de}
    .service-path{display:grid;grid-template-columns:260px 1fr;gap:45px;align-items:start}
    .path-side{background:var(--navy);color:#fff;border-radius:24px;padding:31px;position:sticky;top:100px}
    .path-side h2{font-size:28px;line-height:1.35;font-weight:900;margin:10px 0}
    .path-side p{color:#bfd0de;font-size:14px;margin:0}
    .path-list{counter-reset:steps;display:grid;gap:13px}
    .path-item{counter-increment:steps;background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px 21px 20px 80px;position:relative;box-shadow:0 5px 15px rgba(16,43,76,.04)}
    .path-item:before{content:"0" counter(steps);position:absolute;left:20px;top:20px;color:var(--blue);font-weight:900;font-size:21px}
    .path-item h3{font-size:18px;font-weight:900;margin:0 0 5px}
    .path-item p{margin:0;color:var(--muted);font-size:14px}
    .scenario-wrap{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--soft-shadow)}
    .scenario-wrap img{height:100%;min-height:390px;width:100%;object-fit:cover}
    .scenario-copy{padding:46px}
    .scenario-copy h2{font-weight:900;font-size:32px;line-height:1.35;margin:9px 0 19px}
    .scenario-copy p{color:var(--muted)}
    .scenario-list{display:grid;gap:12px;margin-top:24px}
    .scenario-list div{background:#f6f9fc;border-radius:13px;padding:12px 15px;font-size:14px}
    .scenario-list strong{color:var(--blue);margin-right:8px}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .trust-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px}
    .trust-item strong{font-size:28px;color:var(--blue);display:block;line-height:1.25}
    .trust-item span{color:var(--muted);font-size:13px}
    .quote-area{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:stretch}
    .quote-title{border-radius:24px;padding:35px;background:linear-gradient(140deg,#1769e0,#123456);color:#fff}
    .quote-title h2{font-size:31px;line-height:1.35;font-weight:900;margin:10px 0}
    .quote-title p{color:#d5e6fa;margin:0}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--soft-shadow)}
    .quote-mark{font-size:42px;line-height:1;color:var(--cyan);font-weight:900}
    .quote-card blockquote{font-size:18px;line-height:1.85;margin:8px 0 20px}
    .quote-card footer{font-size:13px;color:var(--muted)}
    .faq{max-width:880px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:21px 0;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--blue)}
    .accordion-body{padding:0 0 21px;color:var(--muted);line-height:1.9}
    .cta-section{padding:0 0 90px}
    .cta-box{position:relative;overflow:hidden;background:var(--navy);border-radius:28px;color:#fff;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box:after{content:"";position:absolute;width:260px;height:260px;border:42px solid rgba(54,199,217,.12);border-radius:50%;right:-85px;top:-105px}
    .cta-box h2{font-size:32px;font-weight:900;margin:7px 0}
    .cta-box p{margin:0;color:#c3d2df}
    .cta-box .btn{position:relative;z-index:1;background:var(--orange);color:var(--navy);white-space:nowrap}
    footer{background:#081827;color:#b7c9d7;padding:44px 0 92px}
    .footer-wrap{display:grid;grid-template-columns:1.25fr .75fr .85fr;gap:35px}
    .footer-brand{font-size:22px;color:#fff;font-weight:900;margin-bottom:10px}
    .footer-brand i{display:inline-block;width:9px;height:9px;background:var(--orange);border-radius:50%;margin:0 7px 2px 0}
    .footer-copy{font-size:13px;line-height:1.9;max-width:350px}
    .footer-title{font-weight:800;color:#fff;margin:3px 0 12px}
    .footer-links{display:grid;gap:8px;font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .record{font-size:13px;line-height:2.05}
    .record a{color:#d7e7f3}
    .record a:hover{color:var(--cyan)}
    .fixed-bar{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:40;width:min(720px,calc(100% - 28px));background:rgba(13,32,55,.95);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:10px 12px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:13px;box-shadow:0 15px 40px rgba(5,17,29,.27);color:#fff}
    .fixed-bar span{font-size:13px;color:#d2e1ed}
    .fixed-bar b{color:#fff}
    .fixed-bar .btn{padding:9px 16px;background:var(--orange);color:var(--navy);font-size:13px}
    @media(max-width:1100px){
      .nav-wrap{gap:14px}.main-nav{overflow-x:auto}.main-nav::-webkit-scrollbar{display:none}.main-nav a{padding:9px 8px}
      .nav-actions .btn-light{display:none}.benefit-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:768px){
      .site-header,.nav-wrap{height:68px}.nav-wrap{justify-content:space-between}.brand{font-size:21px}
      .menu-toggle{display:block}.nav-actions{display:none}.main-nav{display:none;position:absolute;top:68px;left:0;width:100%;padding:13px 22px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-wrap:wrap}
      .main-nav.show{display:flex}.main-nav a{padding:8px 10px}
      section{padding:62px 0}.page-hero .hero-inner{grid-template-columns:1fr;padding:52px 0;gap:30px}.page-hero h1{letter-spacing:-1px}.appointment-panel{max-width:500px}
      .section-head{display:block;margin-bottom:27px}.section-head p{margin-top:12px}.section-head h2,.content-copy h2,.scenario-copy h2{font-size:29px}
      .intro-grid,.scenario-wrap,.quote-area{grid-template-columns:1fr;gap:30px}.image-stack img{height:290px}.scenario-wrap img{min-height:250px;height:250px}.scenario-copy{padding:30px}
      .benefit-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}.service-path{grid-template-columns:1fr;gap:22px}.path-side{position:static}.cta-box{padding:35px;display:block}.cta-box .btn{margin-top:20px}
      .footer-wrap{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{padding:0 17px}.page-hero h1{font-size:38px}.page-hero p{font-size:15px}.time-grid{grid-template-columns:repeat(3,1fr)}
      .hero-actions .btn{width:100%}.benefit-grid,.trust-grid{grid-template-columns:1fr}.benefit-card{padding:23px}.benefit-icon{margin-bottom:28px}
      .path-item{padding-left:68px}.path-item:before{left:18px}.quote-card{padding:26px}.cta-box{padding:28px}.cta-box h2{font-size:27px}
      .footer-wrap{grid-template-columns:1fr;gap:22px}.fixed-bar{bottom:10px;padding-left:13px}.fixed-bar span{font-size:12px;line-height:1.45}.fixed-bar .btn{padding:8px 12px}
    }