/* roulang page: index */
:root{
      --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
      --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
      --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
      --radius:22px;--radius-sm:14px;--ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(243,154,82,.75);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.03em}
    h1{font-size:clamp(42px,6vw,76px);max-width:760px}
    h2{font-size:clamp(30px,4vw,48px)}
    h3{font-size:21px}
    .section{padding:105px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
    .btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
    .btn-light{background:var(--white);color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
    .btn-light:hover{background:var(--mint);transform:translateY(-2px)}
    .btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
    .btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
    .tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
    .site-header{position:relative;z-index:10;padding:20px 0;background:var(--paper)}
    .nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
    .brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
    .nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
    .nav-cta{white-space:nowrap;padding:11px 18px}
    .menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
    .hero{min-height:650px;padding:84px 0 70px;background:linear-gradient(90deg,rgba(10,39,47,.92),rgba(10,39,47,.7)),url("/assets/images/backpic/back-1.webp") center/cover;position:relative;overflow:hidden;color:#fff}
    .hero:after{content:"";position:absolute;right:-130px;bottom:-180px;width:500px;height:500px;border:1px solid rgba(204,238,231,.22);border-radius:50%;box-shadow:0 0 0 45px rgba(204,238,231,.05),0 0 0 90px rgba(204,238,231,.04)}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:var(--mint)}
    .hero h1{margin:20px 0 25px}
    .hero h1 em{font-style:normal;color:#f9b97e}
    .hero-intro{max-width:670px;color:rgba(255,255,255,.8);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:34px}
    .lead-box{padding:28px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(12px);border-radius:24px;box-shadow:0 18px 40px rgba(0,0,0,.14)}
    .lead-box h3{margin-bottom:9px}
    .lead-box p{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:20px}
    .lead-form{display:flex;gap:8px;background:#fff;border-radius:13px;padding:6px}
    .lead-form input{min-width:0;flex:1;border:0;outline:0;padding:9px 11px;color:var(--ink);background:transparent}
    .lead-form .btn{padding:10px 16px}
    .form-note{font-size:12px;color:rgba(255,255,255,.62);margin-top:13px}
    .metric-strip{margin-top:53px;display:flex;flex-wrap:wrap;gap:35px}
    .metric{padding-left:17px;border-left:2px solid var(--orange)}
    .metric strong{display:block;font-size:27px;color:#fff}
    .metric span{font-size:13px;color:rgba(255,255,255,.63)}
    .intro-band{background:#fff;border-bottom:1px solid var(--line)}
    .intro-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .intro-layout p{color:var(--muted);margin-top:20px}
    .intro-quote{border-left:4px solid var(--orange);padding:23px 0 23px 28px;font-size:22px;color:var(--navy);font-weight:800}
    .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:35px}
    .kpi{padding:23px;background:var(--paper);border-radius:var(--radius-sm);border:1px solid var(--line)}
    .kpi strong{display:block;color:var(--teal);font-size:30px}
    .kpi span{display:block;color:var(--muted);font-size:13px}
    .news-section{background:var(--navy);color:#fff}
    .news-section .section-head p{color:rgba(255,255,255,.63)}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:25px}
    .news-list{border-top:1px solid rgba(255,255,255,.18)}
    .news-item{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.18)}
    .news-date{color:#f3b278;font-size:13px}
    .news-item h3{font-size:18px}
    .news-item p{color:rgba(255,255,255,.6);font-size:13px;margin-top:5px}
    .news-item a{color:#cceee7;font-size:13px;font-weight:800;white-space:nowrap}
    .news-feature{border-radius:var(--radius);overflow:hidden;position:relative;min-height:370px;background:#173e49}
    .news-feature img{width:100%;height:100%;object-fit:cover;opacity:.6}
    .news-feature-content{position:absolute;inset:auto 27px 24px}
    .news-feature-content h3{font-size:27px;margin:10px 0}
    .news-feature-content p{color:rgba(255,255,255,.78);font-size:14px}
    .services{background:var(--paper)}
    .service-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .service-card{min-height:250px;padding:29px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:var(--ease);position:relative;overflow:hidden}
    .service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#a7d8ce}
    .service-card.featured{grid-row:span 2;background:var(--teal);color:#fff;min-height:518px}
    .service-card img{width:100%;height:135px;object-fit:cover;border-radius:14px;margin:20px 0}
    .service-card.featured img{height:210px}
    .service-card p{color:var(--muted);font-size:14px;margin-top:12px}
    .service-card.featured p{color:rgba(255,255,255,.76)}
    .service-icon{font-size:30px;margin-bottom:20px}
    .service-link{display:inline-block;margin-top:19px;color:var(--teal);font-weight:800;font-size:14px}
    .featured .service-link{color:var(--mint)}
    .topics{background:#e9f1ef}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .topic-card{min-height:185px;padding:23px;background:#fff;border-radius:18px;border:1px solid transparent;position:relative}
    .topic-card:hover{border-color:#9bd2c7;box-shadow:var(--soft-shadow);transform:translateY(-3px)}
    .topic-card h3{margin:28px 0 9px;font-size:19px}
    .topic-card p{font-size:13px;color:var(--muted)}
    .topic-no{position:absolute;top:19px;right:20px;color:#bbd4ce;font-weight:900;font-size:23px}
    .app-section{background:#fff}
    .app-layout{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:70px}
    .app-visual{padding:28px;border-radius:30px;background:linear-gradient(145deg,#d9f2eb,#f8d6b5);position:relative;min-height:370px;overflow:hidden}
    .app-visual img{width:76%;height:280px;object-fit:cover;border-radius:20px;margin:auto;box-shadow:0 20px 35px rgba(16,47,58,.2)}
    .float-note{position:absolute;left:20px;bottom:28px;padding:13px 17px;background:#fff;border-radius:13px;box-shadow:var(--soft-shadow);font-size:13px;font-weight:800}
    .app-copy p{color:var(--muted);margin:20px 0}
    .app-points{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:25px 0}
    .app-point{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:700}
    .check{color:var(--teal);font-weight:900}
    .process-section{background:var(--paper)}
    .process-line{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
    .process-line:before{content:"";position:absolute;top:27px;left:12%;right:12%;height:2px;background:#bbdcd5}
    .process-step{position:relative;text-align:center;padding:0 25px}
    .step-number{display:flex;width:55px;height:55px;margin:0 auto 20px;align-items:center;justify-content:center;border-radius:50%;background:var(--teal);color:#fff;font-size:20px;font-weight:900;border:8px solid var(--paper)}
    .process-step p{color:var(--muted);font-size:14px;margin-top:10px}
    .trust-section{background:var(--white)}
    .trust-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
    .trust-layout>div>p{color:var(--muted);margin-top:20px}
    .trust-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .trust-item{padding:23px;border:1px solid var(--line);border-radius:16px}
    .trust-item strong{display:block;color:var(--navy);margin-bottom:5px}
    .trust-item span{font-size:13px;color:var(--muted)}
    .media-section{background:#f0f6f4}
    .media-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:12px}
    .media-card{min-width:265px;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
    .media-card img{height:145px;width:100%;object-fit:cover}
    .media-card div{padding:18px}
    .media-card h3{font-size:18px;margin:9px 0}
    .media-card p{font-size:13px;color:var(--muted)}
    .stories{background:var(--navy);color:#fff}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .story{padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:19px;background:rgba(255,255,255,.06)}
    .story p{font-size:16px;color:rgba(255,255,255,.78);margin-bottom:18px}
    .story footer{font-size:13px;color:#f5b77e}
    .faq-section{background:#fff}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;justify-content:space-between;gap:20px;padding:22px 0;font-weight:800;font-size:17px;cursor:pointer}
    .faq-question span:last-child{color:var(--teal);font-size:24px;line-height:1;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 40px 22px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .contact-section{background:var(--paper)}
    .contact-box{display:grid;grid-template-columns:1fr 1fr;gap:55px;padding:55px;border-radius:28px;background:var(--mint);align-items:center}
    .contact-box p{color:#436b6a;margin-top:18px}
    .contact-form{display:grid;gap:11px}
    .contact-form input,.contact-form textarea{width:100%;padding:14px 16px;border:1px solid #b9d8d1;border-radius:11px;background:rgba(255,255,255,.76);color:var(--ink);resize:vertical}
    .contact-form textarea{min-height:100px}
    .contact-form .btn{width:max-content}
    .membership{background:#fff}
    .membership-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .member-card{padding:31px;border-radius:22px;border:1px solid var(--line)}
    .member-card.highlight{background:var(--teal);color:#fff;border-color:var(--teal)}
    .member-card h3{font-size:26px}
    .member-card p{font-size:14px;color:var(--muted);margin:10px 0 20px}
    .highlight p{color:rgba(255,255,255,.73)}
    .member-card ul{list-style:none;display:grid;gap:11px;font-size:14px}
    .member-card li:before{content:"✓";color:var(--orange);font-weight:900;margin-right:9px}
    .cta-section{padding:88px 0;background:linear-gradient(120deg,var(--teal-dark),var(--navy));color:#fff;text-align:center}
    .cta-section p{max-width:650px;margin:18px auto 28px;color:rgba(255,255,255,.75)}
    .site-footer{background:#0c242c;color:rgba(255,255,255,.7);padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px;padding-bottom:40px}
    .footer-brand{color:#fff;margin-bottom:15px}
    .footer-about{font-size:13px;max-width:290px}
    .site-footer h4{font-size:15px;color:#fff;margin-bottom:15px}
    .footer-links{list-style:none;display:grid;gap:8px;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
    .footer-bottom a{color:var(--mint)}
    .back-top{position:fixed;right:20px;bottom:20px;width:43px;height:43px;border-radius:50%;background:var(--orange);color:#302318;font-weight:900;opacity:0;pointer-events:none;transition:var(--ease);z-index:8}
    .back-top.show{opacity:1;pointer-events:auto}
    @media(max-width:1024px){
      .nav-links a{padding:8px 7px;font-size:13px}.hero-grid{gap:35px}.section{padding:78px 0}
      .topic-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,620px)}.site-header{padding:12px 0}.nav-panel{flex-wrap:wrap;padding:12px 15px}
      .menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}.nav-links{display:none;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:3px}
      .nav-links.open{display:flex}.nav-links a{padding:10px 12px}.hero{padding:65px 0 58px;min-height:0}.hero-grid,.intro-layout,.app-layout,.trust-layout,.contact-box,.membership-layout,.news-layout{grid-template-columns:1fr;gap:32px}
      h1{font-size:45px}.hero-intro{font-size:16px}.metric-strip{margin-top:35px;gap:20px}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}
      .kpi-grid{grid-template-columns:repeat(2,1fr)}.service-grid{grid-template-columns:1fr 1fr}.service-card.featured{grid-row:auto;grid-column:span 2;min-height:0}.service-card.featured img{height:180px}
      .news-feature{min-height:290px}.news-item{grid-template-columns:85px 1fr}.news-item>a{grid-column:2}.process-line{grid-template-columns:1fr;gap:28px}.process-line:before{top:25px;bottom:25px;left:50%;right:auto;width:2px;height:auto}
      .process-step{background:var(--paper);z-index:1}.trust-list{grid-template-columns:1fr}.contact-box{padding:32px 24px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      body{font-size:15px}.container{width:calc(100% - 24px)}.brand{font-size:22px}.hero-actions,.hero-actions .btn{width:100%}.lead-form{display:block;background:transparent;padding:0}.lead-form input{width:100%;background:#fff;border-radius:10px;margin-bottom:9px;padding:13px}.lead-form .btn{width:100%}
      .metric{flex:1;min-width:105px}.kpi-grid,.topic-grid,.service-grid{grid-template-columns:1fr}.service-card.featured{grid-column:auto}.news-item{display:block}.news-item h3{margin:5px 0}.news-item>a{display:inline-block;margin-top:9px}.app-points{grid-template-columns:1fr}.app-visual{min-height:300px}.app-visual img{height:220px}.story-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category2 */
:root{
      --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
      --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
      --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
      --radius:22px;--radius-sm:14px;--ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(243,154,82,.7);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:94px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
    h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
    h1{font-size:clamp(38px,5vw,66px)}
    h2{font-size:clamp(29px,3.4vw,45px)}
    h3{font-size:20px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
    .btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
    .btn-light{background:var(--white);color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
    .btn-light:hover{background:var(--mint);transform:translateY(-2px)}
    .btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
    .btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
    .tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
    .site-header{position:relative;z-index:10;padding:20px 0;background:var(--paper)}
    .nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
    .brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
    .nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
    .nav-cta{white-space:nowrap;padding:11px 18px}
    .menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
    .hero{padding:82px 0 78px;background:linear-gradient(90deg,rgba(10,39,47,.94),rgba(10,39,47,.72)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-160px;bottom:-250px;width:560px;height:560px;border:1px solid rgba(204,238,231,.25);border-radius:50%;box-shadow:0 0 0 42px rgba(204,238,231,.05),0 0 0 86px rgba(204,238,231,.04)}
    .hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:var(--mint)}
    .hero h1{margin:19px 0 22px;max-width:690px}
    .hero h1 em{font-style:normal;color:#f9b97e}
    .hero-intro{max-width:650px;color:rgba(255,255,255,.8);font-size:18px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .invite-panel{padding:30px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.25);border-radius:24px;backdrop-filter:blur(12px);box-shadow:0 20px 45px rgba(0,0,0,.18)}
    .invite-panel h3{font-size:25px;margin:12px 0 8px}
    .invite-panel p{color:rgba(255,255,255,.72);font-size:14px}
    .reward{display:flex;align-items:end;justify-content:space-between;margin:24px 0 10px}
    .reward strong{font-size:35px;color:#f9b97e}
    .progress{height:10px;border-radius:20px;background:rgba(255,255,255,.18);overflow:hidden}
    .progress i{display:block;width:72%;height:100%;background:var(--orange);border-radius:20px}
    .progress-note{display:flex;justify-content:space-between;color:rgba(255,255,255,.6);font-size:12px;margin-top:8px}
    .stat-band{background:#fff;border-bottom:1px solid var(--line)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
    .stat{padding:28px 24px;background:#fff}
    .stat strong{display:block;font-size:31px;color:var(--teal-dark);line-height:1.2}
    .stat span{font-size:13px;color:var(--muted)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head p{max-width:570px;color:var(--muted)}
    .story{display:grid;grid-template-columns:.92fr 1.08fr;gap:62px;align-items:center}
    .story img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-copy h2{margin:17px 0 20px}
    .story-copy p{color:var(--muted);margin-bottom:18px}
    .check-list{list-style:none;margin:25px 0}
    .check-list li{padding:11px 0 11px 30px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--orange);font-weight:900}
    .matrix{background:#eef7f5}
    .matrix-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .matrix-main,.matrix-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .matrix-main{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .matrix-main h3{grid-column:1/-1;margin-bottom:8px}
    .matrix-item{padding:21px;border-radius:16px;background:#f7faf9;border:1px solid #e1efeb;transition:var(--ease)}
    .matrix-item:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#9bd2c7}
    .matrix-item b{display:block;color:var(--teal-dark);margin-bottom:6px}
    .matrix-item p,.matrix-side p{font-size:14px;color:var(--muted)}
    .matrix-side{background:var(--navy);color:#fff}
    .matrix-side h3{font-size:27px;margin:12px 0 15px}
    .matrix-side p{color:rgba(255,255,255,.68)}
    .side-data{display:flex;justify-content:space-between;padding:18px 0;border-top:1px solid rgba(255,255,255,.16);margin-top:22px}
    .side-data strong{font-size:25px;color:var(--mint)}
    .side-data span{font-size:12px;color:rgba(255,255,255,.6)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;position:relative}
    .step-number{width:38px;height:38px;border-radius:12px;background:var(--mint);color:var(--teal-dark);display:grid;place-items:center;font-weight:900;margin-bottom:24px}
    .step p{color:var(--muted);font-size:14px;margin-top:10px}
    .compare{background:var(--navy);color:#fff}
    .compare .section-head p{color:rgba(255,255,255,.65)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{padding:31px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06)}
    .compare-box.highlight{background:var(--teal);border-color:var(--mint)}
    .compare-box h3{margin-bottom:20px}
    .compare-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.16);font-size:14px}
    .compare-row span:last-child{color:#f9b97e;font-weight:800;text-align:right}
    .scene-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:stretch}
    .scene-intro{padding:32px;border-radius:var(--radius);background:var(--teal);color:#fff}
    .scene-intro h2{margin:15px 0}
    .scene-intro p{color:rgba(255,255,255,.76)}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .scene{padding:24px;background:#fff;border-radius:17px;border:1px solid var(--line)}
    .scene h3{font-size:18px;margin-bottom:8px}
    .scene p{font-size:14px;color:var(--muted)}
    .faq-section{background:#fff}
    .faq-grid{max-width:850px;margin:auto}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;list-style:none;font-weight:800;display:flex;justify-content:space-between;gap:25px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--orange);font-size:24px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;padding:14px 35px 0 0}
    .contact{padding:76px 0;background:linear-gradient(125deg,var(--teal-dark),var(--navy));color:#fff}
    .contact-box{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .contact h2{margin:13px 0}
    .contact p{max-width:650px;color:rgba(255,255,255,.72)}
    .contact-form{display:flex;gap:8px;background:#fff;border-radius:14px;padding:6px;min-width:370px}
    .contact-form input{border:0;outline:0;min-width:0;flex:1;padding:9px 12px;color:var(--ink)}
    .form-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px}
    footer{background:#0c2730;color:rgba(255,255,255,.65);padding:38px 0 24px;font-size:13px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{color:#fff;font-size:23px;font-weight:900;margin-bottom:10px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap}
    .footer-links a:hover{color:var(--mint)}
    .record{display:flex;flex-wrap:wrap;gap:18px;margin-top:19px}
    .record a:hover{color:#fff}
    .copyright{margin-top:18px;color:rgba(255,255,255,.44)}
    @media(max-width:1024px){
      .nav-panel{gap:12px}.nav-links a{padding:8px 7px}
      .hero-grid,.story,.matrix-grid,.scene-layout{gap:35px}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,600px)}
      .site-header{padding:12px 0}.nav-panel{padding:12px 15px}
      .menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}
      .nav-links{display:none;position:absolute;top:72px;left:14px;right:14px;padding:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{text-align:center}
      .hero{padding:65px 0}.hero-grid,.story,.matrix-grid,.scene-layout{grid-template-columns:1fr}
      .hero-intro{font-size:16px}.stats{grid-template-columns:repeat(2,1fr)}
      .section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .story img{height:280px}.scene-list{grid-template-columns:1fr}
      .contact-box{display:block}.contact-form{min-width:0;margin-top:25px}
      .footer-main{display:block}.footer-links{margin-top:20px}
    }
    @media(max-width:520px){
      h1{font-size:39px}.hero-actions .btn{width:100%}.invite-panel{padding:23px}
      .stats,.matrix-main,.compare-grid{grid-template-columns:1fr}.matrix-main h3{grid-column:auto}
      .steps{grid-template-columns:1fr}.stat{padding:21px 16px}
      .contact-form{display:block;background:transparent;padding:0}.contact-form input{width:100%;border-radius:12px;margin-bottom:9px}
      .contact-form .btn{width:100%}.record{display:block}.record span,.record a{display:block;margin-bottom:8px}
    }

/* roulang page: category3 */
:root{
      --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
      --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
      --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
      --radius:22px;--radius-sm:14px;--ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    h1,h2,h3,h4{line-height:1.3}
    h1{font-size:clamp(38px,5vw,64px);letter-spacing:-2px}
    h2{font-size:clamp(27px,3.2vw,40px);letter-spacing:-1px}
    h3{font-size:20px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:95px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .section-head p{max-width:570px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
    .btn:focus,.nav-links a:focus,.faq-q:focus,input:focus{outline:3px solid rgba(243,154,82,.42);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
    .btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
    .btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
    .btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
    .btn-light{background:var(--white);color:var(--teal-dark)}
    .btn-light:hover{background:var(--mint);transform:translateY(-2px)}
    .tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
    .site-header{position:relative;z-index:20;padding:20px 0;background:var(--paper)}
    .nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
    .brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
    .nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
    .nav-cta{white-space:nowrap;padding:11px 18px}
    .menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
    .breadcrumb{padding:18px 0;color:var(--muted);font-size:14px}
    .breadcrumb span{padding:0 8px;color:#a4b0b5}
    .inner-hero{padding:68px 0 72px;color:#fff;position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(8,52,59,.94),rgba(10,45,54,.73)),url("/assets/images/backpic/back-2.webp") center/cover}
    .inner-hero:after{content:"";position:absolute;right:4%;bottom:-170px;width:420px;height:420px;border:1px solid rgba(204,238,231,.28);border-radius:50%;box-shadow:0 0 0 46px rgba(204,238,231,.06),0 0 0 94px rgba(204,238,231,.04)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center;position:relative;z-index:1}
    .inner-hero .eyebrow{color:var(--mint)}
    .hero-copy p{max-width:680px;color:rgba(255,255,255,.8);font-size:18px;margin:20px 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .member-panel{padding:24px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(12px);border-radius:24px;box-shadow:0 18px 40px rgba(0,0,0,.13)}
    .member-panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.2)}
    .member-panel strong{font-size:22px}
    .level-chip{padding:6px 12px;background:var(--orange);color:#372516;border-radius:99px;font-size:12px;font-weight:900}
    .progress-label{display:flex;justify-content:space-between;margin:20px 0 8px;color:rgba(255,255,255,.76);font-size:13px}
    .progress{height:10px;background:rgba(255,255,255,.2);border-radius:10px;overflow:hidden}
    .progress i{display:block;width:68%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--orange),#ffd19e)}
    .panel-benefits{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
    .panel-benefits div{padding:11px;border-radius:12px;background:rgba(255,255,255,.1);font-size:13px;color:#fff}
    .panel-benefits b{display:block;color:var(--mint);font-size:17px}
    .dashboard{margin-top:-34px;position:relative;z-index:3}
    .stats-board{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .stat{padding:27px 26px;background:var(--white)}
    .stat b{display:block;color:var(--teal-dark);font-size:31px;line-height:1.1;margin-bottom:7px}
    .stat span{color:var(--muted);font-size:13px}
    .intro-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
    .image-stack{position:relative;padding:0 26px 30px 0}
    .image-stack img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-stack:after{content:"";position:absolute;right:0;bottom:0;width:55%;height:48%;border-radius:18px;background:var(--mint);z-index:-1}
    .intro-text p{color:var(--muted);margin-top:18px}
    .check-list{list-style:none;margin-top:25px;display:grid;gap:13px}
    .check-list li{position:relative;padding-left:31px;font-weight:700}
    .check-list li:before{content:"✓";position:absolute;left:0;top:2px;width:21px;height:21px;line-height:21px;text-align:center;border-radius:50%;background:#dff4ef;color:var(--teal-dark);font-size:12px}
    .benefit-section{background:#fff}
    .benefit-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:22px}
    .feature-spot{padding:35px;border-radius:var(--radius);background:var(--teal);color:#fff;min-height:430px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
    .feature-spot:before{content:"★";position:absolute;right:28px;top:10px;color:rgba(255,255,255,.14);font-size:135px}
    .feature-spot p{color:rgba(255,255,255,.77);margin:16px 0 24px}
    .benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .benefit-card{padding:25px;border:1px solid var(--line);border-radius:18px;background:var(--paper);transition:var(--ease)}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow);border-color:#9bd2c7}
    .benefit-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:#dff4ef;color:var(--teal-dark);font-size:22px;margin-bottom:18px}
    .benefit-card p{font-size:14px;color:var(--muted);margin-top:8px}
    .levels-wrap{background:var(--navy);color:#fff}
    .levels-wrap .section-head p{color:rgba(255,255,255,.66)}
    .levels{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .level-card{padding:29px;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);background:rgba(255,255,255,.06);transition:var(--ease)}
    .level-card:hover{background:rgba(255,255,255,.11);transform:translateY(-5px)}
    .level-card.highlight{background:var(--white);color:var(--ink);border-color:var(--white)}
    .level-no{color:var(--mint);font-weight:900;font-size:13px;letter-spacing:1px}
    .highlight .level-no{color:var(--teal)}
    .level-card h3{font-size:26px;margin:8px 0}
    .level-card p{font-size:14px;color:rgba(255,255,255,.67)}
    .highlight p{color:var(--muted)}
    .level-card ul{list-style:none;margin-top:22px}
    .level-card li{padding:10px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px}
    .highlight li{border-color:var(--line)}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .scene-main{min-height:400px;padding:42px;display:flex;align-items:end;position:relative;overflow:hidden;color:#fff;border-radius:var(--radius);background:linear-gradient(0deg,rgba(10,38,46,.88),rgba(10,38,46,.12)),url("/assets/images/coverpic/cover-3.webp") center/cover}
    .scene-main p{max-width:520px;color:rgba(255,255,255,.82);margin-top:12px}
    .scene-list{display:grid;gap:14px}
    .scene-item{padding:22px;display:flex;gap:17px;align-items:flex-start;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}
    .scene-item:hover{box-shadow:var(--soft-shadow);transform:translateX(-4px)}
    .scene-item b{display:grid;place-items:center;flex:0 0 39px;height:39px;border-radius:12px;background:#e9f7f3;color:var(--teal-dark)}
    .scene-item p{font-size:13px;color:var(--muted);margin-top:3px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .step{position:relative;padding:0 16px 0 0}
    .step:not(:last-child):after{content:"";position:absolute;top:25px;right:-11px;width:22px;border-top:2px dashed #a9d5cc}
    .step-num{width:51px;height:51px;display:grid;place-items:center;border-radius:17px;background:var(--teal);color:#fff;font-weight:900;font-size:18px;margin-bottom:18px}
    .step p{font-size:14px;color:var(--muted);margin-top:7px}
    .support-band{padding:34px;border-radius:var(--radius);background:#e7f4f1;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
    .support-band p{color:#4f6668;margin-top:10px}
    .support-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .support-list div{background:#fff;padding:13px 16px;border-radius:12px;color:var(--teal-dark);font-size:14px;font-weight:800}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .faq-intro p{color:var(--muted);margin:15px 0 23px}
    .faq-list{display:grid;gap:12px}
    .faq{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 21px;background:#fff;color:var(--ink);text-align:left;font-weight:800}
    .faq-q span:last-child{color:var(--teal);font-size:24px;line-height:1}
    .faq-a{display:none;padding:0 21px 20px;color:var(--muted);font-size:14px}
    .faq.open .faq-a{display:block}
    .faq.open .faq-q{color:var(--teal-dark)}
    .cta-section{padding:0 0 95px}
    .cta-box{padding:55px;overflow:hidden;position:relative;border-radius:var(--radius);background:linear-gradient(100deg,#087f82,#07585f);color:#fff}
    .cta-box:after{content:"";position:absolute;right:-80px;top:-135px;width:380px;height:380px;border:42px solid rgba(255,255,255,.09);border-radius:50%}
    .cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-box p{color:rgba(255,255,255,.78);margin-top:11px;max-width:650px}
    footer{background:var(--navy);color:#fff;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.1fr 1.4fr .8fr;gap:42px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.16)}
    .footer-brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:900}
    .footer-brand .brand-mark{display:inline-block}
    .footer-copy{font-size:14px;color:rgba(255,255,255,.62);margin-top:16px;max-width:310px}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .footer-links a{color:rgba(255,255,255,.75);font-size:14px}
    .footer-links a:hover{color:var(--mint)}
    .footer-contact{font-size:14px;color:rgba(255,255,255,.7)}
    .footer-contact b{display:block;color:#fff;font-size:16px;margin-bottom:8px}
    .record{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:22px;color:rgba(255,255,255,.5);font-size:12px}
    .record a:hover{color:var(--mint)}
    @media(max-width:1024px){
      .nav-panel{gap:12px;padding-left:15px}.nav-links a{padding:8px 9px;font-size:13px}.nav-cta{display:none}
      .hero-grid,.intro-layout,.faq-layout{gap:38px}.benefit-layout{grid-template-columns:1fr}.feature-spot{min-height:270px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,1180px)}.section{padding:68px 0}.site-header{padding:13px 0}
      .nav-panel{position:relative;flex-wrap:wrap}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;width:100%;order:4;flex-direction:column;align-items:stretch;padding-top:10px;border-top:1px solid var(--line)}
      .nav-links.show{display:flex}.nav-links a{font-size:14px}.hero-grid,.intro-layout,.scene-grid,.faq-layout,.support-band{grid-template-columns:1fr}
      .inner-hero{padding:52px 0}.member-panel{max-width:570px}.stats-board{grid-template-columns:repeat(2,1fr)}.levels{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr);gap:28px}.step:not(:last-child):after{display:none}
      .section-head,.cta-inner{display:block}.section-head p{margin-top:13px}.cta-inner .btn{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      body{font-size:15px}.brand{font-size:22px}.brand-mark{width:31px;height:31px}.hero-copy p{font-size:16px}.hero-actions,.hero-actions .btn{width:100%}.stats-board{grid-template-columns:1fr}.stat{padding:20px}
      .panel-benefits,.benefit-grid,.support-list{grid-template-columns:1fr}.image-stack{padding-right:14px}.image-stack img{height:300px}.scene-main{padding:27px;min-height:330px}.steps{grid-template-columns:1fr}.cta-box{padding:34px 25px}.footer-grid{grid-template-columns:1fr}.record{display:block}.record span,.record a{display:block;margin:7px 0}
    }

/* roulang page: category1 */
:root{
 --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
 --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
 --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
 --radius:22px;--radius-sm:14px;--ease:all .25s ease;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(243,154,82,.55);outline-offset:3px}
h1,h2,h3,h4{line-height:1.28}
h1{font-size:clamp(39px,5vw,68px);letter-spacing:-2px}
h2{font-size:clamp(28px,3vw,42px);letter-spacing:-1px}
h3{font-size:20px}
p{margin:0}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
.section-head h2{max-width:600px}
.section-head p{max-width:505px;color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
.btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
.btn-light{background:var(--white);color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:var(--mint);transform:translateY(-2px)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
.site-header{position:relative;z-index:20;padding:20px 0;background:var(--paper)}
.nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
.nav-cta{white-space:nowrap;padding:11px 18px}
.menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
.inner-hero{position:relative;min-height:565px;padding:76px 0 62px;overflow:hidden;color:#fff;background:linear-gradient(90deg,rgba(8,42,48,.94),rgba(8,42,48,.61)),url("/assets/images/backpic/back-2.webp") center/cover}
.inner-hero:after{content:"";position:absolute;width:570px;height:570px;right:-150px;top:-155px;border:1px solid rgba(204,238,231,.3);border-radius:50%;box-shadow:0 0 0 46px rgba(204,238,231,.06),0 0 0 92px rgba(204,238,231,.04)}
.hero-content{max-width:780px;position:relative;z-index:1}
.inner-hero .eyebrow{color:var(--mint)}
.hero-content h1{margin:17px 0 19px}
.hero-content h1 em{font-style:normal;color:#ffc17e}
.hero-content>p{max-width:700px;color:rgba(255,255,255,.82);font-size:18px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:29px}
.countdown{position:relative;z-index:2;display:flex;align-items:center;gap:20px;margin-top:48px;padding:16px 20px;border:1px solid rgba(255,255,255,.25);border-radius:18px;background:rgba(255,255,255,.12);backdrop-filter:blur(10px);max-width:775px}
.countdown-label{font-size:14px;color:#d9f4ef;font-weight:800;min-width:112px}
.time-group{display:flex;gap:9px}
.time-unit{min-width:55px;text-align:center;padding:5px 7px;border-radius:10px;background:rgba(0,0,0,.23)}
.time-unit strong{display:block;font-size:21px;line-height:1.2;color:#fff}
.time-unit span{font-size:10px;color:rgba(255,255,255,.65)}
.quick-strip{margin-top:-30px;position:relative;z-index:4}
.quick-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--line);box-shadow:var(--shadow)}
.quick-item{min-height:118px;padding:23px;background:#fff}
.quick-item b{display:block;font-size:25px;color:var(--teal-dark);line-height:1.15;margin-bottom:6px}
.quick-item span{font-size:13px;color:var(--muted)}
.dashboard{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:stretch}
.dashboard-intro{padding:40px;background:var(--navy);color:#fff;border-radius:var(--radius)}
.dashboard-intro p{color:rgba(255,255,255,.72);margin:17px 0 25px}
.dashboard-intro ul{list-style:none;padding:0}
.dashboard-intro li{padding:10px 0;border-top:1px solid rgba(255,255,255,.15);font-size:14px;color:#d8eeeb}
.dashboard-intro li:before{content:"✓";color:#ffc17e;margin-right:10px;font-weight:900}
.metric-board{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.metric-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--soft-shadow)}
.metric-card:nth-child(2){background:#e8f5f1}
.metric-card:nth-child(3){background:#fff1e5}
.metric-card .metric-icon{font-size:25px;margin-bottom:19px}
.metric-card strong{display:block;font-size:34px;color:var(--teal-dark);line-height:1.15}
.metric-card span{display:block;color:var(--muted);font-size:14px;margin-top:7px}
.matrix-section{background:#fff}
.service-matrix{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
.service-card{border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:28px;min-height:230px;transition:var(--ease)}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a9d9d0}
.service-card.large{grid-row:span 2;background:var(--teal);color:#fff;min-height:478px;position:relative;overflow:hidden}
.service-card.large:after{content:"";position:absolute;width:180px;height:180px;border:30px solid rgba(255,255,255,.09);border-radius:50%;right:-42px;bottom:-50px}
.service-card img{width:100%;height:190px;object-fit:cover;border-radius:15px;margin:18px 0}
.service-card h3{margin-top:13px}
.service-card p{font-size:14px;color:var(--muted);margin-top:9px}
.service-card.large p{color:rgba(255,255,255,.76)}
.service-card a{display:inline-block;margin-top:18px;font-weight:800;font-size:14px;color:var(--teal-dark)}
.service-card.large a{color:#d6faf1}
.icon-disc{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#dff4ef;color:var(--teal-dark);font-weight:900;font-size:18px}
.service-card.large .icon-disc{background:rgba(255,255,255,.16);color:#fff}
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{padding:35px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.compare-card.emphasis{background:#e9f7f3;border-color:#abd9cf}
.compare-card h3{font-size:24px}
.compare-card p{font-size:14px;color:var(--muted);margin:10px 0 20px}
.compare-list{list-style:none;padding:0}
.compare-list li{padding:12px 0;border-top:1px solid rgba(8,127,130,.14);font-size:15px}
.compare-list li:before{content:"●";font-size:10px;color:var(--orange);margin-right:10px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.scene-card{display:grid;grid-template-columns:180px 1fr;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene-card img{width:100%;height:100%;object-fit:cover}
.scene-body{padding:26px}
.scene-body p{font-size:14px;color:var(--muted);margin:10px 0 17px}
.scene-link{font-size:14px;color:var(--teal);font-weight:800}
.process{background:var(--navy);color:#fff}
.process .section-head p{color:rgba(255,255,255,.68)}
.process .eyebrow{color:var(--mint)}
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.process-item{position:relative;padding:28px 23px;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:rgba(255,255,255,.06)}
.process-item:not(:last-child):after{content:"";position:absolute;right:-15px;top:50%;width:10px;height:10px;border-top:2px solid var(--orange);border-right:2px solid var(--orange);transform:rotate(45deg)}
.process-num{display:block;color:#ffc17e;font-size:13px;font-weight:900;letter-spacing:1px}
.process-item h3{margin:12px 0 9px}
.process-item p{font-size:14px;color:rgba(255,255,255,.68)}
.safety-layout{display:grid;grid-template-columns:1fr .9fr;gap:56px;align-items:center}
.safety-image{position:relative}
.safety-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius)}
.safety-badge{position:absolute;right:-15px;bottom:25px;width:195px;padding:18px;border-radius:16px;background:#fff;box-shadow:var(--shadow)}
.safety-badge strong{display:block;font-size:28px;color:var(--teal-dark)}
.safety-badge span{font-size:13px;color:var(--muted)}
.safety-copy p{color:var(--muted);margin:17px 0 22px}
.check-list{list-style:none;padding:0}
.check-list li{padding:13px 0 13px 34px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;top:13px;width:23px;height:23px;text-align:center;line-height:23px;border-radius:50%;background:#dff4ef;color:var(--teal-dark);font-weight:900;font-size:13px}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}
.faq-intro p{color:var(--muted);margin:16px 0 24px}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
.faq-item summary{position:relative;cursor:pointer;list-style:none;padding:19px 52px 19px 21px;font-weight:800}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:20px;top:15px;color:var(--teal);font-size:24px;font-weight:400}
.faq-item[open] summary{background:#eaf7f4;color:var(--teal-dark)}
.faq-item[open] summary:after{content:"－"}
.faq-answer{padding:4px 21px 20px;color:var(--muted);font-size:14px}
.contact-cta{padding:74px 0;background:linear-gradient(110deg,var(--teal-dark),var(--teal));color:#fff}
.contact-box{display:grid;grid-template-columns:1fr .78fr;gap:55px;align-items:center}
.contact-box p{color:rgba(255,255,255,.77);font-size:17px;margin:16px 0 0;max-width:640px}
.contact-form{padding:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);border-radius:18px}
.contact-form label{display:block;color:#e4fbf7;font-size:13px;font-weight:800;margin-bottom:7px}
.form-row{display:flex;gap:8px}
.contact-form input{min-width:0;flex:1;border:0;border-radius:11px;padding:12px 13px;color:var(--ink);outline:0}
.form-note{display:block;font-size:12px;color:rgba(255,255,255,.66);margin-top:10px}
footer{background:#0b222b;color:#d7e3e4;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand{font-size:25px;font-weight:900;color:#fff;display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{display:inline-block}
.footer-desc{color:rgba(255,255,255,.61);font-size:14px;margin-top:14px;max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:14px}
.footer-links{list-style:none;padding:0;display:grid;gap:8px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-links a:hover{color:#bfeee4}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-records{display:flex;gap:13px;flex-wrap:wrap}
.footer-records a:hover{color:#fff}
@media(max-width:1024px){
 .nav-panel{gap:13px}.nav-links a{padding:8px 8px;font-size:13px}.nav-cta{padding:10px 13px}
 .service-matrix{grid-template-columns:1fr 1fr}.service-card.large{grid-row:auto;grid-column:span 2;min-height:auto}
 .process-list{grid-template-columns:repeat(2,1fr)}.process-item:nth-child(2):after{display:none}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,1180px)}.section{padding:66px 0}.section-head{display:block;margin-bottom:29px}.section-head p{margin-top:14px}
 .site-header{padding:13px 0}.nav-panel{padding:11px 13px 11px 17px;flex-wrap:wrap}.brand{font-size:22px}.menu-toggle{display:block;margin-left:auto}
 .nav-cta{display:none}.nav-links{display:none;order:3;width:100%;padding-top:10px;border-top:1px solid var(--line);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px}
 .inner-hero{min-height:auto;padding:65px 0 55px}.hero-content>p{font-size:16px}.countdown{gap:12px;align-items:flex-start;flex-direction:column;margin-top:34px}.time-unit{min-width:48px}
 .quick-panel{grid-template-columns:repeat(2,1fr)}.dashboard,.safety-layout,.faq-layout,.contact-box{grid-template-columns:1fr;gap:32px}
 .scene-grid,.compare-wrap{grid-template-columns:1fr}.safety-image img{height:300px}.safety-badge{right:12px;bottom:-17px}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
 body{font-size:15px}h1{font-size:38px;letter-spacing:-1px}.hero-actions .btn{width:100%}
 .quick-item{min-height:102px;padding:18px}.quick-item b{font-size:21px}.metric-board{grid-template-columns:1fr}.service-matrix{grid-template-columns:1fr}.service-card.large{grid-column:auto}
 .scene-card{grid-template-columns:1fr}.scene-card img{height:175px}.process-list{grid-template-columns:1fr}.process-item:after{display:none}
 .time-group{gap:5px}.time-unit{min-width:43px;padding:5px}.contact-form .form-row{flex-direction:column}.contact-form .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}
}

/* roulang page: category4 */
:root{
 --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
 --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
 --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
 --radius:22px;--radius-sm:14px;--ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:92px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,43px);line-height:1.2;letter-spacing:-1px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
.btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
.btn-light{background:var(--white);color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:var(--mint);transform:translateY(-2px)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.btn:focus,.menu-toggle:focus,input:focus{outline:3px solid rgba(243,154,82,.4);outline-offset:3px}
.tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
.site-header{position:relative;z-index:10;padding:20px 0;background:var(--paper)}
.nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
.nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
.nav-cta{white-space:nowrap;padding:11px 18px}
.menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
.page-hero{padding:75px 0 72px;background:linear-gradient(90deg,rgba(10,39,47,.94),rgba(10,39,47,.68)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
.page-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.12;margin:18px 0 22px;letter-spacing:-2px}
.page-hero h1 em{font-style:normal;color:#f9b97e}
.page-hero p{max-width:650px;color:rgba(255,255,255,.78);font-size:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.flash-card{background:#fff;color:var(--ink);border-radius:24px;padding:26px;box-shadow:0 22px 55px rgba(0,0,0,.22);position:relative}
.flash-card:before{content:"限时回馈";position:absolute;right:22px;top:22px;background:var(--orange);color:#342417;padding:5px 10px;border-radius:30px;font-size:12px;font-weight:800}
.flash-card img{width:100%;height:170px;object-fit:cover;border-radius:16px;margin-bottom:20px}
.flash-card h3{font-size:24px;margin-bottom:7px}
.flash-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
.countdown{display:flex;gap:9px;align-items:center;margin-bottom:21px}
.time-box{background:#edf6f3;color:var(--teal-dark);padding:8px 12px;border-radius:10px;text-align:center;min-width:54px;font-weight:900}
.time-box small{display:block;font-size:10px;font-weight:600;color:var(--muted)}
.kpi-strip{background:#fff;border-bottom:1px solid var(--line)}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.kpi{padding:28px 25px;border-right:1px solid var(--line)}
.kpi:last-child{border:0}.kpi strong{display:block;font-size:31px;color:var(--teal-dark);line-height:1.2}.kpi span{font-size:13px;color:var(--muted)}
.matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:25px;align-items:stretch}
.matrix-main{background:var(--teal);color:#fff;border-radius:var(--radius);padding:36px;position:relative;overflow:hidden}
.matrix-main:after{content:"✦";position:absolute;right:40px;bottom:-25px;color:rgba(255,255,255,.13);font-size:180px}
.matrix-main h3{font-size:29px;max-width:440px;line-height:1.3}
.matrix-main p{color:rgba(255,255,255,.75);max-width:520px;margin:15px 0 26px}
.matrix-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative;z-index:1}
.matrix-list div{padding:15px;border:1px solid rgba(255,255,255,.24);border-radius:14px;background:rgba(255,255,255,.1)}
.matrix-list b{display:block;color:#fff}.matrix-list span{font-size:12px;color:rgba(255,255,255,.66)}
.side-stack{display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.side-card h3{font-size:21px;margin:10px 0 7px}.side-card p{font-size:14px;color:var(--muted)}
.icon{display:inline-flex;width:39px;height:39px;border-radius:12px;align-items:center;justify-content:center;background:var(--mint);color:var(--teal-dark);font-weight:900}
.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.offer-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.offer-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a7d8ce}
.offer-card img{width:100%;height:150px;object-fit:cover}
.offer-body{padding:24px}.offer-body h3{font-size:21px;margin:12px 0 8px}.offer-body p{color:var(--muted);font-size:14px;min-height:72px}
.offer-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;color:var(--teal);font-weight:800;font-size:13px}
.dark-section{background:var(--navy);color:#fff}
.dark-section .section-head p{color:rgba(255,255,255,.65)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid rgba(255,255,255,.2);border-radius:20px;overflow:hidden}
.compare-col{padding:30px}.compare-col:first-child{background:rgba(255,255,255,.06)}.compare-col:last-child{background:var(--teal)}
.compare-col h3{font-size:22px;margin-bottom:18px}.compare-col ul{list-style:none}.compare-col li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.76)}.compare-col li:before{content:"✓";color:#f9b97e;font-weight:900;margin-right:10px}
.scenes{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}
.scenes img{width:100%;height:355px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.scene-list{display:grid;gap:15px}.scene-row{display:flex;gap:16px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:16px}.scene-row b{display:block}.scene-row p{font-size:13px;color:var(--muted);margin-top:3px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;counter-reset:steps}.step{background:#fff;padding:25px;border-radius:18px;border:1px solid var(--line);position:relative}.step:before{counter-increment:steps;content:"0" counter(steps);font-size:28px;font-weight:900;color:var(--orange)}.step h3{font-size:18px;margin:12px 0 6px}.step p{font-size:13px;color:var(--muted)}
.notice{background:#fff5e9;border:1px solid #f6d2ad;border-radius:18px;padding:22px 25px;color:#704b2a;display:flex;gap:14px;align-items:flex-start}
.faq-wrap{max-width:860px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:12px;overflow:hidden}.faq-q{width:100%;padding:20px 23px;text-align:left;background:transparent;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;align-items:center}.faq-q span{font-size:23px;color:var(--teal);transition:var(--ease)}.faq-a{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta{padding:70px 0;background:var(--mint)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(28px,4vw,43px);line-height:1.2}.cta p{color:var(--muted);margin-top:10px}
footer{background:#0d2932;color:#fff;padding:48px 0 25px}.footer-main{display:flex;justify-content:space-between;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.16)}.footer-brand{font-size:25px;font-weight:900}.footer-main p{color:rgba(255,255,255,.6);font-size:14px;max-width:420px;margin-top:10px}.footer-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.footer-links a{color:rgba(255,255,255,.7);font-size:14px}.footer-links a:hover{color:var(--mint)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;color:rgba(255,255,255,.52);font-size:12px}
@media(max-width:1024px){.nav-panel{gap:12px}.nav-links a{padding:8px 7px}.page-hero-grid,.matrix,.scenes{gap:28px}.section{padding:75px 0}}
@media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-panel{flex-wrap:wrap}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;order:4;width:100%;flex-basis:100%;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-cta{display:none}.page-hero-grid,.matrix,.scenes{grid-template-columns:1fr}.page-hero{padding:58px 0}.kpi-grid{grid-template-columns:repeat(2,1fr)}.kpi:nth-child(2){border-right:0}.kpi:nth-child(-n+2){border-bottom:1px solid var(--line)}.offer-grid,.steps{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:14px}.cta-box{display:block}.cta .btn{margin-top:22px}.footer-main{display:block}.footer-links{margin-top:25px}}
@media(max-width:520px){.section{padding:58px 0}.page-hero h1{font-size:42px}.page-hero p{font-size:16px}.hero-actions,.hero-actions .btn{width:100%}.flash-card{padding:20px}.flash-card img{height:140px}.kpi strong{font-size:25px}.kpi{padding:22px 15px}.matrix-main{padding:25px}.matrix-list,.offer-grid,.steps,.compare{grid-template-columns:1fr}.side-card{padding:23px}.scenes img{height:250px}.compare-col{padding:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category5 */
:root{
 --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
 --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
 --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
 --radius:22px;--radius-sm:14px;--ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:570px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
.btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
.btn-light{background:#fff;color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:var(--mint);transform:translateY(-2px)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.btn:focus,.nav-links a:focus,.menu-toggle:focus,input:focus,textarea:focus{outline:3px solid rgba(243,154,82,.42);outline-offset:3px}
.tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
.site-header{position:relative;z-index:10;padding:20px 0;background:var(--paper)}
.nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
.nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
.nav-cta{white-space:nowrap;padding:11px 18px}
.menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
.page-banner{background:linear-gradient(90deg,rgba(10,39,47,.94),rgba(10,39,47,.72)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff;padding:72px 0 68px}
.banner-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:end;gap:60px}
.page-banner h1{font-size:clamp(38px,6vw,70px);line-height:1.12;margin:17px 0 20px}
.page-banner h1 em{font-style:normal;color:#f9b97e}
.page-banner p{max-width:690px;color:rgba(255,255,255,.78);font-size:18px}
.banner-card{padding:24px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);border-radius:20px;backdrop-filter:blur(8px)}
.banner-card strong{display:block;font-size:34px;color:var(--mint);line-height:1.2}
.banner-card span{display:block;color:rgba(255,255,255,.7);font-size:14px;margin-top:7px}
.kpi-strip{background:var(--navy);color:#fff;padding:25px 0}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi{padding:8px 22px;border-left:1px solid rgba(255,255,255,.2)}
.kpi strong{display:block;color:var(--mint);font-size:29px;line-height:1.2}
.kpi span{color:rgba(255,255,255,.62);font-size:13px}
.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
.intro-image{position:relative}
.intro-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-note{position:absolute;right:-20px;bottom:22px;background:var(--orange);padding:15px 20px;border-radius:15px;font-weight:900;color:#3d291b}
.copy h2{font-size:38px;line-height:1.3;margin:15px 0 20px}
.copy p{color:var(--muted);margin-bottom:17px}
.check-list{list-style:none;margin-top:23px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-weight:700}
.check-list li:before{content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:var(--mint);color:var(--teal-dark);text-align:center;line-height:20px;font-size:12px}
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.matrix-card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--radius-sm);display:grid;grid-template-columns:58px 1fr;gap:18px;transition:var(--ease)}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a7d8ce}
.icon{width:52px;height:52px;border-radius:16px;background:#e7f5f1;color:var(--teal);display:grid;place-items:center;font-size:24px;font-weight:900}
.matrix-card h3{font-size:20px;margin-bottom:7px}
.matrix-card p{color:var(--muted);font-size:14px}
.split-section{background:#eaf3f1}
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.scenario-list{display:grid;gap:12px}
.scenario-item{display:flex;gap:17px;padding:20px;background:#fff;border-radius:16px;border:1px solid var(--line)}
.scenario-item b{color:var(--teal);font-size:22px}
.scenario-item h3{font-size:18px}
.scenario-item p{color:var(--muted);font-size:14px;margin-top:3px}
.quote-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:40px;min-height:285px;display:flex;flex-direction:column;justify-content:center}
.quote-box .tag{background:rgba(204,238,231,.15);color:var(--mint);width:max-content}
.quote-box h3{font-size:28px;line-height:1.4;margin:18px 0 12px}
.quote-box p{color:rgba(255,255,255,.68);font-size:14px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-step{padding:27px 23px 10px;border-right:1px solid var(--line);position:relative}
.process-step:last-child{border-right:0}
.process-step b{font-size:42px;color:#b7ded5;line-height:1}
.process-step h3{margin:15px 0 7px;font-size:18px}
.process-step p{font-size:14px;color:var(--muted)}
.evidence{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.evidence-card{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
.evidence-card h3{font-size:23px;margin-bottom:14px}
.evidence-card p{color:var(--muted);font-size:14px}
.evidence-card img{height:180px;width:100%;object-fit:cover;border-radius:16px;margin-bottom:22px}
.faq-section{background:#fff}
.faq-list{max-width:850px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:none;text-align:left;padding:22px 42px 22px 0;font-weight:800;font-size:17px;position:relative;color:var(--ink)}
.faq-question:after{content:"+";position:absolute;right:7px;color:var(--teal);font-size:25px;top:16px}
.faq-item.open .faq-question:after{content:"−"}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 40px 22px 0}
.faq-item.open .faq-answer{display:block}
.cta{padding:76px 0;background:var(--teal);color:#fff}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:35px;line-height:1.3;margin:14px 0 8px}
.cta p{color:rgba(255,255,255,.72)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.contact-form{display:flex;gap:10px;margin-top:24px;max-width:620px}
.contact-form input{flex:1;min-width:0;border:0;border-radius:100px;padding:14px 18px;background:#fff;color:var(--ink)}
.site-footer{background:#0b2730;color:#fff;padding:45px 0 22px}
.footer-top{display:flex;justify-content:space-between;gap:35px;align-items:start}
.footer-brand p{color:rgba(255,255,255,.58);font-size:13px;max-width:300px;margin-top:13px}
.footer-links{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.68);font-size:13px}
.footer-links a:hover{color:var(--mint)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:rgba(255,255,255,.48);font-size:12px}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 7px}.hero-grid,.banner-grid{gap:35px}.intro-grid{gap:35px}.section{padding:75px 0}}
@media(max-width:768px){
 .container{width:min(100% - 30px,600px)}.site-header{padding:12px 0}.nav-panel{position:relative;padding:11px 15px 11px 17px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:0;right:0;top:67px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-cta{display:none}.hero-grid,.banner-grid,.intro-grid,.scenario-grid,.evidence{grid-template-columns:1fr}.hero{min-height:auto;padding:65px 0}.page-banner{padding:55px 0}.kpi-grid{grid-template-columns:repeat(2,1fr);gap:12px}.kpi{padding:10px 15px}.section-head{display:block}.section-head p{margin-top:13px}.process-grid{grid-template-columns:1fr 1fr}.process-step:nth-child(2){border-right:0}.process-step{border-bottom:1px solid var(--line)}.cta-box,.footer-top{display:block}.cta-actions{margin-top:24px}.copy h2{font-size:31px}.image-note{right:12px}}
@media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 28px)}.brand{font-size:21px}.brand-mark{width:31px;height:31px}.page-banner h1{font-size:40px}.page-banner p,.hero-intro{font-size:16px}.kpi-grid{grid-template-columns:1fr 1fr}.matrix{grid-template-columns:1fr}.matrix-card{padding:22px 18px}.intro-image img{height:280px}.process-grid{grid-template-columns:1fr}.process-step{border-right:0;padding:22px 0}.contact-form{display:block}.contact-form input{width:100%;margin-bottom:10px}.contact-form .btn{width:100%}.footer-links{margin-top:25px;gap:15px}}

/* roulang page: category6 */
:root{
 --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
 --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
 --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
 --radius:22px;--radius-sm:14px;--ease:all .25s ease
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,h4{line-height:1.3}
h1{font-size:clamp(2.45rem,5vw,4.7rem);letter-spacing:-.055em}
h2{font-size:clamp(1.75rem,3vw,2.7rem);letter-spacing:-.035em}
h3{font-size:1.18rem}
p{margin:0}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.section-tight{padding:58px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head p{max-width:570px;color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(243,154,82,.48);outline-offset:3px}
.btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
.btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--teal-dark)}
.btn-light:hover{background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
.site-header{position:relative;z-index:20;padding:20px 0;background:var(--paper)}
.nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
.nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
.nav-cta{white-space:nowrap;padding:11px 18px}
.menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
.inner-hero{padding:42px 0 68px;background:linear-gradient(135deg,#102f3a 0%,#0b666b 63%,#087f82 100%);color:#fff;position:relative;overflow:hidden}
.inner-hero:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(204,238,231,.25);border-radius:50%;right:-80px;top:-170px;box-shadow:0 0 0 42px rgba(204,238,231,.06),0 0 0 84px rgba(204,238,231,.04)}
.breadcrumb{position:relative;z-index:1;color:rgba(255,255,255,.65);font-size:13px;margin-bottom:35px}
.breadcrumb a:hover{color:#fff}
.hero-row{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}
.inner-hero .eyebrow{color:var(--mint)}
.inner-hero h1{margin:15px 0 19px;max-width:680px}
.hero-copy{max-width:650px;color:rgba(255,255,255,.8);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.status-board{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.23);border-radius:22px;padding:20px;backdrop-filter:blur(10px)}
.status-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.18)}
.status-top strong{font-size:15px}
.status-live{font-size:12px;color:#d5fff2;background:rgba(204,238,231,.14);padding:4px 9px;border-radius:20px}
.status-live i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#8ee4bf;margin-right:6px}
.status-items{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:15px}
.status-item{padding:13px;border-radius:14px;background:rgba(255,255,255,.1)}
.status-item span{display:block;font-size:12px;color:rgba(255,255,255,.65)}
.status-item b{display:block;margin-top:3px;color:#fff;font-size:15px}
.icon-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.matrix-icon{height:40px;border-radius:11px;background:rgba(204,238,231,.13);border:1px solid rgba(204,238,231,.14);display:grid;place-items:center;color:#d9fff5;font-size:18px}
.metric-strip{background:#fff;border:1px solid var(--line);border-radius:20px;padding:19px 23px;box-shadow:var(--soft-shadow);display:grid;grid-template-columns:repeat(4,1fr);gap:16px;transform:translateY(-25px);position:relative;z-index:4}
.metric-item{padding-left:16px;border-left:3px solid var(--mint)}
.metric-item b{display:block;font-size:18px;color:var(--teal-dark)}
.metric-item span{font-size:13px;color:var(--muted)}
.security-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.feature-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--soft-shadow)}
.feature-panel p{color:var(--muted);margin-top:14px}
.protect-list{list-style:none;margin-top:24px;display:grid;gap:13px}
.protect-list li{padding:14px 15px 14px 46px;border-radius:14px;background:#f5faf9;position:relative;color:#40515a}
.protect-list li:before{content:"✓";position:absolute;left:16px;top:13px;width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;font-weight:900;background:var(--teal);color:#fff;font-size:12px}
.photo-panel{min-height:410px;border-radius:var(--radius);overflow:hidden;position:relative;background:#123b43}
.photo-panel img{height:100%;width:100%;object-fit:cover;opacity:.72}
.photo-panel div{position:absolute;left:25px;right:25px;bottom:23px;color:#fff}
.photo-panel p{color:rgba(255,255,255,.78);margin-top:8px;font-size:14px}
.matrix-section{background:var(--navy);color:#fff}
.matrix-section .section-head p{color:rgba(255,255,255,.66)}
.support-matrix{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:17px}
.support-card{padding:27px;border-radius:19px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);min-height:245px}
.support-card:first-child{background:var(--teal);grid-row:span 2;min-height:507px}
.support-card .card-number{font-weight:900;font-size:13px;color:var(--mint)}
.support-card h3{margin:36px 0 10px;font-size:22px}
.support-card p{font-size:14px;color:rgba(255,255,255,.7)}
.support-card:first-child p{font-size:15px}
.support-card ul{list-style:none;margin-top:20px;display:grid;gap:9px;color:rgba(255,255,255,.8);font-size:14px}
.support-card li:before{content:"—";color:var(--orange);padding-right:7px}
.compare-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:start}
.compare-layout>p{color:var(--muted);margin-top:15px}
.compare-cards{display:grid;gap:13px}
.compare-card{display:grid;grid-template-columns:145px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px 20px;transition:var(--ease)}
.compare-card:hover{box-shadow:var(--soft-shadow);border-color:#9bd2c7}
.compare-card strong{color:var(--teal-dark)}
.compare-card p{font-size:14px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;min-height:205px}
.step-no{display:grid;place-items:center;width:37px;height:37px;border-radius:12px;background:#e9f7f3;color:var(--teal-dark);font-size:13px;font-weight:900}
.step h3{margin:23px 0 9px}
.step p{font-size:14px;color:var(--muted)}
.notice-box{display:grid;grid-template-columns:.75fr 1.25fr;gap:32px;align-items:center;background:#fff5e9;border:1px solid #f3d2a9;border-radius:var(--radius);padding:38px}
.notice-box p{color:#72583b;margin-top:12px}
.notice-list{list-style:none;display:grid;gap:11px;color:#60482d;font-size:14px}
.notice-list li{padding-left:23px;position:relative}
.notice-list li:before{content:"!";position:absolute;left:0;top:2px;width:17px;height:17px;line-height:17px;text-align:center;background:var(--orange);color:#fff;border-radius:50%;font-size:11px;font-weight:900}
.faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px}
.faq-intro p{color:var(--muted);margin-top:15px}
.faq-list{display:grid;gap:11px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
.faq-item summary{list-style:none;padding:19px 53px 19px 20px;font-weight:800;cursor:pointer;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:14px;color:var(--teal);font-size:25px;font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 20px 19px;color:var(--muted);font-size:14px}
.contact-section{padding:0 0 92px}
.contact-box{background:linear-gradient(115deg,#07585f,#087f82);border-radius:var(--radius);padding:51px;display:grid;grid-template-columns:1fr .9fr;gap:40px;color:#fff;overflow:hidden;position:relative}
.contact-box:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-90px;bottom:-180px}
.contact-box h2{margin:12px 0 13px}
.contact-box p{color:rgba(255,255,255,.76);max-width:560px}
.contact-form{position:relative;z-index:1;background:#fff;padding:18px;border-radius:18px;display:grid;gap:10px}
.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:11px;padding:11px 12px;outline:none;color:var(--ink);background:#fbfcfc}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,127,130,.12)}
.contact-form textarea{resize:vertical;min-height:70px}
.contact-form .btn{width:100%}
.form-hint{color:var(--muted);font-size:12px;line-height:1.55}
footer{background:#102f3a;color:rgba(255,255,255,.72);padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:35px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-brand{color:#fff;font-size:24px;font-weight:900}
.footer-brand span{color:var(--mint)}
.footer-copy{font-size:14px;max-width:390px;margin-top:12px;color:rgba(255,255,255,.62)}
.footer-title{color:#fff;font-size:15px;margin-bottom:12px}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:7px 18px;font-size:14px}
.footer-links a:hover{color:var(--mint)}
.footer-record{display:grid;gap:8px;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--mint)}
@media(max-width:1024px){
 .nav-panel{gap:13px}.nav-links a{font-size:13px;padding:8px}.nav-cta{display:none}
 .hero-row,.security-grid,.faq-wrap{grid-template-columns:1fr;gap:30px}
 .support-matrix{grid-template-columns:1fr 1fr}.support-card:first-child{grid-row:auto;grid-column:span 2;min-height:auto}
 .steps{grid-template-columns:repeat(2,1fr)}.contact-box{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,1180px)}.site-header{padding:14px 0}.nav-panel{padding:10px 13px}
 .menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.brand{font-size:22px}
 .inner-hero{padding:30px 0 56px}.metric-strip{grid-template-columns:repeat(2,1fr);transform:translateY(-15px);padding:16px}
 .section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}
 .compare-layout,.notice-box{grid-template-columns:1fr}.support-matrix{grid-template-columns:1fr}.support-card:first-child{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
 body{font-size:15px}.inner-hero h1{font-size:2.4rem}.hero-copy{font-size:15px}
 .status-items,.icon-matrix{grid-template-columns:repeat(2,1fr)}.metric-strip{gap:10px}.metric-item{padding-left:10px}.metric-item b{font-size:15px}
 .feature-panel{padding:24px}.photo-panel{min-height:300px}.steps{grid-template-columns:1fr}
 .compare-card{grid-template-columns:1fr;gap:5px}.notice-box,.contact-box{padding:26px 22px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}

/* roulang page: category7 */
:root{
      --ink:#17202a;--muted:#68747f;--paper:#f5f7f8;--white:#fff;--line:#dfe6e9;
      --teal:#087f82;--teal-dark:#07585f;--mint:#cceee7;--orange:#f39a52;
      --navy:#102f3a;--shadow:0 18px 50px rgba(21,48,57,.11);--soft-shadow:0 8px 24px rgba(21,48,57,.08);
      --radius:22px;--radius-sm:14px;--ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(243,154,82,.7);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:100px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:1.5px}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head p{max-width:580px;color:var(--muted)}
    h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
    h1{font-size:clamp(40px,6vw,76px)}
    h2{font-size:clamp(30px,4vw,48px)}
    h3{font-size:21px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:100px;font-weight:800;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--orange);color:#2e2116;box-shadow:0 9px 20px rgba(243,154,82,.25)}
    .btn-primary:hover{background:#ffb16b;transform:translateY(-2px);box-shadow:0 13px 26px rgba(243,154,82,.32)}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:rgba(255,255,255,.55)}
    .btn-light:hover{background:var(--mint);transform:translateY(-2px)}
    .btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
    .btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
    .tag{display:inline-block;background:#e9f7f3;color:var(--teal-dark);padding:5px 11px;border-radius:50px;font-size:12px;font-weight:800}
    .site-header{position:relative;z-index:10;padding:20px 0;background:var(--paper)}
    .nav-panel{display:flex;align-items:center;gap:22px;padding:13px 15px 13px 22px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--soft-shadow)}
    .brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;font-size:25px;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--teal);position:relative}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--orange);right:7px;top:7px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1;overflow:auto}
    .nav-links a{padding:9px 11px;border-radius:11px;white-space:nowrap;color:#53626b;font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{color:var(--teal-dark);background:#e8f5f1}
    .nav-cta{white-space:nowrap;padding:11px 18px}
    .menu-toggle{display:none;background:transparent;color:var(--navy);font-size:25px}
    .hero{padding:78px 0 68px;min-height:550px;color:#fff;background:linear-gradient(90deg,rgba(10,39,47,.93),rgba(10,39,47,.68)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-150px;bottom:-190px;width:500px;height:500px;border:1px solid rgba(204,238,231,.25);border-radius:50%;box-shadow:0 0 0 46px rgba(204,238,231,.05),0 0 0 92px rgba(204,238,231,.04)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:var(--mint)}
    .hero h1{margin:20px 0 25px}
    .hero h1 em{font-style:normal;color:#f9b97e}
    .hero-intro{max-width:670px;color:rgba(255,255,255,.8);font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
    .hero-panel{padding:27px;border-radius:24px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(12px)}
    .hero-panel img{height:220px;width:100%;object-fit:cover;border-radius:16px;margin:18px 0}
    .hero-panel p{font-size:14px;color:rgba(255,255,255,.72)}
    .metric-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)}
    .metric{background:#fff;padding:25px 22px}
    .metric strong{display:block;color:var(--teal-dark);font-size:30px;line-height:1.1}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .intro-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
    .intro-layout img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .intro-copy p{color:var(--muted);margin:20px 0}
    .check-list{list-style:none;display:grid;gap:12px;margin-top:24px}
    .check-list li{display:flex;gap:12px;align-items:flex-start}
    .check-list b{width:25px;height:25px;flex:0 0 25px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-size:14px}
    .matrix{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .matrix-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:240px;transition:var(--ease)}
    .matrix-card:hover{transform:translateY(-5px);border-color:#a7d8ce;box-shadow:var(--shadow)}
    .matrix-card.featured{background:var(--teal);color:#fff;min-height:500px}
    .matrix-card img{width:100%;height:145px;object-fit:cover;border-radius:15px;margin:20px 0}
    .matrix-card.featured img{height:205px}
    .matrix-card p{color:var(--muted);font-size:14px}
    .matrix-card.featured p{color:rgba(255,255,255,.76)}
    .split-section{background:#fff}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:stretch}
    .story-card{padding:35px;border-radius:var(--radius);background:#eef8f5}
    .story-card h3{margin:17px 0 12px}
    .story-card p{color:var(--muted)}
    .quote{padding:35px;background:var(--navy);border-radius:var(--radius);color:#fff;display:flex;flex-direction:column;justify-content:center}
    .quote p{font-size:22px;line-height:1.65}
    .quote small{color:var(--mint);margin-top:20px}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario{padding:27px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .scenario .number{color:var(--orange);font-size:38px;font-weight:900;line-height:1}
    .scenario h3{margin:20px 0 10px}
    .scenario p{font-size:14px;color:var(--muted)}
    .process{background:var(--navy);color:#fff}
    .process .section-head p{color:rgba(255,255,255,.65)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
    .process-item{border-top:2px solid rgba(204,238,231,.5);padding-top:20px}
    .process-item b{font-size:14px;color:var(--orange)}
    .process-item h3{margin:15px 0 9px}
    .process-item p{font-size:14px;color:rgba(255,255,255,.65)}
    .trust{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .trust img{width:100%;height:330px;object-fit:cover;border-radius:var(--radius)}
    .trust-copy p{color:var(--muted);margin:18px 0}
    .trust-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .trust-points div{padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;font-weight:800;color:var(--teal-dark)}
    .faq{background:#edf5f3}
    .faq-list{max-width:900px;margin:auto;display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 24px}
    summary{cursor:pointer;font-weight:800;color:var(--navy);list-style:none;position:relative;padding-right:25px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;color:var(--teal);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin-top:12px;padding-right:25px}
    .cta{padding:85px 0;background:var(--teal);color:#fff}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta p{color:rgba(255,255,255,.75);max-width:600px;margin-top:12px}
    .site-footer{padding:42px 0 30px;background:#0c252d;color:rgba(255,255,255,.7)}
    .footer-top{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.14)}
    .footer-brand{color:#fff;font-size:22px;font-weight:900}
    .footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:13px}
    .footer-links a:hover{color:var(--mint)}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:rgba(255,255,255,.5)}
    @media(max-width:1024px){.hero-grid,.intro-layout,.trust{gap:35px}.nav-panel{gap:10px}.nav-links a{padding:8px 7px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.featured{grid-row:span 2}.process-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 28px,600px)}.section{padding:70px 0}.site-header{padding:12px 0}.nav-panel{padding:11px 14px 11px 17px;flex-wrap:wrap}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;padding-top:8px}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-cta{display:none}.hero{padding:62px 0;min-height:auto}.hero-grid,.intro-layout,.split,.trust{grid-template-columns:1fr}.hero-panel{margin-top:20px}.metric-strip{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:15px}.matrix{grid-template-columns:1fr}.matrix-card.featured{grid-row:auto;min-height:0}.scenario-grid{grid-template-columns:1fr}.trust img{height:260px}.cta-box,.footer-top{display:block}.cta .btn{margin-top:24px}.footer-links{margin-top:20px}}
    @media(max-width:520px){h1{font-size:42px}.hero-intro{font-size:16px}.metric{padding:20px 15px}.metric strong{font-size:25px}.process-grid{grid-template-columns:1fr}.trust-points{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}