/* roulang page: index */
:root{
      --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
      --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
      --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
      --ease:all .3s 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:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .section{padding:96px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3{line-height:1.18;letter-spacing:-.03em}
    h1{font-size:clamp(42px,6vw,76px);max-width:780px}
    h2{font-size:clamp(30px,4vw,48px);margin:14px 0 18px}
    h3{font-size:21px;margin-bottom:10px}
    p{color:var(--muted)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head p{max-width:530px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
    .btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
    .btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
    header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav{display:flex;align-items:center;justify-content:space-between}
    .logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
    .logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
    .nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
    .nav-action{margin-left:20px}
    .menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
    .hero{min-height:560px;padding:70px 0 55px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.94),rgba(13,48,43,.72)),url("/assets/images/backpic/back-1.webp") center/cover;color:#fff}
    .hero p{color:rgba(255,255,255,.78);max-width:640px;font-size:17px;margin:25px 0 30px}
    .hero .eyebrow{color:#b6e4d0}
    .hero .btn-light{background:#eaf7f0;border-color:#eaf7f0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-bottom{display:flex;gap:36px;align-items:center;margin-top:54px}
    .hero-stat strong{display:block;font-size:25px;color:#fff}.hero-stat span{font-size:12px;color:#b6c9c0}
    .release{position:absolute;right:max(40px,calc((100vw - 1160px)/2));bottom:48px;width:310px;padding:24px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);background:rgba(255,255,255,.12);backdrop-filter:blur(12px)}
    .release h3{font-size:18px}.release p{font-size:13px;margin:8px 0 14px}
    .countdown{display:flex;gap:8px}.time{background:rgba(0,0,0,.22);border-radius:12px;padding:8px 11px;text-align:center;min-width:55px}.time b{display:block;font-size:20px;color:#fff}.time small{font-size:10px;color:#b8d7c8}
    .dots{display:flex;gap:7px;margin-top:18px}.dots i{width:7px;height:7px;background:#a7d4c1;border-radius:50%}.dots i:first-child{width:23px;border-radius:10px;background:var(--orange)}
    .story{display:grid;grid-template-columns:1fr 1.05fr;gap:70px;align-items:center}
    .story img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story p{font-size:16px;margin-bottom:18px}.checklist{list-style:none;margin-top:22px}.checklist li{padding:10px 0 10px 27px;border-bottom:1px solid var(--line);position:relative}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
    .case-grid,.feature-grid,.category-grid,.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
    .card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
    .card-body{padding:25px}.card-body p{font-size:14px}.tag{display:inline-block;padding:4px 10px;background:var(--mint);border-radius:30px;color:var(--green-deep);font-size:12px;font-weight:700;margin-bottom:14px}
    .case-card img{height:210px}.case-card .metric{font-size:27px;color:var(--green);font-weight:900;margin-top:17px}.case-card .metric small{font-size:12px;color:var(--muted);font-weight:400}
    .feature-card{padding:28px;min-height:210px}.icon{width:43px;height:43px;background:var(--mint);color:var(--green);display:grid;place-items:center;border-radius:14px;font-size:21px;margin-bottom:24px}
    .numbers{background:var(--green-deep);color:#fff}.numbers .section-head p{color:#b9d0c5}.number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.number{padding:20px 0;border-right:1px solid rgba(255,255,255,.18)}.number:last-child{border:0}.number strong{font-size:42px;display:block}.number span{color:#bbd1c7;font-size:13px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-box{padding:34px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}.compare-box.highlight{background:#e8f4ed;border-color:#c7e1d3}.compare-box ul{list-style:none;margin-top:18px}.compare-box li{padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted)}
    .compare-box li:before{content:"—";color:var(--orange);margin-right:10px}
    .categories{background:#eef5f0}.category-card{position:relative;min-height:250px;color:#fff;border:0;background:#183f39}.category-card img{height:250px;opacity:.62}.category-card .card-body{position:absolute;inset:auto 0 0;background:linear-gradient(transparent,rgba(4,26,23,.88));padding:45px 22px 20px}.category-card p{color:#e0ebe5}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{border-top:3px solid var(--orange);padding-top:20px}.step b{font-size:36px;color:#c9dbd1;display:block;margin-bottom:16px}
    .wide-note{background:url("/assets/images/backpic/back-2.webp") center/cover;border-radius:var(--radius);padding:48px;color:#fff;position:relative;overflow:hidden}.wide-note:before{content:"";position:absolute;inset:0;background:rgba(14,81,73,.78)}.wide-note>*{position:relative}.wide-note p{color:#d9ebe2;max-width:700px}
    .quote{padding:27px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}.quote blockquote{font-size:17px;line-height:1.8;margin-bottom:20px}.quote cite{font-style:normal;color:var(--green);font-weight:700;font-size:13px}
    .collections{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.collection-main{min-height:310px;padding:34px;border-radius:var(--radius);background:linear-gradient(120deg,#d8ece1,#f7e6d9)}.collection-main p{max-width:540px;margin:15px 0 24px}.collection-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.collection-list a{display:flex;justify-content:space-between;padding:15px 8px;border-bottom:1px solid var(--line);color:var(--green-deep)}.collection-list a:hover{padding-left:14px;color:var(--orange)}
    .assure{display:flex;justify-content:space-between;gap:15px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px 30px}.assure-item{display:flex;gap:12px;align-items:center}.assure-item b{color:var(--green);font-size:20px}.assure-item span{font-size:13px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1fr 330px;gap:24px}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 25px}.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.date{font-size:12px;color:var(--orange);font-weight:700}.news-item p{font-size:13px;line-height:1.6}.read{color:var(--green);font-size:12px;font-weight:700;white-space:nowrap}.news-side{padding:28px;border-radius:var(--radius);background:var(--green-deep);color:#fff}.news-side p{color:#c4d8ce;margin:15px 0 23px}.news-side img{height:150px;border-radius:15px;margin-bottom:20px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}.faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}.faq button span{color:var(--orange);font-size:20px}.faq p{display:none;padding-top:14px;font-size:14px}.faq.open p{display:block}
    .contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:start}.contact-copy p{margin:15px 0 25px}.contact-form{background:#fff;padding:30px;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-form label{font-size:13px;color:var(--muted)}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfa}.contact-form textarea{height:105px;resize:vertical}.full{grid-column:1/-1}.submit{width:100%}
    .final-cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:42px 50px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}.final-cta p{color:#fff1e9;margin-top:8px}.final-cta .btn{background:#fff;color:#a34e22}
    footer{background:#132f2b;color:#c8d9d1;padding:52px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.15)}footer .logo{color:#fff}footer p{color:#9bb5aa;margin-top:12px;max-width:390px}.footer-links{display:flex;gap:28px;align-items:start}.footer-links a{font-size:13px;color:#c8d9d1}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#8ca79c}.footer-bottom a{color:#b5d6c7}
    @media(max-width:900px){.release{position:relative;right:auto;bottom:auto;margin-top:40px;width:100%;max-width:400px}.hero{padding-bottom:65px}.story,.contact,.collections{grid-template-columns:1fr;gap:35px}.story img{height:300px}.case-grid,.feature-grid,.category-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}.number-grid{grid-template-columns:repeat(2,1fr)}.number{border-right:0}.news-layout{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:650px){.container{width:min(100% - 28px,1160px)}.section{padding:66px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:12px}.nav-links{display:none;position:absolute;top:78px;left:14px;right:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 15px}.nav-action{margin:8px 0 0}.menu{display:block}.hero{padding-top:54px}.hero p{font-size:15px}.hero-bottom{gap:20px;margin-top:35px}.hero-stat strong{font-size:21px}.case-grid,.feature-grid,.category-grid,.quote-grid,.faq-grid,.process{grid-template-columns:1fr}.compare{grid-template-columns:1fr}.assure{display:grid;grid-template-columns:1fr 1fr;padding:20px}.news-item{grid-template-columns:1fr;gap:5px}.read{display:inline-block}.contact-form{grid-template-columns:1fr;padding:21px}.full{grid-column:auto}.final-cta{display:block;padding:32px 25px}.final-cta .btn{margin-top:22px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:25px;flex-wrap:wrap;gap:15px}.footer-bottom span{display:block;margin-bottom:10px}}

/* roulang page: category2 */
:root{
      --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
      --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
      --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
      --ease:all .3s 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:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head p{max-width:560px;color:var(--muted)}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-3px}
    h2{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-1.5px}
    h3{font-size:21px;line-height:1.4}
    p{color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
    .btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
    .btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
    header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav{display:flex;align-items:center;justify-content:space-between}
    .logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
    .logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
    .nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
    .nav-action{margin-left:20px}
    .menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
    .hero{padding:82px 0 74px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.95),rgba(13,48,43,.72)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .hero p{color:rgba(255,255,255,.8);max-width:650px;font-size:17px;margin:25px 0 30px}
    .hero .eyebrow{color:#b6e4d0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero .btn-light{background:#eaf7f0;border-color:#eaf7f0}
    .hero-panel{background:rgba(255,255,255,.94);color:var(--ink);border-radius:26px;padding:25px;box-shadow:0 25px 70px rgba(0,0,0,.22);transform:rotate(1deg)}
    .live-cover{height:185px;border-radius:17px;overflow:hidden;position:relative;background:#183f39}
    .live-cover img{height:100%;opacity:.8}
    .live-label{position:absolute;left:16px;top:15px;background:var(--orange);color:#fff;padding:4px 10px;border-radius:30px;font-size:12px;font-weight:800}
    .live-copy{position:absolute;left:18px;bottom:16px;color:#fff}
    .live-copy strong{display:block;font-size:22px}
    .panel-row{display:flex;justify-content:space-between;align-items:center;margin-top:20px}
    .countdown{display:flex;gap:8px}
    .countdown b{background:var(--mint);color:var(--green-deep);padding:7px 9px;border-radius:9px;font-size:18px}
    .countdown small{font-size:11px;color:var(--muted);margin-left:2px}
    .section-light{background:var(--white)}
    .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;align-items:start}
    .intro-grid h2{margin-top:13px}
    .intro-copy p{font-size:17px;margin-bottom:18px}
    .quote-box{border-left:3px solid var(--orange);padding:20px 25px;background:#fff8f2;border-radius:0 16px 16px 0;color:var(--green-deep);font-size:20px;font-weight:700}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .feature-card{padding:29px;min-height:218px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
    .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
    .feature-no{font-size:13px;color:var(--orange);font-weight:900;letter-spacing:1px;margin-bottom:28px}
    .feature-card p{margin-top:11px;font-size:14px}
    .story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .story img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-content p{margin:20px 0}
    .checklist{list-style:none;margin-top:22px}
    .checklist li{padding:11px 0 11px 27px;border-bottom:1px solid var(--line);position:relative}
    .checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
    .process{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .process-main{background:#183f39;color:#fff;border-radius:var(--radius);padding:38px}
    .process-main p{color:#c9ded5;margin:14px 0 24px}
    .process-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .process-item{padding:18px;border:1px solid rgba(255,255,255,.18);border-radius:15px}
    .process-item b{color:#f3b180;display:block;margin-bottom:7px}
    .process-side{background:#f3e2d3;border-radius:var(--radius);padding:35px}
    .process-side strong{font-size:45px;display:block;color:var(--green-deep);line-height:1}
    .process-side p{margin:14px 0 25px}
    .case-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .case-image{min-height:410px;position:relative;border-radius:var(--radius);overflow:hidden;background:#143f37}
    .case-image img{height:100%;opacity:.78}
    .case-overlay{position:absolute;inset:auto 0 0;padding:32px;color:#fff;background:linear-gradient(transparent,rgba(4,26,23,.9))}
    .case-overlay p{color:#dcebe3;margin-top:8px}
    .result-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .result-card h3{margin-bottom:20px}
    .result-line{padding:17px 0;border-bottom:1px solid var(--line)}
    .result-line:last-child{border:0}
    .result-line strong{display:block;color:var(--green);font-size:29px}
    .result-line span{font-size:13px;color:var(--muted)}
    .audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .audience-item{display:flex;gap:17px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:17px}
    .audience-icon{width:42px;height:42px;flex:none;border-radius:13px;background:var(--mint);color:var(--green-deep);display:grid;place-items:center;font-weight:900}
    .audience-item p{font-size:14px;margin-top:5px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
    .faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
    .faq button span{color:var(--orange);font-size:20px}
    .faq p{display:none;padding-top:14px;font-size:14px}
    .faq.open p{display:block}
    .contact-section{padding-top:20px}
    .contact-box{background:#d9eee5;border-radius:var(--radius);padding:45px;display:grid;grid-template-columns:.9fr 1.1fr;gap:50px}
    .contact-box>div>p{margin:16px 0 23px}
    .contact-form{background:#fff;padding:27px;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .contact-form label{font-size:13px;color:var(--muted)}
    .contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfa}
    .contact-form textarea{height:105px;resize:vertical}
    .full{grid-column:1/-1}
    footer{background:#103d37;color:#d7e8df;padding:48px 0 23px}
    .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.15)}
    footer .logo{color:#fff}
    footer p{color:#a9c3b8;margin-top:12px}
    .footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:12px 25px;align-content:start}
    .footer-links a{font-size:13px;color:#c6dbd2}
    .footer-links a:hover{color:#f3b180}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#91aea3}
    footer a:hover{color:#fff}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 8px}.hero-grid{gap:35px}.section{padding:75px 0}}
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}
      .menu{display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:70px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-action{margin:6px 0 0}
      .hero{padding:62px 0}.hero-grid,.intro-grid,.story,.process,.case-layout,.contact-box{grid-template-columns:1fr}.hero-panel{transform:none}.section-head{display:block}.section-head p{margin-top:14px}.feature-grid{grid-template-columns:1fr 1fr}.story img{height:300px}.process-list{grid-template-columns:1fr 1fr}.faq-grid{grid-template-columns:1fr}.contact-box{padding:28px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:28px}}
    @media(max-width:520px){h1{letter-spacing:-2px}.section{padding:60px 0}.feature-grid,.audience-grid,.process-list,.contact-form{grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-bottom{display:block}.countdown{margin-top:14px}.live-cover{height:160px}.story img{height:240px}.case-image{min-height:300px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom span{display:block;margin-top:12px}}

/* roulang page: category3 */
:root{
      --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
      --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
      --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
      --ease:all .3s 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:15px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .section{padding:88px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head p{max-width:560px;color:var(--muted)}
    h1,h2,h3{line-height:1.22;letter-spacing:-.5px}
    h1{font-size:clamp(38px,5vw,68px);max-width:720px}
    h2{font-size:clamp(28px,3.2vw,43px)}
    h3{font-size:20px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
    .btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
    .btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
    .btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
    header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav{display:flex;align-items:center;justify-content:space-between}
    .logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
    .logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
    .nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
    .nav-action{margin-left:20px}
    .menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
    .hero{padding:58px 0 52px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.95),rgba(13,48,43,.68)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
    .hero p{color:rgba(255,255,255,.8);max-width:650px;font-size:17px;margin:23px 0 28px}
    .hero .eyebrow{color:#b6e4d0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero .btn-light{background:#eaf7f0;border-color:#eaf7f0}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.23);border-radius:var(--radius);padding:25px;backdrop-filter:blur(8px)}
    .live-mark{display:flex;align-items:center;gap:9px;color:#d9eee5;font-weight:700;margin-bottom:20px}
    .live-mark i{width:9px;height:9px;background:var(--orange);border-radius:50%;box-shadow:0 0 0 6px rgba(232,137,80,.18)}
    .signal{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
    .signal div{padding:14px 10px;background:rgba(0,0,0,.16);border-radius:14px}
    .signal strong{display:block;font-size:22px}.signal span{font-size:12px;color:#c6d8d1}
    .intro{background:#fff}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .intro-copy p{font-size:17px;color:var(--muted);margin-top:20px}
    .quote{border-left:4px solid var(--orange);padding:6px 0 6px 23px;font-size:23px;font-weight:800;color:var(--green-deep)}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:205px;transition:var(--ease)}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c4ddd2}
    .feature-no{font-size:13px;color:var(--orange);font-weight:900;letter-spacing:1px}
    .feature-card h3{margin:16px 0 9px}.feature-card p{color:var(--muted);font-size:14px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .split img{height:400px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .checklist{list-style:none;margin-top:20px}
    .checklist li{padding:12px 0 12px 28px;border-bottom:1px solid var(--line);position:relative}
    .checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
    .soft{background:#edf5ef}
    .scene-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .scene{display:flex;gap:18px;padding:20px;background:#fff;border-radius:17px;border:1px solid var(--line)}
    .scene b{color:var(--green);font-size:25px;line-height:1}
    .scene p{color:var(--muted);font-size:14px;margin-top:5px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #bddacc}
    .step{position:relative;padding:28px 20px 0 0}
    .step:before{content:"";position:absolute;top:-9px;left:0;width:15px;height:15px;background:var(--orange);border:4px solid var(--paper);border-radius:50%}
    .step strong{display:block;color:var(--green-deep);font-size:14px;margin-bottom:10px}
    .step p{color:var(--muted);font-size:14px;padding-right:15px}
    .case-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .case-large,.case-small{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .case-large img{height:280px}.case-small img{height:165px}
    .case-body{padding:24px}.case-body p{color:var(--muted);font-size:14px;margin-top:8px}
    .metric{font-size:28px;color:var(--green);font-weight:900;margin-top:16px}.metric small{font-size:12px;color:var(--muted);font-weight:400}
    .value-band{background:var(--green-deep);color:#fff}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
    .value-grid article{padding-right:25px;border-right:1px solid rgba(255,255,255,.18)}
    .value-grid article:last-child{border:0}.value-grid b{font-size:34px;color:#b6e4d0;display:block}.value-grid p{color:#c8d9d2;margin-top:8px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px 22px}
    .faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
    .faq button span{color:var(--orange);font-size:20px}
    .faq p{display:none;padding-top:14px;font-size:14px;color:var(--muted)}
    .faq.open p{display:block}
    .contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .contact-copy p{color:var(--muted);margin:17px 0}.contact-form{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .contact-form label{font-size:13px;color:var(--muted)}.contact-form .wide{grid-column:1/-1}
    .contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfa}
    .contact-form textarea{height:105px;resize:vertical}.form-note{font-size:12px;color:var(--muted);grid-column:1/-1}
    .final-cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:40px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}
    .final-cta p{color:#fff1e8;margin-top:8px}.final-cta .btn{background:#fff;color:var(--green-deep)}
    footer{background:#123b35;color:#d7e6df;padding:48px 0 20px}.footer-top{display:flex;justify-content:space-between;gap:40px}.footer-top .logo{color:#fff}.footer-top p{max-width:330px;color:#a8c2b8;font-size:13px;margin-top:14px}.footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:12px 27px;font-size:13px;color:#b9cec6}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9db7ad;font-size:12px}.footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){.nav-links a{padding:8px 8px}.nav-action{margin-left:6px}.hero-grid,.intro-grid,.contact{gap:30px}.container{width:min(100% - 32px,900px)}}
    @media(max-width:768px){.nav-links{display:none;position:absolute;top:78px;left:16px;right:16px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:11px 14px}.nav-action{margin:5px 0 0;text-align:center}.menu{display:block}.hero-grid,.intro-grid,.split,.case-wrap,.contact{grid-template-columns:1fr}.hero{padding:55px 0 48px}.hero-panel{max-width:560px}.feature-grid,.scene-list,.faq-grid{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr;gap:15px}.timeline .step{padding-bottom:12px}.value-grid{grid-template-columns:1fr;gap:20px}.value-grid article{border-right:0;border-bottom:1px solid rgba(255,255,255,.18);padding:0 0 18px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:13px}.final-cta{display:block;padding:30px 25px}.final-cta .btn{margin-top:20px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:30px;grid-template-columns:repeat(2,1fr)}.footer-bottom span{display:block;margin-top:10px}}
    @media(max-width:520px){h1{font-size:39px}.container{width:calc(100% - 28px)}.signal{grid-template-columns:1fr 1fr}.signal div:last-child{grid-column:1/-1}.split img{height:280px}.contact-form{grid-template-columns:1fr}.contact-form .wide{grid-column:auto}.timeline{display:block;border-top:0;border-left:2px solid #bddacc;padding-left:22px}.timeline .step{padding:0 0 25px}.timeline .step:before{left:-30px;top:3px}.footer-links{font-size:12px}}

/* roulang page: category1 */
:root{
 --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
 --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
 --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
 --ease:all .3s 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:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-1px;margin-top:10px}
.section-head p{max-width:530px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
.btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
.btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
.logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
.nav-action{margin-left:20px}
.menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
.hero{min-height:535px;padding:66px 0 50px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.95),rgba(13,48,43,.70)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.hero:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-60px;top:70px;box-shadow:0 0 0 30px rgba(255,255,255,.04),0 0 0 60px rgba(255,255,255,.03)}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(40px,6vw,70px);line-height:1.12;letter-spacing:-3px;margin:16px 0 20px}
.hero p{color:rgba(255,255,255,.80);max-width:620px;font-size:17px;margin-bottom:28px}
.hero .eyebrow{color:#b6e4d0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.promo-panel{background:#f9f6ed;color:var(--ink);border-radius:25px;padding:14px;transform:rotate(2deg);box-shadow:0 22px 50px rgba(0,0,0,.25);position:relative}
.promo-panel img{height:225px;border-radius:17px}
.promo-copy{padding:18px 12px 10px}
.promo-copy strong{font-size:23px;display:block;line-height:1.3}
.promo-copy span{color:var(--muted);font-size:13px}
.sticker{position:absolute;right:-23px;top:-22px;width:91px;height:91px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.2;background:var(--orange);color:#fff;font-size:13px;font-weight:900;transform:rotate(12deg);box-shadow:0 8px 20px rgba(70,35,15,.2)}
.hero-bottom{display:flex;gap:38px;margin-top:40px}
.hero-stat strong{display:block;font-size:25px;color:#fff}
.hero-stat span{font-size:12px;color:#b6c9c0}
.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.intro-grid h2{font-size:38px;line-height:1.3;margin-top:12px}
.intro-copy{font-size:17px;color:#475565}
.intro-copy p+p{margin-top:18px}
.quote-box{margin-top:26px;border-left:3px solid var(--orange);padding:4px 0 4px 20px;color:var(--green-deep);font-weight:700}
.criteria{background:#eaf3ed}
.criteria-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.criteria-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;min-height:190px;transition:var(--ease)}
.criteria-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.criteria-card b{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:var(--mint);color:var(--green);font-size:20px;margin-bottom:18px}
.criteria-card h3{font-size:18px;margin-bottom:8px}
.criteria-card p{font-size:13px;color:var(--muted)}
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.split img{height:410px;border-radius:var(--radius);box-shadow:var(--shadow)}
.split h2{font-size:38px;line-height:1.3;margin:12px 0 18px}
.checklist{list-style:none;margin-top:22px}
.checklist li{padding:12px 0 12px 28px;border-bottom:1px solid var(--line);position:relative}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
.process{background:var(--green-deep);color:#fff}
.process .section-head p{color:#b9d0c5}
.process .eyebrow{color:#b6e4d0}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.process-item{padding:25px 24px 25px 0;border-top:1px solid rgba(255,255,255,.25);margin-right:25px}
.process-item:last-child{margin-right:0}
.step{font-size:13px;color:#f4ab79;font-weight:800;letter-spacing:1px}
.process-item h3{font-size:20px;margin:15px 0 9px}
.process-item p{color:#c9d8d1;font-size:14px}
.scene-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:20px}
.scene-intro{padding:34px;border-radius:var(--radius);background:linear-gradient(135deg,#d9eee5,#f3e2d4)}
.scene-intro h2{font-size:34px;line-height:1.3;margin:12px 0}
.scene-intro p{color:#50615e}
.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;transition:var(--ease)}
.scene-card:hover{box-shadow:var(--shadow);border-color:#bdd7cb}
.scene-card h3{font-size:18px;margin-bottom:6px}
.scene-card p{font-size:13px;color:var(--muted)}
.story-band{background:#fff}
.case-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.case-main{position:relative;min-height:360px;border-radius:var(--radius);overflow:hidden;color:#fff}
.case-main img{height:100%;position:absolute;inset:0}
.case-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,34,29,.88),transparent 70%)}
.case-main-content{position:absolute;z-index:1;left:32px;right:32px;bottom:28px}
.case-main h3{font-size:28px;margin:9px 0}
.case-main p{max-width:650px;color:#e1ece6}
.case-side{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.case-side strong{display:block;color:var(--green);font-size:45px;line-height:1.1}
.case-side hr{border:0;border-top:1px solid var(--line);margin:23px 0}
.case-side p{font-size:14px;color:var(--muted)}
.notice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.notice-box{padding:30px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.notice-box.orange{background:#fff1e8;border-color:#f2d3bd}
.notice-box h3{font-size:21px;margin-bottom:10px}
.notice-box p{color:var(--muted);font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
.faq button span{color:var(--orange);font-size:20px}
.faq p{display:none;padding-top:14px;font-size:14px;color:var(--muted)}
.faq.open p{display:block}
.final-cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:42px 50px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}
.final-cta h2{font-size:34px;line-height:1.3}
.final-cta p{color:#fff3e9;margin-top:7px}
.final-cta .btn{background:#fff;color:var(--green-deep)}
footer{background:#123d37;color:#d7e5de;padding:48px 0 20px}
.footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.15)}
footer .logo{color:#fff}
footer .logo span{background:var(--orange)}
.footer-top p{font-size:13px;color:#a9c2b8;margin-top:10px;max-width:330px}
.footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:10px 28px;align-content:start}
.footer-links a{font-size:13px;color:#c4d6cf}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;color:#9fbab0;font-size:12px}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){
 .nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}.nav-action{margin-left:8px}
 .hero-inner{gap:35px}.criteria-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,600px)}.section{padding:65px 0}
 header{height:68px}.menu{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 20px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-action{margin:8px 0 0;text-align:center}
 .hero{padding:52px 0 45px}.hero-inner,.intro-grid,.split,.scene-grid,.case-layout{grid-template-columns:1fr}
 .hero h1{font-size:47px}.hero-bottom{margin-top:30px;gap:23px}.promo-panel{max-width:410px;margin:0 auto;transform:rotate(0)}
 .intro-grid h2,.split h2{font-size:32px}.section-head{display:block}.section-head p{margin-top:14px}
 .process-grid{grid-template-columns:1fr 1fr;gap:10px}.process-item{margin:0 10px 12px 0}
 .scene-list,.notice,.faq-grid{grid-template-columns:1fr}
 .case-main{min-height:310px}.final-cta{display:block;padding:32px 27px}.final-cta .btn{margin-top:22px}
 .footer-top,.footer-bottom{display:block}.footer-links{margin-top:25px}
 .footer-bottom span{display:block;margin-top:10px}
}
@media(max-width:520px){
 .hero h1{font-size:39px;letter-spacing:-2px}.hero p{font-size:15px}
 .hero-bottom{flex-wrap:wrap}.hero-stat{min-width:90px}.criteria-grid{grid-template-columns:1fr}
 .process-grid{grid-template-columns:1fr}.process-item{padding-right:0}
 .split img{height:280px}.case-main-content{left:22px;right:22px}.case-main h3{font-size:23px}
 .footer-links{grid-template-columns:1fr 1fr}
}

/* roulang page: category4 */
:root{
 --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
 --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
 --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
 --ease:all .3s 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:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
h1,h2,h3{line-height:1.22;letter-spacing:-.035em}
h1{font-size:clamp(40px,6vw,76px);max-width:820px}
h2{font-size:clamp(29px,4vw,47px)}
h3{font-size:21px}
p{color:var(--muted)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head p{max-width:540px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
.btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
.btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
.logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
.nav-action{margin-left:20px}
.menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
.hero{min-height:650px;padding:85px 0 48px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.95),rgba(13,48,43,.62)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.hero .eyebrow{color:#b6e4d0}
.hero h1{margin-top:18px}
.hero p{color:rgba(255,255,255,.82);max-width:670px;font-size:17px;margin:25px 0 30px}
.hero .btn-light{background:#eaf7f0;border-color:#eaf7f0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-bottom{display:flex;gap:38px;align-items:center;margin-top:60px}
.hero-stat strong{display:block;font-size:26px;color:#fff}
.hero-stat span{font-size:12px;color:#b9d0c5}
.countdown{position:absolute;right:5%;top:42px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:18px;padding:14px 18px;backdrop-filter:blur(8px)}
.countdown small{display:block;color:#d9eee5;font-size:12px}
.countdown b{font-size:20px;color:#fff;letter-spacing:2px}
.intro{background:#fff}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
.intro-photo{position:relative}
.intro-photo img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
.photo-note{position:absolute;right:-18px;bottom:22px;background:var(--orange);color:#fff;padding:18px 20px;border-radius:16px;font-weight:700;max-width:190px}
.lead{font-size:20px;color:var(--ink);line-height:1.6;margin:20px 0}
.checklist{list-style:none;margin-top:22px}
.checklist li{padding:11px 0 11px 27px;border-bottom:1px solid var(--line);position:relative}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
.service-band{background:var(--mint)}
.service-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px}
.service-index{position:sticky;top:110px;height:max-content}
.service-index p{margin-top:18px}
.service-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.service-card{padding:27px;background:#fff;border:1px solid #cfe3d8;border-radius:18px;transition:var(--ease)}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.service-card b{color:var(--orange);font-size:13px}
.service-card h3{margin:12px 0 8px}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.scene-card{min-height:245px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff}
.scene-card img{height:100%;min-height:245px;opacity:.76}
.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,36,31,.85),transparent 65%)}
.scene-card .scene-copy{position:absolute;z-index:1;left:25px;right:25px;bottom:21px}
.scene-card p{color:#e0ebe5;font-size:13px;margin-top:7px}
.scene-card.tall{grid-row:span 2;min-height:510px}
.scene-card.tall img{min-height:510px}
.process{background:#173f39;color:#fff}
.process .section-head p{color:#b9d0c5}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.process-step{padding:20px 25px 25px;border-left:1px solid rgba(255,255,255,.2);position:relative}
.process-step:first-child{border-left:0}
.process-step .num{font-size:42px;color:#e88950;font-weight:900;line-height:1}
.process-step h3{margin:18px 0 10px}
.process-step p{color:#c4d7ce;font-size:14px}
.case-section{background:#fff}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
.card img{height:205px}
.card-body{padding:24px}
.tag{display:inline-block;padding:4px 10px;background:var(--mint);border-radius:30px;color:var(--green-deep);font-size:12px;font-weight:700;margin-bottom:13px}
.card-body p{font-size:14px;margin-top:10px}
.metric{font-size:25px;color:var(--green);font-weight:900;margin-top:15px}
.metric small{font-size:12px;color:var(--muted);font-weight:400}
.standard-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.standard-panel{padding:35px;border-radius:var(--radius);background:#eef5ef;border:1px solid #d7e7dc}
.standard-panel.dark{background:#f5e4d8}
.standard-panel h3{margin-bottom:20px}
.standard-list{list-style:none}
.standard-list li{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid rgba(23,32,45,.1)}
.standard-list strong{color:var(--green);min-width:28px}
.quote-strip{padding:70px 0;background:linear-gradient(110deg,#e2f1e9,#f8e6d8)}
.quote-strip blockquote{font-size:clamp(24px,3vw,38px);line-height:1.4;max-width:820px;color:var(--green-deep);font-weight:800}
.quote-strip cite{display:block;margin-top:20px;color:var(--muted);font-style:normal}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
.faq button span{color:var(--orange);font-size:20px}
.faq p{display:none;padding-top:14px;font-size:14px}
.faq.open p{display:block}
.faq.open button span{transform:rotate(45deg)}
.contact-wrap{background:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow);display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}
.contact-wrap h2{margin:15px 0}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.contact-form label{font-size:13px;color:var(--muted)}
.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfa}
.contact-form textarea{height:105px;resize:vertical}
.full{grid-column:1/-1}
.form-note{font-size:12px;color:var(--muted);margin-top:10px}
.final-cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:42px 50px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}
.final-cta p{color:#fff;opacity:.85;margin-top:8px}
.final-cta .btn{background:#fff;color:var(--green-deep)}
footer{background:#113c36;color:#d5e6de;padding:48px 0 22px}
.footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.16)}
footer .logo{color:#fff}
footer p{color:#b9d0c5;max-width:360px;margin-top:13px}
.footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:12px 25px;align-content:start}
.footer-links a{font-size:13px;color:#d5e6de}
.footer-links a:hover{color:#f1b184}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#a9c5ba}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){
 .nav-links a{padding:9px 8px;font-size:13px}.nav-action{margin-left:8px}
 .countdown{right:3%;top:25px}.service-layout{gap:25px}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,600px)}.section{padding:64px 0}
 header{height:70px}.menu{display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:65px;background:#fff;padding:12px;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:12px 14px}.nav-action{margin-left:0;text-align:center}
 .hero{padding:76px 0 42px;min-height:680px}.countdown{position:relative;right:auto;top:auto;width:max-content;margin-bottom:35px}.hero-bottom{margin-top:45px;gap:22px;flex-wrap:wrap}
 .split,.service-layout,.scene-grid,.standard-layout,.contact-wrap{grid-template-columns:1fr;gap:28px}
 .service-index{position:static}.service-list,.case-grid,.faq-grid{grid-template-columns:1fr}
 .scene-card.tall{grid-row:auto;min-height:300px}.scene-card.tall img{min-height:300px}
 .process-grid{grid-template-columns:1fr 1fr}.process-step{border-left:0;border-top:1px solid rgba(255,255,255,.2)}
 .process-step:nth-child(-n+2){border-top:0}.contact-form{grid-template-columns:1fr}.full{grid-column:auto}
 .footer-top,.footer-bottom,.final-cta{flex-direction:column;align-items:flex-start}.footer-links{grid-template-columns:1fr 1fr}
 .final-cta{padding:32px 25px;margin-bottom:55px}
}
@media(max-width:520px){
 h1{font-size:40px}.hero p{font-size:15px}.hero-stat strong{font-size:22px}.hero-bottom{display:grid;grid-template-columns:1fr 1fr}
 .photo-note{right:10px}.process-grid{grid-template-columns:1fr}.process-step:nth-child(2){border-top:1px solid rgba(255,255,255,.2)}
 .footer-links{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:14px}
}

/* roulang page: category5 */
:root{
 --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
 --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
 --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
 --ease:all .3s 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:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.22;letter-spacing:-1px}
.section-head p{max-width:540px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
.btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
.btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
.logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
.nav-action{margin-left:20px}
.menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
.hero{min-height:570px;padding:76px 0 52px;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(13,48,43,.95),rgba(13,48,43,.68)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.hero:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:7%;top:80px}
.hero-inner{position:relative;z-index:1}
.hero h1{max-width:820px;font-size:clamp(40px,6vw,72px);line-height:1.1;letter-spacing:-3px;margin-top:18px}
.hero p{color:rgba(255,255,255,.8);max-width:690px;font-size:17px;margin:24px 0 30px}
.hero .eyebrow{color:#b6e4d0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.countdown{display:flex;align-items:center;gap:12px;width:max-content;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:99px;padding:8px 15px;font-size:13px;margin-bottom:24px}
.countdown b{color:#ffd1ac;font-size:17px}
.hero-bottom{display:flex;gap:42px;align-items:center;margin-top:58px}
.hero-stat strong{display:block;font-size:27px;color:#fff}
.hero-stat span{font-size:12px;color:#b9d0c5}
.intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.intro img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow)}
.intro h2{font-size:clamp(28px,4vw,45px);line-height:1.25;margin:14px 0 20px}
.intro p{color:var(--muted);margin-bottom:15px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:230px;transition:var(--ease)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
.feature-card .num{font-size:14px;color:var(--orange);font-weight:900}
.feature-card h3{font-size:20px;margin:20px 0 10px}
.feature-card p{font-size:14px;color:var(--muted)}
.scenes{background:var(--green-deep);color:#fff}
.scenes .section-head p{color:#b9d0c5}
.scene-list{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.scene-main{min-height:330px;padding:34px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(22,124,104,.9),rgba(14,81,73,.72)),url("/assets/images/coverpic/cover-5.webp") center/cover}
.scene-main h3{font-size:30px;max-width:420px;margin:15px 0}
.scene-main p{max-width:500px;color:#d9eee5}
.scene-side{display:grid;gap:14px}
.scene-side article{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:22px;border-radius:17px}
.scene-side h3{font-size:18px;margin-bottom:5px}
.scene-side p{font-size:13px;color:#c4d9d0}
.process{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
.process h2{font-size:clamp(28px,4vw,43px);line-height:1.25;margin:15px 0}
.process>div>p{color:var(--muted)}
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.step b{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--green-deep)}
.step h3{font-size:18px;margin-bottom:4px}
.step p{font-size:14px;color:var(--muted)}
.case-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-card img{height:245px}
.case-card .body{padding:25px}
.tag{display:inline-block;padding:4px 10px;background:var(--mint);border-radius:30px;color:var(--green-deep);font-size:12px;font-weight:700;margin-bottom:13px}
.case-card h3{font-size:22px;margin-bottom:8px}
.case-card p{font-size:14px;color:var(--muted)}
.metric{color:var(--green);font-weight:900;font-size:25px;margin-top:17px}
.metric small{font-size:12px;color:var(--muted);font-weight:400}
.assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.assure-item{background:#fff;padding:27px 22px;min-height:145px}
.assure-item b{display:block;color:var(--green);font-size:27px;margin-bottom:7px}
.assure-item span{font-size:13px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
.faq button span{color:var(--orange);font-size:20px}
.faq p{display:none;padding-top:14px;font-size:14px;color:var(--muted)}
.faq.open p{display:block}
.cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:45px 50px;display:flex;justify-content:space-between;align-items:center;gap:30px;color:#fff}
.cta h2{font-size:clamp(27px,4vw,42px);line-height:1.25}
.cta p{margin-top:8px;color:#fff3eb}
.contact-form{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:15px}
.contact-form label{font-size:13px;color:var(--muted)}
.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:#fbfcfa}
.contact-form textarea{height:105px;resize:vertical}
.full{grid-column:1/-1}
footer{background:#102d2a;color:#d9eee5;padding:55px 0 22px}
.footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.15)}
footer .logo{color:#fff}
footer p{max-width:360px;margin-top:14px;color:#a9c3b9}
.footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:12px 30px;font-size:13px;color:#b9d0c5}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#8fa99f}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.nav-links a{padding:8px 8px;font-size:13px}.intro,.process{gap:35px}.hero{min-height:530px}}
@media(max-width:768px){
 .container{width:min(100% - 30px,600px)}.section{padding:65px 0}
 header{height:68px}.menu{display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:63px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-action{margin:7px 0 0;text-align:center}
 .hero{padding:63px 0 45px;min-height:590px}.hero h1{letter-spacing:-2px}.hero-bottom{gap:22px;flex-wrap:wrap;margin-top:42px}
 .section-head,.intro,.process,.scene-list,.case-layout{display:block}.section-head p{margin-top:15px}.intro img{height:280px;margin-bottom:28px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:0}.scene-main{margin-bottom:15px}.assurance{grid-template-columns:1fr 1fr}.faq-grid{grid-template-columns:1fr}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.contact-form{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:30px;grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 body{font-size:14px}.hero h1{font-size:39px}.hero p{font-size:15px}.countdown{font-size:12px}.hero-stat strong{font-size:22px}.hero-stat span{font-size:11px}.assurance{grid-template-columns:1fr}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block;margin-top:8px}
}

/* roulang page: category6 */
:root{
 --ink:#17202d;--muted:#667284;--paper:#f7f8f5;--white:#fff;--line:#e5e8e2;
 --green:#167c68;--green-deep:#0e5149;--mint:#d9eee5;--orange:#e88950;
 --radius:22px;--small:14px;--shadow:0 18px 50px rgba(20,48,42,.10);
 --ease:all .3s 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:15px}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;width:100%;object-fit:cover}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.section{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:2px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,4vw,42px);line-height:1.2;letter-spacing:-1px}
.section-head p{max-width:530px;color:var(--muted)}
h1{font-size:clamp(38px,6vw,68px);line-height:1.1;letter-spacing:-3px}
h3{line-height:1.35}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:99px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-main{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(22,124,104,.2)}
.btn-main:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green);border-color:#d3e2da}
.btn-light:hover{border-color:var(--green);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn:focus,input:focus,textarea:focus{outline:3px solid rgba(232,137,80,.35);outline-offset:3px}
header{height:78px;display:flex;align-items:center;background:rgba(247,248,245,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:900;letter-spacing:-1px;color:var(--green-deep)}
.logo span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-left:5px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 13px;color:#586474;font-size:14px;border-radius:12px}
.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--green-deep);font-weight:700}
.nav-action{margin-left:20px}
.menu{display:none;background:transparent;color:var(--green-deep);font-size:25px}
.page-hero{padding:64px 0 60px;background:#eaf3ed;border-bottom:1px solid #dce9df}
.hero-layout{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:58px}
.page-hero h1{margin:20px 0 18px;color:var(--green-deep)}
.page-hero p{max-width:650px;color:#52665f;font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-visual{position:relative}
.hero-visual img{height:330px;border-radius:var(--radius);box-shadow:var(--shadow)}
.float-note{position:absolute;right:-18px;bottom:22px;background:#fff;padding:17px 20px;border-radius:16px;box-shadow:var(--shadow);max-width:205px}
.float-note strong{display:block;color:var(--green);font-size:23px}
.float-note span{font-size:12px;color:var(--muted)}
.intro{background:#fff}
.intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.intro-grid h2{font-size:35px;line-height:1.3}
.intro-copy p{color:var(--muted);margin-bottom:16px}
.quote{border-left:3px solid var(--orange);padding-left:22px;color:var(--green-deep);font-size:20px;font-weight:700}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{padding:28px;min-height:235px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
.feature-icon{width:44px;height:44px;border-radius:14px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-size:21px;margin-bottom:22px}
.feature-card h3{font-size:20px;margin-bottom:11px}
.feature-card p{font-size:14px;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.split-image img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow)}
.split-copy h2{font-size:38px;line-height:1.25;margin:16px 0}
.split-copy>p{color:var(--muted);margin-bottom:18px}
.checklist{list-style:none;margin-top:22px}
.checklist li{padding:12px 0 12px 28px;border-bottom:1px solid var(--line);position:relative}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:bold}
.soft{background:#edf5f0}
.scenario-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.scenario-main{min-height:340px;padding:34px;border-radius:var(--radius);background:linear-gradient(120deg,#d8ece1,#f7e6d9)}
.scenario-main h3{font-size:29px;max-width:420px;margin:15px 0}
.scenario-main p{max-width:520px;color:#53685f}
.scenario-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 25px}
.scenario-list a{display:flex;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line);color:var(--green-deep)}
.scenario-list a:last-child{border-bottom:0}
.scenario-list a:hover{padding-left:8px;color:var(--orange)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-item{padding:27px 23px 10px;border-right:1px solid var(--line)}
.process-item:last-child{border-right:0}
.process-item b{font-size:13px;color:var(--orange);letter-spacing:1px}
.process-item h3{font-size:19px;margin:13px 0 9px}
.process-item p{font-size:14px;color:var(--muted)}
.metrics{background:var(--green-deep);color:#fff}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{padding:18px 20px;border-left:1px solid rgba(255,255,255,.2)}
.metric strong{display:block;font-size:34px;color:#c8ead9}
.metric span{font-size:13px;color:#bbd0c7}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c4ddd2}
.card img{height:190px}
.card-body{padding:24px}
.tag{display:inline-block;padding:4px 10px;background:var(--mint);border-radius:30px;color:var(--green-deep);font-size:12px;font-weight:700;margin-bottom:13px}
.card-body h3{font-size:20px;margin-bottom:10px}
.card-body p{font-size:14px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.faq button{display:flex;justify-content:space-between;width:100%;background:none;text-align:left;color:var(--ink);font-weight:800}
.faq button span{color:var(--orange);font-size:20px}
.faq p{display:none;padding-top:14px;font-size:14px;color:var(--muted)}
.faq.open p{display:block}
.final-cta{margin:0 0 80px;background:var(--orange);border-radius:var(--radius);padding:43px 50px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}
.final-cta h2{font-size:34px;line-height:1.25}
.final-cta p{color:#fff4ec;margin-top:8px}
.final-cta .btn{background:#fff;color:var(--green-deep)}
footer{background:#123d38;color:#dceae4;padding:48px 0 22px}
.footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.15)}
footer .logo{color:#fff}
footer p{max-width:330px;color:#a9c3b8;margin-top:13px;font-size:14px}
.footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:12px 28px;align-content:start}
.footer-links a{font-size:13px;color:#c8dbd3}
.footer-links a:hover{color:#f4b183}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#9cb8ad;font-size:12px}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){
 .nav-links{gap:1px}.nav-links a{padding:8px 8px;font-size:13px}.nav-action{margin-left:8px}
 .hero-layout,.intro-grid,.split,.scenario-grid{gap:35px}
}
@media(max-width:768px){
 header{height:68px}.container{width:min(100% - 30px,600px)}
 .menu{display:block}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-action{margin:5px 0 0;text-align:center}
 .section{padding:65px 0}.page-hero{padding:48px 0}.hero-layout,.intro-grid,.split,.scenario-grid{grid-template-columns:1fr}
 .hero-visual{max-width:560px}.hero-visual img{height:270px}
 .section-head{display:block}.section-head p{margin-top:15px}.feature-grid,.case-grid{grid-template-columns:1fr 1fr}
 .process{grid-template-columns:1fr 1fr}.process-item:nth-child(2){border-right:0}.process-item{border-bottom:1px solid var(--line)}
 .metric-grid{grid-template-columns:1fr 1fr}.faq-grid{grid-template-columns:1fr}
 .final-cta{display:block;padding:34px 27px}.final-cta .btn{margin-top:22px}
 .footer-top,.footer-bottom{display:block}.footer-links{margin-top:28px}
}
@media(max-width:520px){
 h1{letter-spacing:-2px}.feature-grid,.case-grid{grid-template-columns:1fr}.hero-bottom{display:none}
 .process{grid-template-columns:1fr}.process-item{border-right:0}.metric strong{font-size:28px}
 .footer-links{grid-template-columns:repeat(2,1fr)}.footer-bottom span{display:block;margin-top:9px}
}