/* roulang page: index */
:root{--ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;--paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;--shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:1240px}.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}.toplinks{display:flex;gap:24px;align-items:center}.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px}.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative}.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}.navlinks a{height:44px;display:flex;align-items:center;position:relative}.navlinks a:hover,.navlinks a.active{color:#789b18}.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-main{background:var(--lime);color:var(--ink)}.btn-main:hover{background:#b4df45;transform:translateY(-2px)}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#35453a;transform:translateY(-2px)}.btn-outline{border:1px solid var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(200,243,90,.75);outline-offset:3px}.hero{min-height:610px;background:var(--ink);position:relative;overflow:hidden;color:#fff}.hero .carousel-item{height:610px;background-size:cover;background-position:center}.hero .carousel-item:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(22,32,27,.92) 0%,rgba(22,32,27,.62) 46%,rgba(22,32,27,.12) 100%)}.hero-copy{position:relative;z-index:2;padding-top:115px;max-width:650px}.eyebrow,.badge-lite{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase}.eyebrow:before{content:"";width:25px;height:3px;background:var(--lime)}h1{font-size:clamp(40px,5.4vw,66px);line-height:1.12;letter-spacing:-3px;margin:22px 0 20px;font-weight:950}.hero-copy p{font-size:18px;color:#dce4dc;max-width:610px;line-height:1.8}.hero-actions{display:flex;gap:12px;margin-top:28px}.hero-tags{display:flex;gap:9px;margin-top:42px;flex-wrap:wrap}.hero-tags span,.tag{border:1px solid rgba(255,255,255,.28);padding:5px 11px;border-radius:30px;font-size:12px}.hero-meta{position:absolute;bottom:30px;left:calc((100% - 1240px)/2);z-index:3;display:flex;gap:20px;align-items:center;font-family:monospace;color:#dce2da}.progress-line{height:3px;width:170px;background:#5b695f}.progress-line i{display:block;width:42%;height:100%;background:var(--lime)}section{padding:105px 0;scroll-margin-top:82px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:42px}.section-head h2{font-size:clamp(29px,3.2vw,42px);line-height:1.2;letter-spacing:-1.5px;margin:0;font-weight:900}.section-head p{max-width:490px;color:var(--muted);margin:0}.kicker{color:#799a1d;font-size:12px;font-weight:900;letter-spacing:1.5px;margin-bottom:12px}.pain{background:#eef0ea}.pain-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;align-items:center}.big-number{font-size:108px;line-height:.8;font-weight:950;color:var(--orange);font-family:monospace}.issue-list{margin-top:35px;border-top:1px solid var(--line)}.issue{display:grid;grid-template-columns:50px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.issue b{font-size:18px}.issue p{margin:2px 0 0;color:var(--muted);font-size:14px}.timeline-box{background:#fff;border:1px solid var(--line);border-radius:var(--r3);padding:32px;box-shadow:var(--shadow)}.timecode{display:flex;justify-content:space-between;color:var(--muted);font:12px monospace}.track{height:62px;margin:18px 0;border-top:2px solid var(--deep);border-bottom:2px solid var(--deep);position:relative;background:repeating-linear-gradient(90deg,transparent 0 48px,#e8ece6 49px 50px)}.track span{position:absolute;height:20px;top:20px;border-radius:4px}.track .a{left:4%;width:35%;background:var(--lime)}.track .b{left:45%;width:19%;background:var(--orange)}.track .c{left:70%;width:25%;background:var(--deep)}.solution{background:#fff}.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.collage{position:relative;min-height:390px}.collage img{position:absolute;border-radius:var(--r2);object-fit:cover;box-shadow:var(--shadow)}.collage .one{width:67%;height:270px;left:0;top:0}.collage .two{width:48%;height:230px;right:0;bottom:0;border:10px solid #fff}.solution-copy p{color:var(--muted)}.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:28px 0}.spec{background:var(--paper);padding:18px;border-radius:14px}.spec strong{font:900 27px monospace;display:block}.spec small{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.feature{background:#fff;border:1px solid var(--line);padding:25px 20px;border-radius:var(--r2);min-height:205px;transition:.3s}.feature:nth-child(1),.feature:nth-child(4){grid-column:span 2}.feature:nth-child(2),.feature:nth-child(3),.feature:nth-child(5),.feature:nth-child(6){grid-column:span 1}.feature:hover,.story:hover,.scene:hover,.product:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}.feature-no{font:700 13px monospace;color:var(--orange)}.feature h3{font-size:19px;margin:24px 0 8px}.feature p{font-size:13px;color:var(--muted);line-height:1.7}.method{background:#eef0ea}.method-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--ink)}.step{padding:28px 20px 10px;border-right:1px solid var(--line);position:relative}.step:before{content:"";position:absolute;top:-9px;left:20px;width:15px;height:15px;background:var(--lime);border:3px solid var(--ink);border-radius:50%}.step strong{font:900 14px monospace;color:var(--orange)}.step h3{font-size:18px;margin:16px 0 8px}.step p{font-size:13px;color:var(--muted)}.step label{font-size:11px;border:1px solid var(--line);padding:4px 8px;border-radius:5px}.products{background:#fff}.product-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:18px;align-items:end}.product{border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;background:#fff;transition:.3s}.product:nth-child(2){transform:translateY(-18px)}.product-img{height:225px;position:relative;overflow:hidden}.product:nth-child(2) .product-img{height:270px}.product-img img{width:100%;height:100%;object-fit:cover;transition:.4s}.product:hover img{transform:scale(1.05)}.play{position:absolute;left:18px;bottom:18px;width:44px;height:44px;border-radius:50%;background:var(--lime);display:grid;place-items:center}.play:after{content:"";border-left:10px solid var(--ink);border-top:6px solid transparent;border-bottom:6px solid transparent;margin-left:3px}.product-body{padding:23px}.product h3{font-size:21px}.product p{font-size:14px;color:var(--muted)}.tag{display:inline-block;border-color:var(--line);color:var(--muted);margin:3px 3px 3px 0}.case{background:var(--ink);color:#fff}.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:center}.case-frame{height:400px;border:1px solid #58655c;border-radius:var(--r2);padding:18px;position:relative;background:#202d25}.case-frame img{width:100%;height:100%;object-fit:cover;opacity:.72;border-radius:12px}.case-frame .frame-label{position:absolute;top:27px;left:28px;background:var(--lime);color:var(--ink);padding:4px 9px;font:12px monospace}.case-line{height:4px;background:#5b695f;margin:18px}.case-line i{display:block;width:67%;height:100%;background:var(--lime);position:relative}.case-line i:after{content:"";position:absolute;right:-6px;top:-4px;width:12px;height:12px;border-radius:50%;background:var(--orange)}.case-copy h2{font-size:40px}.case-copy p{color:#c1cbc3}.case-points{display:grid;gap:14px;margin-top:28px}.case-points div{border-left:3px solid var(--lime);padding-left:15px}.stories{background:#fff}.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story{border:1px solid var(--line);border-radius:var(--r2);padding:25px;transition:.3s}.story img{height:170px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:18px}.story h3{font-size:18px}.story p{font-size:14px;color:var(--muted)}.story .result{color:#769619;font-weight:800;font-size:13px}.stats{background:var(--orange);color:var(--ink);padding:55px 0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat{border-right:1px solid rgba(22,32,27,.25);padding-left:18px}.stat strong{font:900 42px monospace;display:block}.stat span{font-weight:700}.scenes{background:var(--paper)}.scene-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;grid-template-rows:220px 180px;gap:16px}.scene{position:relative;overflow:hidden;border-radius:var(--r2);border:1px solid var(--line);transition:.3s}.scene:first-child{grid-row:span 2}.scene img{width:100%;height:100%;object-fit:cover;transition:.4s}.scene:hover img{transform:scale(1.04)}.scene:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(22,32,27,.85))}.scene-text{position:absolute;z-index:2;bottom:17px;left:18px;color:#fff}.scene-text b{display:block;font-size:19px}.scene-text small{color:var(--lime)}.reviews{background:#eef0ea}.review-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}.review{background:#fff;border:1px solid var(--line);padding:27px;border-radius:var(--r2);min-height:170px}.review:nth-child(2){transform:translateY(24px)}.quote{font-size:31px;color:var(--orange);line-height:1}.review p{font-size:16px}.review small{color:var(--muted)}.dashboard{background:#fff}.dash-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:20px}.chart,.metric-card,.rhythm{border:1px solid var(--line);border-radius:var(--r2);background:var(--paper);padding:25px}.chart{height:290px;position:relative;overflow:hidden}.chart svg{width:100%;height:190px;margin-top:22px}.metric-stack{display:grid;gap:20px}.metric-card strong{font:900 28px monospace;display:block}.metric-card span{font-size:13px;color:var(--muted)}.rhythm{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center}.news{background:var(--paper)}.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:10px 25px}.news-item{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border-bottom:0}.news-date{font:12px monospace;color:var(--orange)}.news-item h3{font-size:18px;margin:0 0 5px}.news-item p{color:var(--muted);font-size:13px;margin:0}.news-feature{border-radius:var(--r2);overflow:hidden;position:relative;color:#fff;min-height:330px}.news-feature img{width:100%;height:100%;object-fit:cover}.news-feature:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,var(--ink))}.news-feature div{position:absolute;z-index:1;bottom:25px;padding:0 25px}.faq-cta{background:#fff;padding-bottom:110px}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:22px 8px;font-size:17px}.accordion-button:after{background-image:none;content:"+";font-size:25px;color:var(--orange);transform:none}.accordion-button:not(.collapsed):after{content:"−"}.accordion-body{padding:0 45px 20px 8px;color:var(--muted);font-size:14px}.cta-panel{margin-top:75px;background:var(--ink);color:#fff;border-radius:var(--r3);padding:48px;display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.cta-panel p{color:#c2ccc4}.form-control,.form-select{background:#27342c;border:1px solid #536157;color:#fff;min-height:48px;border-radius:10px}.form-control::placeholder{color:#9eaaa1}.form-label{font-size:13px;color:#dce2da}.site-footer{background:var(--ink);color:#dce2da;padding:65px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}.site-footer h3{font-size:19px;color:#fff}.site-footer p,.site-footer a{font-size:13px;color:#9eaaa1}.site-footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #39473e;margin-top:45px;padding-top:20px;font-size:12px;color:#849188;display:flex;justify-content:space-between}.nav-toggle{display:none;background:var(--ink);color:#fff;border:0;border-radius:10px;min-width:44px;height:44px}.offcanvas{background:var(--ink);color:#fff}.offcanvas .navlinks{display:flex;flex-direction:column;align-items:stretch;gap:5px;margin-top:25px}.offcanvas .navlinks a{border-bottom:1px solid #38473e;height:54px}.offcanvas .navlinks a.active:after{display:none}.offcanvas .category-mobile{margin-top:20px;color:var(--lime);font-weight:800}.offcanvas a{color:#fff}
@media(max-width:1199px){.hero-meta{left:5%}.navlinks{gap:13px}.container{max-width:94%}}
@media(max-width:991px){.navlinks,.mainnav>.container>.btn-main{display:none}.nav-toggle{display:block}.pain-grid,.solution-grid,.case-grid,.cta-panel{grid-template-columns:1fr;gap:35px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature:nth-child(n){grid-column:span 1}.method-track{grid-template-columns:repeat(5,1fr)}.product-grid{grid-template-columns:1fr 1fr}.product:nth-child(2){transform:none}.product:last-child{grid-column:1/-1;max-width:50%;margin:auto}.story-grid,.review-grid{grid-template-columns:1fr 1fr}.review:last-child{grid-column:1/-1}.scene-grid{grid-template-columns:1fr 1fr}.scene:first-child{grid-row:span 2}.dash-grid,.news-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575px){body{font-size:15px}.toplinks span:first-child{display:none}.topbar{height:34px}.topbar .container{font-size:11px}.mainnav{height:68px}.brand{font-size:17px}.brand-mark{width:30px;height:30px}.hero,.hero .carousel-item{height:580px}.hero-copy{padding-top:80px}.hero-copy p{font-size:15px}.hero-actions{flex-direction:column;align-items:flex-start}.hero-tags{margin-top:25px}.hero-meta{left:5%;bottom:20px}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.pain-grid{gap:35px}.big-number{font-size:80px}.timeline-box{padding:20px}.specs{grid-template-columns:1fr}.feature-grid,.story-grid,.review-grid,.stat-grid,.product-grid{grid-template-columns:1fr}.product:last-child{max-width:none;grid-column:auto}.method-track{display:block;border-top:0;border-left:2px solid var(--ink);margin-left:8px}.step{border-right:0;border-bottom:1px solid var(--line);padding:20px 15px 20px 30px}.step:before{top:24px;left:-9px}.case-frame{height:260px}.case-copy h2{font-size:30px}.scene-grid{display:block}.scene{height:220px;margin-bottom:14px}.review:nth-child(2){transform:none}.dash-grid{display:block}.metric-stack{margin-top:15px}.rhythm{margin-top:15px;display:block}.news-item{grid-template-columns:70px 1fr}.cta-panel{padding:28px 20px}.footer-grid{grid-template-columns:1fr;gap:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}section{padding:65px 0}h1{letter-spacing:-2px}.collage{min-height:300px}.collage .one{height:210px}.collage .two{height:180px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{--ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;--paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;--shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{max-width:1240px}
.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}
.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.toplinks{display:flex;align-items:center;gap:22px}
.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative}
.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}
.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}
.navlinks a{height:44px;display:flex;align-items:center;position:relative}
.navlinks a:hover,.navlinks a.active{color:#789b18}
.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}
.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-main{background:var(--lime);color:var(--ink)}
.btn-main:hover{background:#b4df45;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#35453a;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus{outline:3px solid rgba(200,243,90,.75);outline-offset:3px}
.nav-toggle{display:none;background:var(--ink);color:#fff;border:0;border-radius:10px;min-width:46px;min-height:44px;font-size:20px}
.page-banner{padding:74px 0 68px;background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-banner:after{content:"09:16  /  TRAINING  /  00:24";position:absolute;right:5%;bottom:23px;color:#aeb8ae;font:700 12px monospace;letter-spacing:1px}
.crumb{color:var(--muted);font-size:13px;margin-bottom:21px}
.crumb span{margin:0 8px;color:var(--orange)}
.page-banner h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-2px;font-weight:900;margin:0 0 20px;max-width:760px}
.page-banner p{max-width:680px;color:var(--muted);font-size:17px;margin:0}
main section{padding:86px 0;scroll-margin-top:90px}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section-head h2{font-size:clamp(28px,3.3vw,40px);line-height:1.25;letter-spacing:-1px;margin:0;font-weight:900}
.section-head p{max-width:500px;color:var(--muted);margin:0}
.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:20px;display:flex;gap:12px;flex-wrap:wrap;align-items:center;box-shadow:0 8px 24px rgba(22,32,27,.04)}
.filter-bar select,.filter-bar input{height:46px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;padding:0 14px;min-width:170px}
.filter-bar input{flex:1;min-width:220px}
.filter-bar button{height:46px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:10px;padding:0 20px;font-weight:800}
.filter-bar button:hover{background:var(--lime);color:var(--ink)}
.content-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:14px;display:flex;gap:18px;min-height:245px;transition:.3s}
.flow-card:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}
.flow-cover{width:145px;min-width:145px;height:215px;overflow:hidden;border-radius:12px;position:relative;background:var(--deep)}
.flow-cover img{width:100%;height:100%;object-fit:cover;transition:.4s}
.flow-card:hover .flow-cover img{transform:scale(1.06)}
.play-dot{position:absolute;left:12px;bottom:12px;background:var(--lime);width:35px;height:35px;border-radius:50%;display:grid;place-items:center;font-size:12px}
.card-copy{padding:8px 5px 5px 0}
.card-copy h3{font-size:20px;line-height:1.4;margin:14px 0 8px}
.card-copy p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 12px}
.tag{display:inline-block;border:1px solid var(--line);color:var(--muted);border-radius:30px;padding:3px 10px;font-size:12px;margin:3px 3px 3px 0}
.tag.hot{border-color:#ffd0c0;color:#d74c20;background:#fff7f3}
.breakdown{background:var(--ink);color:#fff}
.breakdown .section-head p{color:#bac5bd}
.break-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}
.break-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.break-item{border:1px solid #3a493f;border-radius:var(--r1);padding:22px;background:var(--deep)}
.break-item strong{display:block;color:var(--lime);font:800 27px monospace;margin-bottom:14px}
.break-item h3{font-size:19px;margin:0 0 6px}
.break-item p{color:#bdc8bf;font-size:13px;margin:0}
.timeline-box{border:1px solid #3a493f;border-radius:var(--r2);padding:26px;position:relative}
.timeline-box h3{font-size:20px;margin:0 0 25px}
.line{height:4px;background:#46564b;position:relative;margin:42px 5px 24px}
.line:before{content:"";position:absolute;left:12%;right:18%;height:4px;background:var(--lime)}
.node{position:absolute;top:-9px;width:22px;height:22px;background:var(--orange);border:5px solid var(--ink);border-radius:50%}
.node.one{left:10%}.node.two{left:43%}.node.three{left:78%}
.time-label{display:flex;justify-content:space-between;color:#aab6ad;font:12px monospace}
.ratio-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.ratio-card{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:26px;min-height:210px;position:relative;overflow:hidden}
.ratio-card:after{content:"";position:absolute;right:-25px;bottom:-35px;width:120px;height:120px;border:1px solid var(--line);transform:rotate(22deg)}
.ratio-card h3{font-size:21px;margin:0 0 12px}
.ratio-card p{color:var(--muted);font-size:14px;margin:0}
.ratio-mark{font:800 31px monospace;color:var(--orange);margin-bottom:20px}
.rhythm-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.rhythm-board,.rhythm-note{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:28px}
.rhythm-board h3,.rhythm-note h3{font-size:20px;margin:0 0 20px}
.bar-row{display:flex;align-items:center;gap:15px;margin:18px 0}
.bar-row span{width:70px;color:var(--muted);font-size:13px}
.bar{height:12px;background:#e8ede7;border-radius:10px;flex:1;overflow:hidden}
.bar i{display:block;height:100%;background:var(--lime);border-radius:10px}
.rhythm-note strong{font:900 36px monospace;display:block;margin:8px 0}
.rhythm-note p{color:var(--muted);font-size:14px}
.more-panel{background:var(--lime);border-radius:var(--r3);padding:40px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.more-panel h2{font-size:30px;line-height:1.3;margin:0 0 8px}
.more-panel p{margin:0;color:#3f5124}
.site-footer{background:var(--ink);color:#bdc8bf;padding:68px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr 1fr;gap:40px}
.site-footer .brand{color:#fff}
.site-footer p{font-size:13px;line-height:1.8;margin:10px 0}
.site-footer h3{font-size:15px;color:#fff;margin:4px 0 18px}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #35433a;margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#89968d}
.offcanvas{background:var(--ink);color:#fff}
.mobile-links{display:flex;flex-direction:column;padding:20px}
.mobile-links a{min-height:52px;display:flex;align-items:center;border-bottom:1px solid #35433a}
@media(max-width:991px){
 .navlinks{display:none}.nav-toggle{display:block}.mainnav .btn-main{margin-left:auto;margin-right:12px}
 .page-banner{padding:60px 0}.content-flow,.break-grid,.rhythm-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .topbar{height:auto;padding:7px 0}.toplinks span:first-child{display:none}.toplinks{gap:10px}
 .mainnav{height:70px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}
 .mainnav .btn-main{font-size:13px;padding:8px 13px;min-height:42px}
 main section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
 .flow-card{min-height:0}.break-list,.ratio-grid{grid-template-columns:1fr}
 .more-panel{display:block;padding:30px 25px}.more-panel .btn-dark{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}
@media(max-width:575px){
 body{font-size:15px}.container{padding-left:18px;padding-right:18px}
 .topbar .container{align-items:flex-start}.topbar .container>span{font-size:11px}.toplinks{font-size:11px}
 .mainnav .btn-main{display:none}.nav-toggle{margin-left:auto}
 .page-banner{padding:46px 0 55px}.page-banner h1{font-size:38px;letter-spacing:-1px}.page-banner p{font-size:15px}
 .flow-card{display:block}.flow-cover{width:100%;height:190px}.card-copy{padding:8px 3px 3px}
 .filter-bar{padding:14px}.filter-bar select,.filter-bar input,.filter-bar button{width:100%;min-width:0}
 .break-item{padding:18px}.timeline-box,.rhythm-board,.rhythm-note{padding:20px}
 .footer-grid{grid-template-columns:1fr}.site-footer{padding-top:50px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{--ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;--paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;--shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{max-width:1240px}
.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}
.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.toplinks{display:flex;align-items:center;gap:22px}
.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative}
.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}
.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}
.navlinks a{height:44px;display:flex;align-items:center;position:relative}
.navlinks a:hover,.navlinks a.active{color:#789b18}
.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}
.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-main{background:var(--lime);color:var(--ink)}
.btn-main:hover{background:#b4df45;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#35453a;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus{outline:3px solid rgba(200,243,90,.75);outline-offset:3px}
.nav-toggle{display:none;background:var(--ink);color:#fff;border:0;border-radius:10px;min-width:46px;height:46px;font-size:22px}
.page-banner{padding:72px 0 68px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(200,243,90,.2);border-radius:50%;right:-110px;top:-250px}
.breadcrumbs{font-size:13px;color:#aeb9b0;margin-bottom:20px}
.breadcrumbs a:hover{color:var(--lime)}
.page-banner h1{font-size:clamp(38px,5vw,62px);line-height:1.15;letter-spacing:-2px;font-weight:900;max-width:760px;margin:0 0 18px;position:relative;z-index:1}
.page-banner p{max-width:690px;color:#dce4dc;margin:0;font-size:17px;position:relative;z-index:1}
main section{padding:88px 0;scroll-margin-top:84px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-1px;font-weight:900;margin:0}
.section-head p{max-width:490px;color:var(--muted);margin:0}
.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:20px;display:grid;grid-template-columns:1fr 1fr 1fr 1.25fr auto;gap:12px;box-shadow:0 8px 24px rgba(22,32,27,.04)}
.filter-bar label{font-size:12px;font-weight:800;color:var(--muted);display:block;margin:0 0 4px}
.filter-bar select,.filter-bar input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);padding:8px 12px}
.filter-bar .btn-dark{height:46px;white-space:nowrap}
.editor-list{display:grid;gap:18px}
.editor-card{display:grid;grid-template-columns:39% 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s}
.editor-card:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}
.editor-cover{min-height:245px;position:relative;overflow:hidden;background:var(--deep)}
.editor-cover img{width:100%;height:100%;object-fit:cover;transition:.4s}
.editor-card:hover .editor-cover img{transform:scale(1.04)}
.cover-label{position:absolute;left:16px;top:16px;background:var(--lime);color:var(--ink);padding:4px 10px;border-radius:8px;font-size:12px;font-weight:900}
.play-dot{position:absolute;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;background:var(--lime);display:grid;place-items:center}
.play-dot:after{content:"";margin-left:3px;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid var(--ink)}
.editor-copy{padding:28px 32px;display:flex;flex-direction:column;justify-content:center}
.meta{font-size:12px;color:var(--orange);font-weight:800;letter-spacing:.4px}
.editor-copy h3{font-size:25px;line-height:1.35;margin:10px 0 9px;font-weight:900}
.editor-copy p{color:var(--muted);margin:0 0 18px;max-width:610px}
.read-link{font-size:14px;font-weight:900;color:#789b18}
.read-link:hover{color:var(--orange);padding-left:5px}
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.support-card{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:30px}
.support-card.dark{background:var(--deep);color:#fff;border-color:var(--deep)}
.support-card h3{font-size:22px;margin:0 0 18px;font-weight:900}
.step-list{display:grid;gap:14px}
.step-item{display:flex;gap:14px;align-items:flex-start;border-top:1px solid var(--line);padding-top:14px}
.step-item:first-child{border-top:0;padding-top:0}
.step-no{font:800 13px monospace;color:var(--orange);padding-top:3px}
.step-item strong{display:block}
.step-item span{font-size:13px;color:var(--muted)}
.dark .step-item{border-color:rgba(255,255,255,.14)}
.dark .step-item span{color:#b8c5bb}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--r1);padding:22px}
.spec strong{display:block;font:900 26px monospace;margin-bottom:5px}
.spec span{color:var(--muted);font-size:13px}
.hot-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.hot-panel{background:var(--ink);color:#fff;border-radius:var(--r2);padding:28px}
.hot-panel h3{font-size:22px;margin:0 0 20px}
.rank-row{display:grid;grid-template-columns:38px 1fr 92px;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.rank-row:last-child{border-bottom:0}
.rank-no{font:900 20px monospace;color:var(--lime)}
.rank-title{font-weight:800}
.rank-type{font-size:12px;color:#aeb9b0;text-align:right}
.bar{height:6px;background:#46534b;border-radius:6px;margin-top:7px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--lime);border-radius:6px}
.contact-note{background:var(--lime);border-radius:var(--r2);padding:30px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.contact-note h2{font-size:27px;line-height:1.3;margin:0 0 8px;font-weight:900}
.contact-note p{margin:0;color:#34412e}
.more-area{text-align:center;margin-top:35px}
.site-footer{background:var(--ink);color:#cbd3cc;padding:68px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr 1fr 1fr;gap:35px}
.site-footer .brand{color:#fff}
.site-footer p{font-size:13px;color:#aeb9b0;margin:10px 0}
.site-footer h3{color:#fff;font-size:15px;margin:0 0 16px}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8e9b91}
.offcanvas{background:var(--ink);color:#fff}
.mobile-links{display:grid;gap:4px;margin-top:30px}
.mobile-links a{min-height:48px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.14)}
.mobile-links .category-title{color:var(--lime);font-weight:900;margin-top:18px}
.mobile-links .sub{padding-left:20px;color:#cbd3cc;font-size:14px}
@media(max-width:1199px){.navlinks{gap:14px}.filter-bar{grid-template-columns:1fr 1fr 1fr}.filter-bar .btn-dark{grid-column:span 1}.container{padding-left:24px;padding-right:24px}}
@media(max-width:991px){.navlinks,.mainnav .btn-main{display:none}.nav-toggle{display:block}main section{padding:68px 0}.filter-bar{grid-template-columns:1fr 1fr}.support-grid,.hot-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.editor-card{grid-template-columns:42% 1fr}}
@media(max-width:575px){.topbar{height:auto;padding:7px 0}.topbar .container{display:block}.toplinks{gap:10px;margin-top:2px;flex-wrap:wrap}.mainnav{height:68px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}.page-banner{padding:48px 0 50px}.page-banner h1{font-size:39px}.page-banner p{font-size:15px}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.filter-bar{grid-template-columns:1fr;padding:16px}.filter-bar .btn-dark{grid-column:auto}.editor-card{display:block}.editor-cover{height:210px;min-height:0}.editor-copy{padding:23px}.editor-copy h3{font-size:21px}.spec-grid{grid-template-columns:1fr 1fr;gap:10px}.spec{padding:16px}.spec strong{font-size:21px}.contact-note{display:block;padding:24px}.contact-note .btn-dark{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.rank-row{grid-template-columns:32px 1fr 65px}.container{padding-left:18px;padding-right:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{--ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;--paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;--shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:1240px}
.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}.toplinks{display:flex;gap:22px;align-items:center}.toplinks a{text-decoration:underline}.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px}.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative}.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}.navlinks a{height:44px;display:flex;align-items:center;position:relative}.navlinks a:hover,.navlinks a.active{color:#789b18}.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}
.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-main{background:var(--lime);color:var(--ink)}.btn-main:hover{background:#b4df45;transform:translateY(-2px)}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#35453a;transform:translateY(-2px)}.btn-outline{border:1px solid var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus{outline:3px solid rgba(200,243,90,.8);outline-offset:3px}.nav-toggle{display:none;background:var(--ink);color:#fff;border:0;border-radius:10px;min-width:46px;min-height:46px}
.page-band{padding:68px 0 58px;background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-band:after{content:"03 / CLUB VIDEO";position:absolute;right:5%;bottom:22px;color:#d7ded6;font:700 12px monospace;letter-spacing:2px}.crumb{color:var(--muted);font-size:13px;margin-bottom:18px}.crumb span{margin:0 9px;color:var(--orange)}h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-2px;margin:0 0 18px;font-weight:900}.lead{max-width:700px;color:var(--muted);font-size:18px;margin:0}
section{padding:88px 0;scroll-margin-top:84px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;letter-spacing:-1px;margin:0;font-weight:900}.section-head p{max-width:520px;color:var(--muted);margin:0}
.filterbar{background:var(--ink);padding:22px;border-radius:var(--r2);color:#fff;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.filterbar label{font-size:13px;color:#dce2da}.filterbar select,.searchbox{height:46px;border:1px solid #526057;background:#27342c;color:#fff;border-radius:10px;padding:0 14px;min-width:150px}.filterbar select:focus,.searchbox:focus{border-color:var(--lime)}
.editor-list{display:grid;gap:18px}.editor-card{display:grid;grid-template-columns:310px 1fr auto;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:14px;transition:.3s}.editor-card:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}.editor-card img{width:100%;height:190px;object-fit:cover;border-radius:12px;transition:.4s}.editor-card:hover img{transform:scale(1.03)}.editor-card h3{font-size:23px;line-height:1.35;margin:12px 0 8px}.editor-card p{color:var(--muted);margin:0;max-width:600px}.tag{display:inline-block;border:1px solid var(--line);color:var(--muted);padding:3px 10px;border-radius:30px;font-size:12px;margin:3px 4px 3px 0}.hot{color:var(--orange);border-color:#ffc4b2}.arrow{font-size:28px;color:var(--orange);padding:15px}
.schedule{background:var(--deep);color:#fff}.schedule .section-head p{color:#bac8bc}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #5b6b5e}.time-step{position:relative;padding:28px 24px 5px;border-right:1px solid #526057}.time-step:before{content:"";position:absolute;top:-9px;left:24px;width:15px;height:15px;border-radius:50%;background:var(--lime);border:4px solid var(--deep)}.time-step:last-child{border:0}.time-step strong{font:700 13px monospace;color:var(--lime)}.time-step h3{font-size:20px;margin:12px 0 7px}.time-step p{font-size:14px;color:#c4d0c6;margin:0}.time-step em{display:inline-block;color:var(--orange);font-style:normal;font-size:12px;margin-top:15px}
.info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:30px}.info-panel h3{font-size:23px;margin:0 0 18px}.checklist{list-style:none;margin:0;padding:0}.checklist li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}.checklist li:before{content:"✓";color:var(--orange);font-weight:900}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.metric{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px}.metric strong{display:block;font:900 30px monospace}.metric span{font-size:13px;color:var(--muted)}.meter{height:9px;background:#e3e9e1;border-radius:10px;margin-top:14px;overflow:hidden}.meter i{display:block;height:100%;background:var(--lime);width:78%}
.more-box{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:38px;text-align:center}.more-box p{color:var(--muted);margin:8px auto 22px}.site-footer{background:var(--ink);color:#bdc9bf;padding:65px 0 22px}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr 1fr 1fr;gap:35px}.site-footer .brand{color:#fff}.site-footer p{font-size:13px;margin:8px 0}.site-footer h3{font-size:15px;color:var(--lime);margin:5px 0 18px}.site-footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #39483d;margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#94a397}.offcanvas{background:var(--ink);color:#fff}.offcanvas .nav-link{color:#fff;padding:12px 0;border-bottom:1px solid #39483d}.offcanvas .btn-main{margin-top:22px}
@media(max-width:1199px){.navlinks{gap:14px}.container{padding-left:24px;padding-right:24px}.editor-card{grid-template-columns:260px 1fr auto}}
@media(max-width:991px){.navlinks,.mainnav>.container>.btn-main{display:none}.nav-toggle{display:block}.timeline{grid-template-columns:repeat(2,1fr);row-gap:25px}.time-step:nth-child(2){border-right:0}.info-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.topbar{height:auto;padding:7px 0}.topbar .container{height:auto}.toplinks span:first-child{display:none}.toplinks{gap:10px}.mainnav{height:68px}.editor-card{grid-template-columns:1fr;gap:15px}.editor-card img{height:210px}.arrow{position:absolute;right:20px;margin-top:-50px}.editor-card{position:relative}.section-head{display:block}.section-head p{margin-top:13px}.timeline{grid-template-columns:1fr}.time-step,.time-step:nth-child(2){border-right:0;border-left:2px solid #5b6b5e;padding-left:24px}.time-step:before{left:-9px}.metric-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:575px){body{font-size:15px}.container{padding-left:18px;padding-right:18px}.page-band{padding:48px 0 44px}h1{font-size:40px}.lead{font-size:16px}.filterbar{align-items:stretch}.filterbar select,.searchbox{width:100%;min-width:0}.filterbar label{width:100%}section{padding:58px 0}.editor-card img{height:185px}.info-panel{padding:22px}.metric-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category4 */
:root{--ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;--paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;--shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input,select{font:inherit}button{cursor:pointer}.container{max-width:1240px}.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}.toplinks{display:flex;gap:18px;align-items:center}.toplinks a{color:#fff!important;font-weight:700}.toplinks a:hover{color:var(--lime)!important}.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px;white-space:nowrap}.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative;flex:0 0 34px}.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}.navlinks a{height:44px;display:flex;align-items:center;position:relative}.navlinks a:hover,.navlinks a.active{color:#789b18}.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.25s}.btn-main{background:var(--lime);color:var(--ink)}.btn-main:hover{background:#b4df45;transform:translateY(-2px)}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#35453a;color:#fff;transform:translateY(-2px)}.btn-outline{border:1px solid var(--ink);background:transparent;color:var(--ink)}.btn-outline:hover{background:var(--ink);color:#fff}.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus,a:focus{outline:3px solid rgba(200,243,90,.8);outline-offset:3px}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);height:44px;width:44px;border-radius:12px;font-size:21px;line-height:1}.page-section{padding:92px 0;scroll-margin-top:95px}.section-kicker{display:flex;align-items:center;gap:10px;font-size:12px;color:#71851f;font-weight:900;letter-spacing:1.2px}.section-kicker:before{content:"";height:3px;width:28px;background:var(--lime)}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:38px}.section-head h2{max-width:650px;margin:8px 0 0;font-size:clamp(29px,3.3vw,40px);line-height:1.25;letter-spacing:-1.4px;font-weight:900}.section-head p{max-width:430px;color:var(--muted);margin:0}.crumb-band{padding:48px 0 56px;position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}.crumb-band:after{content:"";position:absolute;width:410px;height:410px;border:1px solid var(--line);border-radius:50%;right:-110px;top:-250px}.breadcrumb{position:relative;z-index:1;margin:0 0 20px;font-size:13px;color:var(--muted)}.breadcrumb-item+.breadcrumb-item:before{color:#aab2ab}.breadcrumb-item a:hover{color:#789b18}.crumb-band h1{position:relative;z-index:1;margin:0;max-width:820px;font-size:clamp(36px,5vw,58px);letter-spacing:-2.5px;line-height:1.12;font-weight:900}.crumb-band p{position:relative;z-index:1;max-width:680px;color:var(--muted);margin:17px 0 0}.filter-section{padding:30px 0;background:var(--paper);border-bottom:1px solid var(--line)}.filter-wrap{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.filter-title{font-size:14px;font-weight:900;margin-right:8px}.filter-btn{height:44px;padding:0 16px;border:1px solid var(--line);background:#fff;border-radius:11px;font-size:14px;color:var(--deep);font-weight:700}.filter-btn:hover,.filter-btn.active{border-color:var(--lime);background:#f7fce9}.filter-select{height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:0 34px 0 14px;color:var(--deep);font-size:14px;outline:0}.filter-select:focus{border-color:#a9d739;box-shadow:0 0 0 3px rgba(200,243,90,.35)}.selected-note{margin-left:auto;color:var(--muted);font-size:13px}.content-list{display:grid;gap:18px}.featured-card{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:var(--r3);overflow:hidden;box-shadow:var(--shadow);transition:.3s}.featured-card:hover{transform:translateY(-5px);border-color:var(--lime)}.featured-cover{min-height:345px;position:relative;overflow:hidden}.featured-cover img{height:100%;width:100%;object-fit:cover;transition:.5s}.featured-card:hover .featured-cover img,.compact-item:hover img{transform:scale(1.05)}.frame-corner{position:absolute;top:18px;left:18px;width:46px;height:46px;border-left:3px solid var(--lime);border-top:3px solid var(--lime)}.play{position:absolute;left:24px;bottom:22px;width:54px;height:54px;border:0;border-radius:50%;background:var(--lime);display:grid;place-items:center;color:var(--ink);font-size:19px;padding-left:3px;box-shadow:0 8px 20px rgba(0,0,0,.2)}.video-time{position:absolute;right:18px;bottom:20px;background:rgba(22,32,27,.86);color:#fff;border-radius:8px;font:700 12px monospace;padding:5px 9px}.featured-body{padding:42px}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.content-tag{font-size:12px;font-weight:800;padding:4px 9px;border-radius:6px;background:#edf4d9;color:#556e0e}.content-tag.orange{background:#fff0e9;color:#bd4d24}.featured-body h2{font-size:30px;line-height:1.35;letter-spacing:-1px;font-weight:900;margin:20px 0 13px}.featured-body p{color:var(--muted);margin:0 0 22px}.meta-line{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;padding-top:18px;border-top:1px solid var(--line)}.compact-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.compact-item{background:#fff;border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s}.compact-item:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow)}.compact-thumb{height:155px;overflow:hidden}.compact-thumb img{height:100%;width:100%;object-fit:cover;transition:.45s}.compact-body{padding:18px}.compact-body h3{font-size:18px;line-height:1.45;font-weight:900;margin:10px 0 7px}.compact-body p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}.timing-section{background:#fff}.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding-top:25px}.timeline:before{content:"";position:absolute;left:5%;right:5%;height:2px;background:var(--line);top:43px}.time-step{position:relative;padding-top:45px}.time-dot{position:absolute;top:25px;left:0;width:37px;height:37px;border-radius:50%;background:var(--ink);border:7px solid #fff;box-shadow:0 0 0 1px var(--line);color:var(--lime);display:grid;place-items:center;font:700 11px monospace;z-index:1}.time-step.hot .time-dot{background:var(--orange);color:#fff}.time-step h3{font-size:17px;font-weight:900;margin:0 0 7px}.time-step p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.time-label{display:inline-block;margin-top:11px;font:700 11px monospace;color:#6f8619;background:#f4f9e9;border-radius:5px;padding:3px 7px}.spec-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:stretch}.spec-intro{background:var(--ink);color:#fff;border-radius:var(--r3);padding:38px;position:relative;overflow:hidden}.spec-intro:after{content:"16:9";position:absolute;right:-15px;bottom:-34px;font:900 84px monospace;color:rgba(200,243,90,.12)}.spec-intro h2{position:relative;font-size:31px;line-height:1.3;font-weight:900;margin:14px 0}.spec-intro p{position:relative;color:#cbd3cc;margin:0}.spec-list{background:#fff;border:1px solid var(--line);border-radius:var(--r3);padding:12px 28px}.spec-row{display:grid;grid-template-columns:135px 1fr;gap:22px;padding:20px 0;border-bottom:1px solid var(--line)}.spec-row:last-child{border:0}.spec-row strong{font-size:15px}.spec-row span{font-size:14px;color:var(--muted)}.compare-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}.compare-card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--r2);min-height:260px;transition:.3s}.compare-card:hover{border-color:var(--lime);transform:translateY(-4px);box-shadow:var(--shadow)}.compare-card.featured{background:var(--deep);border-color:var(--deep);color:#fff}.compare-icon{width:44px;height:44px;border-radius:12px;background:#eef5d7;display:grid;place-items:center;color:#728f18;font-size:21px;margin-bottom:26px}.featured .compare-icon{background:var(--lime);color:var(--ink)}.compare-card h3{font-size:20px;font-weight:900;margin:0 0 10px}.compare-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}.featured p{color:#d0d8d1}.format-list{padding:0;margin:18px 0 0;list-style:none}.format-list li{font-size:13px;padding:5px 0;border-bottom:1px solid var(--line)}.featured .format-list li{border-color:rgba(255,255,255,.16)}.load-section{padding-top:70px}.load-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r3);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px}.load-panel h2{font-size:26px;font-weight:900;line-height:1.35;margin:0 0 7px}.load-panel p{font-size:14px;color:var(--muted);margin:0}.load-actions{display:flex;gap:12px;align-items:center;flex-shrink:0}.consult-link{font-size:14px;font-weight:800;text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:5px}.consult-link:hover{color:#789b18}.contact-strip{margin-top:24px;background:var(--ink);border-radius:var(--r2);padding:26px 32px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.contact-strip strong{font-size:19px}.contact-strip span{color:#cbd3cc;font-size:14px}.site-footer{background:var(--ink);color:#cbd3cc;padding:70px 0 24px;margin-top:92px}.site-footer .brand{color:#fff}.footer-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr 1fr;gap:45px}.footer-grid h3{color:#fff;font-size:15px;font-weight:900;margin:0 0 18px}.footer-grid p{font-size:13px;line-height:1.8;margin:0 0 8px}.footer-grid a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px;color:#98a49b}.offcanvas{background:var(--paper);color:var(--ink)}.offcanvas-header{border-bottom:1px solid var(--line)}.mobile-link{display:block;padding:13px 0;border-bottom:1px solid var(--line);font-weight:800}.mobile-link:hover{color:#789b18}.mobile-category{margin-top:24px;padding-top:20px;border-top:2px solid var(--ink)}.mobile-category h3{font-size:14px;font-weight:900;margin-bottom:10px}.mobile-category a{display:block;font-size:14px;padding:9px 0;color:var(--muted)}.mobile-category a.active{color:#789b18;font-weight:900}
@media(max-width:1199px){.navlinks{gap:14px}.navlinks a{font-size:13px}.featured-body{padding:30px}.featured-body h2{font-size:26px}}
@media(max-width:991px){.navlinks,.mainnav .btn-main{display:none}.nav-toggle{display:block}.topbar .toplinks span{display:none}.page-section{padding:72px 0}.featured-card{grid-template-columns:1fr}.featured-cover{min-height:290px}.compact-list{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(3,1fr);row-gap:28px}.timeline:before{display:none}.time-step{padding-top:44px}.spec-grid{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr 1fr}.compare-card:first-child{grid-column:span 2}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.load-panel{align-items:flex-start;flex-direction:column}.contact-strip{flex-direction:column;align-items:flex-start}}
@media(max-width:767px){body{font-size:15px}.topbar{font-size:11px}.toplinks{gap:8px}.crumb-band{padding:38px 0 43px}.crumb-band h1{font-size:38px}.crumb-band p{font-size:14px}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}.filter-wrap{align-items:flex-start}.selected-note{width:100%;margin:4px 0 0}.featured-cover{min-height:235px}.featured-body{padding:25px}.featured-body h2{font-size:24px}.compact-list{grid-template-columns:1fr}.compact-item{display:grid;grid-template-columns:135px 1fr}.compact-thumb{height:auto}.compact-body{padding:14px}.compact-body h3{font-size:16px;margin-top:5px}.compact-body p{font-size:12px}.timeline{grid-template-columns:1fr 1fr}.spec-intro{padding:30px}.spec-list{padding:9px 20px}.spec-row{grid-template-columns:1fr;gap:4px}.compare-grid{grid-template-columns:1fr}.compare-card:first-child{grid-column:auto}.load-panel{padding:28px}.load-actions{width:100%;flex-wrap:wrap}.site-footer{margin-top:64px;padding-top:54px}.footer-bottom{flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575px){.topbar .container{justify-content:center}.topbar .container>span{font-size:10px}.toplinks a{display:none}.mainnav{height:67px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}.crumb-band h1{font-size:33px;letter-spacing:-1.7px}.page-section{padding:55px 0}.filter-section{padding:20px 0}.filter-btn{padding:0 13px;font-size:13px}.filter-select{width:100%;height:46px}.featured-cover{min-height:210px}.featured-body h2{font-size:22px}.meta-line{gap:10px}.compact-item{grid-template-columns:115px 1fr}.timeline{grid-template-columns:1fr}.time-step{padding-left:54px;padding-top:0;min-height:68px}.time-dot{top:0;left:0}.time-label{margin-top:6px}.spec-intro h2{font-size:26px}.load-panel h2{font-size:22px}.load-actions .btn-main{width:100%}.contact-strip{padding:24px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:20px}}

/* roulang page: category5 */
:root{
 --ink:#16201b;--deep:#27342c;--lime:#c8f35a;--orange:#ff6b35;
 --paper:#f5f6f1;--white:#fff;--muted:#68736b;--line:#dce2da;
 --shadow:0 16px 40px rgba(22,32,27,.08);--r1:14px;--r2:18px;--r3:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .25s ease}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{max-width:1240px}
.topbar{height:38px;background:var(--ink);color:#cbd3cc;font-size:12px}
.topbar .container,.mainnav .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.toplinks{display:flex;align-items:center;gap:22px}
.toplinks a{text-decoration:underline;text-underline-offset:3px}
.mainnav{height:76px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
.brand-mark{width:34px;height:34px;background:var(--lime);border-radius:10px;display:grid;place-items:center;position:relative}
.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid var(--ink);margin-left:3px}
.navlinks{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}
.navlinks a{height:44px;display:flex;align-items:center;position:relative}
.navlinks a:hover,.navlinks a.active{color:#789b18}
.navlinks a.active:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:4px;background:var(--lime)}
.btn-main,.btn-dark,.btn-outline{border:0;min-height:46px;padding:10px 22px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-main{background:var(--lime);color:var(--ink)}
.btn-main:hover{background:#b4df45;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#35453a;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-main:focus,.btn-dark:focus,.btn-outline:focus,.nav-toggle:focus,input:focus,select:focus{outline:3px solid rgba(200,243,90,.8);outline-offset:3px}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;min-width:46px;height:46px;font-size:22px}
.page-banner{background:var(--ink);color:#fff;padding:76px 0 82px;position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(200,243,90,.22);border-radius:50%;right:-150px;top:-240px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1px}
.eyebrow:before{content:"";width:25px;height:3px;background:var(--lime)}
.breadcrumb-line{color:#aeb9af;font-size:13px;margin-bottom:22px}
.breadcrumb-line a:hover{color:var(--lime)}
.page-banner h1{font-size:clamp(36px,5vw,62px);line-height:1.12;letter-spacing:-2px;margin:15px 0 18px;font-weight:900;max-width:760px}
.page-banner p{color:#dce4dc;max-width:680px;margin:0;font-size:17px}
.section{padding:92px 0;scroll-margin-top:84px}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-1.5px;margin:0;font-weight:900}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:20px;box-shadow:var(--shadow)}
.filter-row{display:grid;grid-template-columns:1fr 1fr 1fr 1.4fr auto;gap:12px;align-items:center}
.form-control,.form-select{border:1px solid var(--line);background:var(--paper);color:var(--ink);min-height:48px;border-radius:10px}
.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,243,90,.3)}
.knowledge-list{display:grid;gap:18px}
.knowledge-item{display:grid;grid-template-columns:280px 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:15px;transition:.3s}
.knowledge-item:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}
.knowledge-item img{width:100%;height:190px;object-fit:cover;border-radius:12px}
.item-body{padding:10px 12px 8px 0}
.item-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin-bottom:8px}
.tag{display:inline-flex;border:1px solid var(--line);color:var(--muted);padding:3px 10px;border-radius:30px;font-size:12px}
.item-body h3{font-size:23px;line-height:1.35;margin:5px 0 9px}
.item-body p{color:var(--muted);font-size:14px;margin:0 0 14px;max-width:720px}
.read-link{font-weight:800;color:#6f9217}
.read-link:hover{color:var(--orange)}
.knowledge-no{font:700 13px monospace;color:var(--orange);margin-right:8px}
.step-board{background:var(--deep);color:#fff;border-radius:var(--r3);padding:38px}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:30px}
.step{position:relative;padding:0 24px 0 0;border-top:2px solid #647269}
.step:not(:last-child):after{content:"";position:absolute;right:0;top:-6px;width:10px;height:10px;background:var(--orange);border-radius:50%}
.step-no{display:block;color:var(--lime);font:700 13px monospace;margin:19px 0 13px}
.step h3{font-size:19px;margin:0 0 7px}
.step p{color:#cbd5cc;font-size:13px;margin:0;line-height:1.7}
.step-label{display:inline-block;margin-top:14px;color:var(--lime);font-size:12px}
.tip-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
.tip-card{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:30px}
.tip-card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.tip-card h3{font-size:23px;margin:0 0 12px}
.tip-card p{color:var(--muted);font-size:14px}
.tip-card.dark p{color:#cbd5cc}
.ratio-list{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.ratio{border:1px solid var(--line);border-radius:12px;padding:13px 16px;min-width:105px;background:var(--paper)}
.ratio strong{display:block;font:800 20px monospace}
.ratio span{font-size:12px;color:var(--muted)}
.tip-card.dark .ratio{border-color:#526056;background:#27342c}
.tip-card.dark .ratio span{color:#b9c5bb}
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:12px 26px}
.accordion-item{border:0!important;border-bottom:1px solid var(--line)!important}
.accordion-item:last-child{border-bottom:0!important}
.accordion-button{background:#fff!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:22px 4px}
.accordion-button:after{background-image:none;content:"+";font-size:25px;font-weight:400;color:var(--orange);width:auto;height:auto}
.accordion-button:not(.collapsed):after{content:"−"}
.accordion-body{padding:0 35px 22px 4px;color:var(--muted);font-size:14px}
.more-box{margin-top:28px;background:var(--lime);border-radius:var(--r2);padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.more-box h3{margin:0;font-size:21px}
.more-box p{margin:4px 0 0;font-size:14px}
.site-footer{background:var(--ink);color:#dce4dc;padding:64px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:40px}
.site-footer .brand{color:#fff}
.site-footer p{color:#aeb9af;font-size:13px;margin:8px 0}
.site-footer h3{color:var(--lime);font-size:15px;margin:0 0 15px}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #39463d;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#8d9b90;font-size:12px}
.offcanvas{background:var(--ink);color:#fff}
.offcanvas .offcanvas-header{border-bottom:1px solid #39463d}
.offcanvas .btn-close{filter:invert(1)}
.mobile-links a{display:block;padding:14px 0;border-bottom:1px solid #39463d;color:#dce4dc;font-weight:700}
.mobile-links a:hover{color:var(--lime)}
@media(max-width:1199px){
 .navlinks{gap:13px}.filter-row{grid-template-columns:1fr 1fr 1fr;}.filter-row .search-box{grid-column:span 2}
}
@media(max-width:991px){
 .navlinks,.mainnav .btn-main{display:none}.nav-toggle{display:block}
 .mainnav .container{padding:0 20px}
 .section{padding:70px 0}.step-grid{grid-template-columns:repeat(2,1fr);gap:28px}
 .step{border-top:0;border-left:2px solid #647269;padding:0 0 20px 20px}
 .step:not(:last-child):after{left:-6px;right:auto;top:0}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
 .topbar{height:auto;padding:7px 0}.topbar .container{gap:5px;flex-wrap:wrap}
 .toplinks{gap:10px}.toplinks a{display:none}
 .page-banner{padding:54px 0 58px}.page-banner h1{letter-spacing:-1px}
 .section{padding:56px 0}.section-head{display:block}.section-head p{margin-top:14px}
 .filter-row{grid-template-columns:1fr 1fr}.filter-row .search-box{grid-column:span 2}.filter-row .btn-main{grid-column:span 2}
 .knowledge-item{grid-template-columns:1fr;gap:12px}.knowledge-item img{height:210px}
 .item-body{padding:4px 8px 12px}.item-body h3{font-size:20px}
 .step-board{padding:26px 20px}.step-grid{grid-template-columns:1fr}
 .tip-grid{grid-template-columns:1fr}.more-box{display:block}.more-box .btn-dark{margin-top:18px}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:575px){
 .container{padding-left:18px;padding-right:18px}
 .brand{font-size:18px}.brand-mark{width:31px;height:31px}
 .topbar{font-size:11px}.toplinks{font-size:11px}
 .page-banner h1{font-size:38px}.page-banner p{font-size:15px}
 .filter-row{grid-template-columns:1fr}.filter-row .search-box,.filter-row .btn-main{grid-column:auto}
 .knowledge-item{padding:10px}.knowledge-item img{height:180px}
 .faq-wrap{padding:8px 17px}.accordion-button{font-size:14px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}