/* roulang page: index */
:root{--ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;--mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;--lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;--radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,245,61,.7);outline-offset:3px}.container{max-width:1240px}.topbar{background:var(--deep);color:#d4dfda;font-size:12px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}.trusts,.contact-mini{display:flex;align-items:center;gap:14px;white-space:nowrap}.trusts span:before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;background:var(--lime);border-radius:50%}.site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-nav .navbar{min-height:76px}.brand{font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink)}.brand b{color:#0a8171}.navbar-nav{gap:5px}.nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}.nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}.btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#84908c;color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);border-color:var(--ink)}.navbar-toggler{border:1px solid var(--line);padding:9px}.section{padding:96px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4vw,56px);line-height:1.16;font-weight:800;letter-spacing:-2px}h2{font-size:clamp(27px,3vw,40px);line-height:1.25;font-weight:800;letter-spacing:-1px}h3{font-size:19px;font-weight:800;line-height:1.4}.lead{color:var(--muted);max-width:720px;font-size:16px}.hero{min-height:650px;background:var(--deep);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,20,18,.97) 0%,rgba(12,20,18,.84) 47%,rgba(12,20,18,.24) 100%)}.hero:after{content:"";position:absolute;width:64%;height:120%;right:-22%;top:-15%;background:linear-gradient(130deg,rgba(184,245,61,.16),transparent 55%);clip-path:polygon(30% 0,100% 0,100% 100%,0 100%)}.hero .carousel,.hero .carousel-inner,.hero .carousel-item{height:650px}.hero-slide{height:650px;background-position:center;background-size:cover}.hero-content{height:100%;position:relative;z-index:2;display:flex;align-items:center;color:#fff}.hero-copy{max-width:735px;padding:50px 58px 50px 0}.hero .eyebrow{color:var(--lime)}.hero p{color:#d3ded9;max-width:680px;font-size:16px}.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin:23px 0}.tag{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.26);border-radius:30px;padding:5px 10px;font-size:12px;color:#e5efea}.hero .btn-primary{background:var(--lime);border-color:var(--lime);color:#15211d}.carousel-control-prev,.carousel-control-next{width:8%;z-index:5}.carousel-indicators [data-bs-target]{width:28px;height:3px;border:0;background:var(--lime)}.intro-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center}.image-frame{position:relative}.image-frame img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);filter:saturate(.85)}.image-frame:after{content:"CAN / OBD / T-BOX";position:absolute;left:18px;bottom:18px;background:var(--deep);color:var(--lime);font:700 12px monospace;letter-spacing:1px;padding:8px 12px}.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}.spec{border:1px solid var(--line);padding:16px;border-radius:10px;background:#fff}.spec b{display:block;font-size:13px}.spec small{color:var(--muted);font-size:12px}.module-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:16px}.module{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:180px;transition:.22s;position:relative;overflow:hidden}.module:hover{border-color:var(--teal);transform:translateY(-4px);box-shadow:var(--shadow)}.module.big{grid-row:span 2;background:var(--graphite);color:#fff;min-height:376px;display:flex;flex-direction:column;justify-content:end;background-image:linear-gradient(155deg,transparent 20%,rgba(184,245,61,.15)),url('/assets/images/coverpic/cover-2.webp');background-size:cover;background-position:center}.module.big:before{content:"车辆实时状态";position:absolute;top:26px;left:25px;color:var(--lime);font:700 12px monospace}.module p{font-size:13px;color:var(--muted);margin:8px 0}.module.big p{color:#dce5e1}.status{font-size:11px;font-weight:800;color:#078b78;letter-spacing:.5px}.dark-section{background:var(--graphite);color:#fff;overflow:hidden}.dark-section .lead{color:#c0ccc7}.advantage{border-top:1px solid var(--line);padding:23px 6px}.advantage b{font:800 13px monospace;color:var(--teal)}.advantage p{font-size:13px;color:var(--muted);margin:8px 0 0}.route{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:42px}.route-card{position:relative;padding:0 14px}.route-card:before{content:"";position:absolute;top:22px;left:0;right:0;border-top:1px dashed #93a09b}.route-card:first-child:before{left:50%}.route-card:last-child:before{right:50%}.route-dot{position:relative;width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--lime);font-weight:800;margin-bottom:18px}.route-card img{width:100%;height:145px;object-fit:cover;border-radius:10px;margin-bottom:14px}.route-card p{font-size:13px;color:var(--muted)}.showcase{background:#e4e8e3}.console{margin-top:35px;background:#151d1b;border:1px solid #42504a;border-radius:16px;padding:18px;box-shadow:0 28px 58px rgba(8,20,16,.22)}.console-main{position:relative}.console-main img{height:430px;width:100%;object-fit:cover;border-radius:8px;opacity:.93}.annotation{position:absolute;background:#f6fbf8;color:var(--ink);border-left:3px solid var(--lime);padding:9px 12px;font-size:12px;font-weight:800;box-shadow:var(--shadow)}.a1{left:3%;top:10%}.a2{right:3%;top:47%}.thumbs{display:flex;gap:10px;margin-top:14px;overflow:auto}.thumb{border:2px solid transparent;border-radius:7px;padding:0;background:none;flex:0 0 115px}.thumb.active,.thumb:hover{border-color:var(--lime)}.thumb img{height:67px;width:100%;object-fit:cover;border-radius:4px}.product-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:18px;align-items:stretch}.product{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:27px;display:flex;flex-direction:column}.product.featured{background:#dff4e9;border-color:#6fc5ae;transform:translateY(-14px)}.product ul{list-style:none;padding:0;margin:18px 0}.product li{font-size:13px;padding:8px 0;border-bottom:1px solid rgba(85,110,100,.16)}.product li:before{content:"✓";color:#078b78;font-weight:800;margin-right:8px}.case-data{font:800 clamp(38px,5vw,65px)/1 monospace;color:var(--lime)}.case-visual img{width:100%;height:390px;object-fit:cover;border-radius:14px;filter:grayscale(.25)}.story{display:grid;grid-template-columns:180px 1fr 140px;gap:25px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.story:last-child{border:0}.story .badge{background:#e1eee8;color:#087b6b;font-size:12px;padding:7px 10px}.story p{margin:0;color:var(--muted);font-size:14px}.story-result{font-weight:800;text-align:right;color:#057b6a}.stats{background:var(--deep);color:#fff;padding:48px 0}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.stat{border-left:1px solid #46524d;padding-left:18px}.number{display:block;font:800 36px/1 monospace;color:var(--lime)}.stat small{color:#bac7c1;font-size:12px}.reviews{background:#edf0ec}.review-wall{columns:3;column-gap:16px}.review{break-inside:avoid;background:#fff;border:1px solid var(--line);padding:19px;margin-bottom:16px;border-radius:12px;box-shadow:0 5px 16px rgba(18,32,27,.04)}.stars{color:var(--orange);letter-spacing:2px}.review p{font-size:13px;margin:10px 0;color:#4d5b56}.review small{color:var(--muted)}.quote-box{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px;height:100%;display:flex;flex-direction:column;justify-content:space-between}.quote-box blockquote{font-size:22px;line-height:1.55;font-weight:700;margin:0}.quote-box small{color:#b9cac2}.news-feature{background:var(--graphite);color:#fff;border-radius:14px;overflow:hidden;height:100%}.news-feature img{height:220px;width:100%;object-fit:cover}.news-feature div{padding:23px}.news-feature p,.news-item p{font-size:13px;color:#bfc9c4}.news-item{padding:19px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-item h3{font-size:16px;margin-bottom:5px}.accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px}.accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}.accordion-body{color:var(--muted);font-size:14px}.cta-band{margin-top:54px;background:var(--teal);border-radius:16px;padding:36px;color:#fff}.cta-band h2{font-size:31px}.form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}.footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin-bottom:16px}.footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer p{font-size:13px;color:#aab8b1}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}.copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px;color:#86958d}.offcanvas{background:var(--deep);color:#fff}.offcanvas .nav-link{color:#d9e5df!important}.modal-content{background:var(--deep)}.modal-body img{width:100%}
@media(max-width:991px){.navbar-nav{padding:18px 0}.hero,.hero .carousel,.hero .carousel-inner,.hero .carousel-item,.hero-slide{height:590px}.module-grid{grid-template-columns:1fr 1fr}.module.big{grid-row:auto;grid-column:span 2;min-height:280px}.route{grid-template-columns:repeat(3,1fr);gap:24px}.route-card:before{display:none}.product-grid{grid-template-columns:1fr}.product.featured{transform:none}.stats-grid{grid-template-columns:repeat(3,1fr)}.story{grid-template-columns:150px 1fr}.story-result{text-align:left}.review-wall{columns:2}}
@media(max-width:767px){.topbar .container{justify-content:center}.trusts span:not(:first-child),.contact-mini span:not(:first-child){display:none}.site-nav .navbar{min-height:65px}.section{padding:64px 0}.hero,.hero .carousel,.hero .carousel-inner,.hero .carousel-item,.hero-slide{height:620px}.hero-slide{background-position:65% center}.hero-copy{padding:45px 10px}.hero p{font-size:14px}.intro-grid{grid-template-columns:1fr;gap:28px}.image-frame img{height:285px}.spec-list{grid-template-columns:1fr}.module-grid{grid-template-columns:1fr}.module.big{grid-column:auto}.route{grid-template-columns:1fr 1fr}.route-card{padding:0}.route-card img{height:110px}.console-main img{height:280px}.annotation{font-size:10px}.a2{bottom:6%;top:auto}.case-visual{margin-top:28px}.case-visual img{height:260px}.story{grid-template-columns:1fr;gap:10px}.stats-grid{grid-template-columns:1fr 1fr;gap:25px}.number{font-size:30px}.review-wall{columns:1}.footer-form{flex-direction:column}.cta-band{padding:27px 22px}.cta-band h2{font-size:26px}}

/* roulang page: category1 */
:root{--ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;--mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;--lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;--radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,245,61,.78);outline-offset:3px}.container{max-width:1240px}.topbar{background:var(--deep);color:#d4dfda;font-size:12px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}.trust-list{display:flex;gap:14px;align-items:center;white-space:nowrap}.trust-list span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:6px}.top-contact{white-space:nowrap;color:#bfcac5}.site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-nav .navbar{min-height:76px}.brand{display:inline-block;font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink)}.brand b{color:#0a8171}.navbar-nav{gap:5px}.nav{flex-direction:row!important}.nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}.nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}.btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#84908c;color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);border-color:var(--ink);color:#fff}.navbar-toggler{border:1px solid var(--line);padding:9px}.offcanvas{background:var(--paper)}.offcanvas .nav{flex-direction:column!important;align-items:stretch}.section{padding:92px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}.section-title{font-size:clamp(27px,3vw,42px);line-height:1.25;font-weight:800;letter-spacing:-1px;margin:12px 0 15px}.lead{color:var(--muted);font-size:16px;max-width:760px}.page-head{padding:66px 0 58px;background-color:#e9eeea;background-image:linear-gradient(rgba(25,189,163,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(25,189,163,.08) 1px,transparent 1px);background-size:28px 28px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-head:after{content:"";width:460px;height:460px;border:1px solid rgba(25,189,163,.25);border-radius:50%;position:absolute;right:-160px;top:-280px}.breadcrumb{font-size:13px;margin-bottom:21px}.breadcrumb-item+.breadcrumb-item:before{color:#80908a}.breadcrumb-item.active{color:var(--muted)}.page-head h1{position:relative;z-index:1;font-size:clamp(32px,4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-1.8px;max-width:760px}.result-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.status-pill,.tag{display:inline-flex;align-items:center;gap:6px;border:1px solid #cbd9d3;border-radius:30px;padding:5px 11px;background:#fff;color:#346058;font-size:12px;font-weight:700}.status-pill:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}.channel-nav{padding:25px 0;border-bottom:1px solid var(--line);background:#fff}.channel-links{display:flex;gap:10px;overflow:auto;padding-bottom:3px}.channel-links a{white-space:nowrap;padding:9px 15px;border:1px solid var(--line);border-radius:9px;background:var(--paper);font-size:13px;font-weight:800;transition:.2s}.channel-links a:hover,.channel-links a.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}.module-architecture{display:grid;grid-template-columns:1.3fr .9fr .9fr;gap:16px}.module-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:24px;min-height:225px;position:relative;overflow:hidden;box-shadow:0 4px 15px rgba(23,32,31,.03);transition:.25s ease}.module-card:hover{border-color:var(--teal);transform:translateY(-5px);box-shadow:var(--shadow)}.module-card.feature{grid-row:span 2;min-height:466px;background:var(--graphite);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}.module-card.feature:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,23,22,.05),rgba(16,23,22,.91)),url('/assets/images/coverpic/cover-1.webp') center/cover}.module-card>*{position:relative;z-index:1}.module-index{font:800 12px monospace;color:var(--teal);letter-spacing:1px}.feature .module-index{color:var(--lime)}.module-icon{width:42px;height:42px;margin:18px 0;display:grid;place-items:center;border:1px solid #c6e6dc;border-radius:10px;color:#087d6d;font-size:19px}.feature .module-icon{background:rgba(184,245,61,.12);border-color:rgba(184,245,61,.35);color:var(--lime)}.module-card h3{font-size:20px;font-weight:800;margin:0 0 9px}.module-card p{font-size:13px;color:var(--muted);margin:0}.feature p{color:#d3dfd9}.micro{font-size:11px;font-weight:800;color:#087b6b;margin-top:17px;display:block}.feature .micro{color:var(--lime)}.parameter-wrap{margin-top:42px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.parameter-title{padding:18px 22px;background:#f1f4f1;border-bottom:1px solid var(--line);font-weight:800}.parameter-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr)}.parameter-grid div{padding:15px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px}.parameter-grid div:nth-child(4n){border-right:0}.parameter-grid .head{background:#182321;color:#dce8e3;font-size:12px;font-weight:800}.parameter-grid .ok{color:#087a69;font-weight:800}.filter-section{background:var(--mist)}.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:21px;box-shadow:0 5px 18px rgba(17,28,25,.04)}.filter-label{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:.5px;margin-bottom:9px}.filter-options{display:flex;flex-wrap:wrap;gap:8px}.filter-options button{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;padding:8px 12px;font-size:13px;font-weight:700;transition:.2s}.filter-options button:hover,.filter-options button.active{background:#e2f4ed;border-color:#8bcdbd;color:#087565}.compare-card{background:var(--deep);height:100%;border-radius:var(--radius);padding:25px;color:#fff}.compare-card h3{font-size:20px;font-weight:800}.compare-card li{list-style:none;border-top:1px solid #33413c;padding:12px 0;color:#c7d3ce;font-size:13px}.compare-card li b{float:right;color:var(--lime)}.feature-band{background:var(--graphite);color:#fff;overflow:hidden}.feature-band .lead{color:#c6d0cb}.focus-media{height:100%;min-height:390px;border-radius:var(--radius);object-fit:cover;filter:saturate(.78)}.focus-copy{padding:9px 0 9px 26px}.focus-copy h3{font-size:29px;font-weight:800}.check-list{padding:0;margin:23px 0}.check-list li{list-style:none;padding:10px 0 10px 29px;border-bottom:1px solid #41504a;color:#d0ddd7;font-size:14px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:800}.verify-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:34px}.verify-item{padding:25px 21px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.verify-item strong{display:block;font:800 16px monospace;color:var(--teal);margin-bottom:14px}.verify-item h3{font-size:16px;font-weight:800}.verify-item p{font-size:13px;color:var(--muted);margin:0}.faq-section{background:#f0f3ef}.accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px}.accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}.accordion-body{color:var(--muted);font-size:14px}.cta-band{background:var(--teal);border-radius:16px;padding:39px;color:#fff;position:relative;overflow:hidden}.cta-band:after{content:"";position:absolute;right:-40px;bottom:-90px;width:260px;height:260px;border:36px solid rgba(184,245,61,.2);border-radius:50%}.cta-band>*{position:relative;z-index:1}.cta-band h2{font-size:30px;font-weight:800;margin-bottom:8px}.cta-band p{margin:0;color:#e2fffa}.form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}.footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin-bottom:16px}.footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer p{font-size:13px;color:#aab8b1}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}.copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px;color:#91a099}
@media(max-width:991px){.module-architecture{grid-template-columns:1fr 1fr}.module-card.feature{grid-row:span 1;grid-column:span 2;min-height:380px}.focus-copy{padding:35px 0 0}.verify-grid{grid-template-columns:1fr 1fr}.topbar .container{justify-content:center}.trust-list{display:none}.site-nav .navbar{min-height:68px}.navbar-collapse{display:none!important}.nav{flex-direction:column!important}.section{padding:68px 0}.parameter-grid{grid-template-columns:1.1fr 1fr 1fr}.parameter-grid div:nth-child(4n){border-right:1px solid var(--line)}.parameter-grid div:nth-child(3n){border-right:0}.parameter-grid .head:nth-child(4){display:none}}@media(max-width:767px){body{font-size:14px}.top-contact{font-size:11px}.page-head{padding:46px 0}.page-head h1{font-size:32px}.section{padding:58px 0}.module-architecture{grid-template-columns:1fr}.module-card.feature{grid-column:auto;min-height:350px}.module-card{min-height:210px}.parameter-wrap{overflow:auto}.parameter-grid{min-width:650px}.filter-panel{margin-bottom:14px}.verify-grid{grid-template-columns:1fr}.cta-band{padding:29px 23px}.cta-band h2{font-size:25px}.footer-form{flex-direction:column}.channel-nav{padding:18px 0}.btn{min-height:44px}.accordion-button{min-height:54px;padding:14px 16px;font-size:14px}}@media(max-width:420px){.brand{font-size:17px}.top-contact{white-space:normal;text-align:center}.page-head h1{font-size:29px}.section-title{font-size:26px}.result-bar{gap:6px}}

/* roulang page: category2 */
:root{--ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;--mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;--lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;--radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,245,61,.72);outline-offset:3px}.container{max-width:1240px}
.topbar{background:var(--deep);color:#d4dfda;font-size:12px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}.trust-tags{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.trust-tags span:before{content:"•";color:var(--lime);margin-right:6px}.top-contact{white-space:nowrap;color:#c9d5d0}
.site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-nav .navbar{min-height:76px}.brand{font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink);display:inline-block}.brand b{color:#0a8171}.navbar-nav{gap:5px}.nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}.nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}.navbar-toggler{border:1px solid var(--line);padding:9px;border-radius:9px}.navbar-toggler-icon{width:1.25em;height:1.25em}
.btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#84908c;color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);border-color:var(--ink);color:#fff}.btn-lime{background:var(--lime);border-color:var(--lime);color:var(--deep)}.btn-lime:hover{background:#d0ff70;border-color:#d0ff70;transform:translateY(-2px)}
.section{padding:92px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}h1,h2,h3,h4{font-weight:800;letter-spacing:-.5px;color:var(--ink)}h1{font-size:clamp(32px,4vw,52px);line-height:1.18}h2{font-size:clamp(26px,3vw,36px);line-height:1.25}.lead{color:var(--muted);max-width:760px;font-size:16px}
.page-head{padding:66px 0 72px;position:relative;overflow:hidden;background:linear-gradient(130deg,#eaf0eb 0%,#f7f7f4 58%,#dfe9e2 100%);border-bottom:1px solid var(--line)}.page-head:before{content:"";position:absolute;inset:0;opacity:.45;background-image:linear-gradient(rgba(25,189,163,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(25,189,163,.12) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,#000,transparent 78%)}.page-head .container{position:relative}.breadcrumb{font-size:13px;margin-bottom:18px}.breadcrumb-item a{color:#087c6d}.breadcrumb-item+.breadcrumb-item:before{color:#8b9691}.head-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:23px}.meta-pill,.status{border:1px solid #bfd3ca;background:rgba(255,255,255,.66);border-radius:20px;padding:5px 11px;color:#45615a;font-size:12px;font-weight:700}
.channel-nav{padding:28px 0;background:#fff;border-bottom:1px solid var(--line)}.channel-list{display:flex;gap:10px;flex-wrap:wrap}.channel-list a{padding:10px 15px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:14px;font-weight:800;transition:.2s}.channel-list a:hover,.channel-list a.current{background:var(--ink);color:#fff;border-color:var(--ink)}
.solution-grid{display:grid;grid-template-columns:1.08fr .92fr .92fr;gap:18px}.solution-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 20px rgba(20,32,29,.035);transition:.24s;min-height:280px;display:flex;flex-direction:column}.solution-card:hover{transform:translateY(-5px);border-color:#69bba9;box-shadow:var(--shadow)}.solution-card.featured{grid-row:span 2;background:var(--graphite);color:#fff;min-height:578px;position:relative;overflow:hidden}.solution-card.featured:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(184,245,61,.32);border-radius:50%;right:-90px;bottom:-115px}.solution-card h3{font-size:21px}.solution-card.featured h3{color:#fff;font-size:28px}.solution-card p{color:var(--muted);font-size:14px}.solution-card.featured p{color:#c4d0cb}.card-num{font:800 13px monospace;color:var(--teal);letter-spacing:1px}.solution-card.featured .card-num{color:var(--lime)}.flow-list{list-style:none;padding:0;margin:18px 0 0}.flow-list li{display:flex;gap:10px;padding:9px 0;border-top:1px solid rgba(216,222,216,.72);font-size:13px}.featured .flow-list li{border-color:rgba(255,255,255,.13)}.flow-list b{color:var(--teal);font-family:monospace}.featured .flow-list b{color:var(--lime)}.solution-card .btn{margin-top:auto;align-self:flex-start}
.filter-section{background:var(--mist)}.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.filter-group{padding:6px 0 19px;border-bottom:1px solid var(--line);margin-bottom:18px}.filter-group:last-child{border:0;margin:0;padding-bottom:0}.filter-label{font-size:13px;font-weight:800;margin-bottom:10px}.filter-options{display:flex;flex-wrap:wrap;gap:8px}.filter-options span{font-size:13px;padding:7px 11px;border-radius:6px;background:#f2f5f2;border:1px solid #e1e7e1}.filter-options span.selected{background:#dbf3e9;border-color:#8cccc0;color:#087564;font-weight:800}.compare-table{width:100%;font-size:13px;margin:0}.compare-table th{background:#1f2927;color:#fff;font-weight:700;padding:13px}.compare-table td{padding:13px;border-color:var(--line);vertical-align:middle;color:#55625e}.compare-table td:first-child{font-weight:800;color:var(--ink)}
.module-showcase{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center}.showcase-image{position:relative}.showcase-image img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);filter:saturate(.82)}.image-note{position:absolute;right:18px;bottom:18px;background:rgba(16,23,22,.92);color:#fff;padding:13px 16px;border-left:3px solid var(--lime);font-size:13px;max-width:250px}.module-list{display:grid;gap:12px}.module-item{display:flex;gap:16px;padding:17px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.2s}.module-item:hover{border-color:var(--teal);transform:translateX(4px)}.module-icon{flex:0 0 38px;height:38px;border-radius:8px;background:#e1f3eb;color:#087c6d;display:grid;place-items:center;font-weight:800;font-family:monospace}.module-item h3{font-size:16px;margin:0 0 3px}.module-item p{font-size:13px;color:var(--muted);margin:0}
.verify-section{background:var(--graphite);color:#fff;overflow:hidden}.verify-section h2{color:#fff}.verify-section .lead{color:#c5d0cb}.verify-step{border-top:1px solid rgba(255,255,255,.18);padding:23px 5px;min-height:162px}.verify-step b{font:800 13px monospace;color:var(--lime)}.verify-step h3{color:#fff;font-size:18px;margin:8px 0}.verify-step p{font-size:13px;color:#bdc9c4;margin:0}.verify-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:30px}.verify-tags span{border:1px solid rgba(184,245,61,.42);color:#dfffa1;border-radius:20px;padding:5px 10px;font-size:12px}
.accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px}.accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}.accordion-body{color:var(--muted);font-size:14px}.faq-aside{background:#e2eee7;border-radius:var(--radius);padding:30px;height:100%}.faq-aside p{color:#596762;font-size:14px}.faq-aside .contact-line{border-top:1px solid #bed1c6;margin-top:18px;padding-top:16px;font-weight:800;color:#1c4c42}
.cta-wrap{padding-bottom:100px}.cta-band{background:var(--teal);border-radius:16px;padding:42px;color:#fff;position:relative;overflow:hidden}.cta-band:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.28);border-radius:50%;right:-80px;top:-120px}.cta-band h2{color:#fff;font-size:32px;position:relative;z-index:1}.cta-band p{color:#e4fffa;position:relative;z-index:1}.cta-band .row{position:relative;z-index:1}.form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}.form-note{font-size:12px;color:#d9fffa;margin-top:10px}
.footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin-bottom:16px}.footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer p{font-size:13px;color:#aab8b1}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}.copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px;color:#8f9d96}
.offcanvas{background:var(--paper)}.offcanvas .nav-link{display:block;padding:13px!important;margin-bottom:4px}.mobile-contact{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}
@media(max-width:991px){.site-nav .navbar{min-height:68px}.solution-grid{grid-template-columns:1fr 1fr}.solution-card.featured{grid-row:auto;grid-column:span 2;min-height:auto}.module-showcase{grid-template-columns:1fr}.showcase-image img{height:360px}.section{padding:72px 0}.compare-table{min-width:680px}.table-responsive{border-radius:10px;border:1px solid var(--line)}}@media(max-width:767px){body{font-size:14px}.topbar .container{justify-content:center;padding:7px 14px}.trust-tags{justify-content:center}.top-contact{display:none}.page-head{padding:48px 0 52px}.section{padding:58px 0}.channel-list{flex-wrap:nowrap;overflow:auto;padding-bottom:5px}.channel-list a{white-space:nowrap}.solution-grid{grid-template-columns:1fr}.solution-card.featured{grid-column:auto}.solution-card{min-height:auto}.module-showcase{gap:24px}.showcase-image img{height:280px}.cta-band{padding:29px 23px}.cta-band h2{font-size:26px}.footer{padding-top:52px}.footer-form{flex-direction:column}.btn{min-height:44px}.breadcrumb{font-size:12px}}@media(max-width:400px){.brand{font-size:16px}.page-head h1{font-size:30px}.filter-panel{padding:18px}.image-note{left:12px;right:12px;bottom:12px}.showcase-image img{height:245px}}

/* roulang page: category3 */
:root{--ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;--mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;--lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;--radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,245,61,.72);outline-offset:3px}.container{max-width:1240px}
.topbar{background:var(--deep);color:#d4dfda;font-size:12px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}.trust-tags{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.trust-tags span:before{content:"•";color:var(--lime);padding-right:6px}.top-contact{white-space:nowrap;color:#b7c6bf}
.site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-nav .navbar{min-height:76px}.brand{display:inline-block;font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink)}.brand b{color:#0a8171}.navbar-nav{gap:4px;align-items:center}.nav.flex-column{flex-direction:row!important}.nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}.nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}.navbar-toggler{border:1px solid var(--line);padding:9px;border-radius:9px}.navbar-toggler:focus{box-shadow:0 0 0 .22rem rgba(25,189,163,.18)}
.btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease;border-width:1px}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#84908c;color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}.btn-lime{background:var(--lime);border-color:var(--lime);color:var(--deep)}.btn-lime:hover{background:#d0ff6a;border-color:#d0ff6a;color:var(--deep);transform:translateY(-2px)}
.section{padding:92px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}.section-title{font-size:clamp(27px,3.2vw,42px);line-height:1.25;letter-spacing:-1.2px;font-weight:800;margin:12px 0 14px}.lead{color:var(--muted);max-width:720px;font-size:16px}.page-head{padding:64px 0 60px;background-color:#e9eeea;background-image:linear-gradient(rgba(23,32,31,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,32,31,.055) 1px,transparent 1px);background-size:24px 24px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-head:after{content:"";position:absolute;width:350px;height:350px;right:8%;top:-190px;border:1px solid rgba(25,189,163,.35);border-radius:50%;box-shadow:0 0 0 34px rgba(25,189,163,.05),0 0 0 68px rgba(25,189,163,.035)}.breadcrumb{margin:0 0 18px;font-size:13px;position:relative;z-index:1}.breadcrumb-item+.breadcrumb-item:before{color:#81908a}.breadcrumb a{color:#087e6e}.page-head h1{position:relative;z-index:1;font-size:clamp(34px,4.4vw,56px);line-height:1.16;letter-spacing:-2px;font-weight:800;margin:0 0 15px}.page-head p{position:relative;z-index:1;max-width:780px;color:var(--muted);font-size:16px}.result-chip{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #b7ccc1;background:rgba(255,255,255,.7);border-radius:7px;font-size:12px;font-weight:800;color:#356157}.result-chip i{width:7px;height:7px;background:var(--teal);border-radius:50%;display:inline-block}
.channel-nav{padding:26px 0;background:#fff;border-bottom:1px solid var(--line)}.channel-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.channel-label{font-weight:800;font-size:13px;margin-right:4px}.channel-link{padding:8px 13px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:13px;font-weight:700;color:#52615b;transition:.2s}.channel-link:hover,.channel-link.active{background:#e2f4eb;border-color:#8acbb9;color:#087a6a}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}.scene-card{min-height:348px;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--deep);color:#fff;isolation:isolate;box-shadow:var(--shadow);transition:.25s ease}.scene-card.large{grid-row:span 2;min-height:714px}.scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.78;transition:.5s ease;z-index:-2}.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,17,15,.06) 15%,rgba(9,17,15,.92) 100%);z-index:-1}.scene-card:hover{transform:translateY(-5px);box-shadow:0 20px 42px rgba(19,31,28,.18)}.scene-card:hover img{transform:scale(1.045);opacity:.92}.scene-content{height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px}.scene-number{font:700 12px monospace;color:var(--lime);letter-spacing:1px}.scene-card h2,.scene-card h3{font-size:25px;font-weight:800;line-height:1.25;margin:10px 0}.scene-card h3{font-size:20px}.scene-card p{font-size:13px;color:#d6e2dc;margin:0 0 15px}.scene-tags{display:flex;gap:7px;flex-wrap:wrap}.scene-tags span{border:1px solid rgba(255,255,255,.35);border-radius:20px;padding:3px 8px;font-size:11px;color:#e6efeb}
.filter-section{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 8px 22px rgba(19,31,28,.04)}.filter-panel h2{font-size:17px;font-weight:800;margin:0}.filter-set{display:flex;flex-wrap:wrap;gap:9px}.filter-option{display:inline-flex;align-items:center;min-height:38px;padding:7px 12px;border:1px solid #d4ddd7;border-radius:7px;background:#fafbf9;font-size:13px;color:#51605a;cursor:pointer;transition:.2s}.filter-option input{position:absolute;opacity:0}.filter-option:hover,.filter-option:has(input:checked){border-color:#45ae99;background:#e1f5ed;color:#087b6b;font-weight:700}.compare-table{overflow-x:auto;margin-top:28px}.compare-table table{min-width:760px;width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:13px}.compare-table th{background:#1d2926;color:#fff;font-weight:700}.compare-table th,.compare-table td{padding:14px 16px;border-right:1px solid #dfe5e0;border-bottom:1px solid #dfe5e0;text-align:left}.compare-table td:first-child{font-weight:800;color:var(--ink)}.mark{color:#087d6c;font-weight:800}
.feature-split{display:grid;grid-template-columns:1.06fr .94fr;gap:38px;align-items:center}.feature-image{position:relative}.feature-image img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);filter:saturate(.82)}.feature-note{position:absolute;right:-20px;bottom:24px;max-width:250px;padding:16px;background:var(--deep);color:#fff;border-left:4px solid var(--lime);box-shadow:var(--shadow)}.feature-note strong{display:block;color:var(--lime);font:800 20px monospace}.module-list{border-top:1px solid var(--line);margin-top:24px}.module-item{display:grid;grid-template-columns:48px 1fr auto;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.module-code{width:40px;height:40px;display:grid;place-items:center;background:#e1f2eb;color:#087d6d;font:800 12px monospace;border-radius:8px}.module-item h3{font-size:16px;font-weight:800;margin:0 0 2px}.module-item p{font-size:13px;color:var(--muted);margin:0}.module-state{font-size:11px;color:#087d6d;border:1px solid #b7ddcf;padding:3px 7px;border-radius:20px}
.verify-area{background:var(--graphite);color:#fff;overflow:hidden}.verify-area .lead{color:#c3d0ca}.verify-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}.verify-step{padding:22px 18px;border:1px solid #40504a;position:relative;background:rgba(255,255,255,.025)}.verify-step:before{content:attr(data-no);display:block;font:800 13px monospace;color:var(--lime);margin-bottom:28px}.verify-step h3{font-size:17px;font-weight:800;margin-bottom:9px}.verify-step p{font-size:13px;color:#c1cdc7;margin:0}.verify-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.verify-meta span{padding:7px 10px;border:1px solid #4c5e57;color:#d2ded8;font-size:12px;border-radius:5px}.verify-meta strong{color:var(--lime)}
.accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px}.accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}.accordion-body{color:var(--muted);font-size:14px}.cta-band{background:var(--teal);border-radius:16px;padding:38px;color:#fff;position:relative;overflow:hidden}.cta-band:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.25);border-radius:50%;right:-95px;top:-110px;box-shadow:0 0 0 32px rgba(255,255,255,.08)}.cta-band h2{position:relative;z-index:1;font-size:31px;font-weight:800;margin:0 0 8px}.cta-band p{position:relative;z-index:1;margin:0;color:#e1fffa}.cta-form{position:relative;z-index:1}.form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}.form-note{font-size:12px;color:#e5fffa;margin-top:9px}
.footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin-bottom:16px}.footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer p{font-size:13px;color:#aab8b1}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}.footer-form .btn{white-space:nowrap}.copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px;color:#91a098}
.offcanvas{background:var(--paper)}.offcanvas .nav.flex-column{flex-direction:column!important;align-items:stretch}.offcanvas .nav-link{padding:12px!important}.mobile-contact{padding:18px;background:#e5efe9;border-radius:10px;font-size:13px;color:#4b5b54}
@media(max-width:991px){.section{padding:70px 0}.scene-grid{grid-template-columns:1fr 1fr}.scene-card.large{grid-row:span 1;min-height:470px;grid-column:span 2}.feature-split{grid-template-columns:1fr}.feature-image img{height:350px}.feature-note{right:14px}.verify-steps{grid-template-columns:1fr 1fr}.navbar-nav{display:none}.top-contact{display:none}}
@media(max-width:767px){body{font-size:14px}.topbar .container{justify-content:center}.trust-tags span:nth-child(3){display:none}.site-nav .navbar{min-height:66px}.section{padding:58px 0}.page-head{padding:46px 0}.page-head h1{font-size:35px}.page-head:after{right:-160px}.channel-row{align-items:flex-start}.channel-label{width:100%}.channel-link{font-size:12px;padding:7px 10px}.scene-grid{grid-template-columns:1fr}.scene-card,.scene-card.large{grid-column:auto;min-height:335px}.scene-card.large{min-height:420px}.scene-content{padding:22px}.filter-panel{padding:17px}.feature-image img{height:300px}.feature-note{position:relative;right:auto;bottom:auto;margin:-20px 16px 0}.module-item{grid-template-columns:42px 1fr}.module-state{display:none}.verify-steps{grid-template-columns:1fr}.cta-band{padding:28px 22px}.cta-band h2{font-size:25px}.footer{padding-top:52px}.footer-form{flex-direction:column}.footer-form .btn{width:100%}}
@media(max-width:420px){.brand{font-size:17px}.page-head h1{font-size:31px}.scene-card h2{font-size:23px}.btn{padding:10px 14px}.result-chip{font-size:11px}}

/* roulang page: category5 */
:root{--ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;--mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;--lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;--radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}a{text-decoration:none;color:inherit;transition:.22s ease}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,245,61,.72);outline-offset:3px}.container{max-width:1240px}.topbar{background:var(--deep);color:#d4dfda;font-size:12px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}.trust-list{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.trust-list span:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--lime);margin-right:6px;vertical-align:middle}.top-contact{white-space:nowrap;color:#c4d1cb}.site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-nav .navbar{min-height:76px}.brand{font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink);white-space:nowrap}.brand b{color:#0a8171}.navbar-nav{gap:5px}.nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}.nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}.btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease}.btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}.btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#84908c;color:var(--ink)}.btn-outline-dark:hover{background:var(--ink);border-color:var(--ink);color:#fff}.navbar-toggler{border:1px solid var(--line);padding:9px;box-shadow:none!important}.section{padding:92px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}.lead{color:var(--muted);max-width:720px;font-size:16px}.page-head{padding:67px 0 60px;background-color:#e9eeea;background-image:linear-gradient(rgba(23,32,31,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,32,31,.055) 1px,transparent 1px);background-size:28px 28px;border-bottom:1px solid var(--line);overflow:hidden}.breadcrumb{font-size:13px;margin-bottom:18px}.breadcrumb-item+.breadcrumb-item:before{color:#7f8b87}.breadcrumb-item a{color:#087d6d}.page-head h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-1.7px;font-weight:800;margin:0 0 14px;color:var(--ink)}.page-head .head-inner{display:flex;align-items:end;justify-content:space-between;gap:30px}.result-chip{border:1px solid #b9c8c0;background:#f9fcf9;border-radius:10px;padding:12px 15px;min-width:210px;font-size:13px;color:var(--muted)}.result-chip b{color:#087c6d;font-size:18px;margin-right:6px}.channel-nav{padding:25px 0;border-bottom:1px solid var(--line);background:#fff}.channel-scroll{display:flex;gap:9px;overflow:auto;padding-bottom:2px}.channel-pill{border:1px solid var(--line);background:#fff;border-radius:30px;white-space:nowrap;padding:9px 15px;font-size:13px;font-weight:700;color:#52605a}.channel-pill:hover,.channel-pill.current{background:var(--ink);color:#fff;border-color:var(--ink)}.knowledge-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.featured-knowledge{background:var(--graphite);border-radius:var(--radius);overflow:hidden;color:#fff;min-height:405px;display:flex;flex-direction:column}.featured-knowledge img{height:210px;width:100%;object-fit:cover;opacity:.88}.featured-knowledge .content{padding:24px}.featured-knowledge p{color:#c7d2cc;font-size:14px;margin:8px 0 15px}.feature-meta,.article-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:12px;color:#aebbb5}.meta-badge{padding:3px 8px;border-radius:20px;background:rgba(184,245,61,.14);color:var(--lime);border:1px solid rgba(184,245,61,.22)}.article-stack{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 23px}.article-row{display:grid;grid-template-columns:82px 1fr auto;gap:15px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.article-row:last-child{border-bottom:0}.article-index{font:700 13px monospace;color:#0b8978}.article-row h3{font-size:16px;font-weight:800;margin:0 0 3px}.article-row p{font-size:13px;color:var(--muted);margin:0}.more-link{font-size:13px;font-weight:800;color:#087c6d;white-space:nowrap}.more-link:hover{color:#045e52;text-decoration:underline}.filter-shell{background:var(--mist);border:1px solid #dde3dd;border-radius:var(--radius);padding:28px}.filter-title{font-size:18px;font-weight:800;margin:0}.filter-group{border-top:1px solid #d6ddd7;padding-top:18px;margin-top:18px}.filter-label{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:.5px;margin-bottom:9px}.filter-options{display:flex;gap:9px;flex-wrap:wrap}.filter-option{border:1px solid #cfd9d2;background:#fff;border-radius:7px;padding:7px 11px;font-size:13px;color:#52615a}.filter-option.selected{border-color:var(--teal);color:#076e61;background:#e1f3ed}.compare-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.compare-panel h3{padding:21px 23px;margin:0;font-size:18px;border-bottom:1px solid var(--line)}.compare-list{list-style:none;padding:0;margin:0}.compare-list li{display:grid;grid-template-columns:145px 1fr;padding:14px 23px;border-bottom:1px solid #edf0ed;font-size:13px}.compare-list li:last-child{border:0}.compare-list span{color:var(--muted)}.module-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}.module-image{position:relative}.module-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius)}.image-note{position:absolute;right:-18px;bottom:24px;background:#fff;border-left:4px solid var(--lime);box-shadow:var(--shadow);padding:13px 17px;border-radius:6px;font-size:13px;font-weight:800}.module-list{list-style:none;padding:0;margin:25px 0 0}.module-list li{display:grid;grid-template-columns:37px 1fr;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.module-list li:last-child{border-bottom:0}.module-num{width:29px;height:29px;display:grid;place-items:center;background:#dff1e9;color:#087b6b;border-radius:5px;font:800 12px monospace}.module-list b{display:block;font-size:15px}.module-list p{font-size:13px;color:var(--muted);margin:2px 0 0}.verify-section{background:var(--graphite);color:#fff;overflow:hidden}.verify-section .lead{color:#bdcac4}.verify-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #46524e;border-radius:var(--radius);overflow:hidden;margin-top:35px}.verify-cell{padding:25px;border-right:1px solid #46524e;min-height:184px}.verify-cell:last-child{border:0}.verify-num{font:800 24px/1 monospace;color:var(--lime);display:block;margin-bottom:18px}.verify-cell h3{font-size:16px;font-weight:800}.verify-cell p{font-size:13px;color:#bdcac4;margin:5px 0 0}.verify-table{margin-top:20px;border-top:1px solid #4b5853;font-size:13px}.verify-table div{display:grid;grid-template-columns:170px 1fr;border-bottom:1px solid #43504b;padding:12px 0}.verify-table span{color:#adbbb5}.accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px;background:#fff}.accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}.accordion-body{color:var(--muted);font-size:14px}.cta-band{background:var(--teal);border-radius:16px;padding:39px;color:#fff}.cta-band h2{font-size:31px;font-weight:800;margin-bottom:8px}.cta-band p{margin:0;color:#e3fffa}.cta-form .form-control,.form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}.cta-form .form-control{background:#fff}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}.form-note{font-size:12px;color:#d6f5ef;margin-top:9px}.form-feedback{display:none;margin-top:12px;padding:9px 12px;border-radius:7px;background:#dff6ee;color:#075f52;font-size:13px;font-weight:700}.footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}.footer .brand{color:#fff}.footer h3{font-size:14px;color:#fff;margin-bottom:16px}.footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer p{font-size:13px;color:#aab8b1}.footer-form{display:flex;gap:8px}.footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}.copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px;color:#899891}
.offcanvas{background:var(--paper)}.offcanvas .nav-link{margin:3px 0}.mobile-contact{margin-top:22px;padding:18px;background:#e2eee8;border-radius:10px;font-size:13px;color:var(--muted)}
@media(max-width:991px){.topbar .container{padding-top:7px;padding-bottom:7px}.site-nav .navbar{min-height:67px}.navbar-collapse{padding:15px 0}.nav-link{padding:11px 12px!important}.page-head .head-inner{display:block}.result-chip{display:inline-block;margin-top:15px}.knowledge-layout,.module-showcase{grid-template-columns:1fr}.module-image img{height:330px}.verify-grid{grid-template-columns:1fr 1fr}.verify-cell:nth-child(2){border-right:0}.verify-cell:nth-child(-n+2){border-bottom:1px solid #46524e}.section{padding:72px 0}}
@media(max-width:767px){body{font-size:14px}.topbar .container{justify-content:center;text-align:center}.top-contact{display:none}.trust-list{justify-content:center}.page-head{padding:48px 0}.page-head h1{font-size:30px}.section{padding:58px 0}.lead{font-size:15px}.knowledge-layout{gap:16px}.featured-knowledge{min-height:0}.featured-knowledge img{height:190px}.article-stack{padding:3px 16px}.article-row{grid-template-columns:40px 1fr;padding:17px 0}.article-row .more-link{grid-column:2}.article-row h3{font-size:15px}.filter-shell{padding:21px}.compare-list li{grid-template-columns:112px 1fr;padding:13px 16px}.image-note{right:12px;bottom:14px}.verify-grid{grid-template-columns:1fr}.verify-cell,.verify-cell:nth-child(2){border-right:0;border-bottom:1px solid #46524e}.verify-cell:last-child{border-bottom:0}.verify-table div{grid-template-columns:1fr;gap:3px}.cta-band{padding:27px 22px}.cta-band h2{font-size:25px}.footer{padding-top:52px}.footer-form{flex-direction:column}.footer-form .btn{width:100%}}
@media(max-width:390px){.brand{font-size:16px}.page-head h1{font-size:27px}.channel-pill{padding:8px 12px}.article-row{gap:10px}.compare-list li{grid-template-columns:1fr}.btn{padding:10px 14px}}

/* roulang page: category4 */
:root{
            --ink:#17201f;--graphite:#222a29;--deep:#101716;--paper:#f7f7f4;
            --mist:#edf0ec;--line:#d8ded8;--text:#27302f;--muted:#65716e;
            --lime:#b8f53d;--teal:#19bda3;--orange:#f08b3e;--white:#fff;
            --radius:14px;--shadow:0 14px 32px rgba(19,31,28,.09);
            --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.75}
        a{text-decoration:none;color:inherit}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(184,245,61,.75);outline-offset:3px}
        .container{max-width:1240px}
        .topbar{background:var(--deep);color:#d4dfda;font-size:12px}
        .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:15px}
        .topbar span{white-space:nowrap}
        .site-nav{position:sticky;top:0;z-index:1040;background:rgba(247,247,244,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
        .site-nav .navbar{min-height:76px}
        .brand{font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--ink)}
        .brand b{color:#0a8171}
        .navbar-nav{gap:5px}
        .nav-link{color:var(--text)!important;font-size:14px;font-weight:700;padding:10px 12px!important;border-radius:8px}
        .nav-link:hover,.nav-link.active{color:#087c6d!important;background:#e3f3ec}
        .navbar-toggler{border:1px solid var(--line);padding:9px;border-radius:8px}
        .btn{border-radius:9px;padding:11px 18px;font-weight:800;font-size:14px;transition:.22s ease}
        .btn-primary{background:var(--teal);border-color:var(--teal);color:#fff}
        .btn-primary:hover,.btn-primary:active{background:#078e7a!important;border-color:#078e7a!important;transform:translateY(-2px)}
        .btn-outline-dark{border-color:#84908c;color:var(--ink)}
        .btn-outline-dark:hover{background:var(--ink);border-color:var(--ink);color:#fff}
        .btn-light{color:var(--ink);font-weight:800}
        .section{padding:92px 0;position:relative}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#087e6e;font-size:12px;font-weight:800;letter-spacing:1px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--teal)}
        h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.6px}
        h1{font-size:clamp(34px,5vw,62px);line-height:1.12;margin:16px 0}
        h2{font-size:clamp(27px,3vw,42px);line-height:1.2;margin:12px 0 16px}
        h3{font-size:19px;line-height:1.35}
        .lead{color:var(--muted);max-width:760px;font-size:16px}
        .page-head{padding:70px 0 64px;background-color:var(--mist);background-image:linear-gradient(rgba(255,255,255,.42) 1px,transparent 1px),linear-gradient(90deg,rgba(23,32,31,.06) 1px,transparent 1px);background-size:32px 32px;border-bottom:1px solid var(--line)}
        .crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
        .crumbs a{color:#087e6e;font-weight:700}
        .head-row{display:flex;justify-content:space-between;align-items:end;gap:30px}
        .head-meta{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
        .tag,.status{display:inline-flex;align-items:center;border-radius:30px;padding:6px 11px;font-size:12px;font-weight:700}
        .tag{border:1px solid var(--line);color:#50605a;background:#fff}
        .status{background:#dff4e9;color:#087b6b}
        .status.orange{background:#fff0e4;color:#a75419}
        .category-nav{display:flex;gap:10px;flex-wrap:wrap;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
        .category-nav a{padding:10px 16px;border-radius:9px;color:var(--muted);font-weight:800;font-size:14px}
        .category-nav a:hover,.category-nav a.active{background:var(--ink);color:var(--lime)}
        .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
        .case-card{display:grid;grid-template-columns:42% 58%;min-height:300px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(19,31,28,.05);transition:.25s ease}
        .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#8dcdbb}
        .case-card img{width:100%;height:100%;min-height:300px;object-fit:cover}
        .case-body{padding:25px}
        .case-kicker{font-size:12px;color:#087e6e;font-weight:800;letter-spacing:.5px}
        .case-body h3{margin:8px 0 10px}
        .case-body p{color:var(--muted);font-size:13px;margin:8px 0 16px}
        .case-label{font-size:12px;color:var(--muted);border-left:2px solid var(--teal);padding-left:9px;margin-top:12px}
        .case-result{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:15px;margin-top:18px}
        .case-result strong{display:block;color:var(--ink);font:800 22px monospace}
        .case-result span{font-size:11px;color:var(--muted)}
        .more-wrap{text-align:center;margin-top:30px}
        .compare{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .compare-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
        .compare-row{display:grid;grid-template-columns:1.4fr repeat(3,1fr);border-bottom:1px solid var(--line)}
        .compare-row:last-child{border-bottom:0}
        .compare-row>div{padding:15px 17px;border-right:1px solid var(--line);font-size:13px}
        .compare-row>div:last-child{border-right:0}
        .compare-head{background:var(--graphite);color:#fff;font-weight:800}
        .compare-head>div{color:#fff}
        .compare-row:not(.compare-head)>div:not(:first-child){color:#087e6e;font-weight:700}
        .recommend{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}
        .recommend-img{position:relative}
        .recommend-img img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius)}
        .data-stamp{position:absolute;bottom:18px;left:18px;background:var(--deep);color:#fff;padding:13px 17px;border-left:3px solid var(--lime);font-size:12px}
        .module-list{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:24px}
        .module-item{padding:16px;background:var(--mist);border-radius:10px;border:1px solid transparent}
        .module-item:hover{border-color:var(--teal);background:#e4f5ed}
        .module-item b{display:block;font-size:14px;color:var(--ink)}
        .module-item span{font-size:12px;color:var(--muted)}
        .verify{background:var(--graphite);color:#fff}
        .verify h2,.verify h3{color:#fff}
        .verify .lead{color:#c0ccc7}
        .verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
        .steps{display:grid;gap:18px}
        .step{display:grid;grid-template-columns:48px 1fr;gap:16px;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:18px}
        .step:last-child{border-bottom:0}
        .step-num{width:38px;height:38px;border:1px solid var(--lime);border-radius:50%;display:grid;place-items:center;color:var(--lime);font:800 14px monospace}
        .step p{color:#b9c8c1;font-size:13px;margin:3px 0 0}
        .verify-table{border:1px solid rgba(255,255,255,.18);border-radius:12px;overflow:hidden}
        .verify-table div{display:flex;justify-content:space-between;gap:20px;padding:14px 17px;border-bottom:1px solid rgba(255,255,255,.13);font-size:13px}
        .verify-table div:last-child{border-bottom:0}
        .verify-table span{color:#aabbb3}.verify-table b{color:var(--lime)}
        .faq-wrap{max-width:900px}
        .accordion-item{border:1px solid var(--line);border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}
        .accordion-button{font-weight:800;box-shadow:none!important;padding:17px 20px}
        .accordion-button:not(.collapsed){background:#e4f5ed;color:#096f61}
        .accordion-body{color:var(--muted);font-size:14px}
        .cta-band{margin-top:54px;background:var(--teal);border-radius:16px;padding:36px;color:#fff}
        .cta-band h2{font-size:31px;color:#fff;margin-top:0}
        .cta-band p{color:#e0faf2;margin-bottom:0}
        .cta-form{background:#fff;border-radius:12px;padding:18px}
        .form-control,.form-select{border:1px solid #cad3ce;border-radius:8px;padding:11px 12px}
        .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 .22rem rgba(25,189,163,.14)}
        .privacy{font-size:11px;color:#71807a;margin:8px 0 0}
        .footer{background:#101716;color:#cbd6d1;padding:68px 0 20px}
        .footer .brand{color:#fff}
        .footer h3{font-size:14px;color:#fff;margin-bottom:16px}
        .footer a{display:block;color:#aab8b1;font-size:13px;margin:8px 0}
        .footer a:hover{color:var(--lime)}
        .footer p{font-size:13px;color:#aab8b1}
        .footer-form{display:flex;gap:8px}
        .footer-form input{min-width:0;background:#1e2925;border:1px solid #43514b;color:#fff}
        .copyright{border-top:1px solid #33403a;margin-top:42px;padding-top:18px;font-size:12px}
        @media(max-width:991px){
            .navbar-nav{padding-top:15px}.head-row,.recommend,.verify-grid{grid-template-columns:1fr;display:grid}.head-meta{justify-content:flex-start}
            .case-grid{grid-template-columns:1fr}.case-card{grid-template-columns:35% 65%}
        }
        @media(max-width:767px){
            .topbar .container{padding-top:8px;padding-bottom:8px;align-items:flex-start;flex-direction:column;gap:2px}
            .section{padding:64px 0}.page-head{padding:48px 0}.page-head h1{font-size:37px}
            .case-card{display:block}.case-card img{height:210px;min-height:0}.case-body{padding:21px}
            .compare{overflow:hidden}.compare-box{overflow-x:auto}.compare-row{min-width:650px}
            .recommend-img img{height:280px}.module-list{grid-template-columns:1fr}
            .cta-band{padding:25px 20px}.cta-band h2{font-size:26px}
            .footer{padding-top:50px}
        }
        @media(max-width:520px){
            .brand{font-size:16px}.head-meta{gap:7px}.category-nav{padding:12px;gap:5px}.category-nav a{font-size:12px;padding:9px 10px}
            .case-result{gap:12px}.case-result strong{font-size:19px}
        }

/* 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}