/* roulang page: index */
:root{
 --ink:#202823;--muted:#69736c;--paper:#f4f5ef;--mist:#e8ece4;--line:#d8ded4;
 --green:#a8c957;--green-dark:#637d2e;--orange:#e49a52;--graphite:#202823;
 --radius:14px;--shadow:0 14px 34px rgba(36,50,40,.09);--ease:all .28s ease
}
*{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",Arial,sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;transition:var(--ease)}a:hover{color:var(--green-dark)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,201,87,.65);outline-offset:3px}.container{max-width:1240px}.topbar{background:var(--graphite);color:#dce4d8;font-size:13px;padding:7px 0}.topbar .top-inner{display:flex;justify-content:space-between;gap:20px}.topbar span+span{margin-left:22px}.site-nav{background:rgba(244,245,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}.nav-inner{min-height:76px;display:flex;align-items:center;gap:28px}.brand{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}.brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:9px;background:var(--green);color:var(--ink);border-radius:9px;font-size:17px}.navbar-nav{gap:7px}.nav-link{color:#526057!important;font-size:15px;padding:10px 13px!important;border-radius:9px}.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--ink)!important}.btn-main,.btn-outline,.btn-dark{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}.btn-main{background:var(--green);color:var(--ink)}.btn-main:hover{background:#bddc70;color:var(--ink);transform:translateY(-2px)}.btn-outline{border-color:#84907f;color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}.btn-dark{background:var(--graphite);color:var(--green)}.btn-dark:hover{background:#364139;color:#fff;transform:translateY(-2px)}.hero{position:relative;min-height:650px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(25,32,27,.92) 0%,rgba(25,32,27,.72) 48%,rgba(25,32,27,.24)),url("/assets/images/backpic/back-1.webp") center/cover;color:#fff;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto 0 0;height:110px;background:linear-gradient(transparent,var(--paper))}.hero-content{position:relative;z-index:1;width:100%;padding:100px 0 120px}.eyebrow,.section-kicker{font-size:13px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--green)}h1,h2,h3{line-height:1.25;letter-spacing:-.7px}h1{font-size:clamp(36px,5vw,60px);max-width:760px;margin:18px 0 22px}.hero p{max-width:730px;color:#e7ede4;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 38px}.hero .btn-outline{border-color:#c9d2c5;color:#fff}.signal-row{display:flex;gap:12px;flex-wrap:wrap}.signal{border:1px solid rgba(221,232,216,.28);background:rgba(26,34,28,.58);padding:12px 16px;border-radius:10px;min-width:150px}.signal strong{display:block;color:var(--green);font-size:22px;font-family:ui-monospace,monospace}.signal small{color:#d4ddd1}.section{padding:96px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}.section-head h2{font-size:clamp(27px,3vw,36px);margin:8px 0 0}.section-head p{max-width:600px;color:var(--muted);margin:0}.intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:58px;align-items:center}.intro-copy p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:26px 0}.check-list li{padding:11px 0 11px 29px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green-dark);font-weight:800}.image-panel{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);background:#dce5d7}.image-panel img{width:100%;height:410px;object-fit:cover}.image-note{position:absolute;bottom:18px;left:18px;background:rgba(32,40,35,.9);color:#fff;padding:13px 17px;border-radius:10px;font-size:14px}.function-band{background:var(--mist)}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.tabs button{border:1px solid #c3cec0;background:transparent;border-radius:9px;padding:11px 16px;color:#526057;cursor:pointer}.tabs button:hover,.tabs button.active{background:var(--ink);border-color:var(--ink);color:var(--green)}.function-detail{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}.function-copy,.mini-console{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}.function-copy h3{font-size:25px}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:24px}.feature-list div{padding:13px;background:var(--paper);border-radius:9px;font-size:14px}.console-lines{display:grid;gap:12px}.console-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px}.dot{width:9px;height:9px;background:var(--green);border-radius:50%;display:inline-block;margin-right:8px}.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.adv-card{padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:190px;transition:var(--ease)}.adv-card:nth-child(2),.adv-card:nth-child(5){transform:translateY(18px)}.adv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a8bd91}.adv-card:nth-child(2):hover,.adv-card:nth-child(5):hover{transform:translateY(10px)}.number{font:700 26px ui-monospace,monospace;color:var(--green-dark);display:block;margin-bottom:15px}.adv-card h3{font-size:20px;margin:0 0 8px}.adv-card p,.scene-card p,.product-card p,.story p,.review p,.news-card p{color:var(--muted);font-size:14px;margin:0}.scene-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.scene-card{position:relative;min-height:270px;border-radius:var(--radius);overflow:hidden;color:#fff;background:#26332b}.scene-card.large{grid-row:span 2;min-height:558px}.scene-card img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:var(--ease)}.scene-card:hover img{transform:scale(1.04);opacity:.82}.scene-overlay{position:absolute;inset:0;padding:27px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 25%,rgba(20,28,23,.88))}.scene-overlay h3{font-size:23px;margin:0 0 8px}.scene-overlay p{color:#e2e9df}.tag{display:inline-block;color:var(--green-dark);background:#e8f0d7;padding:4px 9px;border-radius:6px;font-size:12px;font-weight:700;margin:0 5px 7px 0}.dark-section{background:var(--graphite);color:#fff}.dark-section .section-head p{color:#bbc7ba}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:#2b362e;border:1px solid #465348;border-radius:var(--radius);overflow:hidden}.product-card img{height:190px;width:100%;object-fit:cover}.product-body{padding:25px}.product-body h3{font-size:21px}.product-body p{color:#c4cec3;min-height:74px}.demo-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.demo-main,.demo-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.demo-main img{height:370px;width:100%;object-fit:cover}.demo-caption{padding:22px}.demo-side{padding:18px}.demo-item{display:flex;gap:14px;padding:15px 7px;border-bottom:1px solid var(--line);cursor:pointer}.demo-item:last-child{border-bottom:0}.demo-item.active{color:var(--green-dark);font-weight:700}.demo-item img{width:74px;height:55px;object-fit:cover;border-radius:7px}.case-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.case-photo{border-radius:18px;overflow:hidden}.case-photo img{height:430px;width:100%;object-fit:cover}.case-data{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}.data-box{border-left:3px solid var(--green);padding:12px 17px;background:#2c372f}.data-box strong{display:block;color:var(--green);font:700 28px ui-monospace,monospace}.data-box span{font-size:13px;color:#c6d0c4}.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.story{background:#fff;border:1px solid var(--line);padding:26px;border-radius:var(--radius);position:relative}.story:before{content:"";position:absolute;top:0;left:26px;width:40px;height:4px;background:var(--orange)}.role{font-size:13px;color:var(--green-dark);font-weight:800;margin-bottom:17px}.stats{background:#dfe8dc;padding:38px 0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat{text-align:center;border-right:1px solid #c4d1c2}.stat:last-child{border:0}.stat strong{display:block;font:700 34px ui-monospace,monospace;color:var(--green-dark)}.stat span{font-size:14px;color:#5f6d61}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.price-card{background:#fff;border:1px solid var(--line);padding:29px;border-radius:var(--radius);position:relative}.price-card.recommend{border:2px solid var(--green-dark);transform:translateY(-10px)}.recommend-label{position:absolute;right:18px;top:18px;background:var(--green);font-size:12px;padding:4px 8px;border-radius:5px}.price-card h3{font-size:22px}.price-card .price{font-weight:800;font-size:20px;margin:20px 0;color:var(--green-dark)}.price-card ul{padding-left:20px;color:var(--muted);font-size:14px;min-height:130px}.review-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:15px;align-items:start}.review{background:#fff;border:1px solid var(--line);padding:22px;border-radius:12px}.review:nth-child(2){margin-top:35px;background:#edf3e7}.stars{color:#b8792f;letter-spacing:2px;margin-bottom:10px}.trust{background:var(--mist);text-align:center}.trust-list{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:28px}.trust-list span{border:1px solid #c4d0c1;padding:10px 17px;border-radius:8px;color:#566259;font-size:14px}.news-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.news-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-feature img{height:245px;width:100%;object-fit:cover}.news-feature .news-body{padding:23px}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 23px}.news-item{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-item small{color:var(--orange);font-weight:700}.closing{background:#edf1e9}.closing-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}.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:700;padding:20px 0}.accordion-button:not(.collapsed){color:var(--green-dark)!important}.accordion-body{padding:0 20px 20px 0;color:var(--muted);font-size:14px}.lead-form{background:var(--graphite);color:#fff;border-radius:16px;padding:30px}.lead-form label{font-size:13px;color:#d7e1d4;margin-bottom:5px}.lead-form .form-control,.lead-form .form-select{background:#303c33;border:1px solid #526153;color:#fff;min-height:46px;border-radius:8px}.lead-form .form-control::placeholder{color:#aab7aa}.form-note{font-size:12px;color:#aebaae}.footer{background:#1b211d;color:#c8d1c7;padding:62px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr 1fr;gap:38px}.footer h3,.footer h4{color:#fff;font-size:17px;margin-bottom:17px}.footer p,.footer li,.footer a{font-size:14px;color:#aebaae}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0}.footer a:hover{color:var(--green)}.footer-bottom{border-top:1px solid #364038;margin-top:40px;padding-top:20px;font-size:13px;color:#89968a;display:flex;justify-content:space-between;gap:20px}.to-top{color:var(--green)}@media(max-width:992px){.nav-inner{gap:12px}.navbar-nav{gap:0}.nav-link{padding:9px 8px!important}.intro-grid,.case-wrap,.closing-grid{grid-template-columns:1fr}.hero{min-height:590px}.scene-grid,.demo-grid,.news-grid{grid-template-columns:1fr}.scene-card.large{grid-row:auto;min-height:380px}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.topbar .top-inner{display:block;text-align:center}.topbar span+span{margin-left:10px}.nav-inner{min-height:64px}.brand{font-size:16px}.brand-mark{width:28px;height:28px;font-size:14px}.nav-cta{display:none}.hero-content{padding:78px 0 110px}.hero p{font-size:16px}.section{padding:68px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.adv-grid,.product-grid,.story-grid,.price-grid{grid-template-columns:1fr}.adv-card:nth-child(2),.adv-card:nth-child(5),.price-card.recommend{transform:none}.stat-grid{grid-template-columns:repeat(2,1fr);gap:22px}.stat{border-right:0}.review-grid{grid-template-columns:1fr}.review:nth-child(2){margin-top:0}.feature-list{grid-template-columns:1fr}.case-data{grid-template-columns:1fr 1fr}.image-panel img{height:300px}}@media(max-width:520px){h1{font-size:34px}.hero-actions .btn-main,.hero-actions .btn-outline{width:100%}.topbar{font-size:12px}.topbar .top-inner>div:last-child{margin-top:3px}.navbar-toggler{padding:8px}.section{padding:56px 0}.case-data{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div+div{margin-top:8px}.signal{min-width:135px}.hero{min-height:640px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
 --ink:#202823;--muted:#69736c;--paper:#f4f5ef;--mist:#e8ece4;--line:#d8ded4;
 --green:#a8c957;--green-dark:#637d2e;--orange:#e49a52;--graphite:#202823;
 --radius:14px;--shadow:0 14px 34px rgba(36,50,40,.09);--ease:all .28s ease
}
*{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",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--green-dark)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,201,87,.65);outline-offset:3px}
.container{max-width:1240px}
.topbar{background:var(--graphite);color:#dce4d8;font-size:13px;padding:7px 0}
.topbar .top-inner{display:flex;justify-content:space-between;gap:20px}
.topbar span+span{margin-left:22px}
.site-nav{background:rgba(244,245,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}
.nav-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}
.brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:9px;background:var(--green);color:var(--ink);border-radius:9px;font-size:17px}
.navbar-nav{gap:7px}
.nav-link{color:#526057!important;font-size:15px;padding:10px 13px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--ink)!important}
.navbar-toggler{border:1px solid var(--line);padding:8px 10px;border-radius:9px}
.navbar-toggler-icon{width:1.25em;height:1.25em;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23202823' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
.btn-main,.btn-outline,.btn-dark{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-main{background:var(--green);color:var(--ink)}
.btn-main:hover{background:#bddc70;color:var(--ink);transform:translateY(-2px)}
.btn-outline{border-color:#84907f;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark{background:var(--graphite);color:var(--green)}
.btn-dark:hover{background:#364139;color:#fff;transform:translateY(-2px)}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,36px);line-height:1.28;margin:8px 0 0;letter-spacing:-.5px}
.section-head p{max-width:610px;color:var(--muted);margin:0}
.section-kicker{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--green-dark)}
.inner-hero{position:relative;overflow:hidden;min-height:390px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(28,36,30,.94),rgba(28,36,30,.72)),url("/assets/images/backpic/back-3.webp") center/cover;color:#fff}
.inner-hero:after{content:"";position:absolute;right:-60px;bottom:-80px;width:360px;height:360px;border:1px solid rgba(168,201,87,.38);border-radius:50%;box-shadow:0 0 0 42px rgba(168,201,87,.06),0 0 0 84px rgba(168,201,87,.04)}
.inner-hero .container{position:relative;z-index:1;padding-top:54px;padding-bottom:62px}
.breadcrumb{margin:0 0 18px;font-size:14px}
.breadcrumb-item+.breadcrumb-item:before{color:#bfcbb9}
.breadcrumb-item a{color:#dfe8da}
.breadcrumb-item.active{color:var(--green)}
.inner-hero h1{max-width:800px;font-size:clamp(38px,5vw,50px);line-height:1.2;margin:0 0 18px;font-weight:800}
.inner-hero p{max-width:720px;margin:0;color:#e4ece0;font-size:17px}
.status-strip{margin-top:-35px;position:relative;z-index:3}
.status-inner{display:grid;grid-template-columns:1.1fr repeat(3,.63fr);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}
.status-cell{padding:20px 24px;border-right:1px solid var(--line)}
.status-cell:last-child{border-right:0}
.status-cell strong{display:block;font-size:15px}
.status-cell span{font-size:13px;color:var(--muted)}
.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:7px;background:var(--green)}
.legend-dot.orange{background:var(--orange)}
.legend-dot.gray{background:#93a098}
.overview-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:center}
.overview-copy h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:10px 0 18px}
.overview-copy p{color:var(--muted)}
.capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}
.capability-list div{padding:14px 16px;background:#fff;border-left:3px solid var(--green);font-size:14px;font-weight:700}
.product-figure{position:relative}
.product-figure img{width:100%;height:400px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.figure-note{position:absolute;left:-22px;bottom:25px;max-width:280px;padding:16px 18px;background:var(--graphite);color:#fff;border-radius:10px;box-shadow:var(--shadow)}
.figure-note strong{display:block;color:var(--green);font-size:14px}
.figure-note span{font-size:13px;color:#d2dbce}
.function-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.function-card{position:relative;display:grid;grid-template-columns:68px 1fr;gap:19px;padding:27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
.function-card:hover{border-color:#a8bd91;box-shadow:var(--shadow);transform:translateY(-5px)}
.function-card:nth-child(even){background:#edf1e8}
.function-no{display:grid;place-items:center;width:54px;height:54px;border-radius:12px;background:var(--graphite);color:var(--green);font:700 17px ui-monospace,SFMono-Regular,monospace}
.function-card h3{font-size:20px;margin:0 0 8px}
.function-card p{font-size:14px;color:var(--muted);margin:0}
.function-card .arrow{position:absolute;right:23px;bottom:18px;color:var(--green-dark);font-weight:800}
.monitor-panel{background:var(--graphite);padding:42px;border-radius:var(--radius);color:#fff;overflow:hidden}
.monitor-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.map-frame{position:relative;min-height:350px;border-radius:12px;overflow:hidden;background:#344139}
.map-frame img{width:100%;height:350px;object-fit:cover;opacity:.62}
.map-lines{position:absolute;inset:0;background:linear-gradient(120deg,transparent 44%,rgba(168,201,87,.85) 45%,rgba(168,201,87,.85) 46%,transparent 47%),linear-gradient(28deg,transparent 48%,rgba(228,154,82,.8) 49%,rgba(228,154,82,.8) 50%,transparent 51%)}
.vehicle-pin{position:absolute;padding:4px 9px;background:var(--green);color:var(--ink);border-radius:6px;font-size:12px;font-weight:800;box-shadow:0 4px 10px rgba(0,0,0,.25)}
.pin-one{left:19%;top:29%}.pin-two{left:62%;top:50%}.pin-three{right:12%;bottom:22%}
.monitor-copy h2{font-size:clamp(27px,3vw,35px);line-height:1.3;margin:0 0 17px}
.monitor-copy>p{color:#c7d0c4}
.monitor-list{padding:0;margin:23px 0 0;list-style:none}
.monitor-list li{padding:11px 0;border-bottom:1px solid rgba(217,229,211,.18);font-size:14px}
.monitor-list li:before{content:"●";color:var(--green);margin-right:10px;font-size:11px}
.flow-area{background:var(--mist)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px}
.flow-step{position:relative;padding:25px 24px 27px;background:rgba(255,255,255,.7);border:1px solid var(--line);min-height:190px}
.flow-step:first-child{border-radius:12px 0 0 12px}
.flow-step:last-child{border-radius:0 12px 12px 0}
.flow-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);z-index:2;display:grid;place-items:center;width:26px;height:26px;background:var(--green);color:var(--ink);border-radius:50%;font-weight:800}
.flow-index{color:var(--green-dark);font:800 13px ui-monospace,monospace;letter-spacing:1px}
.flow-step h3{font-size:18px;margin:12px 0 7px}
.flow-step p{margin:0;color:var(--muted);font-size:14px}
.cost-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:25px;align-items:stretch}
.cost-summary{padding:36px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.cost-summary h2{font-size:30px;line-height:1.32;margin:7px 0 15px}
.cost-summary p{color:var(--muted)}
.metric{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.metric strong{font:800 34px ui-monospace,monospace;color:var(--green-dark)}
.metric span{font-size:13px;color:var(--muted);margin-left:8px}
.chart-panel{padding:30px;background:var(--graphite);border-radius:var(--radius);color:#fff}
.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
.chart-head h3{font-size:19px;margin:0}
.chart-head span{font-size:12px;color:#c4cec1}
.bars{height:210px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px;padding:0 5px;border-bottom:1px solid rgba(255,255,255,.25)}
.bar-group{height:100%;display:flex;flex:1;align-items:flex-end;justify-content:center;position:relative}
.bar{width:45%;min-height:34px;background:var(--green);border-radius:7px 7px 0 0}
.bar.alt{background:var(--orange)}
.bar-group small{position:absolute;bottom:-28px;color:#c5cec1;font-size:12px}
.chart-note{display:flex;gap:17px;margin-top:40px;font-size:13px;color:#d5ddd0}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{display:flex;flex-direction:column;justify-content:space-between;min-height:220px;padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:var(--ease)}
.channel-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#a8bd91}
.channel-card:nth-child(2){background:var(--graphite);color:#fff;border-color:var(--graphite)}
.channel-card h3{font-size:21px;margin:0 0 10px}
.channel-card p{font-size:14px;color:var(--muted);margin:0 0 22px}
.channel-card:nth-child(2) p{color:#cad4c7}
.channel-card .channel-arrow{font-weight:800;color:var(--green-dark)}
.channel-card:nth-child(2) .channel-arrow{color:var(--green)}
.faq-cta{background:#e5eadf}
.faq-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:#fff;--bs-accordion-active-color:var(--ink)}
.accordion-item{border-left:0;border-right:0;background:transparent}
.accordion-button{padding:19px 4px;background:transparent!important;color:var(--ink)!important;font-weight:700;font-size:16px}
.accordion-button:not(.collapsed){box-shadow:none;color:var(--green-dark)!important}
.accordion-button:after{background-size:1rem;transition:var(--ease)}
.accordion-body{padding:0 4px 20px;color:var(--muted);font-size:14px}
.consult-box{padding:34px;background:var(--graphite);color:#fff;border-radius:var(--radius)}
.consult-box h2{font-size:30px;line-height:1.3;margin:0 0 13px}
.consult-box p{color:#cbd4c7;margin-bottom:23px}
.form-label{font-size:13px;color:#dbe3d6;margin-bottom:5px}
.form-control,.form-select{border:1px solid #607060;background:#fff;border-radius:8px;min-height:44px}
.form-control:focus,.form-select:focus{border-color:var(--green);box-shadow:0 0 0 .22rem rgba(168,201,87,.22)}
.privacy{font-size:12px;color:#b8c4b4;margin:13px 0 0}
.footer{background:var(--graphite);color:#d9e0d6;padding:68px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.55fr .8fr .9fr 1.1fr;gap:36px}
.footer h3{font-size:21px;color:#fff;margin:0 0 14px}
.footer h4{font-size:15px;color:var(--green);margin:4px 0 14px}
.footer p{font-size:14px;color:#bac5b7;margin:0 0 13px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:7px 0;font-size:14px}
.footer a:hover{color:var(--green)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:20px;border-top:1px solid #405044;color:#aeb9ab;font-size:13px}
@media(max-width:991.98px){
 .nav-inner{gap:14px}.navbar-collapse{padding:14px 0 18px}.navbar-nav{padding:8px 0}.nav-cta{width:100%;margin-top:8px}
 .overview-grid,.monitor-grid,.cost-grid,.faq-wrap{grid-template-columns:1fr}
 .status-inner{grid-template-columns:repeat(2,1fr)}.status-cell:nth-child(2){border-right:0}.status-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
 .topbar .top-inner{display:block}.topbar .top-inner>div:last-child{margin-top:3px}.topbar span+span{margin-left:12px}
 .section{padding:64px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:14px}
 .inner-hero{min-height:350px}.inner-hero .container{padding-top:38px;padding-bottom:44px}
 .function-stack,.channel-grid{grid-template-columns:1fr}.function-card{grid-template-columns:56px 1fr}
 .flow-grid{grid-template-columns:1fr}.flow-step,.flow-step:first-child,.flow-step:last-child{border-radius:0}.flow-step:first-child{border-radius:12px 12px 0 0}.flow-step:last-child{border-radius:0 0 12px 12px}.flow-step:not(:last-child):after{top:auto;bottom:-13px;right:50%;transform:translateX(50%) rotate(90deg)}
 .monitor-panel{padding:22px}.map-frame,.map-frame img{min-height:270px;height:270px}.capability-list{grid-template-columns:1fr}
 .footer-bottom{display:block}.footer-bottom>div+div{margin-top:9px}
}
@media(max-width:520px){
 body{font-size:15px}.brand{font-size:17px}.brand-mark{width:30px;height:30px;margin-right:6px}.topbar{font-size:12px}
 .status-inner{grid-template-columns:1fr}.status-cell{border-right:0;border-bottom:1px solid var(--line)}.status-cell:last-child{border-bottom:0}
 .product-figure img{height:280px}.figure-note{position:relative;left:auto;bottom:auto;margin-top:12px}.chart-panel,.cost-summary{padding:23px}
 .footer-grid{grid-template-columns:1fr;gap:22px}.inner-hero h1{font-size:34px}.btn-main,.btn-outline,.btn-dark{width:100%}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category3 */
:root{
 --ink:#202823;--muted:#69736c;--paper:#f4f5ef;--mist:#e8ece4;--line:#d8ded4;
 --green:#a8c957;--green-dark:#637d2e;--orange:#e49a52;--graphite:#202823;
 --radius:14px;--shadow:0 14px 34px rgba(36,50,40,.09);--ease:all .28s ease
}
*{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",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--green-dark)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,201,87,.65);outline-offset:3px}
.container{max-width:1240px}
.topbar{background:var(--graphite);color:#dce4d8;font-size:13px;padding:7px 0}
.topbar .top-inner{display:flex;justify-content:space-between;gap:20px}
.topbar span+span{margin-left:22px}
.site-nav{background:rgba(244,245,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}
.nav-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}
.brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:9px;background:var(--green);color:var(--ink);border-radius:9px;font-size:17px}
.navbar-nav{gap:7px}
.nav-link{color:#526057!important;font-size:15px;padding:10px 13px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--ink)!important}
.navbar-toggler{border:1px solid var(--line);border-radius:9px;padding:8px 10px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(168,201,87,.45)}
.navbar-toggler-icon{width:22px;height:16px;background-image:none;position:relative;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.navbar-toggler-icon:after{content:"";position:absolute;left:0;right:0;top:6px;border-top:2px solid var(--ink)}
.btn-main,.btn-outline,.btn-dark{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease);cursor:pointer}
.btn-main{background:var(--green);color:var(--ink)}
.btn-main:hover{background:#bddc70;color:var(--ink);transform:translateY(-2px)}
.btn-main:active,.btn-outline:active,.btn-dark:active{transform:translateY(0)}
.btn-outline{border-color:#84907f;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark{background:var(--graphite);color:var(--green)}
.btn-dark:hover{background:#364139;color:#fff;transform:translateY(-2px)}
.section{padding:94px 0}
.section-kicker{font-size:13px;font-weight:800;letter-spacing:1.8px;color:var(--green-dark)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:7px 0 0;letter-spacing:-1px}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.breadcrumb-wrap{background:linear-gradient(105deg,rgba(29,37,32,.94),rgba(29,37,32,.67)),url("/assets/images/backpic/back-4.webp") center/cover;position:relative;overflow:hidden;color:#fff;padding:77px 0 85px}
.breadcrumb-wrap:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(168,201,87,.34);border-radius:50%;right:9%;top:-210px;box-shadow:0 0 0 34px rgba(168,201,87,.06),0 0 0 70px rgba(168,201,87,.04)}
.breadcrumb-wrap .container{position:relative;z-index:1}
.breadcrumb{margin:0 0 16px;font-size:14px}
.breadcrumb-item,.breadcrumb-item a{color:#d7e0d1}
.breadcrumb-item+.breadcrumb-item:before{color:#a8c957}
.breadcrumb-item.active{color:#fff}
.breadcrumb-wrap h1{max-width:700px;font-size:clamp(38px,4.3vw,50px);line-height:1.2;letter-spacing:-1.5px;margin:0 0 17px}
.breadcrumb-wrap p{max-width:720px;color:#e4ebe0;font-size:17px;margin:0}
.plan-selector{display:grid;grid-template-columns:.95fr 1.25fr;gap:22px}
.goal-panel{background:var(--graphite);color:#fff;padding:34px;border-radius:var(--radius);position:relative;overflow:hidden}
.goal-panel:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(168,201,87,.35);border-radius:50%;right:-100px;bottom:-145px}
.goal-panel>*{position:relative;z-index:1}
.goal-panel h2{font-size:28px;line-height:1.35;margin:8px 0 13px}
.goal-panel p{color:#c5d0c3;margin:0}
.goal-list{list-style:none;padding:0;margin:24px 0 0}
.goal-list li{padding:11px 0;border-bottom:1px solid rgba(225,235,221,.14);display:flex;gap:11px;align-items:flex-start}
.goal-list b{color:var(--green)}
.scale-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.scale-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px 21px;min-height:220px;transition:var(--ease)}
.scale-card:hover{transform:translateY(-5px);border-color:#9db779;box-shadow:var(--shadow)}
.scale-card .scale-no{font:700 13px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--green-dark);letter-spacing:1px}
.scale-card h3{font-size:20px;margin:12px 0 8px}
.scale-card p{color:var(--muted);font-size:14px;margin:0 0 15px}
.scale-card .tag{margin:0}
.tag{display:inline-block;color:var(--green-dark);background:#e8f0d7;padding:4px 9px;border-radius:6px;font-size:12px;font-weight:700;margin:0 5px 7px 0}
.matrix-shell{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 25px rgba(35,46,37,.04)}
.matrix-head{display:grid;grid-template-columns:1.05fr repeat(3,1fr);background:#e6eadf;border-bottom:1px solid var(--line)}
.matrix-head>div{padding:22px 20px;font-weight:800;border-right:1px solid var(--line)}
.matrix-head>div:last-child{border-right:0}
.matrix-head .recommended{background:var(--green);position:relative}
.matrix-head small{display:block;font-weight:500;color:#4e5d4d;margin-top:4px}
.matrix-row{display:grid;grid-template-columns:1.05fr repeat(3,1fr);border-bottom:1px solid var(--line)}
.matrix-row:last-child{border-bottom:0}
.matrix-row>div{padding:18px 20px;border-right:1px solid var(--line);font-size:14px;color:var(--muted)}
.matrix-row>div:first-child{font-size:15px;color:var(--ink);font-weight:700;background:#fafbf8}
.matrix-row>div:last-child{border-right:0}
.matrix-row .yes{color:var(--green-dark);font-weight:800}
.matrix-row .consult-cell{padding-top:23px;padding-bottom:23px}
.permission-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.permission-photo{position:relative}
.permission-photo img{width:100%;height:440px;object-fit:cover;border-radius:var(--radius)}
.permission-note{position:absolute;right:-12px;bottom:23px;width:230px;background:var(--graphite);color:#fff;border-left:4px solid var(--green);padding:18px 20px;border-radius:0 10px 10px 0;box-shadow:var(--shadow)}
.permission-note strong{display:block;color:var(--green);font-size:23px;line-height:1.2}
.permission-note span{font-size:13px;color:#ced8ca}
.access-list{list-style:none;padding:0;margin:24px 0 0}
.access-list li{position:relative;padding:14px 0 14px 30px;border-bottom:1px solid var(--line)}
.access-list li:before{content:"";position:absolute;left:0;top:23px;width:12px;height:12px;border-radius:3px;background:var(--green)}
.access-list b{display:block;font-size:16px;margin-bottom:2px}
.access-list span{font-size:14px;color:var(--muted)}
.process-road{background:#e9ede5;border-radius:var(--radius);padding:35px;position:relative}
.process-road:before{content:"";position:absolute;left:10%;right:10%;top:80px;border-top:2px dashed #a9b5a5}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.process-step{position:relative;padding-top:63px}
.step-no{position:absolute;top:0;left:0;width:47px;height:47px;border:2px solid var(--green-dark);background:var(--paper);border-radius:50%;display:grid;place-items:center;color:var(--green-dark);font-weight:800}
.process-step h3{font-size:18px;margin:0 0 7px}
.process-step p{font-size:14px;color:var(--muted);margin:0}
.cost-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.cost-board{background:var(--graphite);border-radius:var(--radius);padding:33px;color:#fff}
.cost-board h2{font-size:29px;line-height:1.35;margin:8px 0 12px}
.cost-board p{color:#c7d1c5;margin:0 0 24px}
.cost-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cost-points div{background:#2d382f;border-left:3px solid var(--orange);padding:13px 15px}
.cost-points b{display:block;color:#fff;font-size:15px}
.cost-points span{font-size:13px;color:#c4cec2}
.config-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.config-card h3{font-size:22px;margin:0 0 16px}
.config-card ul{list-style:none;padding:0;margin:0}
.config-card li{padding:11px 0 11px 23px;border-bottom:1px solid var(--line);position:relative;font-size:14px;color:var(--muted)}
.config-card li:last-child{border-bottom:0}
.config-card li:before{content:"+";position:absolute;left:0;color:var(--green-dark);font-size:19px;font-weight:700}
.channel-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px}
.channel-grid{display:grid;grid-template-columns:1.1fr repeat(3,.8fr);gap:15px;align-items:stretch}
.channel-title{padding:15px 18px;border-left:4px solid var(--green-dark)}
.channel-title h2{font-size:27px;line-height:1.35;margin:0 0 8px}
.channel-title p{font-size:14px;color:var(--muted);margin:0}
.channel-link{display:flex;align-items:center;justify-content:center;text-align:center;padding:20px 12px;border:1px solid var(--line);border-radius:10px;background:#f8f9f5;font-weight:700}
.channel-link:hover{background:var(--graphite);border-color:var(--graphite);color:var(--green);transform:translateY(-3px)}
.faq-cta{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:start}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-bg:transparent;--bs-accordion-active-bg:#e7eedb;--bs-accordion-active-color:var(--ink)}
.accordion-item{border-left:0;border-right:0;background:transparent}
.accordion-button{background:transparent;color:var(--ink);font-weight:700;padding:19px 14px 19px 0}
.accordion-button:not(.collapsed){box-shadow:none}
.accordion-button:after{background-size:1.05rem;filter:sepia(.7) saturate(.8) hue-rotate(38deg)}
.accordion-body{padding:0 34px 20px 0;color:var(--muted);font-size:15px}
.consult-card{background:var(--graphite);color:#fff;border-radius:var(--radius);padding:34px;position:sticky;top:102px}
.consult-card h2{font-size:28px;line-height:1.35;margin:8px 0 10px}
.consult-card>p{color:#c6d0c3;font-size:15px}
.form-label{font-size:14px;font-weight:700;color:#edf1ea;margin-bottom:5px}
.form-control,.form-select{background:#f8faf5;border:1px solid #556256;color:var(--ink);min-height:45px;border-radius:8px}
.form-control:focus,.form-select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(168,201,87,.25)}
.form-text{color:#c0cabd;font-size:12px;line-height:1.6}
.form-feedback{display:none;margin-top:12px;padding:10px 12px;background:#dceac2;color:#304315;border-radius:8px;font-size:14px;font-weight:700}
.footer{background:var(--graphite);color:#d6dfd3;padding:70px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:38px}
.footer h3{color:#fff;font-size:22px;margin:0 0 13px}
.footer h4{color:var(--green);font-size:15px;margin:5px 0 15px}
.footer p{font-size:14px;color:#b9c5b7;margin:0 0 13px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:8px 0;font-size:14px}
.footer a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid #455047;margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#aab6a8}
@media(max-width:991.98px){
 .nav-inner{min-height:67px}.navbar-collapse{padding:12px 0 18px}.navbar-nav{gap:3px}.nav-cta{margin-top:12px;width:100%}
 .plan-selector,.permission-layout,.cost-grid,.faq-cta{grid-template-columns:1fr}
 .scale-grid{grid-template-columns:repeat(3,1fr)}.consult-card{position:static}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
 .topbar .top-inner{display:block}.topbar .top-inner>div:last-child{margin-top:3px}.topbar span+span{margin-left:12px}
 .section{padding:65px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:13px}
 .breadcrumb-wrap{padding:57px 0 63px}.breadcrumb-wrap h1{font-size:35px}.breadcrumb-wrap p{font-size:15px}
 .scale-grid{grid-template-columns:1fr}.scale-card{min-height:auto}
 .matrix-shell{overflow:visible}.matrix-head{display:none}.matrix-row{grid-template-columns:1fr;padding:18px 20px;gap:7px}.matrix-row>div{border:0;padding:0}.matrix-row>div:first-child{background:transparent}.matrix-row>div:not(:first-child):before{content:attr(data-plan);display:inline-block;color:var(--muted);font-weight:500;margin-right:8px}.matrix-row .consult-cell{padding:8px 0 0}
 .permission-photo img{height:330px}.permission-note{right:12px;bottom:14px}
 .process-road{padding:25px}.process-road:before{left:23px;top:42px;bottom:42px;right:auto;border-top:0;border-left:2px dashed #a9b5a5}.process-grid{grid-template-columns:1fr;gap:21px}.process-step{padding:0 0 0 65px}.step-no{left:0;top:0}
 .channel-grid{grid-template-columns:1fr 1fr}.channel-title{grid-column:1/-1}.cost-points{grid-template-columns:1fr 1fr}
}
@media(max-width:519.98px){
 body{font-size:15px}.brand{font-size:17px}.brand-mark{width:29px;height:29px;margin-right:6px}.topbar{font-size:12px}.topbar span+span{display:none}
 .breadcrumb-wrap h1{font-size:31px}.btn-main,.btn-outline,.btn-dark{width:100%;min-height:46px}
 .goal-panel,.cost-board,.config-card,.consult-card{padding:25px}.permission-note{width:205px}.cost-points,.channel-grid{grid-template-columns:1fr}
 .footer{padding-top:54px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom div+div{margin-top:9px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category4 */
:root{
  --ink:#202823;--muted:#69736c;--paper:#f4f5ef;--mist:#e8ece4;--line:#d8ded4;
  --green:#a8c957;--green-dark:#637d2e;--orange:#e49a52;--graphite:#202823;
  --deep:#18201b;--white:#ffffff;--radius:14px;--radius-sm:10px;
  --shadow:0 14px 34px rgba(36,50,40,.09);--ease:all .28s ease
}
*{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",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--green-dark)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,201,87,.65);outline-offset:3px}
.container{max-width:1240px}
.topbar{background:var(--graphite);color:#dce4d8;font-size:13px;padding:7px 0}
.topbar .top-inner{display:flex;justify-content:space-between;gap:20px}
.topbar span+span{margin-left:22px}
.site-nav{background:rgba(244,245,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}
.nav-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:9px;background:var(--green);color:var(--ink);border-radius:9px;font-size:17px}
.navbar-nav{gap:7px}
.nav-link{color:#526057!important;font-size:15px;padding:10px 13px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:var(--mist);color:var(--ink)!important}
.navbar-toggler{border:1px solid var(--line);border-radius:9px;padding:8px 10px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(168,201,87,.35)}
.navbar-toggler-icon{width:1.25em;height:1.25em;background-image:none;position:relative}
.navbar-toggler-icon:before,.navbar-toggler-icon:after,.navbar-toggler-icon{border-top:2px solid var(--ink)}
.navbar-toggler-icon:before,.navbar-toggler-icon:after{content:"";position:absolute;left:0;width:100%}
.navbar-toggler-icon:before{top:5px}.navbar-toggler-icon:after{top:12px}
.btn-main,.btn-outline,.btn-dark{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease);cursor:pointer}
.btn-main{background:var(--green);color:var(--ink)}
.btn-main:hover{background:#bddc70;color:var(--ink);transform:translateY(-2px)}
.btn-main:active{transform:translateY(0);background:#95b646}
.btn-outline{border-color:#84907f;color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark{background:var(--graphite);color:var(--green)}
.btn-dark:hover{background:#364139;color:#fff;transform:translateY(-2px)}
.section{padding:94px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,36px);line-height:1.25;margin:7px 0 0;font-weight:800;letter-spacing:-.6px}
.section-head p{max-width:580px;color:var(--muted);margin:0}
.section-kicker,.eyebrow{display:block;font-size:13px;font-weight:800;letter-spacing:1.7px;color:var(--green-dark)}
.breadcrumb-band{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(27,36,30,.93),rgba(27,36,30,.70)),url("/assets/images/backpic/back-4.webp") center/cover;color:#fff;padding:70px 0 78px}
.breadcrumb-band:after{content:"";position:absolute;right:7%;bottom:-70px;width:300px;height:300px;border:1px solid rgba(168,201,87,.35);border-radius:50%;box-shadow:0 0 0 36px rgba(168,201,87,.06),0 0 0 72px rgba(168,201,87,.04)}
.breadcrumb-band .container{position:relative;z-index:1}
.breadcrumb{margin:0 0 20px;font-size:14px}
.breadcrumb-item+.breadcrumb-item:before{color:#aeb9ad}
.breadcrumb-item.active{color:#e4ebe0}
.breadcrumb a{color:#dce6d8}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb-band h1{max-width:750px;font-size:clamp(38px,5vw,50px);line-height:1.2;letter-spacing:-1px;margin:0 0 15px;font-weight:800}
.breadcrumb-band p{max-width:720px;margin:0;color:#e0e9dc;font-size:17px}
.filter-strip{margin-top:-28px;position:relative;z-index:3}
.filter-shell{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:22px}
.filter-intro{display:flex;align-items:center;gap:14px;min-width:235px}
.filter-symbol{width:43px;height:43px;border-radius:11px;background:var(--mist);display:grid;place-items:center;color:var(--green-dark);font-weight:800}
.filter-intro strong{display:block;font-size:15px}
.filter-intro small{display:block;color:var(--muted);font-size:13px}
.filter-tags{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.filter-tags button{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:7px 13px;color:#546056;font-size:14px;line-height:1.4;cursor:pointer;transition:var(--ease)}
.filter-tags button:hover,.filter-tags button.active{background:var(--ink);border-color:var(--ink);color:var(--green)}
.case-archive{display:grid;gap:24px}
.archive-card{display:grid;grid-template-columns:39% 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.archive-card:hover{box-shadow:var(--shadow);border-color:#b4c79f;transform:translateY(-4px)}
.archive-photo{position:relative;min-height:285px;overflow:hidden;background:#39463a}
.archive-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.archive-card:hover .archive-photo img{transform:scale(1.045)}
.archive-code{position:absolute;top:18px;left:18px;padding:5px 10px;border-radius:6px;background:rgba(32,40,35,.88);color:var(--green);font-size:12px;font-weight:800;letter-spacing:.8px}
.archive-content{padding:29px 32px 27px}
.archive-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:11px}
.tag{display:inline-flex;align-items:center;background:#edf2e6;color:var(--green-dark);border-radius:6px;padding:4px 9px;font-size:12px;font-weight:700;line-height:1.4}
.tag.orange{background:#f7eadc;color:#a55e21}
.archive-content h3{font-size:23px;line-height:1.35;margin:0 0 9px;font-weight:800}
.archive-content>p{color:var(--muted);margin:0 0 18px}
.archive-data{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid var(--line);padding-top:17px}
.archive-data div{padding-left:12px;border-left:2px solid var(--green)}
.archive-data strong{display:block;font:800 21px/1.25 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--ink)}
.archive-data span{display:block;margin-top:3px;color:var(--muted);font-size:12px;line-height:1.45}
.archive-more{display:flex;justify-content:flex-end;margin-top:24px}
.text-arrow{font-weight:800;color:var(--green-dark);border-bottom:1px solid transparent;padding:5px 0}
.text-arrow:hover{border-color:var(--green-dark);color:var(--ink)}
.compare-section{background:var(--mist);position:relative;overflow:hidden}
.compare-section:before{content:"";position:absolute;left:-6%;top:45px;width:38%;height:1px;background:#c2cfbc;transform:rotate(-12deg);box-shadow:110px 82px 0 #c2cfbc,250px 145px 0 #c2cfbc}
.compare-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:48px;align-items:center;position:relative}
.compare-note{background:var(--graphite);color:#fff;border-radius:var(--radius);padding:31px}
.compare-note h3{font-size:26px;line-height:1.35;margin:10px 0 16px}
.compare-note p{color:#c7d0c5;margin-bottom:22px}
.compare-note ul{padding:0;margin:0;list-style:none}
.compare-note li{padding:10px 0;border-top:1px solid rgba(255,255,255,.14);color:#e4ebe0;font-size:14px}
.compare-note li:before{content:"✓";color:var(--green);font-weight:800;margin-right:9px}
.compare-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare-row{display:grid;grid-template-columns:1.05fr 1fr 1fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row>div{padding:16px 18px;min-height:62px;display:flex;align-items:center}
.compare-row>div+div{border-left:1px solid var(--line)}
.compare-row.head{background:#eef3e9;font-weight:800}
.before{color:#7a6653;background:#fcf7f0}
.after{color:#416120;background:#f1f6e8}
.metrics-wrap{background:var(--graphite);color:#fff;border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1.02fr .98fr}
.metrics-content{padding:45px}
.metrics-content .section-kicker{color:var(--green)}
.metrics-content h2{font-size:clamp(28px,3.4vw,39px);line-height:1.28;margin:8px 0 18px}
.metrics-content p{color:#c4cec2;margin:0;max-width:535px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:29px}
.metric{border:1px solid #465348;background:#29342d;padding:18px;border-radius:10px}
.metric strong{display:block;color:var(--green);font:800 31px/1.1 ui-monospace,SFMono-Regular,Consolas,monospace}
.metric span{font-size:13px;color:#cbd4c9}
.chart-panel{padding:30px;background:#29342d;display:flex;align-items:center}
.chart-box{width:100%;border:1px solid #465348;border-radius:12px;padding:23px;background:#222c26}
.chart-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;font-size:14px;color:#dbe4d8}
.chart-title span{color:var(--green);font-weight:800}
.chart-bars{height:180px;display:flex;gap:13px;align-items:flex-end;padding:0 7px 20px;border-bottom:1px solid #576359}
.chart-bars i{display:block;flex:1;min-height:30px;background:linear-gradient(180deg,var(--green),#718e39);border-radius:5px 5px 0 0;position:relative}
.chart-bars i:after{content:attr(data-label);position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);font-style:normal;font-size:11px;color:#9dac9d}
.chart-caption{margin:23px 0 0;font-size:13px;color:#b9c5b7}
.delivery-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.role-panel{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:30px}
.role-panel h2{font-size:29px;line-height:1.35;margin:8px 0 23px}
.quote-item{padding:17px 0;border-top:1px solid var(--line)}
.quote-item:first-of-type{border-top:0}
.quote-item p{margin:0 0 7px;font-size:16px;color:#3e4b41}
.quote-item strong{font-size:13px;color:var(--green-dark)}
.delivery-panel{position:relative;border-radius:var(--radius);overflow:hidden;background:#e0e7da;padding:32px}
.delivery-panel:after{content:"";position:absolute;right:-85px;bottom:-90px;width:270px;height:270px;border-radius:50%;border:28px solid rgba(99,125,46,.12)}
.delivery-panel h3{font-size:26px;position:relative;z-index:1;margin:7px 0 21px}
.delivery-step{position:relative;z-index:1;display:grid;grid-template-columns:42px 1fr;gap:14px;padding-bottom:18px}
.delivery-step:last-child{padding-bottom:0}
.step-no{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--graphite);color:var(--green);font-weight:800;font-size:13px}
.delivery-step strong{display:block;font-size:16px;margin-bottom:2px}
.delivery-step p{margin:0;color:var(--muted);font-size:14px}
.channel-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:22px;align-items:stretch}
.channel-lead{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px}
.channel-lead h2{font-size:29px;line-height:1.35;margin:8px 0 15px}
.channel-lead p{color:var(--muted);margin-bottom:21px}
.channel-links{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.channel-card{display:flex;flex-direction:column;justify-content:space-between;min-height:167px;padding:24px;background:var(--graphite);border-radius:var(--radius);color:#fff;border:1px solid transparent;transition:var(--ease)}
.channel-card:nth-child(2){background:#fff;color:var(--ink);border-color:var(--line)}
.channel-card:nth-child(3){background:#eff3e9;color:var(--ink);border-color:#d5dfcb}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--green)}
.channel-card strong{font-size:19px}
.channel-card small{color:inherit;opacity:.7}
.channel-card span{color:var(--green);font-weight:800;font-size:19px}
.faq-consult{background:linear-gradient(180deg,var(--paper) 0%,var(--paper) 56%,var(--graphite) 56%,var(--graphite) 100%)}
.faq-layout{display:grid;grid-template-columns:1fr .86fr;gap:42px;align-items:start}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:#edf3e6;--bs-accordion-active-color:var(--ink)}
.accordion-item{border:1px solid var(--line)!important;border-radius:10px!important;overflow:hidden;margin-bottom:10px;background:#fff}
.accordion-button{font-weight:800;font-size:16px;padding:18px 19px;background:#fff;color:var(--ink)}
.accordion-button:not(.collapsed){box-shadow:none}
.accordion-button:after{background-size:16px;filter:sepia(.3) saturate(.8)}
.accordion-body{padding:0 19px 19px;color:var(--muted);font-size:15px}
.consult-card{background:#2a352d;color:#fff;border:1px solid #465348;border-radius:var(--radius);padding:32px;box-shadow:0 15px 35px rgba(0,0,0,.16)}
.consult-card h2{font-size:30px;line-height:1.32;margin:8px 0 10px}
.consult-card>p{color:#c9d2c7;margin-bottom:22px}
.form-label{font-size:13px;color:#e4ebe0;margin-bottom:5px}
.form-control,.form-select{background:#f8faf5;border:1px solid #b7c4b4;border-radius:8px;min-height:44px;color:var(--ink)}
.form-control:focus,.form-select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(168,201,87,.2)}
.form-note{font-size:12px;color:#aebaaa;margin:14px 0 0}
.form-status{display:none;margin-top:13px;padding:9px 12px;border-radius:7px;background:#e6f0d7;color:#425d21;font-size:14px}
.footer{background:var(--graphite);color:#d4ddd1;padding:62px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1fr;gap:36px}
.footer h3{font-size:21px;color:#fff;margin:0 0 15px}.footer h4{font-size:15px;color:var(--green);margin:4px 0 15px}
.footer p{font-size:14px;color:#b8c3b6;margin:0 0 13px;line-height:1.75}
.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:0 0 9px}.footer li a{font-size:14px;color:#c6d0c4}.footer li a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid #435046;margin-top:37px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;font-size:13px;color:#9fad9e}
.footer-bottom a:hover{color:var(--green)}
@media (max-width:991.98px){
  .nav-inner{gap:12px}.nav-cta{margin:14px 0 5px}.navbar-nav{padding-top:12px}.navbar-collapse{padding-bottom:14px}
  .filter-shell,.compare-grid,.faq-layout{grid-template-columns:1fr}.filter-shell{align-items:flex-start;flex-direction:column}.filter-tags{justify-content:flex-start}
  .metrics-wrap{grid-template-columns:1fr}.chart-panel{padding-top:0}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  body{font-size:15px}.topbar .top-inner{display:block}.topbar .top-inner>div:last-child{margin-top:2px}.topbar span+span{margin-left:12px}
  .section{padding:64px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}
  .breadcrumb-band{padding:52px 0 58px}.breadcrumb-band h1{font-size:34px}.breadcrumb-band p{font-size:15px}
  .archive-card{grid-template-columns:1fr}.archive-photo{min-height:225px}.archive-content{padding:24px}.archive-data{grid-template-columns:repeat(3,1fr)}
  .compare-grid,.delivery-grid,.channel-grid{grid-template-columns:1fr}.compare-row{grid-template-columns:.88fr 1fr 1fr}.compare-row>div{padding:13px 10px;font-size:13px}
  .metrics-content{padding:32px 25px}.metric-grid{grid-template-columns:1fr 1fr}.channel-links{grid-template-columns:1fr 1fr}.footer-grid{gap:25px}
}
@media (max-width:519.98px){
  .brand{font-size:16px}.brand-mark{width:29px;height:29px;margin-right:6px}.topbar{font-size:12px}.topbar span{display:block}.topbar span+span{margin-left:0}
  .breadcrumb-band h1{font-size:31px}.filter-shell{padding:17px}.filter-tags{gap:7px}.filter-tags button{padding:7px 10px;font-size:13px}
  .archive-content{padding:21px 18px}.archive-content h3{font-size:20px}.archive-data{gap:5px}.archive-data div{padding-left:8px}.archive-data strong{font-size:17px}.archive-data span{font-size:11px}
  .compare-note{padding:25px}.compare-row{grid-template-columns:1fr 1fr}.compare-row>div:first-child{grid-column:span 2;background:#edf3e9;font-weight:800;border-bottom:1px solid var(--line)}.compare-row>div+div{border-left:0}.compare-row>div:last-child{border-left:1px solid var(--line)}
  .metric-grid,.channel-links{grid-template-columns:1fr}.metric strong{font-size:28px}.chart-panel{padding:20px}.chart-box{padding:17px}.chart-bars{gap:8px}
  .consult-card{padding:25px 20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom>div+div{margin-top:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
      --ink:#202823;--muted:#69736c;--paper:#f4f5ef;--mist:#e8ece4;--line:#d8ded4;
      --green:#a8c957;--green-dark:#637d2e;--orange:#e49a52;--graphite:#202823;
      --white:#fff;--radius:14px;--shadow:0 14px 34px rgba(36,50,40,.09);--ease:all .28s ease;
    }
    *,*:before,*:after{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",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--green-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,201,87,.7);outline-offset:3px}
    .container{max-width:1240px}
    .topbar{background:var(--graphite);color:#dce4d8;font-size:13px;padding:7px 0}
    .top-inner{display:flex;justify-content:space-between;gap:20px}
    .topbar span+span{margin-left:22px}
    .site-nav{background:rgba(244,245,239,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}
    .nav-inner{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:9px;background:var(--green);color:var(--ink);border-radius:9px;font-size:17px}
    .navbar-nav{gap:7px}
    .nav-link{color:#526057!important;font-size:15px;padding:10px 13px!important;border-radius:9px}
    .nav-link:hover,.nav-link.active{background:var(--mist);color:var(--ink)!important}
    .navbar-toggler{border:1px solid var(--line);padding:8px 10px}
    .navbar-toggler-icon{width:1.2em;height:1.2em}
    .btn-main,.btn-outline,.btn-dark{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 21px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-main{background:var(--green);color:var(--ink)}
    .btn-main:hover{background:#bddc70;color:var(--ink);transform:translateY(-2px)}
    .btn-outline{border-color:#84907f;color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
    .btn-dark{background:var(--graphite);color:var(--green)}
    .btn-dark:hover{background:#364139;color:#fff;transform:translateY(-2px)}
    .page-hero{position:relative;min-height:405px;display:flex;align-items:end;overflow:hidden;background:linear-gradient(90deg,rgba(31,40,34,.94),rgba(31,40,34,.63)),url("/assets/images/backpic/back-3.webp") center/cover;color:#fff}
    .page-hero:after{content:"";position:absolute;inset:auto 0 0;height:70px;background:linear-gradient(transparent,var(--paper))}
    .hero-inner{position:relative;z-index:1;width:100%;padding:78px 0 78px}
    .eyebrow,.section-kicker{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--green)}
    .page-hero h1{font-size:clamp(38px,5vw,56px);line-height:1.2;letter-spacing:-1px;margin:13px 0 18px}
    .page-hero p{max-width:720px;color:#e5ece2;font-size:18px;margin:0}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:8px 0 0}
    .section-head p{max-width:590px;color:var(--muted);margin:0}
    .notice-bar{display:flex;justify-content:space-between;gap:24px;align-items:center;background:#e8f0d7;border-left:4px solid var(--green-dark);padding:20px 24px;border-radius:12px}
    .notice-bar strong{font-size:18px}
    .notice-bar span{color:#53614f;font-size:14px}
    .filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .filter-row button{border:1px solid #c3cec0;background:transparent;border-radius:9px;padding:10px 16px;color:#526057;cursor:pointer;transition:var(--ease)}
    .filter-row button:hover,.filter-row button.active{background:var(--ink);border-color:var(--ink);color:var(--green)}
    .scene-list{display:grid;gap:20px}
    .scene-entry{display:grid;grid-template-columns:35% 65%;min-height:255px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
    .scene-entry:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a8bd91}
    .scene-entry img{width:100%;height:100%;min-height:255px;object-fit:cover}
    .scene-copy{padding:31px 36px}
    .scene-copy h3{font-size:24px;margin:5px 0 10px}
    .scene-copy p{color:var(--muted);margin:0 0 16px}
    .tag{display:inline-block;color:var(--green-dark);background:#e8f0d7;padding:4px 9px;border-radius:6px;font-size:12px;font-weight:700;margin:0 5px 7px 0}
    .workflow{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .flow-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .flow-card.dark{background:var(--graphite);color:#fff;border-color:var(--graphite)}
    .flow-card h3{font-size:21px;margin:0 0 20px}
    .flow-step{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
    .dark .flow-step{border-color:#435046}
    .flow-step:last-child{border-bottom:0}
    .step-no{flex:0 0 31px;height:31px;border-radius:8px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:800}
    .flow-step strong{display:block;font-size:16px}.flow-step span{display:block;color:var(--muted);font-size:14px}.dark .flow-step span{color:#c4cec3}
    .dashboard{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:stretch}
    .map-panel{position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;background:#35423a}
    .map-panel img{width:100%;height:100%;object-fit:cover;opacity:.68}
    .map-label{position:absolute;left:24px;top:22px;background:rgba(32,40,35,.88);color:#fff;padding:14px 17px;border-radius:10px}
    .map-label b{display:block;color:var(--green);font-size:23px}
    .metric-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px}
    .metric strong{display:block;font:700 30px ui-monospace,monospace;color:var(--green-dark)}
    .metric span{font-size:14px;color:var(--muted)}
    .implementation{display:grid;grid-template-columns:1fr 1.2fr;gap:42px;align-items:center}
    .implementation img{width:100%;height:350px;object-fit:cover;border-radius:var(--radius)}
    .timeline{border-left:2px solid #c5d1bd;padding-left:26px}
    .timeline-item{position:relative;margin-bottom:23px}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--green);border:3px solid var(--paper)}
    .timeline-item h3{font-size:19px;margin:0 0 4px}.timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .channel{background:var(--mist);border:1px solid var(--line);border-radius:16px;padding:35px}
    .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:25px}
    .channel-card{background:var(--paper);padding:20px;border-radius:11px;border:1px solid var(--line)}
    .channel-card h3{font-size:18px;margin:0 0 5px}.channel-card p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:1fr .85fr;gap:48px;align-items:start}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent!important;color:var(--ink)!important;font-weight:700;padding:19px 4px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--green-dark)!important}
    .accordion-button:after{filter:grayscale(1)}
    .accordion-body{color:var(--muted);font-size:15px;padding:0 4px 19px}
    .consult-box{background:var(--graphite);color:#fff;border-radius:var(--radius);padding:30px}
    .consult-box h2{font-size:27px;margin:0 0 10px}.consult-box p{color:#c8d2c7;font-size:14px}
    .form-control,.form-select{background:#f7f8f3;border:1px solid #536158;border-radius:9px;min-height:46px;color:var(--ink)}
    .form-label{font-size:14px;color:#dce5da;margin-bottom:5px}
    .form-note{font-size:12px;color:#aebdb0;margin-top:12px}
    .footer{background:var(--graphite);color:#fff;padding:66px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1fr;gap:40px}
    .footer h3{font-size:21px;color:var(--green);margin:0 0 12px}.footer h4{font-size:16px;margin:0 0 14px}
    .footer p,.footer li,.footer a{color:#b9c5ba;font-size:14px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:7px 0}.footer a:hover{color:var(--green)}
    .footer-bottom{border-top:1px solid #465248;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#9eada1}
    @media(max-width:992px){
      .nav-inner{gap:14px}.navbar-nav{margin:15px 0!important}.nav-cta{margin-bottom:18px}
      .scene-entry{grid-template-columns:1fr}.scene-entry img{height:245px}.workflow,.dashboard,.implementation,.faq-wrap{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .top-inner{display:block}.top-inner>div+div{margin-top:3px}.topbar span+span{margin-left:12px}
      .section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .page-hero{min-height:360px}.hero-inner{padding:65px 0}.page-hero h1{font-size:36px}
      .notice-bar{display:block}.notice-bar span{display:block;margin-top:6px}.channel-grid{grid-template-columns:1fr}.metric-panel{grid-template-columns:1fr 1fr}
      .scene-copy{padding:25px}.footer-bottom{display:block}.footer-bottom>div+div{margin-top:10px}
    }
    @media(max-width:520px){
      .brand{font-size:17px}.brand-mark{width:30px;height:30px}.page-hero p{font-size:16px}.metric-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.consult-box{padding:23px}
      .filter-row button{min-height:44px}.btn-main,.btn-outline,.btn-dark{width:100%}
    }
    @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}