/* roulang page: index */
:root{--ink:#171a18;--green:#15352f;--green2:#21463e;--lime:#b8e83e;--paper:#f5f4ee;--white:#fff;--mist:#d9ddd6;--muted:#65706b;--line:#d9ddd6;--radius:18px;--radius-sm:11px;--shadow:0 18px 45px rgba(20,43,37,.08);--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(--ink);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{border:0}::selection{background:var(--lime);color:var(--ink)}.container{max-width:1280px}.topline{height:35px;background:#102a25;color:#dce5df;font-size:12px;display:flex;align-items:center}.topline .container{display:flex;align-items:center;justify-content:space-between}.top-meta,.top-contact{display:flex;align-items:center;gap:14px}.top-meta span+span,.top-contact span+span{border-left:1px solid rgba(255,255,255,.2);padding-left:14px}.top-contact a{color:var(--lime);font-weight:700}.main-nav{background:rgba(245,244,238,.96);border-bottom:1px solid var(--line);min-height:82px}.navbar-brand{font-weight:800;font-size:20px;letter-spacing:-.8px;color:var(--green)!important}.brand-dot{display:inline-block;width:9px;height:9px;background:var(--lime);border-radius:50%;margin:0 7px 2px 0}.navbar-nav{gap:8px}.nav-link{position:relative;padding:10px 14px!important;color:#43504b!important;font-size:14px;font-weight:700}.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:.25s}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.navbar-toggler{border:1px solid var(--line);padding:8px 10px;border-radius:9px}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(184,232,62,.35)}.btn{border-radius:10px;font-weight:800;padding:12px 19px;transition:.22s;line-height:1.35}.btn-primary{background:var(--lime);border-color:var(--lime);color:var(--ink)}.btn-primary:hover,.btn-primary:active{background:#d0f464!important;border-color:#d0f464!important;color:var(--ink)!important;transform:translateY(-2px)}.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}.btn-outline-light:hover{background:#fff;border-color:#fff;color:var(--green);transform:translateY(-2px)}.btn-outline-dark{border-color:#9ba59f;color:var(--green)}.btn-outline-dark:hover{background:var(--green);border-color:var(--green);color:#fff}.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,232,62,.7);outline-offset:3px;box-shadow:none}.section{padding:110px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}.eyebrow:before{content:"";height:1px;width:28px;background:var(--lime)}.section-title{font-size:40px;line-height:1.25;letter-spacing:-1.6px;font-weight:800;color:var(--green);margin:13px 0 18px}.section-intro{max-width:670px;color:var(--muted);margin:0}.hero{height:670px;min-height:620px;background:var(--green)}.hero .carousel,.hero .carousel-inner,.hero .carousel-item{height:100%}.hero-slide{height:100%;position:relative;background-size:cover;background-position:center}.hero-slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,31,26,.91) 0%,rgba(11,31,26,.66) 47%,rgba(11,31,26,.18) 100%)}.hero-content{position:relative;color:#fff;height:100%;display:flex;align-items:center;padding:75px 0 95px}.hero-number{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--lime);display:block;margin-bottom:20px}.hero h1,.hero h2{max-width:800px;font-size:62px;line-height:1.15;letter-spacing:-3px;font-weight:800;margin:0 0 21px}.hero p{max-width:730px;font-size:16px;line-height:1.9;color:#e4ece6;margin:0 0 25px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-timer{position:absolute;left:0;right:0;bottom:0;border-top:1px solid rgba(255,255,255,.25);background:rgba(11,31,26,.58);z-index:4}.timer-inner{height:67px;display:flex;align-items:center;justify-content:space-between;color:#e7eee9;font-size:13px}.timer-block{display:flex;align-items:center;gap:18px}.timer-block strong{color:var(--lime);font-size:19px;letter-spacing:1px}.carousel-indicators{bottom:87px;justify-content:flex-end;margin-right:max(6%,calc((100% - 1280px)/2));margin-left:auto;gap:8px}.carousel-indicators [data-bs-target]{width:34px;height:2px;border:0;background:rgba(255,255,255,.55);opacity:1;margin:0}.carousel-indicators .active{background:var(--lime)}.intro-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:75px;align-items:center}.info-lines{margin-top:27px;border-top:1px solid var(--line)}.info-line{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.info-line strong{color:var(--green)}.tag{display:inline-flex;align-items:center;border:1px solid #cad1ca;border-radius:50px;padding:4px 10px;color:#52605a;font-size:12px;font-weight:700;margin:5px 5px 0 0}.console{background:var(--green);border-radius:24px;padding:19px;box-shadow:var(--shadow);position:relative}.console img{height:405px;width:100%;object-fit:cover;border-radius:14px;opacity:.78}.console-panel{position:absolute;left:40px;bottom:40px;width:59%;padding:18px;background:rgba(245,244,238,.95);border-radius:14px;color:var(--ink)}.console-panel small{color:var(--muted)}.console-panel strong{display:block;font-size:28px;color:var(--green);line-height:1.3;margin-top:4px}.dashboard{background:#e9ece5;padding:85px 0}.dashboard-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:42px}.lead-metric{padding:37px;background:var(--green);color:#fff;border-radius:var(--radius);min-height:310px;display:flex;flex-direction:column;justify-content:space-between}.lead-metric span{color:#bcd0c4;font-size:13px}.lead-metric b{font-size:74px;letter-spacing:-4px;line-height:1;color:var(--lime)}.lead-metric em{font-style:normal;font-size:14px;color:#dce5df}.spark{height:62px;position:relative;border-bottom:1px solid rgba(255,255,255,.25);background:linear-gradient(160deg,transparent 45%,rgba(184,232,62,.85) 46%,rgba(184,232,62,.85) 49%,transparent 50%),linear-gradient(145deg,transparent 40%,rgba(184,232,62,.8) 41%,rgba(184,232,62,.8) 44%,transparent 45%)}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.metric{background:#fff;border:1px solid var(--line);padding:26px;border-radius:var(--radius);min-height:145px}.metric:nth-child(2){background:#dfe8c8}.metric b{display:block;color:var(--green);font-size:31px;line-height:1.25;letter-spacing:-1px}.metric span{color:var(--muted);font-size:13px}.metric small{display:block;margin-top:11px;color:#748079;font-size:11px}.matrix-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.ability{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--radius);min-height:234px;transition:.25s;position:relative}.ability:nth-child(2){grid-column:span 2;background:#edf2df}.ability:hover{transform:translateY(-4px);border-color:#9bbd45;box-shadow:var(--shadow)}.ability i{font-size:25px;color:var(--green);transition:.25s}.ability:hover i{transform:translateX(5px);color:#719d13}.ability .num{float:right;color:#99a49e;font-size:12px;font-weight:800}.ability h3{font-size:20px;color:var(--green);font-weight:800;margin:22px 0 8px}.ability p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}.ability .tag{margin-top:13px;font-size:10px}.products{padding-top:35px}.product-list{margin-top:40px;display:grid;gap:18px}.product-card{display:grid;grid-template-columns:42% 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.product-card:nth-child(2){margin-left:7%;grid-template-columns:47% 1fr}.product-card:nth-child(3){margin-right:10%}.product-card img{height:250px;width:100%;object-fit:cover}.product-copy{padding:28px}.product-copy h3{font-size:23px;font-weight:800;color:var(--green);margin:11px 0}.product-copy p{font-size:13px;color:var(--muted);margin-bottom:14px}.checklist{padding:0;margin:0 0 18px;list-style:none;display:flex;gap:13px;flex-wrap:wrap;font-size:12px;font-weight:700;color:#53615b}.checklist li:before{content:"✓";color:#719d13;margin-right:5px}.category-entry{margin-top:48px;padding-top:30px;border-top:1px solid var(--line)}.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}.entry-link{padding:19px;border-right:1px solid var(--line);background:#fff;font-weight:800;color:var(--green);font-size:14px;transition:.2s}.entry-link:last-child{border:0}.entry-link span{color:#89a18e;margin-right:9px}.entry-link:hover{background:var(--green);color:#fff}.dark-results{background:var(--green);color:#fff}.dark-results .section-title{color:#fff}.dark-results .section-intro{color:#c3d1c8}.compare{margin-top:42px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);overflow:hidden}.compare-row{display:grid;grid-template-columns:1fr 1fr}.compare-cell{padding:30px;border-right:1px solid rgba(255,255,255,.16)}.compare-cell:last-child{border:0;background:rgba(184,232,62,.1)}.compare-cell h3{font-size:19px;font-weight:800}.compare-cell ul{padding:0;margin:17px 0 0;list-style:none;color:#d1ddd5;font-size:14px}.compare-cell li{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.12)}.compare-cell li:last-child{border:0}.result-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.15);margin-top:1px}.result-item{background:#173a33;padding:25px}.result-item b{display:block;font-size:30px;color:var(--lime);line-height:1.2}.result-item span{font-size:12px;color:#c7d4cc}.milestone-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px;align-items:stretch;margin-top:40px}.timeline{border-left:1px solid var(--mist);padding-left:27px}.timeline-item{position:relative;padding:0 0 22px}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;left:-32px;top:7px;background:var(--lime);box-shadow:0 0 0 5px #ebeee7}.timeline-item b{display:block;color:var(--green);font-size:15px}.timeline-item span{color:var(--muted);font-size:13px}.story{background:#e5ecd1;border-radius:var(--radius);padding:35px;position:relative;overflow:hidden}.story:after{content:"“";position:absolute;right:20px;bottom:-40px;font-size:180px;color:rgba(21,53,47,.1);font-family:serif}.story small{color:#5b721b;font-weight:800}.story blockquote{margin:20px 0;font-size:23px;line-height:1.55;font-weight:800;color:var(--green);position:relative;z-index:1}.story .story-meta{display:flex;gap:11px;align-items:center;color:#597066;font-size:13px}.story-avatar{width:34px;height:34px;background:var(--green);border-radius:50%;color:var(--lime);display:grid;place-items:center;font-weight:800}.stats{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:42px 0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:3px 35px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat b{display:block;font-size:42px;line-height:1.15;color:var(--green);letter-spacing:-2px}.stat span{font-size:13px;color:var(--muted)}.stat small{display:block;font-size:10px;color:#929c96;margin-top:5px}.reviews-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:40px}.big-review{background:var(--green);color:#fff;border-radius:var(--radius);padding:38px;min-height:320px}.big-review .quote{font-size:29px;line-height:1.6;font-weight:700;margin:27px 0}.review-label{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1px}.review-info{color:#c2d0c8;font-size:13px}.small-reviews{display:grid;gap:20px}.small-review{border:1px solid var(--line);border-radius:var(--radius);padding:25px;background:#fff}.small-review p{font-size:14px;margin:13px 0;color:#3e4b45}.news{background:#e9ece5}.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:35px;margin-top:40px}.feature-news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.feature-news img{height:225px;width:100%;object-fit:cover}.feature-news div{padding:25px}.news-date{font-size:11px;color:#78857e;font-weight:700}.feature-news h3{font-size:22px;font-weight:800;color:var(--green);margin:10px 0}.feature-news p{font-size:13px;color:var(--muted);margin:0}.news-list{border-top:1px solid #cbd1cb}.news-item{padding:17px 2px;border-bottom:1px solid #cbd1cb}.news-item h3{font-size:16px;font-weight:800;color:var(--green);margin:5px 0}.news-item p{font-size:12px;color:var(--muted);margin:0}.more-toggle{margin-top:20px;font-size:13px;font-weight:800;color:var(--green);cursor:pointer;background:none;padding:0}.assurance-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.assurance{padding:27px 20px;border-right:1px solid var(--line)}.assurance:last-child{border:0}.assurance i{font-size:21px;color:#719d13}.assurance h3{font-size:16px;font-weight:800;color:var(--green);margin:13px 0 6px}.assurance p{font-size:12px;color:var(--muted);margin:0}.quick{background:#edf2df}.quick-tabs{margin-top:35px;display:flex;gap:8px;flex-wrap:wrap}.quick-tabs .nav-link{border:1px solid #c4cfb2;border-radius:9px!important;padding:10px 16px!important;color:var(--green)!important}.quick-tabs .nav-link.active{background:var(--green);border-color:var(--green);color:#fff!important}.quick-tabs .nav-link:after{display:none}.quick-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-top:17px;padding:28px}.quick-panel h3{font-size:19px;color:var(--green);font-weight:800}.quick-panel p{color:var(--muted);font-size:14px;margin:7px 0 0}.faq-wrap{max-width:900px;margin:40px auto 0}.accordion-item{border:0!important;border-bottom:1px solid var(--line)!important;background:transparent!important}.accordion-button{background:transparent!important;color:var(--green)!important;font-weight:800;font-size:17px;padding:21px 4px}.accordion-button:not(.collapsed){box-shadow:none;border-left:3px solid var(--lime);padding-left:16px}.accordion-button:focus{box-shadow:none}.accordion-button:after{background-size:15px}.accordion-body{padding:0 6px 20px 20px;color:var(--muted);font-size:14px}.cta{background:#111f1b;color:#fff;padding:85px 0}.cta-grid{display:grid;grid-template-columns:1fr .95fr;gap:70px;align-items:center}.cta .section-title{color:#fff}.cta .section-intro{color:#c6d1ca}.form-box{background:#f5f4ee;padding:26px;border-radius:var(--radius);color:var(--ink)}.form-label{font-size:12px;font-weight:800;color:var(--green);margin-bottom:5px}.form-control,.form-select{border:1px solid #ccd3cc;background:#fff;border-radius:9px;padding:11px 12px;color:var(--ink)}.form-control:focus,.form-select:focus{border-color:#8fb52c;box-shadow:0 0 0 3px rgba(184,232,62,.25)}.form-text{font-size:11px;color:#748079}.invalid-feedback{font-size:11px}.success-message{display:none;margin-top:12px;padding:10px 12px;background:#e2f2c4;color:#34520a;font-size:13px;font-weight:700;border-radius:8px}.site-footer{background:#171a18;color:#d1dad4;padding:55px 0 23px}.footer-grid{display:grid;grid-template-columns:1.2fr .65fr .8fr .8fr;gap:30px}.footer-brand{font-size:21px;font-weight:800;color:#fff}.footer-text{font-size:13px;color:#9eaaa3;margin:12px 0}.footer-title{font-size:13px;font-weight:800;color:#fff;margin-bottom:12px}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:7px 0;font-size:13px}.footer-links a:hover{color:var(--lime)}.qr{width:83px;height:83px;background:repeating-linear-gradient(45deg,#eef4ed 0 3px,#18231f 3px 6px);padding:5px;border-radius:6px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;font-size:12px;color:#89948e;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}.footer-bottom a{color:#bfc9c2}.floating-call{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--lime);color:var(--green);display:grid;place-items:center;box-shadow:0 8px 23px rgba(0,0,0,.22);z-index:20;transition:.2s}.floating-call:hover{transform:translateY(-3px);color:var(--green)}.extra-news{display:none}.extra-news.show{display:block}
@media(max-width:991px){.navbar-collapse{padding:15px 0}.navbar-nav{padding:8px 0}.nav-link{padding:12px 5px!important}.nav-link:after{left:5px;right:auto;width:30px}.hero h1,.hero h2{font-size:49px}.intro-layout,.milestone-grid,.cta-grid{grid-template-columns:1fr;gap:35px}.console{max-width:700px}.ability:nth-child(2){grid-column:span 1}.entry-grid{grid-template-columns:repeat(2,1fr)}.entry-link:nth-child(2){border-right:0}.entry-link:nth-child(-n+2){border-bottom:1px solid var(--line)}.assurance-grid{grid-template-columns:repeat(3,1fr)}.assurance:nth-child(3){border-right:0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.section{padding:72px 0}.top-meta span:not(:first-child),.top-contact .service-time{display:none}.topline .container{padding:0 14px}.main-nav{min-height:70px}.hero{height:570px;min-height:520px}.hero-content{padding:55px 0 90px}.hero h1,.hero h2{font-size:39px;letter-spacing:-2px}.hero p{font-size:14px;line-height:1.8}.timer-inner{height:62px}.timer-block{gap:8px}.timer-block span{display:none}.carousel-indicators{bottom:79px;right:18px;margin:0;justify-content:flex-end}.section-title{font-size:31px}.dashboard-grid,.reviews-grid,.news-grid{grid-template-columns:1fr}.ability-grid{grid-template-columns:1fr}.ability{min-height:0}.product-card,.product-card:nth-child(2){grid-template-columns:1fr;margin:0}.product-card:nth-child(3){margin-right:0}.product-card img{height:195px}.compare-row{grid-template-columns:1fr}.compare-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.result-strip{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}.stat{padding:3px 16px}.stat:nth-child(2){border-right:0}.stat b{font-size:35px}.assurance-grid{grid-template-columns:repeat(2,1fr)}.assurance:nth-child(3){border-right:1px solid var(--line)}.assurance:nth-child(2),.assurance:nth-child(4){border-right:0}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:span 2}.cta{padding:70px 0}.cta-grid{gap:30px}}
@media(max-width:575px){body{font-size:15px}.container{padding-left:18px;padding-right:18px}.top-contact span:first-child{font-size:0}.top-contact span:first-child:before{content:"☎";font-size:14px}.navbar-brand{font-size:17px}.hero h1,.hero h2{font-size:35px}.hero-actions .btn{width:100%;padding:12px}.section-title{font-size:28px}.lead-metric{min-height:260px;padding:28px}.lead-metric b{font-size:60px}.metric-grid{gap:11px}.metric{padding:18px;min-height:128px}.metric b{font-size:25px}.entry-grid{grid-template-columns:1fr}.entry-link,.entry-link:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.entry-link:last-child{border-bottom:0}.console-panel{left:28px;bottom:28px;width:72%}.console img{height:290px}.product-copy{padding:22px}.big-review{padding:28px}.big-review .quote{font-size:22px}.assurance{padding:20px 13px}.accordion-button{font-size:15px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:span 1}.floating-call{right:16px;bottom:16px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{--ink:#171a18;--green:#15352f;--green2:#21463e;--lime:#b8e83e;--paper:#f5f4ee;--white:#fff;--mist:#d9ddd6;--muted:#65706b;--line:#d9ddd6;--radius:18px;--radius-sm:11px;--shadow:0 18px 45px rgba(20,43,37,.08);--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(--ink);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}button{border:0}.container{max-width:1280px}.topline{height:34px;background:var(--green);color:#d7e0da;font-size:12px}.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}.top-meta,.top-contact{display:flex;align-items:center;gap:14px}.top-meta span+span,.top-contact span+span{border-left:1px solid rgba(255,255,255,.2);padding-left:14px}.top-contact a{color:var(--lime);font-weight:800}.main-nav{background:rgba(245,244,238,.97);border-bottom:1px solid var(--line);min-height:82px}.navbar-brand{font-size:20px;font-weight:800;letter-spacing:-.8px;color:var(--green)!important}.brand-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin:0 7px 2px 0;background:var(--lime)}.navbar-nav{gap:8px}.nav-link{position:relative;padding:10px 14px!important;color:#43504b!important;font-size:14px;font-weight:800}.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:.25s}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.navbar-toggler{padding:8px 10px;border:1px solid var(--line);border-radius:9px;color:var(--green)}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(184,232,62,.35)}.btn{padding:12px 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/* roulang page: category2 */
:root{--ink:#171a18;--green:#15352f;--green2:#21463e;--lime:#b8e83e;--paper:#f5f4ee;--white:#fff;--mist:#d9ddd6;--muted:#65706b;--line:#d9ddd6;--radius:18px;--radius-sm:11px;--shadow:0 18px 45px rgba(20,43,37,.08);--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(--ink);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{border:0}.container{max-width:1280px}
.topline{background:var(--green);color:#dbe5df;font-size:12px;height:34px;display:flex;align-items:center}.topline .container{display:flex;align-items:center;justify-content:space-between}.top-meta,.top-contact{display:flex;align-items:center;gap:14px}.top-meta span+span,.top-contact span+span{border-left:1px solid rgba(255,255,255,.2);padding-left:14px}.top-contact a{color:var(--lime);font-weight:700}.main-nav{background:rgba(245,244,238,.97);border-bottom:1px solid var(--line);min-height:82px}.navbar-brand{font-weight:800;font-size:20px;letter-spacing:-.8px;color:var(--green)!important}.brand-dot{display:inline-block;width:9px;height:9px;background:var(--lime);border-radius:50%;margin:0 7px 2px 0}.navbar-nav{gap:8px}.nav-link{position:relative;padding:10px 14px!important;color:#43504b!important;font-size:14px;font-weight:700}.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:.25s}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.navbar-toggler{border:1px solid var(--line);padding:8px 10px;border-radius:9px;color:var(--green)}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(184,232,62,.35)}
.btn{border-radius:10px;font-weight:800;padding:12px 19px;transition:.22s;line-height:1.35}.btn-primary{background:var(--lime);border-color:var(--lime);color:var(--ink)}.btn-primary:hover,.btn-primary:active{background:#d0f464!important;border-color:#d0f464!important;color:var(--ink)!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#99a49e;color:var(--green)}.btn-outline-dark:hover{background:var(--green);border-color:var(--green);color:#fff;transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,232,62,.72);outline-offset:3px;box-shadow:none}
.section{padding:105px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.4px}.eyebrow:before{content:"";height:1px;width:28px;background:var(--lime)}.section-title{font-size:40px;line-height:1.25;letter-spacing:-1.6px;font-weight:800;color:var(--green);margin:13px 0 17px}.section-intro{max-width:710px;color:var(--muted);margin:0}.tag{display:inline-flex;align-items:center;border:1px solid #c9d1ca;border-radius:50px;padding:4px 10px;color:#52605a;font-size:12px;font-weight:700;margin:5px 5px 0 0}
.category-hero{position:relative;min-height:375px;display:flex;align-items:center;overflow:hidden;background:var(--green);color:#fff}.category-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,32,27,.95),rgba(11,32,27,.68) 52%,rgba(11,32,27,.18))}.category-hero .bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-4.webp') center/cover;transform:scale(1.03)}.category-hero .container{position:relative;z-index:1}.breadcrumb{margin:0 0 20px;font-size:13px}.breadcrumb-item,.breadcrumb-item a{color:#c6d3cc}.breadcrumb-item+.breadcrumb-item:before{color:#91a49a}.category-hero h1{max-width:790px;font-size:56px;line-height:1.16;letter-spacing:-2.8px;font-weight:800;margin:0 0 17px}.category-hero p{max-width:670px;margin:0;color:#d8e2dc;font-size:16px}.hero-tags{margin-top:19px}.hero-tags .tag{color:#f4f8f4;border-color:rgba(255,255,255,.38)}
.filter-band{padding:28px 0;border-bottom:1px solid var(--line);background:#eeeee8}.filter-inner{display:flex;align-items:center;gap:20px;justify-content:space-between}.filter-label{font-size:13px;font-weight:800;color:var(--green);white-space:nowrap}.nav-pills{gap:8px;flex-wrap:wrap}.nav-pills .nav-link{padding:8px 14px!important;border:1px solid var(--line);border-radius:10px;color:#506058!important;background:#fff;font-size:13px}.nav-pills .nav-link.active,.nav-pills .nav-link:hover{background:var(--green);border-color:var(--green);color:#fff!important}.nav-pills .nav-link:after{display:none}
.scene-list{margin-top:48px;display:grid;gap:16px}.scene-card{display:grid;grid-template-columns:285px 1fr 185px;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b5c998}.scene-card img{width:100%;height:100%;min-height:205px;object-fit:cover}.scene-content{padding:26px 30px}.scene-number{font-size:12px;font-weight:800;color:#789b25;letter-spacing:1.2px}.scene-content h3{font-size:21px;color:var(--green);font-weight:800;margin:7px 0 9px}.scene-content p{font-size:14px;color:var(--muted);margin:0}.scene-side{padding:25px 20px;border-left:1px solid var(--line);background:#fafaf6;display:flex;flex-direction:column;justify-content:space-between}.scene-side b{font-size:13px;color:var(--green)}.scene-side span{font-size:12px;color:var(--muted)}
.metrics{background:#e9ece4}.metric-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;margin-top:42px}.metric-lead{background:var(--green);color:#fff;border-radius:var(--radius);padding:36px;display:flex;flex-direction:column;justify-content:space-between;min-height:300px}.metric-lead span{font-size:13px;color:#c2d3c8}.metric-lead b{font-size:67px;line-height:1;color:var(--lime);letter-spacing:-4px}.metric-lead small{color:#dce6df;font-size:12px}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.metric-cell{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px}.metric-cell i{color:#6e9720;font-size:18px}.metric-cell b{display:block;font-size:30px;line-height:1.2;color:var(--green);margin:17px 0 5px}.metric-cell span{font-size:13px;color:var(--muted)}
.problem-grid{display:grid;grid-template-columns:1fr 1.15fr .72fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:42px}.problem-head,.problem-row{display:contents}.problem-grid strong,.problem-grid .cell{padding:20px 24px;border-bottom:1px solid var(--line)}.problem-grid strong{font-size:12px;letter-spacing:1px;color:#68756e;background:#eceee8}.problem-grid .cell{background:#fff;font-size:14px}.problem-grid .problem-row:last-child .cell{border-bottom:0}.result-tag{display:inline-block;padding:3px 9px;border-radius:20px;background:#edf6d6;color:#537213;font-weight:800;font-size:11px}
.stories{background:var(--green);color:#fff}.stories .section-title{color:#fff}.stories .section-intro{color:#cad7d0}.story-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;margin-top:42px}.story-main{position:relative;min-height:400px;border-radius:var(--radius);overflow:hidden;padding:35px;display:flex;flex-direction:column;justify-content:flex-end}.story-main:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,27,22,.94),rgba(8,27,22,.08) 80%),url('/assets/images/coverpic/cover-8.webp') center/cover}.story-main>*{position:relative}.quote-mark{font-size:58px;line-height:.7;color:var(--lime)}.story-main h3{font-size:28px;font-weight:800;margin:12px 0}.story-main p{color:#d8e3db;max-width:670px;margin:0}.story-meta{margin-top:20px;font-size:13px;color:#c6d5cd}.story-side{display:grid;gap:20px}.story-mini{padding:27px;background:#21463e;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius)}.story-mini b{display:block;font-size:31px;color:var(--lime);line-height:1.2}.story-mini h3{font-size:16px;margin:12px 0 7px}.story-mini p{font-size:13px;color:#c8d7cf;margin:0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:45px;border-top:1px solid var(--line)}.step{position:relative;padding:26px 22px 0 0;min-height:180px;border-right:1px solid var(--line)}.step:not(:first-child){padding-left:22px}.step:last-child{border-right:0}.step-no{display:block;color:#789c20;font-size:12px;font-weight:800;letter-spacing:1.3px}.step h3{font-size:18px;color:var(--green);font-weight:800;margin:12px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}
.cta-section{padding:90px 0;background:#dce7c4}.cta-box{display:grid;grid-template-columns:1fr .9fr;gap:55px;background:var(--green);padding:48px;border-radius:24px;color:#fff}.cta-box h2{font-size:37px;line-height:1.24;letter-spacing:-1.5px;font-weight:800;margin:12px 0}.cta-box p{color:#c7d7ce;margin:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid .wide{grid-column:1/-1}.form-label{font-size:12px;font-weight:800;color:#dbe7df;margin-bottom:5px}.form-control,.form-select{border:1px solid #698078;border-radius:9px;background:#fff;padding:11px 12px;color:var(--ink)}.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,232,62,.22)}.privacy{font-size:11px;color:#b8c9c0;margin:12px 0 0}.form-feedback{display:none;margin-top:12px;padding:10px 12px;border-radius:8px;background:#eaf5ce;color:#334a12;font-size:13px;font-weight:700}
.site-footer{background:#171a18;color:#d1dad4;padding:67px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1.1fr .7fr;gap:35px}.footer-brand{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.7px}.footer-text{font-size:13px;color:#aeb8b2;max-width:340px;margin:15px 0}.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:15px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{font-size:13px;color:#aeb8b2;margin:8px 0}.footer-links a:hover{color:var(--lime)}.qr{width:78px;height:78px;background:repeating-linear-gradient(90deg,#d9e3dc 0 5px,transparent 5px 9px),repeating-linear-gradient(#d9e3dc 0 5px,transparent 5px 9px);border:5px solid #d9e3dc;border-radius:5px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #374039;margin-top:48px;padding-top:20px;font-size:12px;color:#89948d}.footer-bottom a{color:#c4d8a3}
@media(max-width:991px){.navbar-collapse{padding:12px 0 18px}.navbar-nav{align-items:flex-start!important}.nav-link{padding:11px 5px!important}.nav-link:after{left:5px;right:5px}.category-hero h1{font-size:47px}.scene-card{grid-template-columns:230px 1fr}.scene-side{grid-column:1/-1;min-height:80px;flex-direction:row;align-items:center;border-left:0;border-top:1px solid var(--line)}.story-grid,.cta-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){body{font-size:15px}.top-meta{display:none}.topline .container{justify-content:flex-end}.service-time{display:none}.section{padding:72px 0}.section-title{font-size:31px;letter-spacing:-1px}.category-hero{min-height:340px}.category-hero h1{font-size:38px;letter-spacing:-1.7px}.category-hero p{font-size:14px}.filter-inner{display:block}.filter-label{margin-bottom:12px}.scene-list{margin-top:32px}.scene-card{grid-template-columns:1fr}.scene-card img{height:205px}.scene-content{padding:23px}.scene-side{grid-column:auto}.metric-layout,.metric-grid{grid-template-columns:1fr}.metric-lead{min-height:245px}.problem-grid{display:block;border:0;background:transparent}.problem-grid strong{display:none}.problem-grid .cell{border:1px solid var(--line);border-bottom:0;padding:16px 18px}.problem-row{display:grid;grid-template-columns:1fr}.problem-row .cell:first-child{border-radius:12px 12px 0 0;background:#edf0e9;font-weight:800;color:var(--green)}.problem-row .cell:last-child{border-bottom:1px solid var(--line);border-radius:0 0 12px 12px;margin-bottom:13px}.story-main{min-height:370px}.steps-grid{grid-template-columns:1fr 1fr}.step{border-bottom:1px solid var(--line);min-height:165px}.step:nth-child(2){border-right:0}.step:nth-child(n+3){padding-top:24px}.cta-box{padding:31px 23px;gap:26px}.cta-box h2{font-size:29px}.footer-grid{grid-template-columns:1fr;gap:27px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:7px 0}}
@media(max-width:575px){.navbar-brand{font-size:17px}.top-contact{gap:10px}.category-hero h1{font-size:34px}.metric-lead b{font-size:57px}.scene-content h3{font-size:19px}.steps-grid{grid-template-columns:1fr}.step,.step:not(:first-child){padding:22px 0;border-right:0}.form-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category3 */
:root{--ink:#171a18;--green:#15352f;--green2:#21463e;--lime:#b8e83e;--paper:#f5f4ee;--white:#fff;--mist:#d9ddd6;--muted:#65706b;--line:#d9ddd6;--radius:18px;--radius-sm:11px;--shadow:0 18px 45px rgba(20,43,37,.08);--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(--ink);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden} a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input,select,textarea{font:inherit} button{border:0}.container{max-width:1280px}
.topline{height:34px;background:var(--green);color:#d9e4dd;font-size:12px}.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}.top-meta,.top-contact{display:flex;align-items:center;gap:14px}.top-meta span+span,.top-contact span+span{border-left:1px solid rgba(255,255,255,.2);padding-left:14px}.top-contact a{color:var(--lime);font-weight:700}
.main-nav{background:rgba(245,244,238,.97);border-bottom:1px solid var(--line);min-height:82px}.navbar-brand{font-weight:800;font-size:20px;letter-spacing:-.8px;color:var(--green)!important}.brand-dot{display:inline-block;width:9px;height:9px;background:var(--lime);border-radius:50%;margin:0 7px 2px 0}.navbar-nav{gap:8px}.nav-link{position:relative;padding:10px 14px!important;color:#43504b!important;font-size:14px;font-weight:700}.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:.25s}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.navbar-toggler{border:1px solid var(--line);padding:8px 10px;border-radius:9px;color:var(--green)}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(184,232,62,.35)}
.btn{border-radius:10px;font-weight:800;padding:12px 19px;transition:.22s;line-height:1.35}.btn-primary{background:var(--lime);border-color:var(--lime);color:var(--ink)}.btn-primary:hover,.btn-primary:active{background:#d0f464!important;border-color:#d0f464!important;color:var(--ink)!important;transform:translateY(-2px)}.btn-outline-dark{border-color:#8b9890;color:var(--green)}.btn-outline-dark:hover{background:var(--green);border-color:var(--green);color:#fff;transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.accordion-button:focus-visible{outline:3px solid rgba(184,232,62,.75);outline-offset:3px;box-shadow:none}
.section{padding:104px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.4px}.eyebrow:before{content:"";height:1px;width:28px;background:var(--lime)}.section-title{font-size:40px;line-height:1.25;letter-spacing:-1.6px;font-weight:800;color:var(--green);margin:13px 0 17px}.section-intro{max-width:690px;color:var(--muted);margin:0}.tag{display:inline-flex;align-items:center;border:1px solid #cad1ca;border-radius:50px;padding:4px 10px;color:#52605a;font-size:12px;font-weight:700;margin:5px 5px 0 0}
.category-hero{position:relative;overflow:hidden;background:var(--green);min-height:385px;color:#fff}.category-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,37,31,.95),rgba(12,37,31,.74),rgba(12,37,31,.18));z-index:1}.category-hero .hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}.category-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:58px}.breadcrumb{margin:0 0 25px;font-size:13px}.breadcrumb-item,.breadcrumb-item a{color:#d1ddd6}.breadcrumb-item+.breadcrumb-item:before{color:#9bb2a6}.category-hero h1{font-size:54px;line-height:1.18;letter-spacing:-2.5px;font-weight:800;max-width:760px;margin:0 0 17px}.category-hero p{max-width:650px;color:#d8e4dc;margin:0;font-size:16px}.hero-tags{margin-top:18px}.hero-tags .tag{border-color:rgba(255,255,255,.34);color:#f2f7f3}
.intro-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:76px;align-items:center}.signal-list{margin:25px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.signal-list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:14px}.signal-list b{color:var(--green)}.protocol-board{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.protocol-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:19px}.protocol-top b{color:var(--green);font-size:16px}.status-live{font-size:12px;font-weight:800;color:#4e7000}.status-live i{color:var(--lime);font-size:9px;margin-right:5px}.node-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:26px}.node{min-height:120px;padding:14px;background:var(--paper);border-radius:12px;position:relative}.node:not(:last-child):after{content:"";position:absolute;right:-6px;top:50%;height:1px;width:12px;background:#8e9c94}.node span{display:block;color:var(--muted);font-size:11px}.node b{display:block;color:var(--green);font-size:15px;line-height:1.3;margin-top:9px}
.service-area{background:#ebede7}.service-layout{display:grid;grid-template-columns:250px 1fr;gap:46px;margin-top:42px}.service-index{border-left:1px solid #bcc5be;padding-left:18px;height:max-content}.service-index a{display:block;padding:9px 0;color:var(--muted);font-size:13px;transition:.2s}.service-index a:hover{color:var(--green);padding-left:5px}.service-list{display:grid;gap:12px}.service-item{display:grid;grid-template-columns:72px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);padding:22px 24px;border-radius:14px;transition:.25s}.service-item:hover{border-color:#92b948;transform:translateX(4px);box-shadow:0 12px 30px rgba(20,43,37,.06)}.service-no{font-size:13px;font-weight:800;letter-spacing:1px;color:#7b8981}.service-item h3{font-size:18px;line-height:1.35;color:var(--green);margin:0 0 4px;font-weight:800}.service-item p{margin:0;font-size:13px;color:var(--muted)}.service-item i{color:#75951d;font-size:18px}
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:43px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.flow-step{padding:27px 20px;min-height:205px;border-right:1px solid var(--line);position:relative}.flow-step:last-child{border-right:0}.flow-step .num{color:#7d8b83;font-size:12px;font-weight:800}.flow-step h3{font-size:17px;color:var(--green);font-weight:800;margin:18px 0 9px}.flow-step p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.flow-step:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);top:26px;right:-5px}.flow-step:last-child:after{display:none}
.monitor-section{background:var(--green);color:#fff}.monitor-section .section-title{color:#fff}.monitor-section .section-intro{color:#c2d0c7}.monitor-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;margin-top:42px}.chart-panel,.priority-panel{background:#193c35;border:1px solid rgba(217,221,214,.16);border-radius:18px;padding:27px}.panel-label{font-size:12px;letter-spacing:1px;color:#b8c8bf;font-weight:700}.chart-stat{font-size:45px;line-height:1.1;color:var(--lime);font-weight:800;margin:15px 0 4px}.chart-caption{font-size:13px;color:#c0cec6}.line-chart{height:142px;margin-top:20px;position:relative;background:repeating-linear-gradient(to bottom,transparent 0,transparent 34px,rgba(255,255,255,.1) 35px)}.line-chart svg{width:100%;height:100%;overflow:visible}.priority-list{margin-top:17px}.priority-row{display:grid;grid-template-columns:12px 1fr auto;gap:11px;align-items:center;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:13px}.priority-row:last-child{border:0}.priority-dot{width:8px;height:8px;border-radius:50%}.priority-row span{color:#d4dfd8}.priority-row b{font-size:12px;color:#fff}
.security-layout{display:grid;grid-template-columns:1fr .8fr;gap:64px;align-items:center}.security-stack{display:grid;gap:12px;margin-top:30px}.security-card{display:grid;grid-template-columns:46px 1fr auto;gap:14px;align-items:center;padding:19px;background:#fff;border:1px solid var(--line);border-radius:14px}.security-icon{height:42px;width:42px;border-radius:11px;background:#e9efdc;color:var(--green);display:grid;place-items:center}.security-card h3{font-size:16px;color:var(--green);font-weight:800;margin:0}.security-card p{font-size:12px;color:var(--muted);margin:2px 0 0}.security-card span{font-size:11px;color:#5e790d;font-weight:800}.access-map{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow)}.access-map h3{font-size:18px;font-weight:800;color:var(--green);margin:0 0 18px}.access-core{padding:19px;background:var(--green);color:#fff;border-radius:12px;text-align:center;font-weight:800}.access-tier{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:13px}.access-tier div{padding:14px 8px;text-align:center;font-size:12px;background:var(--paper);border-radius:10px;color:var(--green);font-weight:700}.log-strip{margin-top:13px;padding:13px 14px;border-left:3px solid var(--lime);background:#f0f2eb;color:var(--muted);font-size:12px}
.questions-area{background:#eeefe9}.question-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}.question-item{background:transparent;border-bottom:1px solid #cfd5ce;padding:17px 0}.question-item .accordion-button{background:transparent;box-shadow:none;padding:0;color:var(--green);font-weight:800;font-size:16px;line-height:1.5}.question-item .accordion-button:not(.collapsed){color:var(--green)}.question-item .accordion-button:after{background-size:14px;filter:sepia(1) saturate(2) hue-rotate(60deg)}.question-item .accordion-body{padding:11px 26px 0 0;color:var(--muted);font-size:13px;line-height:1.8}.question-item .accordion-item{border:0;background:transparent}
.consult-section{padding:88px 0;background:#101d19;color:#fff}.consult-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}.consult-section .eyebrow{color:var(--lime)}.consult-section .section-title{color:#fff;font-size:40px}.consult-section .section-intro{color:#bdcbc2}.consult-points{padding:0;margin:24px 0 0;list-style:none;color:#d7e1da;font-size:14px}.consult-points li{margin:9px 0}.consult-points i{color:var(--lime);margin-right:9px}.consult-form{background:#f7f7f2;color:var(--ink);padding:25px;border-radius:18px}.form-label{font-size:13px;color:#415149;font-weight:800;margin-bottom:6px}.form-control,.form-select{border:1px solid #ccd3cb;border-radius:9px;padding:11px 12px;color:var(--ink);background:#fff}.form-control:focus,.form-select:focus{border-color:#87ac30;box-shadow:0 0 0 3px rgba(184,232,62,.2)}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.form-feedback{display:none;margin-top:13px;padding:10px 12px;background:#e4f0c7;color:#35510c;border-radius:8px;font-size:13px;font-weight:700}
.site-footer{background:#171a18;color:#d1dad4;padding:67px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .75fr 1fr .8fr;gap:40px}.footer-brand{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.7px}.footer-text{font-size:13px;line-height:1.8;color:#aeb8b2;max-width:310px;margin:15px 0}.footer-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:14px}.footer-links{padding:0;margin:0;list-style:none;font-size:13px;color:#aeb8b2}.footer-links li{margin-bottom:8px}.footer-links a:hover{color:var(--lime)}.qr{width:64px;height:64px;background:repeating-linear-gradient(90deg,#d9e0db 0 4px,transparent 4px 8px),repeating-linear-gradient(#d9e0db 0 4px,transparent 4px 8px);border:5px solid #d9e0db}.footer-bottom{border-top:1px solid #38423d;margin-top:45px;padding-top:19px;display:flex;justify-content:space-between;gap:18px;font-size:12px;color:#8f9b94}.footer-bottom a{color:#d1dad4}
@media(max-width:991.98px){.section{padding:76px 0}.category-hero h1{font-size:44px}.intro-layout,.security-layout,.consult-box{grid-template-columns:1fr;gap:35px}.service-layout{grid-template-columns:1fr;gap:23px}.service-index{display:flex;flex-wrap:wrap;gap:4px;border-left:0;border-top:1px solid #bcc5be;padding:11px 0 0}.service-index a{padding:4px 10px}.flow-grid{grid-template-columns:repeat(3,1fr)}.flow-step:nth-child(3){border-right:0}.monitor-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.3fr 1fr}.navbar-nav{padding:13px 0}.nav-link{padding:11px 4px!important}.nav-link:after{left:4px;right:auto;width:28px}.main-nav .btn{margin-top:10px;width:max-content}.service-time{display:none}}
@media(max-width:767.98px){body{font-size:15px}.top-meta{display:none}.topline .container{justify-content:flex-end}.top-contact{gap:10px}.top-contact span+span{padding-left:10px}.category-hero{min-height:350px}.category-hero .container{padding-top:42px}.category-hero h1{font-size:38px;letter-spacing:-1.7px}.category-hero p{font-size:14px}.section-title{font-size:30px;letter-spacing:-1px}.node-flow{grid-template-columns:repeat(2,1fr)}.node:nth-child(2):after{display:none}.service-item{grid-template-columns:42px 1fr;padding:18px}.service-item i{display:none}.flow-grid{grid-template-columns:1fr}.flow-step,.flow-step:nth-child(3){border-right:0;border-bottom:1px solid var(--line);min-height:auto}.flow-step:last-child{border-bottom:0}.flow-step:after{right:auto;left:25px;top:auto;bottom:-5px}.access-tier{grid-template-columns:1fr}.question-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}}
@media(max-width:575.98px){.container{padding-left:18px;padding-right:18px}.navbar-brand{font-size:17px}.category-hero h1{font-size:34px}.section{padding:62px 0}.section-title{font-size:28px}.protocol-board{padding:19px}.node{min-height:100px;padding:11px}.consult-section{padding:62px 0}.consult-section .section-title{font-size:30px}.consult-form{padding:18px}.footer-grid{grid-template-columns:1fr;gap:28px}.breadcrumb{font-size:12px}.top-contact{font-size:11px}.top-contact .fa-phone{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category4 */
:root{--ink:#171a18;--green:#15352f;--green2:#21463e;--lime:#b8e83e;--paper:#f5f4ee;--white:#fff;--mist:#d9ddd6;--muted:#65706b;--line:#d9ddd6;--radius:18px;--radius-sm:11px;--shadow:0 18px 45px rgba(20,43,37,.08);--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(--ink);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.container{max-width:1280px}.topline{height:34px;background:var(--green);color:#d7e2da;font-size:12px}.topline .container{height:34px;display:flex;align-items:center;justify-content:space-between}.top-meta,.top-contact{display:flex;align-items:center;gap:14px}.top-meta span+span,.top-contact span+span{border-left:1px solid rgba(255,255,255,.2);padding-left:14px}.top-contact a{color:var(--lime);font-weight:700}.main-nav{background:rgba(245,244,238,.97);border-bottom:1px solid var(--line);min-height:82px}.navbar-brand{font-weight:800;font-size:20px;letter-spacing:-.8px;color:var(--green)!important}.brand-dot{display:inline-block;width:9px;height:9px;background:var(--lime);border-radius:50%;margin:0 7px 2px 0}.navbar-nav{gap:8px}.nav-link{position:relative;padding:10px 14px!important;color:#43504b!important;font-size:14px;font-weight:700}.nav-link:after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:.25s}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.navbar-toggler{border:1px solid var(--line);padding:8px 10px;border-radius:9px}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(184,232,62,.35)}.btn{border-radius:10px;font-weight:800;padding:12px 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@media(max-width:576px){.container{padding-left:20px;padding-right:20px}.top-contact{font-size:11px}.top-contact .service-time{display:none}.insight-hero h1{font-size:34px}.section-title{font-size:28px}.panel-stats b{font-size:21px}.observation-number{font-size:56px}.bar-chart{gap:8px;padding:18px}.bar span{font-size:10px}.consult{padding:55px 0}.form-box{padding:21px}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang: 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}