/* roulang page: index */
:root{
      --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
      --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
      --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.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:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:1220px}
    .topline{height:4px;background:var(--lime)}
    .site-header{background:rgba(243,241,235,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
    .nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
    .main-links{display:flex;gap:5px;align-items:center;flex:1}
    .main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
    .main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .subnav{border-top:1px solid #e2e4dd;background:#eeece5}
    .subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
    .subnav a{font-size:13px;padding:6px 12px}
    .btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .btn-lime{background:var(--lime);color:var(--ink)}
    .btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
    .btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
    .btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:#30433a;transform:translateY(-2px)}
    .btn:focus,.form-control:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
    .hero{min-height:615px;position:relative;display:flex;align-items:center;overflow:hidden;background:var(--dark);color:#fff}
    .hero-slide{min-height:615px;background-size:cover;background-position:center;position:relative}
    .hero-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,31,27,.92) 0%,rgba(20,31,27,.72) 45%,rgba(20,31,27,.23) 100%)}
    .hero-content{position:relative;padding:94px 0 115px;max-width:730px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
    .eyebrow::before{content:"";width:24px;height:2px;background:var(--lime)}
    h1,h2,h3{font-weight:800;letter-spacing:-.045em;line-height:1.2;margin:0}
    h1{font-size:clamp(36px,5vw,68px);max-width:760px}
    h2{font-size:clamp(28px,3.2vw,43px)}
    h3{font-size:20px}
    .hero-copy{font-size:17px;color:#d3ddd7;max-width:670px;margin:26px 0 31px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-soft{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
    .hero .btn-soft:hover{background:rgba(255,255,255,.2)}
    .hero-panel{position:absolute;right:8%;bottom:74px;width:285px;background:rgba(247,250,239,.95);color:var(--ink);padding:22px;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
    .panel-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700}
    .signal{width:9px;height:9px;background:#8dc44d;border-radius:50%;display:inline-block;margin-right:6px}
    .metric{font-size:39px;font-weight:800;line-height:1.1;margin:16px 0 5px}
    .meter{height:7px;background:#e0e6d8;border-radius:9px;overflow:hidden}.meter i{display:block;width:78%;height:100%;background:var(--lime-dark)}
    .carousel-indicators{margin-bottom:27px}.carousel-control-prev,.carousel-control-next{width:7%}
    .section{padding:105px 0}.section-tight{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:42px}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .kicker{font-size:12px;font-weight:800;color:#718078;letter-spacing:.1em;margin-bottom:14px}
    .triple{display:grid;grid-template-columns:1.15fr .92fr .92fr;gap:16px}
    .feature{padding:30px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius);min-height:218px;position:relative}
    .feature:first-child{background:var(--dark);color:#fff;min-height:250px}
    .feature:first-child p{color:#c4d1ca}.feature:hover,.tool-card:hover,.story:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature,.tool-card,.story{transition:var(--ease)}
    .num{font-size:13px;color:#819087;font-weight:800;margin-bottom:42px}.feature:first-child .num{color:var(--lime)}
    .feature p,.tool-card p,.story p{color:var(--muted);margin:12px 0 0}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
    .visual-card{position:relative;background:#dce7db;border-radius:28px;overflow:hidden;min-height:440px}
    .visual-card img{width:100%;height:440px;object-fit:cover;mix-blend-mode:multiply;opacity:.88}
    .spec-box{position:absolute;right:22px;bottom:22px;background:var(--dark);color:#fff;border-radius:17px;padding:20px;width:220px}
    .spec-box strong{display:block;font-size:26px;color:var(--lime)}
    .check-list{list-style:none;padding:0;margin:28px 0 0}.check-list li{padding:13px 0;border-bottom:1px solid var(--line);font-weight:600}.check-list li::before{content:"↗";color:#769c2b;font-weight:800;margin-right:12px}
    .flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .flow-item{padding:28px 28px 20px 0;border-right:1px solid var(--line);margin-right:28px}.flow-item:last-child{border:0}
    .flow-num{font-size:48px;color:#aab6ac;font-weight:800;line-height:1;margin-bottom:25px}
    .flow-item p{color:var(--muted)}
    .dark-section{background:var(--dark);color:#fff}.dark-section .section-head p,.dark-section .muted{color:#b8c8bf}
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#45554d;border:1px solid #45554d}
    .adv-item{background:var(--dark);padding:28px;min-height:175px}.adv-item:hover{background:var(--dark-2)}.adv-item p{color:#b8c8bf;margin:10px 0 0}
    .tool-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}.tool-card{background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden}.tool-card:first-child{background:#e6efcf}
    .tool-card img{height:170px;width:100%;object-fit:cover}.tool-card-body{padding:25px}.tag{display:inline-block;background:#e6eadf;color:#536457;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700;margin:14px 5px 0 0}
    .story-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:16px}.story{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:28px}.story:first-child{background:#e4eee7}.quote{font-size:19px;font-weight:700;line-height:1.5;margin:24px 0}.role{color:#718078;font-size:13px;font-weight:700}
    .stats{background:var(--lime);padding:36px 0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.stat{border-right:1px solid rgba(23,33,30,.2)}.stat:last-child{border:0}.stat strong{display:block;font-size:39px;line-height:1.1}.stat span{font-size:13px;font-weight:700;color:#4b5c41}
    .compare-wrap{overflow-x:auto}.compare{width:100%;min-width:650px;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}.compare th,.compare td{text-align:left;padding:17px 21px;border-bottom:1px solid var(--line)}.compare th{background:#e8ece4;font-size:13px}.compare td:not(:first-child){color:#54645a}.positive{color:#547b23!important;font-weight:800}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:30px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.news-date{font-size:13px;color:#7b8980}.news-item h3{font-size:18px}.news-item p{color:var(--muted);margin:5px 0 0;font-size:14px}.news-arrow{font-size:24px;color:#78933e}.news-feature{background:var(--dark);color:#fff;border-radius:23px;padding:30px}.news-feature p{color:#bdcdc3;margin:20px 0}
    .accordion{border-top:1px solid var(--line)}.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}.accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:22px 0;font-size:17px}.accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}.accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}.accordion-button:not(.collapsed)::after{content:"−";transform:none}.accordion-body{padding:0 40px 23px 0;color:var(--muted)}
    .trust{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust span{font-weight:700;color:#59685f}.trust b{color:#729634;margin-right:8px}
    .cta{background:var(--dark);color:#fff;border-radius:30px;padding:55px 65px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta p{color:#c1d0c7;margin:13px 0 0;max-width:610px}
    .site-footer{background:#121b18;color:#bdc9c2;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr 1fr;gap:35px}.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px}.site-footer a{display:block;color:#aebdb5;padding:4px 0}.site-footer a:hover{color:var(--lime)}.footer-brand{color:#fff;font-size:22px;font-weight:800}.footer-note{font-size:13px;color:#819088;margin-top:18px}.copyright{border-top:1px solid #304039;margin-top:42px;padding-top:20px;font-size:12px;color:#809087;display:flex;justify-content:space-between;gap:15px}
    .mobile-bar{display:none}
    @media(max-width:991px){.main-links{display:none}.nav-main{min-height:64px}.nav-actions{margin-left:auto}.hero-panel{right:4%;bottom:55px;width:235px}.split{gap:35px}.tool-grid,.story-grid{grid-template-columns:1fr 1fr}.tool-card:first-child{grid-column:span 2}.news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:767px){.section{padding:72px 0}.section-tight{padding:52px 0}.nav-actions .btn{display:none}.hero,.hero-slide{min-height:650px}.hero-content{padding:78px 0 100px}.hero-panel{position:relative;right:auto;bottom:auto;margin-top:35px;width:245px}.hero-slide::before{background:linear-gradient(90deg,rgba(20,31,27,.95),rgba(20,31,27,.7))}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:17px}.triple,.flow,.adv-grid,.stats-grid{grid-template-columns:1fr}.feature{min-height:0}.feature:first-child{min-height:0}.flow-item{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:25px 0}.adv-grid{gap:1px}.adv-item{min-height:0}.stats-grid{gap:0}.stat{border-right:0;border-bottom:1px solid rgba(23,33,30,.2);padding:16px 0}.tool-grid,.story-grid{grid-template-columns:1fr}.tool-card:first-child{grid-column:auto}.news-item{grid-template-columns:78px 1fr}.news-arrow{display:none}.cta{padding:35px 25px;display:block}.cta .btn{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:8px}.mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--dark);padding:9px 14px;z-index:1100;gap:10px}.mobile-bar a{flex:1;text-align:center;min-height:44px;padding:8px;border-radius:10px;color:#fff;background:#304239;font-weight:700}.mobile-bar a:last-child{background:var(--lime);color:var(--ink)}}
    @media(max-width:400px){.brand{font-size:17px}.brand-mark{width:24px;height:24px}.hero-copy{font-size:15px}h1{font-size:34px}.footer-grid{grid-template-columns:1fr}.mobile-bar{padding:8px 10px}}

/* roulang page: category2 */
:root{
 --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
 --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
 --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
 --ease:all .28s ease;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{max-width:1220px}
.site-header{background:rgba(243,241,235,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
.nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
.brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
.main-links{display:flex;gap:5px;align-items:center;flex:1}
.main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
.main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.subnav{border-top:1px solid #e2e4dd;background:#eeece5}
.subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
.subnav a{font-size:13px;padding:6px 12px}
.btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
.btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
.btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#30433a;transform:translateY(-2px)}
.btn:focus,.form-control:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
.page-intro{padding:82px 0 54px;border-bottom:1px solid var(--line)}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:25px}
.breadcrumbs span{color:#7b9637;margin:0 8px}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#6d8c2d;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:16px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--lime-dark)}
h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
h1{font-size:clamp(38px,5vw,66px);margin:0;max-width:700px}
h2{font-size:clamp(28px,3.5vw,44px);margin:0}
.intro-copy{font-size:17px;color:var(--muted);max-width:530px;margin:0}
.intro-media{height:245px;border-radius:28px;overflow:hidden;position:relative;background:#cadbd0}
.intro-media img{width:100%;height:100%;object-fit:cover;opacity:.86;mix-blend-mode:multiply}
.media-note{position:absolute;left:22px;bottom:20px;padding:9px 14px;background:var(--lime);border-radius:10px;font-weight:800;font-size:13px}
.section{padding:82px 0}
.section-tight{padding:55px 0}
.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:35px}
.section-head p{max-width:510px;color:var(--muted);margin:0}
.filter-bar{display:flex;gap:10px;overflow:auto;white-space:nowrap;padding-bottom:3px}
.filter-bar a{padding:10px 17px;border:1px solid var(--line);border-radius:30px;color:var(--muted);font-weight:700;background:var(--card)}
.filter-bar a:hover,.filter-bar a.active{background:var(--dark);border-color:var(--dark);color:var(--lime)}
.tool-list{border-top:1px solid var(--line)}
.tool-row{display:grid;grid-template-columns:70px 1.15fr .9fr 120px;gap:28px;align-items:center;padding:27px 0;border-bottom:1px solid var(--line)}
.tool-row:hover{background:#ebece4;padding-left:18px;padding-right:18px}
.tool-no{font-size:28px;font-weight:800;color:#9aae91}
.tool-row h3{font-size:22px;margin:0 0 7px}
.tool-row p{color:var(--muted);margin:0;font-size:14px}
.param-list{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-block;background:#e6eadf;color:#536457;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700}
.text-link{font-weight:800;color:#6d8c2d;border-bottom:1px solid #afc979;padding-bottom:3px;white-space:nowrap}
.matrix-wrap{background:var(--dark);border-radius:26px;padding:32px;color:#fff;overflow:auto}
.matrix{width:100%;min-width:650px;border-collapse:collapse}
.matrix th,.matrix td{text-align:left;padding:17px 14px;border-bottom:1px solid #405048}
.matrix th{color:var(--lime);font-size:13px;font-weight:800}
.matrix td{color:#d1dbd5}
.matrix td:first-child{color:#fff;font-weight:700}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:30px;display:grid;grid-template-columns:48px 1fr;gap:18px}
.scene-card:nth-child(2){background:#e5efda}
.scene-card:nth-child(3){background:#e7eeeb}
.scene-index{width:42px;height:42px;border-radius:13px;background:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:800}
.scene-card h3{font-size:20px;margin:0}
.scene-card p{color:var(--muted);margin:9px 0 0}
.evidence{background:var(--dark);color:#fff;border-radius:28px;padding:46px;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.evidence p{color:#bdcdc3}
.evidence-list{border-left:1px solid #526158;padding-left:28px}
.evidence-list li{list-style:none;padding:13px 0;border-bottom:1px solid #405048;color:#d8e0dc}
.evidence-list li::before{content:"↗";color:var(--lime);margin-right:10px;font-weight:800}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:22px 0;font-size:17px}
.accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
.accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{padding:0 40px 23px 0;color:var(--muted)}
.cta{background:var(--dark);color:#fff;border-radius:30px;padding:48px 55px;display:grid;grid-template-columns:1fr .9fr;gap:42px;align-items:center}
.cta h2{margin-bottom:12px}
.cta p{color:#bdcdc3;margin:0}
.form-panel{background:#f7f8ef;border-radius:20px;padding:24px}
.form-label{font-size:13px;font-weight:800;color:var(--ink);margin-bottom:5px}
.form-control,.form-select{border:1px solid #ccd5c9;background:#fff;border-radius:10px;padding:11px 13px}
.site-footer{background:#121b18;color:#d4ded8;padding:62px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:38px}
.footer-brand{font-size:22px;font-weight:800;color:#fff}
.footer-note{color:#9eafa6;margin-top:12px}
.site-footer h3{font-size:15px;color:var(--lime);margin:0 0 14px}
.site-footer a,.site-footer p{display:block;color:#aab9b2;font-size:14px;margin:7px 0}
.site-footer a:hover{color:var(--lime)}
.copyright{border-top:1px solid #34423b;margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#84958c;font-size:12px}
@media(max-width:992px){
 .main-links{display:none}.intro-grid,.evidence,.cta{grid-template-columns:1fr;gap:28px}
 .tool-row{grid-template-columns:48px 1fr 130px}.tool-row .param-list{grid-column:2/3}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .nav-main{min-height:64px;gap:12px}.brand{font-size:18px}.nav-actions .btn-soft{display:none}
 .page-intro{padding:58px 0 38px}.intro-grid{gap:30px}.intro-media{height:210px}
 .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:15px}
 .tool-row{grid-template-columns:38px 1fr;gap:12px}.tool-row .param-list{grid-column:2}.tool-row .text-link{grid-column:2}
 .scene-grid{grid-template-columns:1fr}.evidence{padding:30px 24px}.cta{padding:32px 22px}
}
@media(max-width:520px){
 h1{font-size:38px}.subnav .container{padding-left:16px;padding-right:16px}
 .footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
 .form-panel{padding:18px}
}

/* roulang page: category1 */
:root{
      --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
      --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
      --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:1220px}
    .site-header{background:rgba(243,241,235,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
    .nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
    .main-links{display:flex;gap:5px;align-items:center;flex:1}
    .main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
    .main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
    .main-links a.active{box-shadow:inset 0 -2px #78933e}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .subnav{border-top:1px solid #e2e4dd;background:#eeece5}
    .subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
    .subnav a{font-size:13px;padding:6px 12px}
    .btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease);display:inline-block}
    .btn-lime{background:var(--lime);color:var(--ink)}
    .btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
    .btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
    .btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:#30433a;transform:translateY(-2px)}
    .btn:focus,.form-control:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
    .page-banner{padding:78px 0 76px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .page-banner:after{content:"";position:absolute;right:-80px;top:-180px;width:520px;height:520px;border:1px solid rgba(216,244,90,.22);border-radius:50%;box-shadow:0 0 0 36px rgba(216,244,90,.04),0 0 0 72px rgba(216,244,90,.03)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(34px,5vw, sixtypx);font-size:clamp(34px,5vw,60px);font-weight:800;max-width:720px;margin:0}
    h2{font-size:clamp(27px,3vw,42px);font-weight:800;margin:0}
    h3{font-size:20px;font-weight:800}
    .banner-copy{color:#c9d5cd;max-width:680px;font-size:17px;margin:22px 0 0}
    .crumb{position:relative;z-index:2;color:#aebdb4;font-size:13px;margin-bottom:30px}
    .crumb a{color:var(--lime)}
    .section{padding:96px 0}
    .section-tight{padding:70px 0}
    .section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:38px}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .label{color:#78933e;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
    .topic-bar{display:flex;gap:10px;overflow:auto;white-space:nowrap;padding-bottom:4px}
    .topic-bar a{padding:10px 17px;border:1px solid var(--line);border-radius:30px;background:var(--card);font-weight:700;color:#53605a}
    .topic-bar a:hover,.topic-bar a.active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
    .resource-layout{display:grid;grid-template-columns:1.05fr 1.6fr;gap:22px;align-items:stretch}
    .feature-resource{background:var(--dark);color:#fff;border-radius:26px;padding:34px;min-height:470px;display:flex;flex-direction:column;justify-content:space-between}
    .feature-resource p{color:#c1cec6}
    .feature-resource .tag{background:#35473d;color:var(--lime)}
    .resource-list{display:flex;flex-direction:column;gap:14px}
    .resource-item{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;grid-template-columns:70px 1fr auto;gap:18px;align-items:center;transition:var(--ease)}
    .resource-item:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:#b5c391}
    .resource-no{font-size:30px;font-weight:800;color:#9eae96}
    .resource-item h3{margin:0 0 7px;font-size:19px}
    .resource-item p{margin:0;color:var(--muted);font-size:14px}
    .tag{display:inline-block;background:#e6eadf;color:#536457;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700;margin:12px 5px 0 0}
    .resource-arrow{font-size:23px;color:#78933e}
    .matrix-wrap{background:#e8ece4;border-radius:24px;padding:28px;overflow:auto}
    .matrix{width:100%;min-width:650px;border-collapse:collapse;background:var(--card);border-radius:15px;overflow:hidden}
    .matrix th,.matrix td{padding:17px 18px;border-bottom:1px solid var(--line);text-align:left}
    .matrix th{background:#dce5d9;font-size:13px;color:#53605a}
    .matrix td strong{color:#63802c}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .scene{background:var(--card);padding:30px;min-height:235px;position:relative}
    .scene:nth-child(2){background:#e5edda}
    .scene-num{font-size:42px;font-weight:800;color:#afbd9e;line-height:1}
    .scene h3{margin:23px 0 8px}
    .scene p{color:var(--muted);margin:0}
    .evidence{background:var(--dark);color:#fff;border-radius:28px;padding:42px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
    .evidence p{color:#bdcdc3}
    .evidence-list{border-left:1px solid #53645a;padding-left:28px}
    .evidence-list div{padding:14px 0;border-bottom:1px solid #405149}
    .evidence-list strong{display:block;color:var(--lime);font-size:22px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:21px 0;font-size:17px}
    .accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
    .accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
    .accordion-button:not(.collapsed)::after{content:"−";transform:none}
    .accordion-body{padding:0 40px 22px 0;color:var(--muted)}
    .contact-panel{background:#e4edcf;border-radius:28px;padding:42px}
    .contact-panel p{color:#5e6d62}
    .form-control{border:1px solid #cbd4c5;border-radius:12px;background:#fbfcf6;padding:13px 15px;color:var(--ink)}
    .form-control::placeholder{color:#89948c}
    .site-footer{background:var(--dark);color:#fff;padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:40px}
    .footer-brand{font-size:22px;font-weight:800;margin-bottom:12px}
    .footer-note,.site-footer p{color:#aebdb4}
    .site-footer h3{font-size:15px;color:var(--lime);margin-bottom:15px}
    .site-footer a{display:block;color:#c5d0c9;margin:7px 0}
    .site-footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #405149;margin-top:42px;padding-top:20px;color:#91a199;display:flex;justify-content:space-between;gap:15px;font-size:13px}
    .mobile-bar{display:none}
    @media(max-width:991px){
      .main-links{display:none}.nav-main{min-height:66px}
      .resource-layout,.faq-grid,.evidence{grid-template-columns:1fr}
      .feature-resource{min-height:330px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      .section{padding:68px 0}.section-tight{padding:52px 0}
      .section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}
      .page-banner{padding:58px 0}.banner-copy{font-size:15px}
      .scene-grid{grid-template-columns:1fr}
      .resource-item{grid-template-columns:45px 1fr auto;padding:19px 16px;gap:11px}
      .resource-no{font-size:23px}.resource-item h3{font-size:17px}
      .evidence{padding:28px}.contact-panel{padding:28px}
      .copyright{display:block}.copyright span{display:block;margin:5px 0}
    }
    @media(max-width:520px){
      .brand{font-size:17px}.brand-mark{width:25px;height:25px;margin-right:5px}
      .nav-actions .btn-soft{display:none}.nav-main{gap:10px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .topic-bar{margin-right:-12px}
      .mobile-bar{display:flex;position:fixed;bottom:12px;left:12px;right:12px;z-index:999;background:var(--dark);padding:8px;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.22);gap:8px}
      .mobile-bar a{flex:1;text-align:center;padding:9px 5px;border-radius:10px;color:#fff;font-size:13px;font-weight:700}
      .mobile-bar a:first-child{background:var(--lime);color:var(--ink)}
    }

/* roulang page: category3 */
:root{
      --ink:#17211e;
      --muted:#68736e;
      --paper:#f3f1eb;
      --card:#fbfaf6;
      --line:#d9ddd5;
      --lime:#d8f45a;
      --lime-dark:#b7d73a;
      --teal:#94c6bb;
      --orange:#e7a875;
      --dark:#192521;
      --dark-2:#24332d;
      --radius:20px;
      --shadow:0 18px 45px rgba(29,39,34,.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:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      font-size:15px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:1220px}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:0}
    h1{font-size:clamp(36px,5vw,67px)}
    h2{font-size:clamp(28px,3vw,43px)}
    h3{font-size:20px}
    p{margin-bottom:0}
    .site-header{
      background:rgba(243,241,235,.95);
      border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:1000;
      backdrop-filter:blur(14px);
    }
    .nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{
      display:inline-flex;width:28px;height:28px;border-radius:9px;
      background:var(--lime);align-items:center;justify-content:center;
      margin-right:8px;font-size:14px
    }
    .main-links{display:flex;gap:5px;align-items:center;flex:1}
    .main-links a,.subnav a{
      padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600
    }
    .main-links a:hover,.main-links a.active,.subnav a:hover{
      background:#e6eadf;color:var(--ink)
    }
    .main-links a.active{color:#5f7b29}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .subnav{border-top:1px solid #e2e4dd;background:#eeece5}
    .subnav .container{
      display:flex;gap:8px;align-items:center;min-height:42px;
      overflow:auto;white-space:nowrap
    }
    .subnav a{font-size:13px;padding:6px 12px}
    .btn{
      border-radius:12px;padding:11px 20px;font-weight:700;
      border:1px solid transparent;transition:var(--ease)
    }
    .btn-lime{background:var(--lime);color:var(--ink)}
    .btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
    .btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
    .btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:#30433a;transform:translateY(-2px)}
    .btn:focus,.form-control:focus,.accordion-button:focus{
      box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0
    }
    .page-intro{
      padding:86px 0 72px;
      background:
        linear-gradient(90deg,rgba(25,37,33,.94),rgba(25,37,33,.72)),
        url("/assets/images/backpic/back-4.webp") center/cover;
      color:#fff;
    }
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--lime);
      font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:18px
    }
    .eyebrow::before{content:"";width:24px;height:2px;background:var(--lime)}
    .intro-copy{font-size:17px;color:#d3ddd7;max-width:660px;margin:24px 0 30px}
    .crumbs{font-size:13px;color:#b8c8bf;margin-bottom:30px}
    .crumbs a:hover{color:var(--lime)}
    .code-panel{
      background:#101916;border:1px solid #506057;border-radius:24px;
      padding:24px;box-shadow:0 22px 55px rgba(0,0,0,.22)
    }
    .code-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;color:#a9bbb1;font-size:12px}
    .signal{display:flex;gap:6px}.signal i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block}
    pre{margin:0;white-space:pre-wrap;color:#d5e6d6;font:13px/2 "SFMono-Regular",Consolas,monospace}
    .code-key{color:#a5d1c2}.code-value{color:#e9bf89}.code-comment{color:#7d9588}
    .section{padding:96px 0}
    .section-tight{padding:68px 0}
    .section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:40px}
    .section-head p{max-width:535px;color:var(--muted);margin:0}
    .label{
      color:#6b862c;font-size:12px;font-weight:800;letter-spacing:.1em;
      text-transform:uppercase;margin-bottom:14px;display:block
    }
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
    .filter-bar a{
      background:#e7ebe3;border:1px solid #d6ddd2;border-radius:30px;
      padding:9px 16px;color:#53605a;font-weight:700;font-size:13px
    }
    .filter-bar a:hover,.filter-bar a.active{background:var(--lime);color:var(--ink);border-color:var(--lime)}
    .analysis-list{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .analysis-card{
      background:var(--card);border:1px solid var(--line);border-radius:23px;
      padding:28px;min-height:245px;transition:var(--ease);position:relative;overflow:hidden
    }
    .analysis-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8c79d}
    .analysis-card.featured{grid-row:span 2;background:#e5efcf;min-height:508px}
    .analysis-card img{width:100%;height:180px;object-fit:cover;border-radius:15px;margin:-2px 0 23px}
    .analysis-card.featured img{height:235px}
    .card-meta{display:flex;justify-content:space-between;gap:15px;color:#77847b;font-size:12px;margin-bottom:13px}
    .analysis-card p{color:var(--muted);margin-top:13px}
    .tag{
      display:inline-block;background:#e6eadf;color:#536457;padding:4px 9px;
      border-radius:20px;font-size:12px;font-weight:700;margin:15px 5px 0 0
    }
    .card-link{display:inline-block;color:#607d2a;font-weight:800;margin-top:21px}
    .card-link:hover{color:var(--ink);transform:translateX(3px)}
    .matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:var(--card)}
    .matrix{width:100%;min-width:680px;border-collapse:collapse}
    .matrix th,.matrix td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
    .matrix th{background:#e8ece3;color:#53605a;font-size:13px}
    .matrix tr:last-child td{border-bottom:0}
    .matrix td:first-child{font-weight:800}
    .status{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#58732b;font-weight:800}
    .status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime-dark)}
    .flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:18px}
    .flow-item{padding:28px 34px 24px 0;border-right:1px solid var(--line);margin-right:34px}
    .flow-item:last-child{border:0;margin-right:0}
    .flow-num{font-size:46px;color:#9caf83;font-weight:800;line-height:1;margin-bottom:22px}
    .flow-item p{color:var(--muted);margin-top:12px}
    .evidence{
      background:var(--dark);color:#fff;border-radius:28px;padding:48px;
      display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center
    }
    .evidence p{color:#b8c8bf;margin-top:18px}
    .evidence-list{border-left:1px solid #53645a;padding-left:27px}
    .evidence-list li{list-style:none;padding:14px 0;border-bottom:1px solid #3d4c44;color:#dce8df}
    .evidence-list li::before{content:"↗";color:var(--lime);margin-right:12px}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:21px 0;font-size:17px}
    .accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
    .accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
    .accordion-button:not(.collapsed)::after{content:"−";transform:none}
    .accordion-body{padding:0 40px 23px 0;color:var(--muted)}
    .cta{
      background:var(--dark);color:#fff;border-radius:30px;padding:52px 60px;
      display:flex;justify-content:space-between;gap:30px;align-items:center
    }
    .cta p{color:#b8c8bf;max-width:610px;margin-top:13px}
    .site-footer{background:#111a17;color:#fff;padding:65px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand{font-size:22px;font-weight:800;margin-bottom:13px}
    .footer-note,.site-footer p{color:#aebeb4;font-size:14px}
    .site-footer h3{font-size:15px;color:var(--lime);margin-bottom:17px}
    .site-footer a{display:block;color:#b9c7be;font-size:14px;margin:8px 0}
    .site-footer a:hover{color:var(--lime)}
    .copyright{
      border-top:1px solid #34433b;margin-top:45px;padding-top:20px;
      display:flex;justify-content:space-between;gap:15px;color:#8c9c92;font-size:12px
    }
    .mobile-bar{display:none}
    @media (max-width:1199px){
      .main-links{gap:0}.main-links a{padding-left:8px;padding-right:8px}
      .intro-grid{gap:35px}
    }
    @media (max-width:991px){
      .nav-main{gap:15px}.main-links{display:none}
      .intro-grid,.evidence{grid-template-columns:1fr}
      .page-intro{padding:65px 0}.code-panel{max-width:700px}
      .analysis-list{grid-template-columns:1fr 1fr}
      .analysis-card.featured{grid-row:auto;grid-column:span 2;min-height:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .cta{padding:42px}
    }
    @media (max-width:767px){
      .nav-main{min-height:66px}.brand{font-size:18px}
      .nav-actions .btn-soft{display:none}
      .section{padding:70px 0}.section-tight{padding:50px 0}
      .section-head{display:block;margin-bottom:28px}.section-head p{margin-top:16px}
      .analysis-list,.flow-grid{grid-template-columns:1fr}
      .analysis-card.featured{grid-column:auto}
      .flow-item{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:23px 0}
      .evidence{padding:32px 25px}
      .cta{display:block;padding:34px 25px}
      .cta .btn{margin-top:24px}
    }
    @media (max-width:520px){
      .container{padding-left:20px;padding-right:20px}
      .page-intro{padding:48px 0 55px}
      h1{font-size:38px}.intro-copy{font-size:15px}
      .code-panel{padding:18px;border-radius:18px}
      pre{font-size:11px}
      .analysis-card{padding:22px}
      .analysis-card.featured img{height:180px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block}.copyright span{display:block;margin-top:7px}
      .mobile-bar{display:flex;position:fixed;bottom:12px;left:14px;right:14px;z-index:999;background:var(--dark);padding:8px;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.22);gap:8px}
      .mobile-bar a{flex:1;text-align:center;padding:9px 4px;border-radius:10px;color:#fff;font-size:13px;font-weight:700}
      .mobile-bar a:first-child{background:var(--lime);color:var(--ink)}
    }
    @media (max-width:375px){
      .brand{font-size:16px}.brand-mark{width:25px;height:25px;margin-right:5px}
      .page-intro h1{font-size:34px}.mobile-bar{left:10px;right:10px}
    }

/* roulang page: category4 */
:root{
 --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
 --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
 --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{max-width:1220px}
.site-header{background:rgba(243,241,235,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
.nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
.brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
.main-links{display:flex;gap:5px;align-items:center;flex:1}
.main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
.main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.subnav{border-top:1px solid #e2e4dd;background:#eeece5}
.subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
.subnav a{font-size:13px;padding:6px 12px}
.btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
.btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
.btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#30433a;transform:translateY(-2px)}
.btn:focus,.form-control:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
.page-intro{padding:76px 0 62px;background:#e8e7df;border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#6a8528;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--lime-dark)}
h1,h2,h3{line-height:1.22;letter-spacing:-.035em}
h1{font-size:clamp(36px,5vw,64px);margin:0 0 22px;font-weight:800}
h2{font-size:clamp(28px,3.5vw,43px);margin:0}
h3{font-size:20px;margin:0 0 9px;font-weight:800}
.intro-copy{font-size:17px;color:var(--muted);max-width:610px;margin:0}
.intro-aside{background:var(--dark);color:#fff;border-radius:26px;padding:25px;position:relative;overflow:hidden}
.intro-aside::after{content:"适配";position:absolute;right:22px;bottom:-22px;color:rgba(216,244,90,.17);font-size:110px;font-weight:900;line-height:1}
.aside-label{color:var(--lime);font-weight:800;font-size:12px;letter-spacing:.1em}
.aside-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px;position:relative;z-index:1}
.aside-list span,.tag{display:inline-block;background:#e6eadf;color:#536457;padding:5px 10px;border-radius:20px;font-size:12px;font-weight:700}
.aside-list span{background:#34453d;color:#e6f0e8}
.section{padding:92px 0}
.section-tight{padding:65px 0}
.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:38px}
.section-head p{max-width:510px;color:var(--muted);margin:0}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.filter-bar a{border:1px solid var(--line);border-radius:30px;padding:9px 17px;color:var(--muted);font-weight:700;background:var(--card)}
.filter-bar a:hover,.filter-bar a.active{background:var(--dark);color:var(--lime);border-color:var(--dark)}
.resource-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.resource-main,.resource-side{border:1px solid var(--line);background:var(--card);border-radius:24px;overflow:hidden}
.resource-main{display:grid;grid-template-columns:.9fr 1.1fr}
.resource-main img{width:100%;height:100%;min-height:310px;object-fit:cover}
.resource-body{padding:32px}
.resource-body p,.resource-side p{color:var(--muted)}
.resource-side{padding:27px}
.resource-side article{padding:18px 0;border-bottom:1px solid var(--line)}
.resource-side article:last-child{border-bottom:0}
.resource-side h3{font-size:18px}
.tag{margin:10px 5px 0 0;background:#e5eee4}
.arrow-link{font-weight:800;color:#66852a;display:inline-flex;gap:8px;margin-top:18px}
.arrow-link:hover{gap:13px;color:#465d1b}
.matrix-wrap{background:var(--dark);border-radius:27px;padding:34px;color:#fff;overflow:auto}
.matrix{width:100%;min-width:650px;border-collapse:collapse}
.matrix th,.matrix td{padding:17px 15px;border-bottom:1px solid #43524b;text-align:left}
.matrix th{color:var(--lime);font-size:13px}
.matrix td{color:#d2ddd5}
.matrix td:first-child{font-weight:800;color:#fff}
.check{color:var(--lime);font-size:19px}
.scene-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.scene{background:var(--card);padding:29px;min-height:215px;position:relative}
.scene:hover{background:#edf2e2}
.scene-num{font-size:42px;line-height:1;color:#bdc9b1;font-weight:800;margin-bottom:24px}
.scene p{color:var(--muted);margin:0}
.evidence{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch}
.evidence-image{border-radius:25px;overflow:hidden;min-height:330px}
.evidence-image img{width:100%;height:100%;object-fit:cover}
.evidence-panel{background:var(--dark);color:#fff;border-radius:25px;padding:35px}
.evidence-panel p{color:#b9c8c0}
.evidence-points{list-style:none;padding:0;margin:25px 0 0}
.evidence-points li{padding:13px 0;border-bottom:1px solid #43524b}
.evidence-points li::before{content:"↗";color:var(--lime);font-weight:800;margin-right:12px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:21px 0;font-size:17px}
.accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
.accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{padding:0 40px 22px 0;color:var(--muted)}
.cta{background:var(--dark);color:#fff;border-radius:30px;padding:48px 56px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta p{color:#b9c8c0;max-width:600px;margin:12px 0 0}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.form-control{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:12px 15px;color:var(--ink)}
textarea.form-control{min-height:110px}
.site-footer{background:#111b18;color:#fff;padding:62px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:40px}
.footer-brand{font-size:22px;font-weight:800;margin-bottom:13px}
.footer-note,.site-footer p{color:#aebdb4;font-size:14px}
.site-footer h3{font-size:15px;color:var(--lime);margin-bottom:16px}
.site-footer a{display:block;color:#b7c5bd;font-size:14px;margin:8px 0}
.site-footer a:hover{color:var(--lime)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #34423c;margin-top:42px;padding-top:20px;color:#899b90;font-size:12px}
@media(max-width:991px){
 .main-links{display:none}.intro-grid,.resource-layout,.evidence{grid-template-columns:1fr}
 .resource-main{grid-template-columns:1fr}
 .resource-main img{height:260px;min-height:0}
 .scene-list{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
 .nav-main{min-height:66px;gap:12px}.brand{font-size:17px}.nav-actions{margin-left:auto}
 .nav-actions .btn-soft{display:none}.page-intro{padding:55px 0 42px}
 .section{padding:65px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:15px}
 .scene-list{grid-template-columns:1fr}.cta{display:block;padding:34px 25px}.cta .btn{margin-top:24px}
 .contact-box{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
}
@media(max-width:520px){
 h1{font-size:37px}.intro-copy{font-size:15px}.resource-body,.resource-side,.evidence-panel{padding:23px}
 .footer-grid{grid-template-columns:1fr;gap:25px}.container{padding-left:20px;padding-right:20px}
 .subnav .container{padding-left:15px;padding-right:15px}
}

/* roulang page: category6 */
:root{
 --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
 --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
 --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{max-width:1220px}
.site-header{background:rgba(243,241,235,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
.nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
.brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
.main-links{display:flex;gap:5px;align-items:center;flex:1}
.main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
.main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.subnav{border-top:1px solid #e2e4dd;background:#eeece5}
.subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
.subnav a{font-size:13px;padding:6px 12px}
.btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
.btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
.btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#30433a;color:#fff;transform:translateY(-2px)}
.btn:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#66832a;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--lime-dark)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:40px}
.section-head p{max-width:540px;color:var(--muted);margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.045em;margin-top:0}
h1{font-size:clamp(35px,5vw,62px)}
h2{font-size:clamp(27px,3.2vw,42px)}
h3{font-size:20px}
p{margin-top:0}
.page-intro{padding:72px 0 65px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-intro:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-150px;top:-190px;background:var(--lime);opacity:.23;filter:blur(2px)}
.breadcrumb-line{position:relative;z-index:1;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb-line span{color:#95a099}
.intro-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:end}
.intro-copy{max-width:720px}
.intro-copy p{font-size:17px;color:var(--muted);max-width:700px;margin:20px 0 0}
.intro-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}
.intro-image{height:248px;border-radius:24px;overflow:hidden;border:1px solid #ced7c9;position:relative;box-shadow:var(--shadow)}
.intro-image:after{content:"测试节点";position:absolute;right:15px;bottom:15px;background:var(--dark);color:var(--lime);font-size:12px;font-weight:800;padding:7px 12px;border-radius:99px}
.intro-image img{height:100%;width:100%;object-fit:cover;filter:saturate(.78) contrast(1.03)}
.tag{display:inline-flex;align-items:center;background:#e4e9dc;color:#52624f;padding:5px 10px;border-radius:20px;font-size:12px;font-weight:700}
.filter-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#ebe9e1}
.filter-row{display:flex;align-items:center;gap:13px;padding:18px 0;overflow-x:auto;white-space:nowrap}
.filter-label{font-size:13px;font-weight:800;color:var(--muted);padding-right:7px}
.filter-pill{border:1px solid #cfd6cb;background:transparent;border-radius:99px;padding:8px 14px;font-weight:700;font-size:13px;color:#53605a}
.filter-pill:hover,.filter-pill.active{background:var(--dark);border-color:var(--dark);color:#fff}
.process-list{display:grid;gap:15px}
.process-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px 28px;display:grid;grid-template-columns:88px 1fr auto;gap:25px;align-items:center;transition:var(--ease)}
.process-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfcab8}
.process-index{font-size:13px;font-weight:800;color:#709132;letter-spacing:.1em}
.process-card h3{margin:0 0 8px;font-size:22px}
.process-card p{color:var(--muted);margin:0;max-width:720px}
.process-side{text-align:right;min-width:145px}
.process-side strong{display:block;font-size:13px;margin-bottom:8px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:#587424;font-weight:800}
.text-link:after{content:"↗";font-size:18px}
.text-link:hover{color:var(--ink);transform:translateX(2px)}
.matrix-shell{background:var(--dark);color:#fff;border-radius:28px;padding:35px;overflow:auto}
.matrix-shell h3{margin-bottom:18px}
.matrix{width:100%;min-width:720px;border-collapse:collapse}
.matrix th,.matrix td{padding:16px 13px;text-align:left;border-bottom:1px solid rgba(255,255,255,.13);vertical-align:middle}
.matrix th{color:#b9c9c0;font-size:13px;font-weight:700}
.matrix td{font-weight:600}
.matrix td:first-child{color:var(--lime)}
.status-ok{display:inline-block;border-radius:99px;background:rgba(216,244,90,.16);color:var(--lime);padding:3px 9px;font-size:12px;font-weight:800}
.status-check{display:inline-block;border-radius:99px;background:rgba(148,198,187,.16);color:#b6e2d8;padding:3px 9px;font-size:12px;font-weight:800}
.scene-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:18px;align-items:stretch}
.scene-photo{min-height:490px;border-radius:25px;overflow:hidden;position:relative;background:var(--dark)}
.scene-photo:after{content:"交互验证记录";position:absolute;left:20px;bottom:19px;border-radius:10px;background:rgba(25,37,33,.86);color:#fff;padding:8px 12px;font-size:12px;font-weight:700}
.scene-photo img{width:100%;height:100%;object-fit:cover;opacity:.82}
.scene-steps{padding:8px 0}
.scene-step{display:grid;grid-template-columns:62px 1fr;gap:20px;padding:21px 0;border-bottom:1px solid var(--line)}
.scene-step:last-child{border-bottom:0}
.step-no{width:46px;height:46px;border-radius:15px;background:#e1ebbe;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.scene-step h3{font-size:20px;margin:0 0 7px}
.scene-step p{margin:0;color:var(--muted)}
.evidence{background:var(--dark);color:#fff}
.evidence .section-head p{color:#b8c8bf}
.evidence-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.case-note{padding:34px;border-radius:24px;background:var(--dark-2);border:1px solid #425249}
.case-note p{color:#c1cec7;margin:17px 0 22px}
.case-line{display:grid;grid-template-columns:100px 1fr;gap:18px;padding:13px 0;border-top:1px solid rgba(255,255,255,.15)}
.case-line span{color:var(--lime);font-size:13px;font-weight:800}
.case-line strong{font-size:14px;font-weight:600}
.metric-box{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{border-radius:21px;background:#2d4037;padding:26px 22px;border:1px solid #42564b}
.metric b{display:block;color:var(--lime);font-size:30px;line-height:1.1;letter-spacing:-.05em}
.metric span{display:block;color:#bdccc3;font-size:13px;margin-top:8px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:21px 0;font-size:17px}
.accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
.accordion-button:after{background-image:none;content:"+";font-size:25px;color:#78933e;width:auto;height:auto}
.accordion-button:not(.collapsed):after{content:"−";transform:none}
.accordion-body{padding:0 42px 22px 0;color:var(--muted)}
.cta{background:var(--dark);color:#fff;border-radius:30px;padding:55px 62px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
.cta:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-80px;top:-170px;background:var(--lime);opacity:.13}
.cta h2{max-width:650px;margin:0 0 11px;position:relative;z-index:1}
.cta p{color:#bfcec6;max-width:650px;margin:0;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;min-width:max-content}
.site-footer{background:#111b17;color:#e5ece7;margin-top:92px;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr 1.2fr;gap:35px;padding-bottom:47px}
.footer-brand{font-size:22px;font-weight:800;letter-spacing:-.04em}
.footer-note{color:#aebdb5;margin:12px 0 0;max-width:235px}
.site-footer h3{font-size:14px;color:var(--lime);letter-spacing:.04em;margin:0 0 15px}
.site-footer a{display:block;color:#c8d3cd;font-size:14px;margin:7px 0}
.site-footer a:hover{color:var(--lime)}
.site-footer p{color:#aebdb5;font-size:14px;margin:7px 0}
.copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#8fa198;font-size:12px}
.fixed-contact{position:fixed;right:23px;bottom:22px;z-index:900;display:flex;gap:8px;padding:8px;background:rgba(25,37,33,.94);border:1px solid rgba(216,244,90,.25);border-radius:17px;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.fixed-contact a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:11px;padding:0 15px;font-size:13px;font-weight:800;color:#fff}
.fixed-contact a:first-child{background:var(--lime);color:var(--ink)}
.fixed-contact a:hover{transform:translateY(-2px)}
@media(max-width:1199px){
 .main-links{gap:0}.main-links a{padding:9px 9px;font-size:13px}.nav-main{gap:18px}.nav-actions .btn-soft{padding:10px 13px;font-size:13px}
}
@media(max-width:991px){
 .nav-main{min-height:66px}.main-links{display:none}.nav-actions{margin-left:auto}.subnav .container{padding-left:15px;padding-right:15px}
 .intro-grid,.evidence-grid{grid-template-columns:1fr}.intro-image{height:270px;max-width:660px}.scene-grid{grid-template-columns:1fr}.scene-photo{min-height:300px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .section{padding:67px 0}.section-tight{padding:52px 0}.page-intro{padding:50px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}
 .process-card{grid-template-columns:62px 1fr;padding:22px;gap:14px}.process-side{grid-column:2;text-align:left;min-width:0}.process-card h3{font-size:19px}
 .matrix-shell{padding:24px 18px}.cta{padding:37px 27px;display:block}.cta-actions{margin-top:24px;min-width:0}
 .copyright{display:block}.copyright span{display:block;margin:5px 0}.site-footer{margin-top:65px;padding-top:48px}
}
@media(max-width:520px){
 body{font-size:14px}.container{padding-left:18px;padding-right:18px}.brand{font-size:18px}.brand-mark{width:26px;height:26px;margin-right:6px}.nav-actions .btn-soft{display:none}
 .intro-copy p{font-size:15px}.intro-image{height:205px}.filter-row{margin:0 -18px;padding-left:18px;padding-right:18px}
 .scene-photo{min-height:255px}.scene-step{grid-template-columns:49px 1fr;gap:13px}.step-no{width:40px;height:40px;border-radius:12px}
 .metric-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:25px}.fixed-contact{left:12px;right:12px;bottom:10px;justify-content:center}.fixed-contact a{flex:1;padding:0 8px}.site-footer{padding-bottom:91px}
}

/* roulang page: category5 */
:root{
 --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
 --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
 --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
 --ease:all .28s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
.container{max-width:1220px}
.site-header{background:rgba(243,241,235,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
.nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
.brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
.main-links{display:flex;gap:5px;align-items:center;flex:1}
.main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
.main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:12px}
.subnav{border-top:1px solid #e2e4dd;background:#eeece5}
.subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
.subnav a{font-size:13px;padding:6px 12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
.btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
.btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#30433a;transform:translateY(-2px)}
.btn:focus,.form-control:focus,.form-select:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
.page-intro{padding:76px 0 68px;background:#e8ebe2;border-bottom:1px solid var(--line)}
.kicker{display:inline-flex;align-items:center;gap:9px;color:#69852f;font-size:13px;font-weight:800;letter-spacing:.08em}
.kicker:before{content:"";width:25px;height:2px;background:var(--lime-dark)}
.page-intro h1{font-size:clamp(36px,5vw,64px);line-height:1.15;letter-spacing:-.055em;margin:20px 0 18px;font-weight:800;max-width:760px}
.page-intro p{color:var(--muted);font-size:17px;max-width:700px;margin:0}
.intro-visual{height:265px;border-radius:25px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
.intro-visual img{width:100%;height:100%;object-fit:cover}
.intro-visual:after{content:"协同状态 / 版本记录 / 验证关联";position:absolute;left:22px;bottom:18px;color:#fff;background:rgba(25,37,33,.82);padding:8px 13px;border-radius:9px;font-size:12px}
.section{padding:92px 0}
.section-tight{padding:65px 0}
.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:38px}
.section-head h2{font-size:clamp(26px,3vw,40px);letter-spacing:-.04em;margin:0;font-weight:800}
.section-head p{max-width:510px;color:var(--muted);margin:0}
.topic-bar{display:flex;gap:10px;overflow:auto;padding:3px 0 10px;white-space:nowrap}
.topic-bar a{border:1px solid var(--line);background:var(--card);border-radius:30px;padding:9px 17px;color:#53605a;font-weight:700}
.topic-bar a:hover,.topic-bar a.active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.collab-list{border-top:1px solid var(--line)}
.collab-item{display:grid;grid-template-columns:76px minmax(0,1.25fr) minmax(220px,.75fr) 120px;gap:28px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}
.collab-item:hover{background:rgba(216,244,90,.09);padding-left:16px;padding-right:16px}
.item-num{font-size:22px;font-weight:800;color:#7c944b}
.collab-item h3{font-size:22px;margin:0 0 7px;font-weight:800}
.collab-item p{color:var(--muted);margin:0}
.meta{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-block;background:#e6eadf;color:#536457;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700}
.item-link{color:#62822b;font-weight:800;text-align:right}
.item-link:hover{text-decoration:underline}
.matrix-wrap{background:var(--dark);border-radius:26px;padding:30px;color:#fff;overflow:auto}
.matrix{width:100%;min-width:650px;border-collapse:collapse}
.matrix th,.matrix td{text-align:left;padding:16px 18px;border-bottom:1px solid #405049}
.matrix th{color:var(--lime);font-size:13px;font-weight:800}
.matrix td{color:#d4ded8}
.matrix tr:last-child td{border-bottom:0}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-step{padding:30px 25px 30px 0;margin-right:25px;border-right:1px solid var(--line);min-height:185px}
.flow-step:last-child{border-right:0}
.flow-step strong{display:block;font-size:30px;color:#7d9b39;margin-bottom:10px}
.flow-step h3{font-size:18px;margin:0 0 8px}
.flow-step p{color:var(--muted);margin:0}
.dark-section{background:var(--dark);color:#fff}
.evidence{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.evidence-card{border:1px solid #42534a;border-radius:20px;padding:28px;background:var(--dark-2)}
.evidence-card .tag{background:#31453b;color:var(--lime)}
.evidence-card h3{font-size:21px;margin:18px 0 8px}
.evidence-card p{color:#bdcdc4;margin:0}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:21px 0;font-size:17px}
.accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
.accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{padding:0 40px 23px 0;color:var(--muted)}
.cta{background:var(--dark);color:#fff;border-radius:30px;padding:48px 58px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:clamp(26px,3vw,38px);margin:0 0 10px;letter-spacing:-.04em}
.cta p{color:#bdcdc4;margin:0;max-width:590px}
.form-panel{background:var(--card);border:1px solid var(--line);border-radius:23px;padding:28px}
.form-label{font-weight:700;font-size:14px}
.form-control,.form-select{border:1px solid #cfd6cc;border-radius:11px;padding:12px 14px;background:#fff}
.site-footer{background:#111b18;color:#fff;padding:62px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px}
.footer-brand{font-size:22px;font-weight:800;margin-bottom:12px}
.footer-note,.site-footer p{color:#aebdb5;font-size:14px}
.site-footer h3{font-size:14px;color:var(--lime);margin:0 0 16px}
.site-footer a{display:block;color:#c6d0cb;font-size:14px;margin:8px 0}
.site-footer a:hover{color:var(--lime)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #34443d;margin-top:45px;padding-top:20px;color:#8f9e97;font-size:12px}
.mobile-cta{display:none}
@media(max-width:1199px){.main-links{gap:0}.main-links a{padding-left:8px;padding-right:8px}.container{max-width:94%}}
@media(max-width:991px){.main-links,.nav-actions .btn-soft{display:none}.nav-main{justify-content:space-between}.collab-item{grid-template-columns:55px minmax(0,1fr) 105px}.collab-item .meta{grid-column:2}.item-link{grid-column:3;grid-row:1/3}.footer-grid{grid-template-columns:1fr 1fr}.page-intro{padding-top:55px}.intro-visual{margin-top:30px}}
@media(max-width:767px){.section{padding:68px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}.collab-item{grid-template-columns:42px 1fr;padding:23px 0;gap:10px 15px}.collab-item h3{font-size:19px}.collab-item .meta{grid-column:2}.item-link{grid-column:2;grid-row:auto;text-align:left;margin-top:4px}.flow{grid-template-columns:1fr 1fr}.flow-step{border-bottom:1px solid var(--line);padding:23px 15px 23px 0}.flow-step:nth-child(2){border-right:0}.flow-step strong{font-size:25px}.evidence{grid-template-columns:1fr}.cta{display:block;padding:35px 28px}.cta .btn{margin-top:25px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
@media(max-width:520px){.brand{font-size:18px}.brand-mark{width:25px;height:25px}.page-intro h1{font-size:37px}.intro-visual{height:210px}.footer-grid{grid-template-columns:1fr;gap:23px}.matrix-wrap{padding:16px}.mobile-cta{display:flex;position:fixed;bottom:12px;left:12px;right:12px;z-index:999;background:var(--lime);border-radius:14px;padding:7px;box-shadow:0 8px 25px rgba(0,0,0,.18);gap:8px}.mobile-cta a{flex:1;text-align:center;padding:8px;font-weight:800;font-size:14px}.mobile-cta a:last-child{background:var(--dark);color:#fff;border-radius:9px}}

/* roulang page: category7 */
:root{
      --ink:#17211e;--muted:#68736e;--paper:#f3f1eb;--card:#fbfaf6;--line:#d9ddd5;
      --lime:#d8f45a;--lime-dark:#b7d73a;--teal:#94c6bb;--orange:#e7a875;
      --dark:#192521;--dark-2:#24332d;--radius:20px;--shadow:0 18px 45px rgba(29,39,34,.09);
      --ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:1220px}
    .site-header{background:rgba(243,241,235,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000;backdrop-filter:blur(14px)}
    .nav-main{min-height:72px;display:flex;align-items:center;gap:30px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:21px;white-space:nowrap}
    .brand-mark{display:inline-flex;width:28px;height:28px;border-radius:9px;background:var(--lime);align-items:center;justify-content:center;margin-right:8px;font-size:14px}
    .main-links{display:flex;gap:5px;align-items:center;flex:1}
    .main-links a,.subnav a{padding:10px 13px;border-radius:10px;color:#53605a;font-weight:600}
    .main-links a:hover,.main-links a.active,.subnav a:hover{background:#e6eadf;color:var(--ink)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .subnav{border-top:1px solid #e2e4dd;background:#eeece5}
    .subnav .container{display:flex;gap:8px;align-items:center;min-height:42px;overflow:auto;white-space:nowrap}
    .subnav a{font-size:13px;padding:6px 12px}
    .btn{border-radius:12px;padding:11px 20px;font-weight:700;border:1px solid transparent;transition:var(--ease);min-height:44px}
    .btn-lime{background:var(--lime);color:var(--ink)}
    .btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px)}
    .btn-soft{background:#e7ebe3;color:var(--ink);border-color:#d6ddd2}
    .btn-soft:hover{border-color:var(--ink);transform:translateY(-2px)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:#30433a;transform:translateY(-2px)}
    .btn:focus,.form-control:focus,.accordion-button:focus{box-shadow:0 0 0 4px rgba(216,244,90,.38);outline:0}
    .page-banner{padding:72px 0 66px;background:#e7ebe1;border-bottom:1px solid var(--line)}
    .banner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#66822d;font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime-dark)}
    h1,h2,h3{line-height:1.22;letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,64px);margin:0 0 20px;font-weight:800}
    h2{font-size:clamp(28px,3.5vw,44px);margin:0}
    h3{font-size:20px;margin:0 0 10px}
    .lead{font-size:17px;color:var(--muted);max-width:650px}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .crumb a:hover{color:#66822d}
    .banner-image{height:280px;border-radius:28px;overflow:hidden;position:relative;background:var(--dark)}
    .banner-image img{height:100%;width:100%;object-fit:cover;opacity:.82}
    .banner-image:after{content:"行业观察 · 交互验证 · 工具协作";position:absolute;left:24px;bottom:20px;color:#fff;background:rgba(25,37,33,.75);padding:8px 13px;border-radius:10px;font-size:13px}
    .section{padding:92px 0}
    .section-tight{padding:62px 0}
    .section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:38px}
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .tag{display:inline-block;background:#e6eadf;color:#536457;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;margin:0 5px 8px 0}
    .topic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .topic-main,.topic-side{border:1px solid var(--line);background:var(--card);border-radius:24px;overflow:hidden}
    .topic-main{display:grid;grid-template-columns:.9fr 1.1fr;min-height:360px}
    .topic-main img{width:100%;height:100%;object-fit:cover}
    .topic-copy{padding:34px}
    .topic-copy p,.topic-side p,.step p,.evidence p,.accordion-body{color:var(--muted)}
    .topic-side{padding:30px;background:#e5efcf}
    .topic-side .metric{font-size:42px;font-weight:800;line-height:1;color:#66822d;margin:25px 0 8px}
    .resource-list{border-top:1px solid var(--line)}
    .resource-item{display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .resource-no{font-size:24px;font-weight:800;color:#93aa64}
    .resource-item p{color:var(--muted);margin:5px 0 0}
    .resource-arrow{font-size:24px;color:#76933f}
    .matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:var(--card)}
    .matrix{width:100%;min-width:680px;border-collapse:collapse}
    .matrix th,.matrix td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
    .matrix th{background:#e7ebe1;font-size:13px;color:#56645b}
    .matrix tr:last-child td{border-bottom:0}
    .matrix td:not(:first-child){color:#5d7531;font-weight:700}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:28px 25px 27px 0;margin-right:25px;border-right:1px solid var(--line)}
    .step:last-child{border:0}
    .step-index{display:block;color:#6d893a;font-size:14px;font-weight:800;margin-bottom:25px}
    .dark-section{background:var(--dark);color:#fff}
    .evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .evidence{border:1px solid #45554d;border-radius:20px;padding:28px;background:var(--dark-2)}
    .evidence strong{font-size:29px;color:var(--lime);display:block;margin-bottom:12px}
    .evidence p{margin:0;color:#c2d0c8}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent;color:var(--ink);font-weight:800;padding:22px 0;font-size:17px}
    .accordion-button:not(.collapsed){background:transparent;color:#5e7d27;box-shadow:none}
    .accordion-button::after{background-image:none;content:"+";font-size:24px;color:#78933e}
    .accordion-button:not(.collapsed)::after{content:"−";transform:none}
    .accordion-body{padding:0 40px 23px 0}
    .cta{background:var(--dark);color:#fff;border-radius:30px;padding:48px 55px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta p{color:#bdcdc3;margin:10px 0 0;max-width:600px}
    .contact-box{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:30px}
    .form-label{font-weight:700;font-size:13px}
    .form-control,.form-select{border:1px solid var(--line);background:#fffdf8;border-radius:11px;padding:12px 14px}
    .form-control:focus,.form-select:focus{border-color:#96af53}
    .site-footer{background:#121b18;color:#d9e2dc;padding:60px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:35px}
    .footer-brand{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
    .footer-note,.site-footer p{color:#aebdb5;font-size:14px}
    .site-footer h3{font-size:14px;color:var(--lime);margin-bottom:15px}
    .site-footer a{display:block;color:#c3d0c9;font-size:14px;margin:7px 0}
    .site-footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #34443c;margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#91a29a;font-size:12px}
    .mobile-bar{display:none}
    @media(max-width:991px){.main-links{display:none}.banner-grid,.topic-layout{grid-template-columns:1fr}.topic-main{grid-template-columns:1fr}.topic-main img{height:250px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:767px){.nav-main{min-height:66px;gap:12px}.brand{font-size:17px}.nav-actions .btn-soft{display:none}.page-banner{padding:50px 0}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.banner-image{height:230px}.topic-copy{padding:25px}.evidence-grid{grid-template-columns:1fr}.cta{padding:32px 25px;display:block}.cta .btn{margin-top:22px}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}
    @media(max-width:520px){.container{padding-left:18px;padding-right:18px}h1{font-size:37px}.lead{font-size:15px}.steps{display:block}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}.footer-grid{grid-template-columns:1fr;gap:22px}.resource-item{grid-template-columns:38px 1fr}.resource-arrow{display:none}.mobile-bar{display:flex;position:fixed;bottom:12px;left:12px;right:12px;z-index:999;background:var(--dark);padding:8px;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.25);gap:8px}.mobile-bar a{flex:1;text-align:center;padding:9px 5px;border-radius:9px;color:#fff;font-size:13px}.mobile-bar a:first-child{background:var(--lime);color:var(--ink)}}

/* 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}