/* roulang page: index */
:root{
  --primary:#083D2A;
  --primary-deep:#0A2B1E;
  --primary-mid:#176B46;
  --accent:#F1B64A;
  --bg-soft:#F6F8F5;
  --card:#FFFFFF;
  --line:#DFE8E1;
  --line-green:#9DC6AF;
  --text:#18231D;
  --text-body:#3F4A43;
  --text-weak:#79857D;
  --shadow-sm:0 2px 8px rgba(8,61,42,.06);
  --shadow-hover:0 10px 28px rgba(8,61,42,.13);
  --radius-lg:22px;
  --radius-md:14px;
  --radius-btn:10px;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:#fff;color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-mid);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
button,input,textarea{font-family:inherit}
p,h1,h2,h3,h4,ul,figure{margin:0}
.container-main{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.section-deep{background:linear-gradient(130deg,var(--primary-deep),var(--primary-mid))}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--primary-mid);text-transform:none;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.section-title{margin-bottom:16px}
.section-title h2{font-size:38px;line-height:1.28;font-weight:700;letter-spacing:-.5px;color:var(--text)}
.section-head{max-width:760px;margin-bottom:52px}
.section-head .sub-title{color:var(--text-body);font-size:16px;margin-top:14px}
.section-head.text-center{margin-left:auto;margin-right:auto;text-align:center}
.text-muted{color:var(--text-weak)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;padding:13px 26px;border:1px solid transparent;cursor:pointer;line-height:1.4;transition:all .22s ease;text-decoration:none;white-space:nowrap}
.btn-amber{background:var(--accent);color:var(--primary-deep);border-color:var(--accent)}
.btn-amber:hover{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.btn-outline-light:hover{background:#fff;color:var(--primary-deep);border-color:#fff}
.btn-dark{background:var(--primary-deep);color:#fff;border-color:var(--primary-deep)}
.btn-dark:hover{background:var(--primary-mid);border-color:var(--primary-mid);transform:translateY(-1px)}
.btn-outline-green{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline-green:hover{background:var(--primary);color:#fff}
.text-link{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}
/* topbar/header */
.site-topbar{background:var(--primary-deep);color:rgba(255,255,255,.72);font-size:13px;padding:6px 0}
.site-topbar .inner{display:flex;justify-content:space-between;gap:20px}
.site-topbar i{margin-right:5px}
.main-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:none;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--header-h)}
.brand-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:48px;height:48px;border-radius:13px;background:linear-gradient(140deg,var(--primary-deep),var(--primary-mid));display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;box-shadow:0 6px 14px rgba(8,61,42,.2)}
.brand-mark i{font-size:22px;color:var(--accent)}
.brand-name{font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.4px}
.brand-name small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--primary-mid);margin-top:0}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px;list-style:none;padding:0}
.site-nav a{display:block;padding:14px 10px;font-size:15px;font-weight:600;color:var(--text-body);border-bottom:2px solid transparent;position:relative}
.site-nav a:hover,.site-nav a.active{color:var(--primary);border-bottom-color:var(--accent)}
.header-cta{margin-left:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:28px;color:var(--text);padding:6px}
/* hero */
.hero{position:relative;color:#fff;background:linear-gradient(120deg,rgba(8,45,32,.98),rgba(17,90,59,.88)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;pointer-events:none;opacity:.4}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;min-height:610px;padding:78px 0}
.hero-copy{padding-right:54px}
.hero-copy .hero-eyebrow{display:block;font-size:14px;letter-spacing:.22em;color:var(--accent);margin-bottom:18px;font-weight:600}
.hero h1{font-size:54px;font-weight:800;line-height:1.22;letter-spacing:-1px;margin:0 0 20px}
.hero h1 span{color:var(--accent)}
.hero-lead{font-size:18px;line-height:1.85;max-width:580px;color:rgba(255,255,255,.9);margin-bottom:34px}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{background:rgba(255,255,255,.96);border-radius:var(--radius-lg);padding:32px;color:var(--text);box-shadow:0 16px 42px rgba(3,16,10,.24)}
.hero-panel h3{font-size:21px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.hero-panel h3 i{color:var(--primary-mid)}
.panel-sub{color:var(--text-body);font-size:14px;margin:12px 0 22px}
.panel-list{list-style:none;padding:0;margin:0 0 25px;display:grid;gap:0}
.panel-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-body)}
.panel-list i{color:var(--primary-mid);margin-top:3px;width:18px;flex:0 0 18px;font-size:14px}
.panel-list li:last-child{border-bottom:0}
.hero-panel .btn{width:100%}
/* stats */
.stats-bar{background:var(--primary-deep);color:#fff}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);padding:40px 0}
.stat-item{text-align:center;padding:18px 20px;border-right:1px solid rgba(255,255,255,.12)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:38px;font-weight:700;color:#fff;font-family:"Inter","Arial",sans-serif;letter-spacing:-1px}
.stat-num span{display:block;font-size:15px;font-weight:500;color:rgba(255,255,255,.72);letter-spacing:0}
.stat-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:6px}
/* shared card elements */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
/* service offgrid */
.service-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:30px}
.service-large{overflow:hidden;position:relative}
.service-large-img{height:270px;overflow:hidden}
.service-large-img img{width:100%;height:100%;object-fit:cover}
.service-large-body{padding:30px 30px 32px}
.service-head-tag{display:inline-block;background:rgba(23,107,70,.1);color:var(--primary);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;margin-bottom:18px}
.service-large-body h3{font-size:27px;font-weight:700;color:var(--text);margin-bottom:12px}
.service-large-body p{color:var(--text-body);font-size:15px;margin-bottom:18px}
.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{background:var(--bg-soft);border-radius:999px;padding:6px 16px;font-size:13px;font-weight:500;color:var(--text)}
.service-left-cards{display:flex;flex-direction:column;gap:30px}
.service-small-card{display:grid;grid-template-columns:230px 1fr;gap:0;overflow:hidden}
.service-small-card .img{min-height:178px}
.service-small-card .img img{width:100%;height:100%;object-fit:cover}
.service-small-body{padding:22px 24px}
.service-small-body h3{font-size:19px;margin-bottom:8px;color:var(--text)}
.service-small-body p{font-size:14px;color:var(--text-body);margin-bottom:14px}
/* advantage */
.adv-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.adv-intro h2{font-size:38px;font-weight:700;line-height:1.3;margin-bottom:20px}
.adv-intro p{color:var(--text-body)}
.adv-list{display:grid;gap:0}
.adv-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.adv-item:last-child{border-bottom:0}
.adv-index{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--primary-deep),var(--primary-mid));color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto}
.adv-content h3{font-size:18px;margin-bottom:6px}
.adv-content p{color:var(--text-weak);font-size:15px;line-height:1.7}
/* case */
.case-big{display:grid;grid-template-columns:1.05fr 1fr;overflow:hidden}
.case-big .img-wrap{min-height:350px;background:var(--bg-soft)}
.case-big .img-wrap img{height:100%;object-fit:cover}
.case-big-content{padding:38px 34px}
.case-badge{background:rgba(241,182,74,.2);color:#7a5410;border-radius:999px;font-weight:600;padding:5px 14px;font-size:13px}
.case-big-content h3{font-size:26px;line-height:1.35;margin:18px 0 14px}
.case-meta{color:var(--text-weak);font-size:14px;margin-bottom:16px}
.case-result{margin-top:20px;background:var(--bg-soft);border-radius:12px;padding:18px}
.case-result strong{color:var(--primary);font-size:24px;font-family:"Inter",sans-serif}
.case-mini-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.case-mini{display:flex;gap:14px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.case-mini .thumb{width:112px;height:88px;border-radius:9px;overflow:hidden;flex:0 0 auto}
.case-mini .thumb img{height:100%;width:100%;object-fit:cover}
.case-mini h4{font-size:15px;color:var(--text);line-height:1.45}
.case-mini span{display:block;margin-top:6px;font-size:13px;color:var(--text-weak)}
/* process deep */
.process-head{color:#fff;margin-bottom:64px}
.process-head h2{color:#fff}
.process-head p{color:rgba(255,255,255,.75)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:30px 22px;color:#fff;position:relative;min-height:190px}
.step-num{width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--primary-deep);font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.step-item h3{font-size:20px;margin-bottom:10px;color:#fff}
.step-item p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.7}
/* news block */
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:52px}
.section-head-row .section-head{margin-bottom:0}
.link-more{font-size:15px;font-weight:700;color:var(--primary);display:inline-flex;gap:6px}
.news-card{display:flex;flex-direction:column}
.news-card .news-body{padding:20px}
.news-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:12px}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--primary-mid)}
.news-desc{font-size:14px;color:var(--text-weak);line-height:1.75}
.news-meta{display:flex;gap:16px;font-size:12.5px;color:var(--text-weak);margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.news-empty{grid-column:1/-1;text-align:center;padding:50px 0;color:var(--text-weak);font-size:15px}
/* faq */
.faq-grid{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:12px;overflow:hidden;transition:border .25s}
.faq-item summary{list-style:none;padding:19px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:20px;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{background:#FAFBF9}
.faq-item p{padding:4px 22px 22px;color:var(--text-body);font-size:15px;line-height:1.8}
.faq-icon{color:var(--primary-mid);font-size:20px;transition:transform .3s;flex:0 0 auto}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
/* cta contact */
.contact-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-sm);overflow:hidden}
.contact-box{display:grid;grid-template-columns:1.1fr .9fr;gap:0}
.contact-info{background:linear-gradient(145deg,var(--primary-deep),var(--primary-mid));color:#fff;padding:52px 48px}
.contact-info h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:18px}
.contact-info p{color:rgba(255,255,255,.8);font-size:15px;line-height:1.85;margin-bottom:30px}
.contact-services{list-style:none;padding:0;margin:0}
.contact-services li{padding:10px 0;display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.88)}
.contact-services i{color:var(--accent);margin-top:6px}
.contact-form{padding:46px 42px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid label{width:100%}
.contact-form label span{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px}
.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);background:var(--bg-soft);border-radius:9px;padding:11px 14px;font-size:14px;line-height:1.5;color:var(--text);outline:0;transition:border .2s,box-shadow .2s,background .2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary-mid);background:#fff;box-shadow:0 0 0 4px rgba(23,107,70,.1)}
.form-wide{grid-column:1/-1}
.form-submit{margin-top:10px;width:100%}
.form-note{font-size:13px;color:var(--text-weak);margin-top:12px}
/* footer */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.75);padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:12px;max-width:330px}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li a{display:inline-block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-links li a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:9px;padding:5px 0;font-size:14px;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:4px;width:16px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding:18px 0;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom .inner{display:flex;justify-content:space-between;gap:20px}
/* inner pages */
.inner-hero{height:auto;padding:76px 0;background:linear-gradient(120deg,rgba(8,45,32,.97),rgba(23,107,70,.9)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff}
.inner-hero h1{font-size:44px;line-height:1.2;font-weight:800;margin-bottom:14px}
.inner-hero .breadcrumb{font-size:13px;opacity:.85;display:flex;flex-wrap:wrap}
.inner-hero .breadcrumb a{color:#fff;opacity:.8}
.inner-hero p{font-size:17px;max-width:640px;color:rgba(255,255,255,.86)}
.breadcrumb span{margin:0 8px}
.page-intro{padding:96px 0}
.page-intro h2{font-size:34px;margin-bottom:16px}
.article-reading{max-width:830px;margin:0 auto}
.article-body{font-size:16px;line-height:1.9;color:var(--text-body)}
.article-body h2{font-size:26px;color:var(--text);margin:42px 0 16px;line-height:1.4}
.article-body h3{font-size:20px;color:var(--text);margin:30px 0 12px}
.article-body blockquote{margin:28px 0;padding:18px 22px;background:var(--bg-soft);border-left:4px solid var(--accent);color:var(--text);border-radius:0 12px 12px 0}
.article-body ul{padding-left:20px}
.article-body li{margin-bottom:8px}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;font-size:15px;text-align:left}
.article-body th{background:var(--bg-soft);font-weight:600;color:var(--text)}
.article-meta{display:flex;gap:18px;color:var(--text-weak);font-size:14px;margin:20px 0 28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-meta i{margin-right:2px}
.page-cover{border-radius:16px;overflow:hidden;margin-bottom:20px}
.page-cover img{width:100%;height:350px;object-fit:cover}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
/* category1 */
.service-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-feature-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.cat-feature-card .icon{width:52px;height:52px;background:var(--bg-soft);border-radius:13px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px}
.cat-feature-card .icon i{color:var(--primary)}
.cat-feature-card .content{padding:22px 22px 26px}
.cat-feature-card h3{font-size:20px;margin-bottom:10px}
.cat-feature-card p{font-size:14px;color:var(--text-weak);line-height:1.75}
/* guide layout category2 */
.two-cols{display:grid;grid-template-columns:320px 1fr;gap:50px;align-items:start}
.side-box{background:#fff;border-radius:16px;border:1px solid var(--line)}
.toc-box{padding:28px;position:sticky;top:110px}
.toc-box h3{font-size:17px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.toc-list{list-style:none;padding:0;margin:0;font-size:14px}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;padding:10px 10px;border-radius:8px;color:var(--text-body);font-weight:500}
.toc-list a:hover{background:var(--bg-soft);color:var(--primary)}
.article-content-single h2{font-size:28px;margin-bottom:14px;margin-top:14px}
.article-content-single h3{font-size:21px;margin-bottom:14px}
.article-content-single p{font-size:16px;line-height:1.9;color:var(--text-body);margin-bottom:18px}
.related-guides{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:54px}
.guide-card{background:#fff;border:1px solid var(--line);padding:20px;border-radius:14px}
.guide-card span{display:block;font-size:13px;color:var(--primary-mid);font-weight:600;margin-bottom:8px}
.guide-card h3{margin-bottom:10px}
.guide-card p{color:var(--text-weak);font-size:14px;line-height:1.7}
.cta-strip{background:linear-gradient(135deg,var(--primary-deep),var(--primary-mid));padding:54px 0;color:#fff}
.cta-strip h2{color:#fff;font-size:30px;text-align:center}
.cta-strip .btn{display:inline-flex}
/* responsive */
@media (max-width:1023px){
.header-cta{display:none}
.hero-inner{flex-direction:column;gap:48px;padding:56px 0}
.hero-copy{padding-right:0}
.hero h1{font-size:44px}
.hero-panel{max-width:520px;width:100%}
.adv-wrap{grid-template-columns:1fr;gap:40px}
.case-big{grid-template-columns:1fr}
.case-big .img-wrap{height:240px}
.steps{grid-template-columns:1fr 1fr}
.contact-box{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.stats-inner{grid-template-columns:1fr 1fr}
.stat-item{border:0;border-bottom:1px solid rgba(255,255,255,.12)}
.service-grid{grid-template-columns:1fr}
.service-small-card{grid-template-columns:220px 1fr}
.service-cat-grid{grid-template-columns:1fr 1fr}
.case-mini-wrap{grid-template-columns:1fr}
.two-cols{grid-template-columns:1fr}
.toc-box{position:static;padding:20px}
.related-guides{grid-template-columns:1fr 1fr}
}
@media (max-width:639px){
.section{padding:66px 0}
.site-topbar{display:none}
.site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 22px;display:none;border-bottom:1px solid var(--line);box-shadow:0 12px 28px rgba(0,0,0,.08)}
.site-nav.open{display:flex}
.site-nav a{padding:12px 6px;border-bottom:1px solid #f1f3ef;font-size:16px;width:100%}
.site-nav a:hover,.site-nav a.active{border-bottom-color:var(--accent)}
.nav-toggle{display:block;width:50px;height:50px;margin-left:auto}
.header-cta{display:none}
.hero-inner{min-height:0;padding:46px 0}
.hero h1{font-size:32px;letter-spacing:0}
.hero-eyebrow,.hero-lead{font-size:15px}
.inner-hero h1{font-size:32px}
.stats-inner{grid-template-columns:1fr 1fr;padding:16px 0 10px}
.stat-num{font-size:30px}
.service-left-cards{gap:18px}
.service-large-img{height:180px}
.service-large-body{padding:20px 18px}
.service-small-card{grid-template-columns:1fr}
.service-small-card .img{height:150px}
.case-mini{flex-direction:column}
.case-mini .thumb{width:100%;height:150px}
.adv-intro h2{font-size:30px}
.section-head h2,.section-head-row h2,.process-head h2,.page-intro h2{font-size:28px;line-height:1.3}
.section-head-row{flex-direction:column;gap:8px}
.steps{grid-template-columns:1fr}
.contact-info,.contact-form{padding:28px 20px}
.form-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr;gap:28px}
.footer-bottom .inner{flex-direction:column;text-align:center}
.service-cat-grid{grid-template-columns:1fr}
.related-guides{grid-template-columns:1fr}
.article-body h2{font-size:24px}
.page-cover img{height:190px}
.contact-box{}
.adv-list{}
.section-head{margin-bottom:38px}
}

/* roulang page: article */
:root{
    --forest:#083D2A;
    --forest-deep:#0A2B1E;
    --forest-light:#176B46;
    --amber:#F1B64A;
    --bg:#F6F8F5;
    --card:#ffffff;
    --line:#E3EAE4;
    --line-2:#DFE8E1;
    --text:#18231D;
    --muted:#59675F;
    --weak:#8A958D;
    --radius-xl:22px;
    --radius-md:12px;
    --radius-sm:9px;
    --shadow-sm:0 2px 8px rgba(8,61,42,.06);
    --shadow-hover:0 14px 34px rgba(8,61,42,.12);
    --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    --font-brand:"Inter","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit}
.container-main{
    max-width:1280px;
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
}
:focus-visible{
    outline:3px solid rgba(241,182,74,.55);
    outline-offset:2px;
}

/* ===== header ===== */
.main-header{
    position:sticky;
    top:0;
    z-index:50;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
}
.main-header.is-scrolled{
    box-shadow:0 6px 22px rgba(8,61,42,.08);
}
.header-inner{
    display:flex;
    align-items:center;
    min-height:76px;
    gap:20px;
    position:relative;
}
.brand-logo{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
}
.brand-mark{
    width:42px;
    height:42px;
    border-radius:12px;
    background:linear-gradient(135deg,var(--forest-deep),var(--forest-light));
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:19px;
}
.brand-name{
    font-family:var(--font-brand);
    font-size:22px;
    font-weight:800;
    color:var(--forest-deep);
    letter-spacing:-.4px;
    line-height:1.1;
    white-space:nowrap;
}
.brand-name small{
    display:block;
    font-size:11px;
    font-family:var(--font-main);
    font-weight:600;
    letter-spacing:1.5px;
    color:var(--forest-light);
    margin-top:3px;
}
.site-nav{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:30px;
}
.site-nav a{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:#3B4A42;
    padding:10px 2px;
    transition:color .2s ease;
}
.site-nav a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:2px;
    width:0;
    height:3px;
    border-radius:99px;
    background:var(--amber);
    transition:width .25s ease;
}
.site-nav a:hover,
.site-nav a.active{
    color:var(--forest);
}
.site-nav a.active::after,
.site-nav a:hover::after{
    width:100%;
}
.header-cta{
    margin-left:8px;
    flex-shrink:0;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:10px;
    padding:11px 22px;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    border:1px solid transparent;
    cursor:pointer;
    transition:all .22s ease;
    text-align:center;
    text-decoration:none;
}
.btn-amber{
    background:var(--amber);
    color:#122A1E;
    border-color:var(--amber);
}
.btn-amber:hover{
    background:transparent;
    color:#fff;
    border-color:#fff;
    box-shadow:0 8px 18px rgba(0,0,0,.12);
}
.btn-outline{
    border-color:var(--forest);
    color:var(--forest);
    background:transparent;
}
.btn-outline:hover{
    background:var(--forest);
    color:#fff;
}
.btn-white-outline{
    border-color:rgba(255,255,255,.75);
    color:#fff;
    background:transparent;
}
.btn-white-outline:hover{
    background:var(--amber);
    border-color:var(--amber);
    color:#0A2B1E;
}
.nav-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    color:var(--forest);
    font-size:18px;
    cursor:pointer;
    margin-left:auto;
}
.nav-toggle:hover{
    background:var(--bg);
}

/* ===== article top banner ===== */
.article-banner{
    background:
        linear-gradient(115deg, rgba(10,43,30,.96) 0%, rgba(10,43,30,.84) 55%, rgba(23,107,70,.76) 100%),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding:52px 0 74px;
    color:#fff;
}
.crumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.72);
    margin-bottom:26px;
}
.crumb a{
    transition:color .2s;
}
.crumb a:hover{
    color:var(--amber);
}
.crumb .fa-angle-right{
    font-size:12px;
    opacity:.7;
}
.crumb .current{
    color:#fff;
    font-weight:500;
}
.banner-title{
    max-width:900px;
    font-size:42px;
    line-height:1.28;
    font-weight:800;
    letter-spacing:-.4px;
    color:#fff;
    text-wrap:balance;
}
.banner-meta{
    display:flex;
    flex-wrap:wrap;
    gap:18px 30px;
    margin-top:22px;
    font-size:14px;
    color:rgba(255,255,255,.85);
}
.banner-meta i{
    color:var(--amber);
    margin-right:7px;
}
.banner-meta span{
    display:inline-flex;
    align-items:center;
}

/* ===== article media ===== */
.article-stage{
    max-width:1040px;
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:3;
}
.article-media{
    margin-top:-34px;
    overflow:hidden;
    border-radius:var(--radius-xl);
    border:6px solid #fff;
    box-shadow:0 18px 48px rgba(8,61,42,.16);
}
.article-media img{
    width:100%;
    height:auto;
    aspect-ratio:16/7;
    object-fit:cover;
}

/* ===== article reader ===== */
.article-reader{
    padding:48px 0 30px;
}
.article-inner{
    max-width:860px;
    margin:0 auto;
    padding:0 24px;
}
.article-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    padding:54px 60px;
    box-shadow:var(--shadow-sm);
}
.article-body{
    font-size:16.5px;
    line-height:1.86;
    color:#26342C;
}
.article-body > p:first-of-type{
    font-size:18px;
    color:#1B2A21;
    line-height:1.8;
}
.article-body h2{
    font-size:26px;
    font-weight:700;
    color:var(--forest-deep);
    margin:42px 0 16px;
    padding-top:12px;
    border-top:1px solid var(--line);
    line-height:1.4;
}
.article-body h3{
    font-size:21px;
    font-weight:700;
    color:var(--forest);
    margin:34px 0 12px;
    line-height:1.5;
}
.article-body h4{
    font-size:18px;
    font-weight:600;
    color:var(--text);
    margin:24px 0 10px;
}
.article-body p{
    margin:0 0 20px;
}
.article-body a{
    color:var(--forest-light);
    font-weight:500;
    border-bottom:1px solid rgba(23,107,70,.35);
    transition:color .2s,border-color .2s;
}
.article-body a:hover{
    color:var(--amber);
    border-color:var(--amber);
}
.article-body ul,
.article-body ol{
    margin:0 0 24px;
    padding-left:2px;
}
.article-body ul li{
    position:relative;
    padding-left:22px;
    margin-bottom:10px;
}
.article-body ul li::before{
    content:"";
    position:absolute;
    left:2px;
    top:.72em;
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--forest-light);
}
.article-body ol{
    counter-reset:articleNum;
}
.article-body ol li{
    position:relative;
    padding-left:30px;
    margin-bottom:10px;
    counter-increment:articleNum;
}
.article-body ol li::before{
    content:counter(articleNum);
    position:absolute;
    left:0;
    top:.12em;
    width:20px;
    height:20px;
    font-size:12px;
    font-weight:700;
    color:var(--forest);
    background:#DFEFE5;
    border-radius:6px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.article-body blockquote{
    margin:0 0 26px;
    padding:18px 24px;
    border-left:4px solid var(--amber);
    background:#F7FBF4;
    border-radius:0 14px 14px 0;
    color:#314139;
    font-size:16px;
}
.article-body img{
    border-radius:16px;
    margin:30px 0;
    width:100%;
    height:auto;
}
.article-body table{
    width:100%;
    margin:0 0 28px;
    border-collapse:collapse;
    font-size:15px;
    display:block;
    overflow-x:auto;
}
.article-body th,
.article-body td{
    border:1px solid var(--line);
    padding:12px 14px;
    text-align:left;
}
.article-body th{
    background:#EAF2EB;
    color:var(--forest-deep);
    font-weight:600;
}
.article-body iframe{
    max-width:100%;
    border:0;
    border-radius:14px;
}

/* ===== tags & bottom ===== */
.article-tags{
    margin-top:38px;
    padding-top:24px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
}
.article-tags .tag-label{
    font-size:14px;
    color:var(--weak);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.chip{
    display:inline-block;
    padding:6px 14px;
    background:var(--bg);
    color:var(--forest);
    border:1px solid var(--line-2);
    border-radius:99px;
    font-size:13px;
    font-weight:500;
    transition:all .2s ease;
}
.chip:hover{
    background:var(--forest);
    color:#fff;
    border-color:var(--forest);
}
.article-next{
    margin-top:36px;
    padding:22px 0 0;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:18px;
}
.article-next .tip{
    font-size:15px;
    color:var(--muted);
}
.article-next .actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}

/* missing state */
.not-found-card{
    text-align:center;
    padding:56px 30px;
}
.not-found-card .empty-icon{
    width:72px;
    height:72px;
    margin:0 auto 22px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:30px;
    color:var(--forest);
    background:#E4EFE7;
    border-radius:22px;
}
.not-found-card h2{
    font-size:28px;
    color:var(--forest-deep);
    margin-bottom:10px;
}
.not-found-card p{
    color:var(--muted);
    margin-bottom:24px;
}

/* ===== aside recommended ===== */
.related-section{
    padding:68px 0 84px;
    background:#EFF4EF;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    margin-bottom:30px;
    max-width:1160px;
    margin-left:auto;
    margin-right:auto;
    padding:0 24px;
}
.eyebrow{
    display:block;
    font-size:13px;
    font-weight:600;
    letter-spacing:2px;
    color:var(--forest-light);
    text-transform:none;
    margin-bottom:8px;
}
.section-title{
    font-size:32px;
    font-weight:700;
    color:var(--forest-deep);
    line-height:1.3;
}
.related-grid{
    max-width:1160px;
    margin:0 auto;
    padding:0 24px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
}
.related-card{
    display:flex;
    flex-direction:column;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:var(--amber);
}
.related-media{
    overflow:hidden;
    position:relative;
    aspect-ratio:16/9;
}
.related-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.related-card:hover .related-media img{
    transform:scale(1.04);
}
.related-media .cover-tag{
    position:absolute;
    left:14px;
    top:14px;
    background:rgba(10,43,30,.82);
    color:#fff;
    font-size:12px;
    padding:4px 12px;
    border-radius:99px;
    backdrop-filter:none;
}
.related-body{
    padding:22px 22px 20px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.related-body h3{
    font-size:19px;
    line-height:1.5;
    color:var(--text);
    margin-bottom:10px;
    font-weight:700;
    transition:color .2s;
}
.related-card:hover .related-body h3{
    color:var(--forest);
}
.related-body p{
    font-size:14px;
    color:var(--muted);
    line-height:1.7;
    margin-bottom:16px;
    flex:1;
}
.read-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13.5px;
    font-weight:600;
    color:var(--forest-light);
}
.read-more i{
    transition:transform .2s ease;
}
.related-card:hover .read-more i{
    transform:translateX(4px);
}

/* ===== footer ===== */
.site-footer{
    background:linear-gradient(135deg,#0A2B1E 0%,#083D2A 70%,#176B46 130%);
    color:#EAF2EC;
}
.site-footer a{
    color:rgba(255,255,255,.72);
    transition:color .2s ease;
}
.site-footer a:hover{
    color:var(--amber);
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
    padding:70px 0 50px;
}
.footer-brand p{
    margin-top:16px;
    font-size:14.5px;
    line-height:1.8;
    color:rgba(255,255,255,.72);
    max-width:330px;
}
.footer-title{
    color:#fff;
    font-size:17px;
    font-weight:700;
    margin-bottom:18px;
}
.footer-links li{
    margin-bottom:12px;
}
.footer-links a{
    font-size:14.5px;
}
.footer-contact li{
    display:flex;
    gap:8px;
    align-items:flex-start;
    font-size:14.5px;
    color:rgba(255,255,255,.74);
}
.footer-contact i{
    color:var(--amber);
    margin-top:4px;
}
.footer-bottom{
    background:rgba(0,0,0,.18);
}
.footer-bottom .inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px;
    padding-top:20px;
    padding-bottom:20px;
    font-size:13px;
    color:rgba(255,255,255,.6);
}

/* ===== responsive ===== */
@media (max-width:1023px){
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:30px;
    }
    .related-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .banner-title{
        font-size:36px;
    }
    .article-inner{
        padding:0 18px;
    }
    .article-card{
        padding:42px 36px;
    }
}
@media (max-width:860px){
    .header-cta{
        display:none;
    }
    .nav-toggle{
        display:inline-flex;
    }
    .site-nav{
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:2px;
        width:100%;
        background:#fff;
        border-top:1px solid var(--line);
        padding:12px 4px 18px;
        margin-left:0;
    }
    .site-nav.is-open{
        display:flex;
        position:absolute;
        top:100%;
        left:0;
        right:0;
        box-shadow:0 18px 40px rgba(8,61,42,.14);
        border-bottom:1px solid var(--line);
    }
    .site-nav a{
        padding:13px 8px;
        font-size:16px;
        border-bottom:1px solid #F0F4EF;
    }
    .site-nav a:last-child{
        border-bottom:0;
    }
    .site-nav a::after{
        display:none;
    }
    .site-nav a:hover{
        background:var(--bg);
    }
}
@media (max-width:640px){
    .container-main{
        padding-left:18px;
        padding-right:18px;
    }
    .brand-name{
        font-size:19px;
    }
    .brand-mark{
        width:38px;
        height:38px;
        font-size:16px;
        border-radius:10px;
    }
    .article-banner{
        padding:40px 0 66px;
    }
    .banner-title{
        font-size:29px;
    }
    .article-stage{
        padding:0 16px;
    }
    .article-media{
        margin-top:-26px;
        border-width:4px;
        border-radius:16px;
    }
    .article-media img{
        aspect-ratio:16/10;
    }
    .article-card{
        padding:30px 22px;
        border-radius:16px;
    }
    .article-body{
        font-size:15.5px;
        line-height:1.82;
    }
    .article-body h2{
        font-size:22px;
    }
    .article-body h3{
        font-size:19px;
    }
    .section-title{
        font-size:28px;
    }
    .section-head{
        align-items:flex-start;
        flex-direction:column;
        gap:12px;
        padding:0 18px;
    }
    .related-grid{
        grid-template-columns:1fr;
        padding:0 18px;
    }
    .related-card h3{
        font-size:18px;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:28px;
        padding:52px 0 36px;
    }
    .footer-bottom .inner{
        flex-direction:column;
        text-align:center;
    }
}

/* roulang page: category1 */
:root{
  --primary:#083D2A;
  --primary-deep:#0A2B1E;
  --primary-light:#176B46;
  --accent:#F1B64A;
  --bg-soft:#F6F8F5;
  --card:#FFFFFF;
  --line:#E3EAE4;
  --line-green:#9DC6AF;
  --text:#18231D;
  --text-sub:#5A665E;
  --text-weak:#8A958D;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(8,61,42,.06);
  --shadow-hover:0 10px 28px rgba(8,61,42,.13);
  --transition:all .25s ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  color:var(--text);
  background:var(--bg-soft);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--primary-light);}
p{margin:0 0 16px;}
h1,h2,h3,h4,h5{margin:0 0 18px;line-height:1.35;color:var(--text);font-weight:700;}
h1{font-size:52px;}
h2{font-size:36px;}
h3{font-size:21px;}
ul,ol{margin:0 0 18px;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(241,182,74,.55);outline-offset:2px;}
.container-main{max-width:1280px;margin:0 auto;padding:0 24px;}
.row{max-width:1280px;}
.main-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 10px rgba(8,61,42,.04);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.brand-logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;vertical-align:middle;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  box-shadow:0 5px 14px rgba(8,61,42,.18);
}
.brand-name{
  font-size:21px;font-weight:800;color:var(--text);
  letter-spacing:.2px;line-height:1.2;
  font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
}
.brand-name small{
  display:block;font-size:11px;color:var(--text-sub);
  font-weight:600;letter-spacing:1.2px;margin-top:3px;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.site-nav{display:flex;align-items:center;gap:6px;}
.site-nav a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-sub);
  padding:10px 14px;
  border-radius:9px;
  white-space:nowrap;
}
.site-nav a:hover{color:var(--primary);background:rgba(8,61,42,.06);}
.site-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-4px;
  height:3px;border-radius:99px;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;
}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);}
.site-nav a.active{color:var(--primary);}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary);
  font-size:19px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:var(--transition);
}
.nav-toggle:hover{background:var(--bg-soft);}
.header-cta .btn{padding:12px 22px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  border-radius:11px;
  padding:14px 27px;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  line-height:1.4;
  vertical-align:middle;
  text-align:center;
}
.btn-amber{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--primary-deep);
}
.btn-amber:hover{background:var(--primary-light);border-color:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(23,107,70,.22);}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.85);
  color:#fff;
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line-green);
  color:var(--primary);
}
.btn-ghost:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--primary);
}
.link-more i{transition:transform .25s ease;}
.link-more:hover i{transform:translateX(4px);}
.link-more:hover{color:var(--primary-light);}
/* page hero */
.page-hero{
  position:relative;
  background:linear-gradient(115deg,rgba(10,43,30,.96) 0%,rgba(8,61,42,.88) 48%,rgba(23,107,70,.74) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:92px 0 76px;
  color:#fff;
}
.page-hero .container-main{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.84);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{margin:0 3px;color:rgba(255,255,255,.4);}
.hero-kicker{
  display:inline-block;
  font-size:13px;font-weight:700;
  letter-spacing:2px;
  color:var(--accent);
  border:1px solid rgba(241,182,74,.45);
  padding:7px 14px;
  border-radius:999px;
  background:rgba(241,182,74,.08);
  margin-bottom:20px;
}
.page-hero h1{color:#fff;margin-bottom:20px;font-size:56px;}
.page-hero-title .topic{display:block;font-size:20px;font-weight:700;color:var(--accent);letter-spacing:1px;margin-bottom:8px;}
.page-hero-title .main-term{display:block;}
.hero-lead{max-width:760px;font-size:17px;color:rgba(255,255,255,.9);line-height:1.85;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* section generic */
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.section-white{background:#fff;}
.section-gap-line{border-top:1px solid #eef2ee;}
.section-head{margin-bottom:52px;display:flex;gap:32px;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;}
.section-head.left{justify-content:flex-start;flex-direction:column;align-items:flex-start;gap:14px;}
.section-head .eyebrow,.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:800;
  letter-spacing:2px;
  color:var(--primary-light);
  text-transform:none;
  margin-bottom:14px;
}
.section-head h2,.cap-text h2{margin-bottom:0;}
.l-side-remark{max-width:340px;color:var(--text-sub);font-size:15px;line-height:1.8;}
/* service scope */
.scope-card{
  background:var(--card);
  border:1px solid #eef2ef;
  border-radius:var(--radius-lg);
  padding:30px 26px;
  height:100%;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.scope-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--accent);opacity:0;transition:opacity .25s ease;
}
.scope-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--line-green);}
.scope-card:hover::before{opacity:1;}
.scope-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;}
.icon-box{
  width:52px;height:52px;border-radius:14px;
  background:#DFEFE5;color:var(--primary);
  font-size:22px;
  display:flex;align-items:center;justify-content:center;
}
.scope-no{color:#cbd8cf;font-size:30px;font-weight:800;font-family:Inter,sans-serif;line-height:1;}
.scope-card h3{margin-bottom:10px;font-size:20px;}
.scope-card .scope-desc{font-size:14.5px;line-height:1.75;color:var(--text-sub);margin-bottom:18px;}
.scope-list{margin-top:auto;}
.scope-list li{
  font-size:14px;color:var(--text-sub);
  padding:7px 0;border-top:1px dashed #e2e9e3;
  display:flex;justify-content:space-between;gap:12px;align-items:center;
}
.scope-list li::before{content:"";flex:0 0 6px;height:6px;border-radius:99px;background:var(--line-green);}
.scope-card .link-more{margin-top:16px;}
/* capabilities */
.capabilities-section{background:#fff;}
.cap-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  height:100%;
  min-height:440px;
}
.cap-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.cap-media:hover img{transform:scale(1.03);}
.cap-text{padding:10px 0 0;}
.cap-text .lead{font-size:16px;color:var(--text-sub);line-height:1.9;margin-bottom:28px;}
.cap-grid-item{
  display:flex;gap:16px;
  padding:15px 4px;
  border-top:1px dashed #e7ede8;
  transition:background .2s ease;
}
.cap-grid-item:hover{background:#fafcf7;padding-left:14px;padding-right:14px;border-radius:14px;}
.cap-grid-icon{
  flex:0 0 40px;
  width:40px;height:40px;border-radius:11px;
  background:var(--primary);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.cap-grid-body h3{font-size:17px;margin-bottom:5px;font-weight:700;}
.cap-grid-body p{font-size:14px;color:var(--text-sub);margin-bottom:0;line-height:1.7;}
/* case */
.cases-section{background:var(--bg-soft);}
.case-feature{
  background:var(--card);
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid #eef2ef;
  box-shadow:var(--shadow-sm);
  margin-bottom:24px;
}
.case-feature:hover{box-shadow:var(--shadow-hover);}
.case-feature-image{min-height:300px;height:100%;overflow:hidden;}
.case-feature-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.case-feature:hover .case-feature-image img{transform:scale(1.04);}
.case-feature-body{padding:44px 42px;display:flex;flex-direction:column;justify-content:center;}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.case-tag{
  font-size:12.5px;font-weight:700;
  color:var(--primary-light);
  background:#EAF3EC;
  border-radius:999px;
  padding:5px 13px;
}
.case-feature-body h3{font-size:25px;margin-bottom:14px;}
.case-feature-body p{color:var(--text-sub);line-height:1.85;}
.case-metrics{
  display:flex;flex-wrap:wrap;gap:24px;
  border-top:1px solid #eaeff1;
  margin-top:20px;padding-top:20px;
}
.case-metric strong{
  display:block;
  font-size:20px;color:var(--primary);
  font-weight:800;
  line-height:1.2;
}
.case-metric span{font-size:12.5px;color:var(--text-weak);}
.case-mini-card{
  background:var(--card);
  border:1px solid #eef2ef;
  border-radius:var(--radius-md);
  padding:26px;
  height:100%;
  transition:var(--transition);
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
}
.case-mini-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.case-mini-card h4{font-size:18px;margin-bottom:10px;}
.case-mini-card p{font-size:14px;color:var(--text-sub);margin-bottom:16px;flex-grow:1;}
.case-view{font-size:13px;font-weight:700;color:var(--primary);}
/* advantage */
.advantages-section{background:#fff;}
.advantage-item{
  display:flex;
  gap:24px;
  background:var(--bg-soft);
  border:1px solid #eef2ef;
  border-radius:var(--radius-md);
  padding:30px;
  height:100%;
  transition:var(--transition);
}
.advantage-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);background:#fff;}
.advantage-no{
  font-family:Inter,sans-serif;
  font-size:15px;font-weight:800;
  color:var(--accent);
  background:var(--primary);
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex-shrink:0;
}
.advantage-item h3{font-size:18px;margin-bottom:8px;}
.advantage-item p{color:var(--text-sub);font-size:14.5px;margin-bottom:0;line-height:1.8;}
/* process */
.process-section{
  position:relative;
  background:linear-gradient(120deg,rgba(10,43,30,.95) 0%,rgba(8,61,42,.92) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:92px 0;
  color:#fff;
}
.process-section .section-head h2{color:#fff;}
.process-section .eyebrow{color:var(--accent);}
.process-section .l-side-remark{color:rgba(255,255,255,.76);}
.process-grid-item{text-align:center;padding:0 10px;}
.process-node{
  width:68px;height:68px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(241,182,74,.6);
  color:var(--accent);
  font-size:21px;
  font-weight:800;
  font-family:Inter,sans-serif;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;
}
.process-grid-item h3{color:#fff;font-size:18px;margin-bottom:12px;}
.process-grid-item p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.8;margin-bottom:0;}
.process-cta{text-align:center;margin-top:48px;}
/* faq */
.faq-section{background:var(--bg-soft);}
.faq-panel{max-width:980px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid #eef2ef;
  border-radius:var(--radius-md);
  margin-bottom:12px;
  padding:0 6px;
  box-shadow:0 1px 4px rgba(8,61,42,.04);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:var(--line-green);}
.faq-item summary{
  list-style:none;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  padding:22px 70px 22px 26px;
  cursor:pointer;
  display:flex;
  align-items:center;
  position:relative;
  transition:color .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  width:32px;
  height:32px;
  margin-top:-16px;
  border-radius:50%;
  background:#EAF3EC;
  color:var(--primary);
  font-size:21px;
  font-weight:300;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .3s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-item[open] summary{color:var(--primary);}
.faq-answer{padding:0 28px 26px 26px;color:var(--text-sub);font-size:15px;line-height:1.85;border-top:none;}
/* contact */
.contact-section{background:#fff;padding:92px 0;}
.contact-shell{
  background:linear-gradient(180deg,#fbfcfa,#f3f7f2);
  border-radius:28px;
  padding:50px;
  border:1px solid #e6ece5;
  position:relative;
  overflow:hidden;
}
.contact-shell::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:5px;
  background:linear-gradient(90deg,var(--accent) 0%,var(--primary-light) 100%);
}
.contact-info h3{font-size:31px;margin-bottom:16px;}
.contact-info p{color:var(--text-sub);font-size:15px;margin-bottom:30px;}
.contact-points{list-style:none;padding:0;margin:0;}
.contact-points li{display:flex;gap:14px;padding:12px 0;border-top:1px dashed #dbe5dc;font-size:15px;color:var(--text);align-items:flex-start;}
.contact-points i{color:var(--primary-light);margin-top:4px;width:20px;text-align:center;}
.form-card{
  background:#fff;
  border-radius:20px;
  box-shadow:0 10px 30px rgba(8,61,42,.08);
  padding:34px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:18px;}
.form-group.full{grid-column:span 2;}
.form-label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  color:var(--text);
  margin-bottom:7px;
}
.form-control,.form-select,.form-textarea{
  width:100%;
  border:1px solid #dbe5dc;
  background:#f8faf8;
  border-radius:10px;
  font-size:15px;
  color:var(--text);
  padding:13px 15px;
  font-family:inherit;
  transition:all .2s ease;
}
.form-control:focus,.form-select:focus,.form-textarea:focus{
  outline:none;
  border-color:var(--primary-light);
  background:#fff;
  box-shadow:0 0 0 4px rgba(23,107,70,.12);
}
.form-textarea{height:110px;resize:vertical;}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 512'%3E%3Cpath fill='%235A665E' d='M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0L313 182.3c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.4 9.5-24.6 9.5-34-.1z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:12px;
}
.form-text{font-size:12px;color:var(--text-weak);line-height:1.6;}
/* footer */
.site-footer{background:var(--primary-deep);color:#d9e6de;}
.site-footer .brand-logo{margin-bottom:14px;}
.site-footer .brand-mark{background:rgba(255,255,255,.1);color:var(--accent);box-shadow:none;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-name small{color:#a9c6b5;}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1.2fr;
  gap:48px;
  padding:74px 0 50px;
}
.footer-brand p{color:#a9c6b5;font-size:14.5px;line-height:1.9;margin-top:14px;}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:.4px;
}
.footer-links li{padding:5px 0;}
.footer-links a{color:#b7cec1;font-size:14.5px;}
.footer-links a:hover{color:var(--accent);padding-left:3px;}
.footer-contact li{
  color:#b7cec1;font-size:14.5px;padding:7px 0;line-height:1.7;
  display:flex;gap:12px;
}
.footer-contact i{color:var(--accent);margin-top:3px;width:18px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.2);
  color:#9fb5a8;
  font-size:13px;
}
.footer-bottom .inner{
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
@media screen and (max-width:1023px){
  .section{padding:66px 0;}
  .page-hero{padding:72px 0 56px;}
  .page-hero h1{font-size:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px;}
  .contact-shell{padding:38px;}
  .case-feature-body{padding:30px;}
}
@media screen and (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:flex;
    flex-direction:column;
    background:#fff;
    padding:16px 20px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(8,61,42,.08);
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    gap:4px;
  }
  .site-nav.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;}
  .site-nav a{
    border-radius:10px;
    padding:14px 16px;
    font-size:16px;
    width:100%;
  }
  .site-nav a::after{display:none;}
  .site-nav a.active{background:#EAF3EC;}
  .header-inner{min-height:66px;}
  .header-cta .btn{padding:10px 16px;font-size:13px;}
}
@media screen and (max-width:767px){
  h1{font-size:32px;} 
  h2{font-size:28px;}
  h3{font-size:19px;}
  .page-hero h1{font-size:38px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:52px 0 38px;}
  .case-metrics{gap:16px;}
  .cap-media{min-height:260px;}
  .form-grid{grid-template-columns:1fr;}
  .form-group.full{grid-column:span 1;}
  .contact-shell{padding:24px;}
  .form-card{padding:24px;}
  .case-feature-body{padding:20px;}
  .section-head{margin-bottom:34px;}
  .advantages-section .row{margin:0;}
}
@media screen and (max-width:520px){
  .container-main{padding:0 16px;}
  .page-hero{padding:58px 0 48px;}
  .page-hero h1{font-size:33px;}
  .hero-lead{font-size:15px;}
  .page-hero .btn{padding:12px 18px;font-size:14px;}
  .header-cta{display:none;}
  .brand-name{font-size:18px;}
  .case-feature-image{min-height:210px;}
  .process-section{padding:62px 0;}
  .scope-card{padding:24px 20px;}
  .contact-points li{font-size:14px;}
}

/* roulang page: category2 */
:root {
  --green-950: #082e20;
  --green-900: #083D2A;
  --green-800: #0A4A33;
  --green-700: #176B46;
  --green-600: #218A5C;
  --green-100: #DFEFE5;
  --green-50: #F2F6F1;
  --amber: #F1B64A;
  --amber-dark: #DE9F2C;
  --bg-soft: #F4F7F3;
  --card-bg: #FFFFFF;
  --line: #E1EAE3;
  --line-strong: #C7D8CD;
  --text-1: #18231D;
  --text-2: #4E5C53;
  --text-3: #79857C;
  --white-90: rgba(255, 255, 255, .94);
  --shadow-sm: 0 2px 10px rgba(8, 61, 42, .06);
  --shadow-md: 0 10px 28px rgba(8, 61, 42, .1);
  --shadow-lg: 0 18px 44px rgba(8, 61, 42, .13);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --nav-h: 74px;
  --maxw: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-1);
  background: var(--bg-soft);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  border: 0;
  display: inline-block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: inherit;
}

ul,
ol {
  padding: 0;
  margin: 0;
}

p {
  margin: 0 0 16px;
}

.container-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn i {
  font-size: 15px;
}

.btn-amber {
  background: var(--amber);
  color: var(--green-950);
  box-shadow: 0 8px 20px rgba(241, 182, 74, .18);
}

.btn-amber:hover,
.btn-amber:focus-visible {
  background: #E6A83E;
  color: #071F16;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(241, 182, 74, .3);
}

.btn-line {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .66);
}

.btn-line:hover,
.btn-line:focus-visible {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-green {
  background: var(--green-900);
  color: #fff;
}

.btn-green:hover {
  background: var(--green-800);
  color: #fff;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 16px;
}

.text-link {
  color: var(--green-700);
  font-weight: 600;
  transition: color .2s ease;
}

.text-link:hover {
  color: var(--amber-dark);
}

.muted {
  color: var(--text-3);
}

.icon-fill-green {
  color: var(--green-700);
}

:focus-visible {
  outline: 3px solid rgba(241, 182, 74, .55);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===================== Header ===================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(8, 61, 42, .05);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: var(--nav-h);
  gap: 26px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  background: var(--green-900);
  border-radius: 12px;
  color: var(--amber);
  font-size: 18px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}

.brand-name {
  font-size: 20px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--green-900);
  font-family: "Arial", "PingFang SC", sans-serif;
}

.brand-name small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--green-700);
  margin-top: 4px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 14px;
  flex-wrap: wrap;
}

.site-nav a {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  transition: color .2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 3px;
  border-radius: 10px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--green-900);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.header-cta {
  margin-left: auto;
}

.header-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--amber);
  color: var(--green-950);
  font-size: 14px;
  font-weight: 700;
  padding: 11px 20px;
  border-radius: 11px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 6px 18px rgba(241, 182, 74, .2);
}

.header-cta a:hover {
  background: #E5A73C;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--green-900);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ===================== 分类 Hero ===================== */
.cat-hero {
  position: relative;
  color: #fff;
  padding: 84px 0 92px;
  overflow: hidden;
  background:
    linear-gradient(118deg, rgba(6, 30, 21, .96) 0%, rgba(8, 53, 35, .92) 45%, rgba(23, 96, 64, .78) 100%),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 54px 54px;
  pointer-events: none;
}

.cat-hero .container-main {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  padding: 0;
  margin: 0 0 42px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .78);
  transition: color .2s ease;
}

.breadcrumb a:hover {
  color: var(--amber);
}

.breadcrumb .sep {
  opacity: .5;
}

.breadcrumb .current {
  color: #fff;
  font-weight: 600;
}

.cat-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, .85fr);
  gap: 48px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .86);
  margin-bottom: 20px;
}

.hero-kicker i {
  color: var(--amber);
}

.cat-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 4vw, 56px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 800;
}

.cat-hero h1 .hero-kw {
  color: var(--amber);
  display: block;
  margin-top: 6px;
}

.cat-hero-copy p {
  color: rgba(255, 255, 255, .9);
  font-size: 16.5px;
  max-width: 680px;
  line-height: 1.85;
}

.cat-hero-copy .lead-text {
  font-size: 18px;
  color: rgba(255, 255, 255, .82);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-entry-card {
  background: var(--white-90);
  border-radius: 24px;
  padding: 30px;
  color: var(--text-1);
  box-shadow: 0 18px 42px rgba(4, 22, 15, .32);
}

.entry-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green-700);
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.entry-label i {
  color: var(--amber-dark);
}

.hero-entry-card h3 {
  font-size: 20px;
  line-height: 1.5;
  margin: 0 0 16px;
  color: var(--green-950);
}

.hero-entry-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.hero-entry-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 9px 0;
  font-size: 14.5px;
  color: var(--text-2);
  border-bottom: 1px solid var(--line);
}

.hero-entry-list li:last-child {
  border-bottom: 0;
}

.hero-entry-list i {
  color: var(--green-700);
  margin-top: 4px;
  flex: 0 0 auto;
}

/* ===================== 主内容双栏 ===================== */
.category-main-layout {
  padding: 88px 0 72px;
}

.main-article-cell {
  margin-bottom: 28px;
}

.guide-article {
  background: #fff;
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  padding: clamp(30px, 4vw, 54px);
}

.article-heading {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 3px;
  border-radius: 10px;
  background: var(--amber);
}

.article-heading h2 {
  font-size: clamp(26px, 2.8vw, 35px);
  line-height: 1.25;
  color: var(--green-950);
  margin: 0 0 14px;
}

.article-heading .lead-copy {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.9;
  margin-bottom: 0;
}

.media-frame {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin: 30px 0;
}

.media-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.text-rich {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-1);
}

.text-rich p {
  margin-bottom: 18px;
}

.text-rich strong {
  color: var(--green-950);
}

.sub-title {
  font-size: 22px;
  line-height: 1.4;
  color: var(--green-950);
  margin: 36px 0 12px;
  font-weight: 700;
}

.sub-title i {
  color: var(--green-700);
  margin-right: 6px;
}

.tip-note {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-left: 4px solid var(--amber);
  border-radius: 0 16px 16px 0;
  padding: 20px 24px;
  margin: 30px 0 26px;
}

.tip-note p:last-child {
  margin-bottom: 0;
}

.tip-note h4 {
  font-size: 15px;
  margin: 0 0 6px;
  color: var(--green-900);
}

.icon-checked {
  list-style: none;
  margin: 18px 0 24px;
}

.icon-checked li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  line-height: 1.75;
}

.icon-checked li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  text-align: center;
  color: var(--green-700);
  font-size: 13px;
  border-radius: 50%;
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* sidebar */
.sidebar-cell {
  margin-bottom: 30px;
}

.sidebar-stick {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.side-panel {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  border-radius: 20px;
  padding: 26px;
}

.side-panel .panel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 18px;
  margin-bottom: 14px;
}

.side-panel h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.5;
  color: var(--green-950);
}

.side-panel p {
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.8;
}

.side-meta-list {
  list-style: none;
  margin: 16px 0 20px;
}

.side-meta-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  font-size: 14px;
  color: var(--text-2);
  border-bottom: 1px dashed var(--line);
}

.side-meta-list li:last-child {
  border-bottom: 0;
}

.side-meta-list i {
  color: var(--amber-dark);
  margin-top: 4px;
  width: 18px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.side-link-list {
  list-style: none;
  margin: 6px 0 0;
}

.side-link-list li {
  border-bottom: 1px solid var(--line);
}

.side-link-list li:last-child {
  border-bottom: 0;
}

.side-link-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 4px;
  color: var(--green-900);
  font-weight: 600;
  font-size: 15px;
  transition: color .2s ease, padding-left .2s ease;
}

.side-link-list a i {
  color: var(--amber-dark);
  transition: transform .2s ease;
}

.side-link-list a:hover {
  color: var(--green-700);
  padding-left: 10px;
}

.side-link-list a:hover i {
  transform: translateX(4px);
}

.side-faq-summary {
  padding: 0;
  list-style: none;
}

.side-faq-summary li {
  background: var(--green-50);
  border-radius: 12px;
  padding: 10px 14px;
  margin: 8px 0;
  font-size: 14.5px;
  line-height: 1.6;
}

.side-faq-summary a {
  color: var(--green-900);
  font-weight: 600;
}

.side-faq-summary a:hover {
  color: var(--green-700);
}

/* ===================== 场景板块 ===================== */
.scene-section {
  background: #fff;
  padding: 96px 0;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .section-kicker {
  justify-content: center;
}

.section-head .section-kicker::before {
  display: none;
}

.section-head h2 {
  font-size: clamp(28px, 3vw, 37px);
  color: var(--green-950);
  line-height: 1.25;
  margin: 0 0 16px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.85;
  margin: 0;
}

.scene-grid {
  margin-top: 20px;
}

.scene-card {
  overflow: hidden;
  border-radius: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  transition: transform .25s ease, box-shadow .25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.scene-thumb {
  aspect-ratio: 3 / 2;
  width: 100%;
  overflow: hidden;
  background: var(--green-100);
}

.scene-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
  display: block;
}

.scene-card:hover .scene-thumb img {
  transform: scale(1.04);
}

.scene-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--green-700);
  background: var(--green-100);
  padding: 5px 12px;
  border-radius: 999px;
}

.scene-body {
  padding: 0 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.scene-body p {
  margin: 6px 0 0;
}

.scene-body h3 {
  margin: 12px 0 10px;
  font-size: 19px;
  color: var(--green-950);
  line-height: 1.45;
}

.scene-body .scene-desc {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  flex: 1;
}

.scene-link {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
}

.scene-link .fa-arrow-right {
  margin-left: 5px;
  transition: margin-left .2s ease;
}

.scene-link:hover .fa-arrow-right {
  margin-left: 10px;
}

/* ===================== 流程深色区 ===================== */
.process-dark {
  position: relative;
  padding: 96px 0;
  background:
    linear-gradient(125deg, rgba(6, 32, 21, .96) 0%, rgba(9, 53, 35, .92) 55%, rgba(23, 96, 64, .84) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover;
  color: #fff;
}

.process-dark .section-kicker {
  color: var(--amber);
  justify-content: center;
}

.process-dark .section-kicker::before {
  background: rgba(255, 255, 255, .64);
}

.process-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.process-head h2 {
  font-size: clamp(28px, 3vw, 37px);
  margin: 0 0 14px;
  color: #fff;
}

.process-head p {
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-step {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 18px;
  padding: 28px 24px;
  min-height: 230px;
  transition: background .25s ease, transform .25s ease;
}

.process-step:hover {
  background: rgba(255, 255, 255, .12);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--green-950);
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 20px;
}

.process-step h3 {
  font-size: 19px;
  margin: 0 0 10px;
}

.process-step p {
  color: rgba(255, 255, 255, .78);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
}

.process-cta {
  margin-top: 48px;
  text-align: center;
}

/* ===================== FAQ ===================== */
.faq-section {
  padding: 96px 0;
}

.faq-panel {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 14px;
  padding: 0 24px;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-shadow: 0 1px 4px rgba(8, 61, 42, .03);
}

.faq-item[open] {
  border-color: var(--green-100);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--green-950);
  transition: color .2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--green-700);
}

.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green-50);
  color: var(--green-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background .2s ease, color .2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--green-900);
  color: #fff;
}

.faq-item p {
  padding: 0 0 22px;
  color: var(--text-2);
  line-height: 1.85;
  font-size: 15.5px;
  margin: 0;
}

/* ===================== 联系与表单 ===================== */
.contact-section {
  padding: 96px 0 110px;
  background: linear-gradient(180deg, var(--bg-soft) 0%, #EAF1EC 100%);
}

.cta-card {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
  background: #fff;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--green-900), var(--green-700) 60%, var(--amber));
}

.cta-copy {
  padding: 52px 46px;
}

.cta-copy h2 {
  font-size: clamp(28px, 3vw, 38px);
  color: var(--green-950);
  line-height: 1.3;
  margin: 0 0 20px;
}

.cta-copy p {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.cta-contact-list {
  list-style: none;
  margin-top: 28px;
}

.cta-contact-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--text-2);
}

.cta-contact-list li i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 5px;
}

.cta-form {
  padding: 42px 38px 42px 0;
}

.form-box {
  background: var(--green-50);
  border-radius: 20px;
  padding: 28px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--green-950);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 11px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-1);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 4px rgba(23, 139, 86, .12);
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.form-submit {
  margin-top: 12px;
}

/* ===================== Footer ===================== */
.site-footer {
  background: var(--green-950);
  color: rgba(255, 255, 255, .78);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 44px;
}

.footer-grid .brand-logo .brand-mark {
  background: rgba(255, 255, 255, .08);
  color: var(--amber);
}

.footer-grid .brand-logo .brand-name {
  color: #fff;
}

.footer-grid .brand-logo .brand-name small {
  color: rgba(255, 255, 255, .62);
}

.footer-brand p {
  margin-top: 18px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
  line-height: 1.9;
  max-width: 310px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  margin: 4px 0 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .7);
  font-size: 14.5px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
  opacity: 0;
  transition: opacity .2s ease;
}

.footer-links a:hover {
  color: var(--amber);
  padding-left: 4px;
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.7;
}

.footer-contact i {
  color: var(--amber);
  margin-top: 4px;
  min-width: 18px;
}

.footer-bottom {
  margin-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  background: rgba(0, 0, 0, .18);
}

.footer-bottom .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255, 255, 255, .62);
  font-size: 13.5px;
  padding-top: 0;
  padding-bottom: 0;
}

/* ===================== Responsive ===================== */
@media (max-width: 1100px) {
  .site-nav {
    gap: 0;
    margin-left: 0;
  }

  .site-nav a {
    padding: 10px 10px;
    font-size: 14px;
  }

  .header-cta a {
    padding: 10px 16px;
    font-size: 13px;
  }

  .header-inner {
    gap: 16px;
  }
}

@media (max-width: 1023px) {
  .cat-hero-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .guide-article {
    padding: 30px;
  }

  .sidebar-cell {
    padding-left: 0;
    padding-right: 0;
  }

  .sidebar-stick {
    position: static;
  }

  .sidebar-cell .cell {
    width: 100%;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .cta-card {
    grid-template-columns: 1fr;
  }

  .cta-form {
    padding: 0 30px 34px;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    order: 3;
  }

  .header-cta {
    order: 4;
    margin-left: 4px;
  }

  .header-cta a {
    padding: 10px 14px;
    font-size: 13px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    z-index: 119;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(8, 61, 42, .1);
    padding: 14px 20px 22px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    display: block;
    padding: 13px 12px;
    font-size: 16px;
    border-radius: 10px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:hover,
  .site-nav a.active {
    background: var(--green-50);
    color: var(--green-900);
  }
}

@media (max-width: 767px) {
  .container-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .cat-hero {
    padding: 64px 0 70px;
  }

  .cat-hero h1 {
    font-size: 36px;
  }

  .breadcrumb {
    margin-bottom: 30px;
  }

  .hero-entry-card {
    padding: 22px;
  }

  .category-main-layout {
    padding-top: 60px;
  }

  .process-dark,
  .scene-section,
  .faq-section,
  .contact-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .cta-copy {
    padding: 40px 24px 20px;
  }

  .cta-form {
    padding: 0 16px 26px;
  }

  .form-box {
    padding: 20px;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 520px) {
  .brand-name {
    font-size: 17px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .main-header .header-inner {
    gap: 12px;
    min-height: 66px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .guide-article {
    padding: 24px 20px;
  }

  .article-heading h2 {
    font-size: 24px;
  }

  .faq-item {
    padding: 0 16px;
  }

  .cta-contact-list li {
    font-size: 14px;
  }
}