/* roulang page: index */
:root{
  --primary:#1E5A43;
  --primary-strong:#123A2B;
  --primary-soft:#E4EDE8;
  --accent:#E06E2E;
  --accent-hover:#C25A20;
  --bg-body:#F7F7F2;
  --surface:#FFFFFF;
  --text-main:#17221C;
  --text-muted:#63736B;
  --border:#DDDFDA;
  --shadow-sm:0 2px 10px rgba(18,38,27,.06);
  --shadow-md:0 12px 30px rgba(18,38,27,.08);
  --shadow-lg:0 22px 50px rgba(18,38,27,.12);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --font-stack:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--bg-body);color:var(--text-main);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,opacity .2s ease,transform .2s ease,box-shadow .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin-inline:auto;padding-inline:clamp(16px,3vw,24px)}
.section{padding:clamp(60px,8vw,100px) 0}
.section-head{margin-bottom:clamp(32px,5vw,56px)}
.section-head.center{text-align:center}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.06em;font-size:14px;margin-bottom:10px;text-transform:uppercase}
.section-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;line-height:1.3;color:var(--primary-strong);letter-spacing:-.02em}
.section-desc{margin-top:14px;color:var(--text-muted);max-width:760px}
.center .section-desc{margin-inline:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;font-weight:700;font-size:15px;border-radius:10px;line-height:1;transition:all .2s ease;white-space:nowrap}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(224,110,46,.22)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(194,90,32,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-dark{background:var(--primary-strong);color:#F2F6F3;box-shadow:0 8px 18px rgba(18,58,43,.18)}
.btn-dark:hover{background:#0c251c;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text-main);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(30,90,67,.04)}
.btn-light{background:#fff;color:var(--primary-strong);border:1px solid rgba(255,255,255,.4)}
.btn-light:hover{background:var(--primary-soft);color:var(--primary-strong)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:8px}
a:focus-visible,button:focus-visible{outline:3px solid rgba(224,110,46,.5);outline-offset:3px}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.grid-x{display:flex;flex-flow:row wrap}
.cell{padding:0 12px;max-width:100%}
@media screen and (min-width:64em){
  .cell.large-3{flex:0 0 25%;max-width:25%}
  .cell.large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .cell.large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .cell.large-6{flex:0 0 50%;max-width:50%}
  .cell.large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .cell.large-8{flex:0 0 66.6667%;max-width:66.6667%}
  .cell.medium-6{flex:0 0 50%;max-width:50%}
}
@media screen and (min-width:40em) and (max-width:63.98em){
  .cell.medium-4{flex:0 0 33.3333%;max-width:33.3333%}
  .cell.medium-6{flex:0 0 50%;max-width:50%}
  .cell.medium-12{max-width:100%}
}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(23,34,28,.06);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 20px rgba(18,38,27,.08)}
.header-top{border-bottom:1px solid rgba(221,223,218,.7)}
.header-top-inner{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:42px;height:42px;border-radius:11px;background:linear-gradient(145deg,var(--primary),var(--primary-strong));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;box-shadow:0 6px 14px rgba(18,58,43,.2)}
.brand-title{line-height:1;display:flex;flex-direction:column}
.brand-strong{font-size:20px;font-weight:900;color:var(--primary-strong);letter-spacing:-.02em;line-height:1.1}
.brand-sub{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.1em;margin-top:2px}
.header-actions{display:flex;align-items:center;gap:14px}
.header-search form{display:flex;align-items:center;background:var(--bg-body);border:1px solid var(--border);border-radius:999px;height:40px;padding:0 6px 0 15px;transition:border-color .2s,box-shadow .2s}
.header-search form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,90,67,.1)}
.header-search input{border:none;background:transparent;font-size:14px;width:170px;color:var(--text-main);outline:none}
.header-search input::placeholder{color:#95A299}
.header-search button{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s}
.header-search button:hover{background:var(--accent)}
.header-login-btn{display:inline-flex;align-items:center;gap:7px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;min-height:38px;padding:0 16px;border-radius:999px}
.header-login-btn:hover{background:var(--accent);color:#fff}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff}
.nav-toggle span{width:18px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.channel-bar{position:relative}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
.channel-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{white-space:nowrap;padding:7px 8px;font-size:15px;font-weight:700;color:var(--text-main);border-bottom:3px solid transparent;margin-right:2px}
.channel-nav a i{margin-right:5px;color:var(--muted);color:#99A69E}
.channel-nav a:hover{color:var(--primary)}
.channel-nav a.active{color:var(--primary);border-bottom-color:var(--accent)}
.channel-tags{display:flex;align-items:center;gap:8px;flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.channel-tags::-webkit-scrollbar{display:none}
.channel-tag-label{font-size:11px;color:var(--muted);color:#89968F;font-weight:700;padding:3px 7px;background:var(--border);border-radius:4px}
.channel-tags a{display:inline-flex;background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;white-space:nowrap}
.channel-tags a:hover{background:var(--primary);color:#fff}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .35s ease}
.mobile-menu.is-open{max-height:340px}
.mobile-menu-inner{padding:16px 20px;display:grid;gap:4px}
.mobile-menu a{display:flex;align-items:center;gap:10px;padding:11px 4px;font-weight:700;border-bottom:1px solid var(--border);color:var(--text-main)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.active{color:var(--accent)}
.hero{position:relative;overflow:hidden;background:var(--primary-strong);color:#fff}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;transform:scale(1.02)}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,38,27,.95) 0%,rgba(18,38,27,.72) 45%,rgba(18,38,27,.34) 100%)}
.hero-content{position:relative;z-index:2;padding-top:clamp(60px,8vh,110px);padding-bottom:clamp(60px,9vh,120px)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;color:#BED6C9;font-weight:600;font-size:13px;letter-spacing:.08em;padding:7px 14px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.08)}
.hero h1{font-size:clamp(34px,5.6vw,62px);line-height:1.18;font-weight:900;color:#fff;margin-top:20px;letter-spacing:-.02em;max-width:12em}
.hero h1 .brand-strong-text{color:#FFC59C}
.hero-desc{margin-top:20px;font-size:clamp(16px,1.8vw,19px);color:#D7E2DC;max-width:36em;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px}
.hero-tip{display:flex;align-items:center;gap:9px;color:#AFC8BB;font-size:14px;margin-top:28px;flex-wrap:wrap}
.hero-tip i{color:var(--accent)}
.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(14px);margin-top:clamp(24px,5vw,0)}
.hero-panel-head{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:18px}
.hero-panel-head i{color:var(--accent)}
.quick-entry{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 4px;color:#DCECF1;border-bottom:1px solid rgba(255,255,255,.14);font-size:15px;font-weight:600;transition:padding .2s,color .2s}
.quick-entry:last-child{border:0}
.quick-entry span{display:inline-flex;align-items:center;gap:9px}
.quick-entry span i{color:#F5B986;width:20px;text-align:center}
.quick-entry .fa-arrow-right{font-size:12px;opacity:.7}
.quick-entry:hover{color:#fff;padding-left:9px;padding-right:9px}
.hero-stats{display:flex;border-top:1px solid rgba(255,255,255,.14);margin-top:15px;padding-top:17px;gap:16px;flex-wrap:wrap}
.hero-stats span{font-size:12px;color:#AFC8BB;display:flex;align-items:center;gap:7px}
.hero-stats strong{color:#fff;font-size:18px;font-weight:900}
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feature-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:clamp(24px,3.5vw,38px);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.feature-card--wide{grid-column:span 7}
.feature-card--dark{grid-column:span 5;background:var(--primary-strong);color:#fff;border-color:var(--primary-strong)}
.feature-card--plain{grid-column:span 5}
.feature-card--signal{grid-column:span 7;background:linear-gradient(120deg,var(--primary-soft),#F5F1E8)}
.feature-card .icon{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:22px}
.feature-card--dark .icon{background:rgba(255,255,255,.14);color:#fff}
.feature-card--signal .icon{background:#fff}
.feature-card h3{font-size:22px;font-weight:900;line-height:1.4;margin-bottom:12px;color:var(--primary-strong)}
.feature-card--dark h3{color:#fff}
.feature-card p{color:var(--text-muted);font-size:15px}
.feature-card--dark p{color:#C6D5CF}
.feature-link{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:14px;color:var(--accent)}
.feature-link i{transition:transform .2s}
.feature-link:hover{color:var(--accent-hover)}
.feature-link:hover i{transform:translateX(4px)}
.scenario-row{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;align-items:center}
.scenario-row + .scenario-row{margin-top:60px}
.scenario-media{grid-column:span 6;order:1}
.scenario-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-lg);min-height:260px;max-height:420px;box-shadow:var(--shadow-md)}
.scenario-copy{grid-column:span 6;order:2;padding:20px 0}
.scenario-row--rev .scenario-media{order:2}
.scenario-row--rev .scenario-copy{order:1}
.scenario-copy h3{font-size:clamp(24px,2.5vw,32px);font-weight:900;color:var(--primary-strong);line-height:1.3;margin-top:6px;margin-bottom:14px}
.scenario-copy p{margin-bottom:14px;color:var(--text-muted)}
.scenario-points{list-style:none;margin:12px 0 20px;padding:0}
.scenario-points li{display:flex;gap:10px;margin-bottom:10px;color:var(--text-main);font-weight:500;font-size:15px}
.scenario-points i{color:var(--accent);margin-top:4px}
.latest-section{background:#FFF}
.latest-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.cms-lead-card{grid-column:span 7;background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:box-shadow .25s,transform .25s}
.cms-lead-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.cms-lead-card .lead-thumb{position:relative;min-height:220px;max-height:260px;overflow:hidden}
.cms-lead-card .lead-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.thumb-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,transparent 40%,rgba(20,45,34,.8))}
.lead-content{padding:24px}
.cms-badge,.cms-tag{display:inline-block;background:var(--primary);color:#fff;border-radius:6px;font-size:12px;font-weight:700;padding:3px 9px;margin-bottom:14px}
.cms-lead-card .lead-date{font-size:13px;color:var(--text-muted);float:right;margin-top:5px}
.cms-lead-card h3{font-size:clamp(19px,2vw,24px);line-height:1.5;font-weight:900;margin-bottom:8px}
.cms-lead-card h3 a{color:var(--text-main)}
.cms-lead-card h3 a:hover{color:var(--primary)}
.cms-lead-card .lead-summary{color:var(--text-muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.cms-list-wrap{grid-column:span 5;display:flex;flex-direction:column;gap:14px}
.cms-list-item{display:flex;gap:16px;background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px;transition:box-shadow .2s,transform .2s,background .2s}
.cms-list-item:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px);background:#fff}
.cms-list-item .mini-meta{flex:1;min-width:0}
.cms-list-item h4{font-size:15px;font-weight:800;line-height:1.4;margin-bottom:5px}
.cms-list-item h4 a{color:var(--text-main)}
.cms-list-item h4 a:hover{color:var(--primary)}
.cms-list-item .mini-summary{font-size:13px;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.cms-list-item .mini-byline{font-size:12px;color:#93A198;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.cms-list-item .num{font-size:13px;font-weight:800;color:var(--accent);background:var(--primary-soft);width:34px;height:34px;flex:0 0 34px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.cms-empty{grid-column:1/-1;background:var(--bg-body);border:1px dashed #C5C9C4;border-radius:var(--radius-lg);padding:70px 30px;text-align:center}
.cms-empty i{font-size:40px;color:#BFC9C2;margin-bottom:16px}
.cms-empty p{color:var(--text-muted)}
.proof-band{background:var(--primary-strong);color:#fff}
.proof-band .section-head h2{color:#FFF}
.proof-band .section-desc{color:#B8CBC1}
.proof-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.proof-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:28px;grid-column:span 3;transition:transform .2s,background .3s}
.proof-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.12)}
.proof-card .num{font-size:36px;font-weight:900;letter-spacing:-.03em;line-height:1.1}
.proof-card .num small{font-size:15px;color:#E7C9A9;font-weight:700;margin-left:3px}
.proof-card h3{font-size:15px;color:#D4E0DB;margin-top:8px;font-weight:700}
.proof-card p{font-size:13px;color:#9DB2A8;margin-top:4px;line-height:1.6}
.faq-list{max-width:840px;margin-inline:auto}
.acc-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;box-shadow:none;transition:box-shadow .2s}
.acc-item[open]{box-shadow:var(--shadow-sm);border-color:#C9D7CE}
.acc-item summary{list-style:none;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16px;font-weight:800;cursor:pointer;transition:color .2s}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary:hover{color:var(--primary)}
.acc-item summary .fa-solid{color:var(--accent);transition:transform .2s;flex-shrink:0}
.acc-item[open] summary .fa-solid{transform:rotate(45deg)}
.acc-content{padding:0 22px 20px;border-top:1px solid var(--border);margin:0 17px 0}
.acc-content p{color:var(--text-muted);font-size:15px;padding-top:17px}
.cta-section{position:relative;overflow:hidden}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center}
.cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,58,43,.96),rgba(18,58,43,.82) 60%,rgba(224,110,46,.55))}
.cta-wrap{position:relative;z-index:2;text-align:center;color:#fff;padding:clamp(52px,7vw,90px) 0}
.cta-wrap h2{font-size:clamp(26px,3.8vw,44px);font-weight:900;color:#fff;line-height:1.35;max-width:19em;margin:0 auto}
.cta-wrap p{color:#D5E2DC;max-width:36em;margin:16px auto 26px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.site-footer{background:var(--primary-strong);color:#CAD6D0;padding:clamp(50px,6vw,80px) 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand .brand-strong{color:#fff}
.footer-brand .brand-sub{color:#F0B98D}
.footer-brand .footer-desc{margin-top:14px;font-size:14px;line-height:1.8;max-width:36em}
.footer-col h3{color:#fff;font-size:16px;font-weight:800;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0}
.footer-col li{margin-bottom:7px}
.footer-col a{color:#B7CBC0;font-size:14px}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#92A99D}
.footer-bottom a{color:#92A99D}
.footer-bottom a:hover{color:#fff}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--border);box-shadow:0 -6px 24px rgba(18,38,27,.09);padding:10px 0}
.sticky-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-info{display:flex;align-items:center;gap:10px;min-width:0}
.sticky-info .dot{width:8px;height:8px;border-radius:50%;background:#52B788;box-shadow:0 0 0 4px rgba(82,183,136,.2);flex-shrink:0}
.sticky-info span{font-weight:800;font-size:14px;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-info small{color:var(--text-muted);font-size:12px;display:block}
.sticky-cta-actions{display:flex;gap:10px;flex-shrink:0}
body{padding-bottom:68px}
@media screen and (max-width:63.98em){
  .nav-toggle{display:inline-flex}
  .header-search{display:none}
  .header-login-btn{display:none}
  .channel-bar{display:none}
  .mobile-menu{display:block}
  body{padding-bottom:62px}
  .header-top-inner{min-height:60px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-card--wide,.feature-card--dark,.feature-card--signal{grid-column:span 2}
  .feature-card--plain{grid-column:span 2}
  .scenario-media,.scenario-copy{grid-column:span 12}
  .scenario-media img{min-height:220px;max-height:320px}
  .scenario-row--rev .scenario-media{order:1}
  .scenario-row--rev .scenario-copy{order:2}
  .cms-lead-card,.cms-list-wrap{grid-column:span 12}
  .proof-card{grid-column:span 6}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:39.98em){
  body{font-size:15.5px}
  .section{padding:50px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-card--wide,.feature-card--dark,.feature-card--signal,.feature-card--plain{grid-column:span 1}
  .feature-card--signal{background:linear-gradient(160deg,var(--primary-soft),#F7F2E7)}
  .scenario-media img{min-height:190px;max-height:280px}
  .hero-stats{gap:14px;flex-direction:column}
  .cms-list-item{flex-wrap:wrap}
  .cms-list-item .num{display:none}
  .proof-grid{grid-template-columns:1fr 1fr}
  .proof-card{padding:22px}
  .proof-card .num{font-size:27px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
  .sticky-cta{padding:8px 0}
  .sticky-cta .sticky-info small{display:none}
  .sticky-cta-actions{gap:8px}
  .sticky-cta .btn{padding:0 12px;min-height:40px;font-size:13px}
  body{padding-bottom:57px}
  .btn-group{width:100%}
  .hero-cta .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --primary:#1E5A43;
  --primary-strong:#123A2B;
  --primary-soft:#E4EDE8;
  --accent:#E06E2E;
  --accent-hover:#C25A20;
  --bg-body:#F7F7F2;
  --surface:#ffffff;
  --sand:#EDE6D8;
  --text-main:#17221C;
  --text-muted:#63736B;
  --border:#DDDFDA;
  --radius-md:10px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-sm:0 2px 10px rgba(18,58,43,.05);
  --shadow-md:0 10px 26px rgba(18,58,43,.10);
  --shadow-lg:0 20px 44px rgba(18,58,43,.14);
  --font-family:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,sans-serif;
  --container:1200px;
  --space-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-family);
  background:var(--bg-body);
  color:var(--text-main);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
ul,ol{padding-left:1.25rem;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
:focus-visible{outline:3px solid rgba(224,110,46,.55);outline-offset:3px;border-radius:6px;}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:10px;
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  border:1px solid transparent;
  transition:all .2s ease;
  user-select:none;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 14px rgba(224,110,46,.24);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,110,46,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text-main);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-dark{background:var(--primary-strong);color:#fff;}
.btn-dark:hover{background:#0d2a1f;color:#fff;}
.btn-light{background:var(--primary-soft);color:var(--primary);border:1px solid #cde0d4;}
.btn-light:hover{background:var(--primary);color:#fff;}

/* Site header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);}
.top-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;height:62px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary-strong),var(--primary));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:15px;
  letter-spacing:-.03em;
  box-shadow:0 6px 14px rgba(18,58,43,.18);
}
.brand-main .brand-title{display:flex;flex-direction:column;line-height:1.05;gap:2px;}
.brand-strong{font-size:20px;font-weight:900;letter-spacing:-.04em;color:var(--primary-strong);}
.brand-sub{font-size:12px;font-weight:600;color:var(--text-muted);letter-spacing:.06em;}
.header-actions{display:flex;align-items:center;gap:12px;}
.search-form{
  position:relative;
  width:224px;
}
.search-form input{
  width:100%;
  height:38px;
  border:1px solid var(--border);
  border-radius:999px;
  background:var(--bg-body);
  padding:0 40px 0 14px;
  font-size:14px;
  color:var(--text-main);
  outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-form input::placeholder{color:var(--text-muted);}
.search-form input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(30,90,67,.10);}
.search-btn{
  position:absolute;
  right:4px;
  top:50%;
  transform:translateY(-50%);
  width:32px;
  height:32px;
  border:none;
  background:transparent;
  color:var(--text-muted);
  cursor:pointer;
  border-radius:50%;
  font-size:14px;
  transition:.2s;
}
.search-btn:hover{color:var(--primary);background:var(--primary-soft);}
.header-login{
  height:38px;
  min-height:38px;
  padding:0 14px;
  font-size:14px;
}
.channel-nav{
  border-top:1px solid #eceeeb;
  background:rgba(255,255,255,.7);
}
.channel-list{
  display:flex;
  align-items:center;
  gap:5px;
  flex-wrap:nowrap;
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
  padding:6px 0;
  max-width:100%;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 13px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-main);
  transition:.2s;
  flex-shrink:0;
}
.channel-list a i{font-size:13px;color:var(--text-muted);transition:.2s;}
.channel-list a:hover{
  background:var(--primary-soft);
  color:var(--primary);
}
.channel-list a.active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 5px 12px rgba(30,90,67,.18);
}
.channel-list a.active i{color:#fff;}
.hot-keywords{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  padding-left:18px;
  flex-shrink:0;
}
.hot-keywords .hot-title{font-size:12px;color:var(--text-muted);padding-right:4px;}
.hot-keywords a{
  border-radius:999px;
  background:var(--sand);
  padding:5px 11px;
  font-size:12px;
  color:var(--primary-strong);
  border:1px solid transparent;
  transition:.25s;
}
.hot-keywords a:hover{border-color:var(--accent);color:var(--accent);background:#fff;}
.channel-nav-wrap{display:flex;align-items:center;gap:6px;}
.mobile-toggle{
  display:none;
  border:none;
  background:transparent;
  width:38px;
  height:38px;
  border-radius:10px;
  cursor:pointer;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  margin-left:auto;
}
.mobile-toggle span{
  width:17px;
  height:2px;
  background:var(--text-main);
  border-radius:2px;
  transition:.25s;
}
.mobile-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.mobile-toggle.is-active span:nth-child(2){opacity:0;}
.mobile-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-only-login{display:none;height:34px;min-height:34px;padding:0 10px;font-size:13px;border:1px solid var(--border);background:#fff;color:var(--primary);border-radius:8px;align-items:center;gap:6px;}

/* Article hero */
.post-hero{
  position:relative;
  background:
    radial-gradient(circle at 84% 20%, rgba(224,110,46,.10), transparent 26%),
    linear-gradient(135deg, #eef2eb, var(--sand));
  border-top:1px solid #e6e5de;
  border-bottom:1px solid var(--border);
  padding:52px 0 58px;
  overflow:hidden;
}
.post-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 24 24' fill='none' stroke='%231E5A43' stroke-opacity='0.07'%3E%3Cpath d='M4 20L12 4L20 20'/%3E%3Cpath d='M8 12H16'/%3E%3C/svg%3E");
  background-size:56px 56px;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:34px;
  position:relative;
  z-index:1;
}
.breadcrumb i{font-size:10px;color:#9aa9a1;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .current{color:var(--primary);font-weight:500;}
.post-hero h1{
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.24;
  letter-spacing:-.035em;
  font-weight:800;
  color:var(--primary-strong);
  max-width:920px;
  margin:0 0 22px;
  position:relative;
  z-index:1;
}
.hero-flash{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--primary);
  color:#fff;
  height:24px;
  padding:0 11px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  margin-bottom:20px;
  position:relative;
  z-index:1;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  color:var(--text-muted);
  font-size:14px;
  margin-bottom:4px;
  position:relative;
  z-index:1;
}
.article-meta a{color:var(--primary);font-weight:500;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--accent);font-size:14px;}

/* Content shell */
.post-content-wrap{padding:64px 0 90px;position:relative;}
.post-content-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:44px;
}
.post-paper{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:clamp(24px,4vw,56px);
  box-shadow:var(--shadow-sm);
}
.article-body{
  max-width:78ch;
  font-size:17px;
  color:var(--text-main);
  line-height:1.9;
}
.article-body p{margin-bottom:1.35em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,29px);
  font-weight:800;
  color:var(--primary-strong);
  line-height:1.4;
  margin:2em 0 .75em;
  padding-bottom:.35em;
  border-bottom:2px solid var(--primary-soft);
}
.article-body h3{
  font-size:clamp(19px,1.8vw,23px);
  font-weight:700;
  color:var(--primary);
  line-height:1.45;
  margin:1.6em 0 .6em;
}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.article-body img{border-radius:var(--radius-md);margin:1.8em 0;object-fit:cover;height:auto;box-shadow:var(--shadow-sm);}
.article-body ul,.article-body ol{margin:1em 0 1.6em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:1.8em 0;
  padding:18px 22px;
  background:var(--primary-soft);
  border-left:4px solid var(--primary);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--primary-strong);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.8em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  background:#fff;
  border-radius:var(--radius-md);
}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--border);text-align:left;}
.article-body th{background:var(--primary-strong);color:#fff;font-weight:600;}
.article-body code,.article-body pre{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  background:#f3f5f1;
  border:1px solid var(--border);
  border-radius:8px;
  font-size:14px;
}
.article-body code{padding:.2em .5em;}
.article-body pre{padding:16px;overflow-x:auto;line-height:1.6;margin:1.4em 0;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2.4em 0;}
.article-body>p:last-child{margin-bottom:0;}

.empty-detail{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  min-height:280px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:44px 24px;
  gap:14px;
  box-shadow:var(--shadow-sm);
}
.empty-detail .empty-icon{
  font-size:44px;
  color:#c7d4cb;
}
.empty-detail h2{
  font-size:22px;
  margin:0;
  color:var(--primary-strong);
}
.empty-detail p{color:var(--text-muted);margin:0 0 10px;}

/* Article footer chips */
.post-bottom-tools{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--border);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.post-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
  border:1px solid #d5e4db;
}
.back-category{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 13px;
  border-radius:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:rgba(255,255,255,.8);
  border:1px solid var(--border);
  transition:.2s;
}
.back-category:hover{color:var(--accent);border-color:var(--accent);}

/* Channel guide cards */
.guide-section{
  background:var(--primary-strong);
  padding:78px 0;
  position:relative;
  overflow:hidden;
}
.guide-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-opacity='0.03'%3E%3Cpath d='M3 20L12 4L21 20'/%3E%3Ccircle cx='12' cy='14' r='2'/%3E%3C/svg%3E");
  background-size:42px 42px;
  pointer-events:none;
}
.section-head{position:relative;z-index:1;margin-bottom:32px;}
.section-eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:99px;}
.guide-section .section-head h2{
  color:#fff;
  font-size:clamp(24px,2.8vw,36px);
  margin:0 0 12px;
  letter-spacing:-.02em;
  font-weight:800;
}
.guide-section .section-head p{color:#b8cec2;max-width:660px;margin:0;font-size:16px;}
.guide-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:#fff;
  display:flex;
  flex-direction:column;
  height:100%;
  min-height:360px;
  box-shadow:0 10px 24px rgba(0,0,0,.18);
  transition:transform .25s,box-shadow .25s;
}
.guide-card:hover{transform:translateY(-5px);box-shadow:0 24px 42px rgba(0,0,0,.24);}
.guide-img{height:178px;overflow:hidden;}
.guide-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.guide-card:hover .guide-img img{transform:scale(1.05);}
.guide-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.guide-tag{
  align-self:flex-start;
  background:var(--primary-soft);
  color:var(--primary);
  border-radius:999px;
  font-size:12px;
  padding:4px 12px;
  font-weight:600;
  margin-bottom:12px;
}
.guide-body h3{font-size:19px;margin:0 0 10px;color:var(--primary-strong);font-weight:800;}
.guide-body p{font-size:14px;color:var(--text-muted);line-height:1.7;flex-grow:1;margin:0 0 18px;}
.guide-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:600;
  color:var(--accent);
  font-size:14px;
}
.guide-link i{transition:transform .2s;}
.guide-link:hover i{transform:translateX(4px);}

/* site cta band */
.network-cta{
  background:linear-gradient(120deg,var(--primary-soft),#f7f2e8);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:56px 0;
}
.network-cta-box{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
}
.network-cta-box h2{font-size:clamp(21px,2.6vw,30px);margin:0 0 9px;color:var(--primary-strong);}
.network-cta-box p{margin:0;max-width:560px;color:var(--text-muted);font-size:15px;}
.network-cta .btn{flex-shrink:0;}

/* Footer */
.site-footer{
  background:var(--primary-strong);
  color:#c4d5ca;
}
.footer-top{
  padding:62px 0 44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1fr;
  gap:36px;
}
.footer-brand a.brand{
  margin-bottom:18px;
}
.footer-brand .brand strong{color:#fff;font-size:22px;}
.footer-brand .brand-sub{color:#9db8aa;}
.footer-brand .brand-icon{background:#fff;color:var(--primary-strong);}
.footer-desc{
  max-width:350px;
  color:#9db8aa;
  font-size:14px;
  line-height:1.75;
}
.footer-nav h3{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-nav ul{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:12px;
}
.footer-nav a{
  color:#c4d5ca;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-nav a::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
  opacity:.4;
  transition:opacity .2s;
}
.footer-nav a:hover{color:#fff;}
.footer-nav a:hover::before{opacity:1;}
.footer-nav i{color:#d6dfd9;width:20px;font-size:13px;}
.footer-nav .muted-line{font-size:13px;color:#8caa9c;display:inline-flex;align-items:center;gap:8px;line-height:1.6;}
.footer-bottom{
  padding:22px 0;
  font-size:13px;
  color:#87a294;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}
.footer-bottom a{color:#aec8b9;}
.footer-bottom a:hover{color:#fff;}

/* Bottom convert bar */
.quick-convert{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 30px rgba(0,0,0,.07);
  backdrop-filter:blur(12px);
  transform:translateY(0);
  transition:transform .3s ease;
}
.quick-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:66px;
  padding:10px 0;
}
.quick-brandline{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-muted);
}
.quick-brandline strong{color:var(--primary-strong);font-weight:800;font-size:16px;display:block;line-height:1.2;}
.quick-actions{display:flex;gap:10px;align-items:center;}
.btn-sm{min-height:38px;height:38px;padding:0 16px;font-size:13px;border-radius:8px;}

/* Utilities */
.section-mb{margin-bottom:30px;}
body{padding-bottom:74px;}

/* Responsive */
@media (max-width:1024px){
  .hot-keywords{display:none;}
  .footer-grid{
    grid-template-columns:1fr .7fr .7fr;
  }
  .footer-brand{grid-column:1 / -1;}
  .footer-desc{max-width:420px;}
  .top-bar{height:56px;}
  .channel-list a{padding:7px 10px;font-size:13px;}
}
@media (max-width:767px){
  :root{--space-section:64px;}
  .container{padding:0 16px;}
  .header-search{display:none;}
  .mobile-toggle{display:inline-flex;}
  .header-login{display:none;}
  .mobile-only-login{display:inline-flex;margin-left:0;}
  .channel-nav{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
    border-top-color:transparent;
  }
  .channel-nav.is-open{
    max-height:340px;
    border-top-color:var(--border);
    box-shadow:0 18px 30px rgba(18,58,43,.08);
  }
  .channel-list{
    flex-direction:column;
    padding:10px 0 16px;
    overflow:visible;
    gap:2px;
    align-items:stretch;
  }
  .channel-list a{
    padding:11px 14px;
    border-radius:10px;
    font-size:14px;
  }
  .mobile-actions-row{display:flex;align-items:center;gap:6px;}
  .post-hero{padding:34px 0 42px;}
  .post-content-wrap{padding:46px 0 64px;}
  .post-paper{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .network-cta-box{flex-direction:column;align-items:flex-start;}
  .quick-brandline{display:none;}
  .quick-bar{justify-content:flex-end;}
  .quick-actions{width:100%;}
  .quick-actions .btn-sm{flex:1;}
  .footer-bottom{flex-direction:column;}
  .footer-bottom div{white-space:normal;}
  .footer-bottom .domain-line{white-space:nowrap;}
}
@media (min-width:640px) and (max-width:1023px){
  .mobile-only-login{display:none;}
  .header-login{display:inline-flex;}
  .quick-brandline{display:none;}
}

/* roulang page: category2 */
:root {
  --primary: #1E5A43;
  --primary-strong: #123A2B;
  --primary-soft: #E4EDE8;
  --accent: #E06E2E;
  --accent-hover: #C25A20;
  --bg-body: #F7F7F2;
  --surface: #FFFFFF;
  --text-main: #17221C;
  --text-muted: #63736B;
  --border: #DDDFDA;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 8px rgba(18,42,33,.06);
  --shadow-md: 0 8px 22px rgba(18,42,33,.08);
  --shadow-lg: 0 14px 30px rgba(0,0,0,.08);
  --font-stack: "PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --space-section: 88px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--bg-body);color:var(--text-main);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;object-fit:cover}
a{text-decoration:none;color:var(--primary)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1200px;padding:0 24px}

.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(18,42,33,.03)}
.top-row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;max-width:1200px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.5px}
.brand-title{display:flex;flex-direction:column;line-height:1.2}
.brand-strong{font-size:19px;font-weight:800;color:var(--primary-strong);letter-spacing:.4px}
.brand-sub{font-size:11px;color:var(--text-muted);letter-spacing:.6px;font-weight:500}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-btn{width:38px;height:38px;border:1px solid var(--border);border-radius:8px;background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:pointer;transition:all .2s}
.search-btn:hover{border-color:var(--primary);color:var(--primary)}
.cta-login{height:38px;padding:0 18px;background:var(--accent);color:#fff;border-radius:8px;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;border:0;cursor:pointer;transition:all .2s}
.cta-login:hover{background:var(--accent-hover);transform:translateY(-1px);color:#fff;box-shadow:var(--shadow-sm)}
.channel-nav{background:var(--surface);border-bottom:1px solid var(--border)}
.channel-nav .container{display:flex;flex-wrap:wrap;gap:6px;min-height:46px;align-items:center;justify-content:space-between}
.nav-links{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.channel-nav a.nav-item{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--text-main);padding:8px 14px;border-radius:7px;transition:all .2s;position:relative}
.channel-nav a.nav-item:hover{color:var(--primary);background:var(--primary-soft)}
.channel-nav a.nav-item.active{color:var(--primary);font-weight:700}
.channel-nav a.nav-item.active::after{content:'';position:absolute;bottom:2px;left:14px;right:14px;height:2px;background:var(--primary);border-radius:2px}
.trend-pills{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.trend-pills span{padding:4px 12px;background:var(--primary-soft);border-radius:20px;font-size:12px;white-space:nowrap;color:var(--primary-strong);font-weight:500;cursor:default}

.hero-band{background:linear-gradient(135deg,var(--primary-strong),var(--primary));position:relative;overflow:hidden;padding:72px 0 72px}
.hero-band::before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:url('/assets/images/backpic/back-1.png') right center/cover no-repeat;opacity:.2}
.hero-band::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(120deg,rgba(18,42,33,.96),rgba(18,42,33,.75) 40%,rgba(18,42,33,.3))}
.hero-inner{position:relative;z-index:2}
.hero-band .container{position:relative;z-index:2}
.hero-kicker{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#E4EDE8;padding:5px 16px;border-radius:20px;font-size:13px;font-weight:500;letter-spacing:.8px}
.hero-band h1{padding:0;margin:0;font-size:clamp(34px,5vw,54px);font-weight:900;color:#fff;line-height:1.15;margin-top:20px;max-width:820px}
.hero-band .hero-desc{color:#dce7e1;font-size:17px;margin-top:18px;max-width:640px;line-height:1.75}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn-accent,.btn-ghost{height:46px;padding:0 24px;border-radius:9px;font-size:15px;display:inline-flex;align-items:center;gap:8px;font-weight:600;transition:all .2s}
.btn-accent{background:var(--accent);color:#fff;border:0}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 18px rgba(224,110,46,.3);color:#fff}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}
.hero-meta{display:flex;flex-wrap:wrap;gap:6px 22px;color:#c1ddd0;font-size:14px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.15)}
.hero-meta i{margin-right:5px;color:#f0b483}

.crumb-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:0}
.crumb-list a{color:var(--text-muted);transition:color .2s}
.crumb-list a:hover{color:var(--primary)}
.crumb-list .sep{color:#a9b4ad;font-size:12px}

.section-block{padding:var(--space-section) 0}
.section-header{max-width:920px;margin-bottom:40px}
.section-mark{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);padding:4px 14px;border-radius:16px;font-size:13px;font-weight:600;letter-spacing:.4px}
.section-header h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.3;margin-top:14px;color:var(--text-main);letter-spacing:.2px}
.section-header .section-desc{font-size:16px;line-height:1.75;color:var(--text-muted);margin-top:12px}
.section-header.align-center{text-align:center;margin-left:auto;margin-right:auto}
.section-header .center-mark{display:inline-flex}

.lead-visual{display:flex;gap:0;align-items:center;border-radius:var(--radius-lg);overflow:hidden}
.lead-visual .visual-media{flex:0 0 55%;max-height:460px}
.lead-visual .visual-media img{width:100%;height:100%;min-height:320px;max-height:460px}
.lead-body{padding:40px 44px;background:var(--surface);border:1px solid var(--border);border-left:0}
.lead-body .lead-tag{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:18px;margin-bottom:14px}
.lead-body ul.lead-points{list-style:none;padding:0;margin:20px 0 0}
.lead-body ul.lead-points li{display:flex;gap:10px;margin-bottom:14px;font-size:15px;color:var(--text-main)}
.lead-body ul.lead-points li i{color:var(--accent);margin-top:5px;font-size:14px;flex-shrink:0}

.bento-grid{display:grid;grid-template-columns:1fr 1fr 1.4fr 1fr;gap:20px}
.bento-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:all .25s;position:relative;overflow:hidden}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.bento-card .bento-number{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:1px}
.bento-card h3{font-size:19px;margin-top:8px;margin-bottom:10px;color:var(--text-main);font-weight:700}
.bento-card p{color:var(--text-muted);font-size:14px;line-height:1.7}
.bento-feature{background:var(--primary);border-color:var(--primary)}
.bento-feature h3,.bento-feature p{color:#fff}
.bento-feature .bento-number{color:#ffcdaa}
.bento-feature p{color:#dce7e1}
.bento-card ul.skill-list{margin:14px 0 0;display:flex;flex-direction:column;gap:8px}
.bento-card ul.skill-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff}
.bento-card ul.skill-list li i{color:#ffcdaa;font-size:13px}
.bento-card.bento-pattern::before{content:"";position:absolute;top:-32px;right:-32px;width:100px;height:100px;background:var(--primary-soft);border-radius:32px;transform:rotate(45deg);opacity:.4}
.bento-card .bento-link{display:inline-block;font-size:14px;font-weight:600;margin-top:16px;color:var(--primary)}
.bento-feature .bento-link{color:#ffcdaa}
.bento-card .bento-link i{transition:margin-left .2s;margin-left:3px}
.bento-card:hover .bento-link i{margin-left:7px}
.bento-card.span-2{grid-column:span 2}
.bento-card.span-3{grid-column:span 3}

.two-col-list{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:start}
.guide-list{display:flex;flex-direction:column;gap:0}
.guide-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}
.guide-item:last-child{border-bottom:0}
.guide-index{flex:0 0 38px;width:38px;height:38px;background:var(--primary-soft);color:var(--primary);font-weight:700;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px}
.guide-content h3{font-size:17px;font-weight:700;margin-bottom:6px}
.guide-content p{font-size:14px;color:var(--text-muted)}
.guide-meta{color:var(--text-muted);font-size:13px;display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.side-panel{background:var(--primary-strong);border-radius:var(--radius-lg);padding:26px;height:100%;margin:0;display:flex;flex-direction:column}
.side-panel h3{color:#fff;font-size:17px;margin-bottom:14px}
.side-panel ul{margin:0;display:flex;flex-direction:column;gap:12px}
.side-panel ul li a{color:#dce7e1;font-size:14px;transition:all .2s;display:flex;align-items:center;gap:7px}
.side-panel ul li a i{font-size:13px;color:#f0b483;width:14px}
.side-panel ul li a:hover{color:#fff}
.material-badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);padding:9px 14px;border-radius:8px;margin-top:10px;font-size:13px;line-height:1.5}
.material-badge strong{color:#ffcdaa;font-weight:600;display:block}

.metric-band{background:var(--primary-strong);padding:60px 0;color:#fff}
.metric-band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.metric-card{text-align:center;padding:26px 16px}
.metric-card .number{font-size:28px;font-weight:800}
.metric-card .label{font-size:15px;color:#dce7e1;margin-top:6px;font-weight:400}
.metric-card .info{font-size:13px;color:#a9cbb8;margin-top:2px}
.metric-card + .metric-card{border-left:1px solid rgba(255,255,255,.18)}

.gear-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
.gear-card{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;margin-bottom:0}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.gear-img{height:180px;overflow:hidden;position:relative}
.gear-img img{width:100%;height:100%;transition:transform .35s}
.gear-card:hover .gear-img img{transform:scale(1.04)}
.gear-img .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.9);color:var(--primary-strong);font-size:12px;padding:3px 10px;border-radius:16px;font-weight:600;backdrop-filter:blur(2px)}
.gear-body{padding:20px 20px 16px;display:flex;flex-direction:column;flex:1}
.gear-cat{font-size:13px;color:var(--accent);font-weight:600;display:flex;align-items:center;gap:5px}
.gear-body h3{font-size:17px;font-weight:700;margin:8px 0 6px}
.gear-body p{font-size:14px;color:var(--text-muted);line-height:1.65;flex:1}

.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{margin-bottom:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:border .2s}
.faq-item details{display:block}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;list-style:none;transition:background .2s;background:var(--faq-bg,var(--surface));gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#f4f7f4}
.faq-item[open]{border-color:var(--primary)}
.faq-item[open] summary{background:var(--surface);color:var(--primary)}
.faq-item .faq-icon{color:var(--text-muted);font-size:14px;flex-shrink:0;transition:transform .25s;display:inline-flex}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--accent)}
.faq-body{padding:0 22px 22px;color:var(--text-muted);font-size:15px;line-height:1.8}
.faq-body p{margin-top:4px}

.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-strong) 70%);position:relative;overflow:hidden;padding:72px 0}
.cta-section::before{content:'';position:absolute;right:-20px;top:0;bottom:0;width:48%;background:url('/assets/images/backpic/back-3.png') left center/cover no-repeat;opacity:.12;transform:skewX(-12deg)}
.cta-wrap{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-wrap h2{font-size:clamp(26px,4vw,38px);color:#fff;font-weight:800;line-height:1.3}
.lead-sub{color:#dce7e1;font-size:16px;margin:18px 0 30px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

.site-footer{background:#0d2d21;color:#9bb8aa;padding:48px 0 0;margin-bottom:64px}
.site-footer .container{max-width:1200px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:20px 0 28px}
.footer-brand .brand{flex-wrap:nowrap;display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand .brand-icon{width:32px;height:32px;font-size:13px;background:var(--primary-soft);color:var(--primary-strong);border-radius:7px;display:flex;align-items:center;justify-content:center;font-weight:800}
.footer-brand .brand-title{flex-direction:column;line-height:1.2}
.footer-desc{font-size:14px;line-height:1.7;color:#91ad9e;max-width:360px;margin-top:12px}
.site-footer .footer-col h3{color:#e8f1ec;font-size:15px;margin-bottom:10px}
.site-footer .footer-col p,.site-footer .footer-col li{font-size:14px;line-height:1.75;color:#91ad9e}
.site-footer .footer-col li{margin:3px 0}
.site-footer .footer-col ul{display:flex;flex-direction:column;gap:3px;list-style:none;padding:0;margin:0;}
.footer-col a{color:#9cbead;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col a.active{color:#fff;font-weight:600}
.footer-bottom .custom-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 22px;font-size:14px;color:#7f998c}

.fix-bar{position:fixed;bottom:0;left:0;right:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--border);box-shadow:0 -4px 16px rgba(0,0,0,.04);display:flex;justify-content:center}
.fix-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 20px;width:100%;max-width:1200px}
.fix-bar .tip{font-size:14px;color:var(--text-main);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fix-bar .tip i{color:var(--primary);margin-right:7px}
.fix-actions{display:flex;gap:8px}
.fix-actions .bar-link{height:40px;padding:0 18px;border-radius:6px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
.bar-link.contact{color:var(--primary);border:1px solid var(--border);background:#fff}
.bar-link.contact:hover{border-color:var(--primary)}
.bar-link.enter{background:var(--primary);color:#fff}
.bar-link.enter:hover{background:var(--accent);color:#fff}

.mobile-menu-btn{display:none;width:38px;height:38px;background:transparent;border:1px solid var(--border);border-radius:8px;cursor:pointer}
.mobile-actions{display:flex;align-items:center;gap:8px;margin-left:auto}

input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

@media(max-width:1024px){
  .bento-grid{grid-template-columns:1fr 1fr}
  .bento-card.span-3{grid-column:span 2}
  .two-col-list{grid-template-columns:1fr}
  .gear-row{grid-template-columns:1fr 1fr;gap:16px}
  .top-row{height:auto;min-height:56px;flex-wrap:wrap;padding:8px 16px}
  .top-actions{gap:8px}
  .fix-bar-inner{padding:12px 16px}
  .fix-bar .tip{font-size:13px}
  .trend-pills span:nth-child(2){display:none}
}
@media(max-width:768px){
  :root{--space-section:58px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .site-footer .container{padding:0 20px}
  .footer-col:last-child{display:none}
}
@media(max-width:640px){
  body{font-size:15px}
  .container{padding:0 20px}
  .top-row{flex-wrap:nowrap;padding:8px 16px}
  .brand-strong{font-size:17px}
  .brand-icon{width:32px;height:32px;font-size:14px}
  .nav-links {gap:0}
  .channel-nav .container{padding:0 10px}
  .channel-nav a.nav-item{padding:6px 9px;font-size:13px;gap:4px}
  .channel-nav a.nav-item .fa-house,.channel-nav a.nav-item .hide-text-mo{display:none}
  .trend-pills{display:none}
  .mobile-menu-btn{display:flex!important;align-items:center}
  .fix-actions{display:flex}
  .fix-bar .tip{max-width:46%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fix-actions .bar-link{padding:0 14px;height:38px;font-size:13px}
  .hero-band{padding:52px 0 42px}
  .hero-band .container{padding:0 20px}
  .hero-band h1{font-size:32px}
  .hero-meta{font-size:12px;gap:4px 14px}
  .cta-login span{display:none}
  .footnote{background:#f4f4f0;padding:4px 10px;font-size:13px}
  .metric-band{display:none}
  .section-header{padding:0 6px;margin-bottom:30px}
  .section-block{padding:56px 0}
  .section-block .grid-container{padding:0 20px}
}
.fix-bar{position:fixed;bottom:0;left:0;right:0;height:64px}
body{padding-bottom:64px}
@media(max-width:640px){
  body{padding-bottom:102px}
}
.footnote{bottom:86px;padding:4px 12px;font-size:13px;z-index:99}
.footnote-hidden{display:none}

/* roulang page: category1 */
:root {
      --primary: #1E5A43;
      --primary-strong: #123A2B;
      --primary-soft: #E4EDE8;
      --accent: #E06E2E;
      --accent-hover: #C25A20;
      --bg-body: #F7F7F2;
      --surface: #FFFFFF;
      --text-main: #17221C;
      --text-muted: #63736B;
      --border: #DDDFDA;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 1px 3px rgba(18, 58, 43, .06);
      --shadow-md: 0 8px 24px rgba(18, 58, 43, .08);
      --shadow-lg: 0 16px 40px rgba(18, 58, 43, .12);
      --space-section: clamp(64px, 8vw, 100px);
      --content-w: 1200px;
    }

    *,
    *::before,
    *::after { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      padding-bottom: 74px;
      background: var(--bg-body);
      color: var(--text-main);
      font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    img, video { max-width: 100%; height: auto; display: block; object-fit: cover; }
    a { text-decoration: none; color: inherit; transition: color .2s ease; }
    ul { list-style: none; margin: 0; padding: 0; }
    button, input, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; }
    input:focus, button:focus, a:focus { outline: none; }
    a:focus-visible, button:focus-visible {
      outline: 3px solid rgba(224, 110, 46, .5);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .container {
      width: 100%;
      max-width: var(--content-w);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .grid-x, .grid-margin-x { row-gap: 24px; }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 15px;
      line-height: 1;
      gap: 8px;
      border: 1px solid transparent;
      transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 8px 18px rgba(224, 110, 46, .2);
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 22px rgba(224, 110, 46, .28);
    }

    .btn-outline {
      background: rgba(255, 255, 255, .08);
      color: #fff;
      border-color: rgba(255, 255, 255, .52);
    }
    .btn-outline:hover {
      color: #fff;
      border-color: #fff;
      background: rgba(255, 255, 255, .15);
      transform: translateY(-2px);
    }

    .btn-light {
      background: #fff;
      color: var(--primary-strong);
      border-color: #fff;
    }
    .btn-light:hover {
      background: var(--primary-soft);
      color: var(--primary-strong);
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }
    .btn-ghost:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; border-radius: 7px; }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 120;
      background: rgba(255, 255, 255, .94);
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow .25s ease;
    }

    .site-header.is-scrolled {
      box-shadow: 0 8px 24px rgba(18, 58, 43, .07);
    }

    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 12px;
      padding-bottom: 12px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-icon {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      font-weight: 900;
      letter-spacing: .03em;
      border-radius: 11px;
      box-shadow: 0 4px 10px rgba(30, 90, 67, .18);
    }

    .brand-title { display: flex; flex-direction: column; line-height: 1.05; }
    .brand-strong {
      font-size: 21px;
      font-weight: 900;
      color: var(--primary-strong);
      letter-spacing: .01em;
    }
    .brand-sub {
      font-size: 12px;
      color: var(--text-muted);
      letter-spacing: .12em;
      margin-top: 2px;
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-mini {
      display: none;
      align-items: center;
      background: var(--bg-body);
      border: 1px solid var(--border);
      border-radius: 999px;
      min-height: 38px;
      padding: 0 14px;
      gap: 8px;
      color: var(--text-muted);
    }
    .search-mini i { font-size: 14px; }
    .search-mini input {
      border: none;
      background: transparent;
      min-width: 150px;
      color: var(--text-main);
      font-size: 14px;
      outline: none;
    }
    .search-mini input::placeholder { color: var(--text-muted); opacity: .7; }

    .menu-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--primary);
      font-size: 20px;
      transition: background .2s;
    }
    .menu-toggle:hover { background: var(--primary-soft); }

    .nav-bottom {
      border-top: 1px solid var(--border);
      background: rgba(255, 255, 255, .96);
      transition: max-height .3s ease, opacity .3s ease;
    }

    .nav-wrap-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 48px;
    }

    .channel-nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 4px;
    }

    .channel-nav a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 14px;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 600;
      border-bottom: 3px solid transparent;
      border-radius: 0;
      white-space: nowrap;
      transition: color .2s ease, border-color .2s ease, background .2s ease;
    }

    .channel-nav a i { color: var(--primary); font-size: 14px; }

    .channel-nav a:hover {
      color: var(--primary);
      border-bottom-color: var(--accent);
      background: rgba(30, 90, 67, .05);
    }

    .channel-nav a.active {
      color: var(--primary);
      font-weight: 800;
      border-bottom-color: var(--accent);
    }

    .hot-pills {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-muted);
      font-size: 13px;
      white-space: nowrap;
    }

    .hot-pills a {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 12px;
      background: var(--bg-body);
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: 12px;
      color: var(--text-main);
      transition: all .2s ease;
    }

    .hot-pills a:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #fff;
    }

    /* Page hero */
    .page-hero {
      position: relative;
      isolation: isolate;
      padding: clamp(56px, 8vw, 88px) 0 clamp(48px, 6vw, 72px);
      color: #fff;
      overflow: hidden;
    }

    .category-hero {
      background:
        linear-gradient(118deg, rgba(18, 58, 43, .96) 0%, rgba(30, 90, 67, .92) 48%, rgba(46, 102, 78, .84) 100%),
        url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    }

    .category-hero::after {
      content: '';
      position: absolute;
      right: -80px;
      bottom: -120px;
      width: 320px;
      height: 320px;
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 38% 62% 61% 39% / 43% 36% 64% 57%;
      transform: rotate(20deg);
      z-index: -1;
    }

    .page-hero .grid-x { align-items: center; }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border: 1px solid rgba(255, 255, 255, .22);
      background: rgba(255, 255, 255, .12);
      border-radius: 999px;
      font-size: 13px;
      letter-spacing: .08em;
      color: rgba(255, 255, 255, .92);
      margin-bottom: 22px;
    }

    .category-hero h1 {
      margin: 0 0 18px;
      font-size: clamp(40px, 5.6vw, 64px);
      line-height: 1.12;
      color: #fff;
      font-weight: 900;
      letter-spacing: .01em;
      max-width: 680px;
    }

    .hero-desc {
      font-size: clamp(16px, 1.5vw, 19px);
      line-height: 1.75;
      color: rgba(255, 255, 255, .88);
      max-width: 670px;
      margin-bottom: 30px;
    }

    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

    .hero-side-card {
      position: relative;
      background: rgba(255, 255, 255, .11);
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: var(--radius-lg);
      padding: clamp(22px, 3vw, 34px);
      backdrop-filter: blur(6px);
      box-shadow: 0 16px 40px rgba(0, 0, 0, .14);
    }

    .hero-side-label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 800;
      font-size: 16px;
      color: #fff;
      margin-bottom: 16px;
    }

    .hero-side-label i { color: var(--accent); }

    .hero-side-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 12px 0;
      border-top: 1px solid rgba(255, 255, 255, .14);
      color: rgba(255, 255, 255, .92);
      font-size: 15px;
    }

    .hero-side-list li strong { display: block; font-weight: 700; color: #fff; }

    .hero-side-num {
      font-size: 12px;
      font-weight: 800;
      color: var(--accent);
      margin-top: 3px;
    }

    /* Section base */
    .section {
      padding: var(--space-section) 0;
    }

    .section-alt { background: #fff; }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 13px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .06em;
      margin-bottom: 14px;
    }

    .section-title {
      margin: 0 0 16px;
      font-size: clamp(28px, 3.4vw, 44px);
      line-height: 1.25;
      color: var(--primary-strong);
      font-weight: 900;
      letter-spacing: -0.01em;
    }

    .section-sub {
      margin: 0 auto;
      font-size: 17px;
      line-height: 1.8;
      color: var(--text-muted);
    }

    .section-head {
      max-width: 720px;
      margin-bottom: clamp(34px, 5vw, 58px);
    }

    .section-head.center { text-align: center; margin-left: auto; margin-right: auto; }

    .section-head.center .section-tag { background: rgba(224, 110, 46, .1); color: var(--accent); }

    /* Detail row */
    .detail-split { margin-bottom: clamp(40px, 6vw, 64px); }

    .detail-split:last-child { margin-bottom: 0; }

    .figure-frame {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .figure-frame img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .figure-frame:hover img { transform: scale(1.03); }

    .figure-badge {
      position: absolute;
      left: 18px;
      bottom: 18px;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .92);
      color: var(--primary-strong);
      font-weight: 800;
      font-size: 13px;
      padding: 8px 15px;
      border-radius: 999px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, .12);
    }

    .detail-copy h2 {
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.3;
      margin: 4px 0 16px;
      color: var(--primary-strong);
      font-weight: 900;
    }

    .detail-copy p {
      color: #44534c;
      font-size: 16px;
      margin: 0 0 16px;
    }

    .mark-list li {
      position: relative;
      padding-left: 26px;
      margin-bottom: 9px;
      color: var(--text-main);
    }

    .mark-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 0;
      color: var(--accent);
      font-size: 14px;
    }

    .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 13px;
      border: 1px solid var(--border);
      background: var(--bg-body);
      border-radius: 999px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      transition: all .2s ease;
    }

    .chip:hover,
    .chip:focus {
      border-color: var(--primary);
      background: #fff;
    }

    .fabric-callout {
      margin-top: 22px;
      padding: 18px 20px;
      border-left: 4px solid var(--accent);
      background: var(--bg-body);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: #3f5149;
    }

    .fabric-callout strong { color: var(--primary); display: block; margin-bottom: 4px; }

    .fabric-callout a { color: var(--accent); font-weight: 700; }

    /* Channel route */
    .route-banner {
      background: var(--primary);
      padding: 28px 0;
      color: #fff;
    }

    .route-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 18px;
      justify-content: space-between;
    }

    .route-left {
      display: flex;
      align-items: center;
      gap: 18px;
      font-size: 16px;
      color: rgba(255, 255, 255, .9);
    }

    .route-left i {
      width: 50px;
      height: 50px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: rgba(255, 255, 255, .13);
      color: #fff;
      font-size: 20px;
    }

    .route-left strong { color: #fff; display: block; font-size: 18px; margin-bottom: 4px; }

    .route-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .route-pills a {
      min-height: 30px;
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 999px;
      padding: 0 16px;
      display: inline-flex;
      align-items: center;
      background: rgba(255, 255, 255, .1);
      color: #fff;
      font-size: 13px;
      font-weight: 700;
    }

    .route-pills a:hover { background: rgba(255, 255, 255, .2); }

    .route-pills .current { background: #fff; color: var(--primary); }

    /* Overview mixed cards */
    .overview-grid .o-card {
      height: 100%;
      border-radius: var(--radius-lg);
      padding: clamp(24px, 3vw, 34px);
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .overview-grid .o-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .o-card-dark {
      background: linear-gradient(145deg, var(--primary-strong), var(--primary));
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .06);
    }

    .o-card-white {
      background: #fff;
      color: var(--text-main);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .o-card-accent {
      background: var(--accent);
      color: #fff;
    }

    .o-card h3 {
      font-size: 23px;
      line-height: 1.4;
      font-weight: 900;
      margin: 0 0 12px;
    }

    .o-card p {
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 18px;
      color: inherit;
    }

    .o-card-dark h3,
    .o-card-accent h3 { color: #fff; }

    .o-card-dark p,
    .o-card-accent p { color: rgba(255, 255, 255, .9); }

    .o-card .mini-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
    }

    .o-card .mini-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
    }

    .o-card .mini-list i { color: var(--accent); }

    .o-card-dark .mini-list i { color: #f7b48f; }

    .o-card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      font-size: 14px;
      font-weight: 800;
      color: var(--primary);
    }

    .o-card-dark .o-card-link,
    .o-card-accent .o-card-link { color: #fff; }

    .o-card-link:hover { gap: 10px; }

    .step-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 9px;
      background: rgba(255, 255, 255, .14);
      color: #fff;
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    /* FAQ */
    .faq-section {
      background: var(--bg-body);
    }

    .faq-grid .aside-info {
      position: sticky;
      top: 130px;
    }

    .faq-intro p {
      color: var(--text-muted);
    }

    .accordion {
      list-style: none;
      padding: 0;
      margin: 0;
      background: transparent;
    }

    .accordion-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color .2s, box-shadow .2s;
    }

    .accordion-item:hover { border-color: rgba(30, 90, 67, .35); }

    .accordion-item.is-active {
      border-color: var(--primary);
      box-shadow: 0 8px 24px rgba(30, 90, 67, .08);
    }

    .accordion-title {
      position: relative;
      display: block;
      padding: 20px 58px 20px 22px;
      background: transparent !important;
      color: var(--text-main);
      font-size: 17px;
      font-weight: 800;
      line-height: 1.5;
      min-height: 58px;
    }

    .accordion-item.is-active .accordion-title { color: var(--primary); }

    .accordion-title::before {
      content: '+';
      position: absolute;
      right: 20px;
      top: 50%;
      width: 30px;
      height: 30px;
      margin-top: -15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      color: var(--accent);
      background: rgba(224, 110, 46, .12);
      font-size: 22px;
      font-weight: 700;
      transition: transform .2s ease, background .2s ease;
    }

    .accordion-item.is-active .accordion-title::before {
      content: '\00d7';
      transform: rotate(180deg);
      background: var(--accent);
      color: #fff;
    }

    .accordion-content {
      padding: 0 22px 22px;
      color: #44534c;
      line-height: 1.8;
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

    /* CTA */
    .cta-band {
      background:
        linear-gradient(120deg, rgba(18, 58, 43, .96) 0%, rgba(30, 90, 67, .9) 60%, rgba(18, 58, 43, .8) 100%),
        url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      padding: clamp(54px, 8vw, 92px) 0;
      color: #fff;
      text-align: center;
    }

    .cta-band h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 46px);
      font-weight: 900;
      line-height: 1.2;
      color: #fff;
    }

    .cta-band p {
      max-width: 680px;
      margin: 0 auto 28px;
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .86);
    }

    .cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

    /* Footer */
    .site-footer {
      background: var(--primary-strong);
      color: #CAD6D0;
      padding: 64px 0 40px;
      font-size: 14px;
    }

    .site-footer .brand-icon {
      background: #fff;
      color: var(--primary-strong);
    }

    .site-footer .brand-strong { color: #fff; }

    .site-footer .brand-sub { color: rgba(202, 214, 208, .7); }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 42px;
      margin-bottom: 42px;
    }

    .footer-desc {
      margin-top: 16px;
      color: #9DAEA6;
      line-height: 1.8;
      max-width: 360px;
    }

    .footer-col h3 {
      margin: 0 0 16px;
      font-size: 15px;
      color: #fff;
      font-weight: 800;
    }

    .footer-col ul li { margin-bottom: 8px; }

    .footer-col ul a {
      color: #A8BBB2;
      transition: color .2s, padding-left .2s;
      position: relative;
      padding-left: 0;
    }

    .footer-col ul a:hover {
      color: #fff;
      padding-left: 5px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .16);
      padding-top: 26px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      color: #8EA69A;
      font-size: 13px;
    }

    .footer-bottom span { white-space: nowrap; }

    /* Fixed bottom CTA */
    .bottom-cta-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      z-index: 200;
      background: rgba(255, 255, 255, .95);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
      border-top: 1px solid var(--border);
      box-shadow: 0 -6px 24px rgba(18, 58, 43, .06);
      padding: 10px 0;
    }

    .bottom-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .bottom-bar-copy {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      font-weight: 700;
      color: var(--primary-strong);
    }

    .bottom-bar-copy i {
      width: 34px;
      height: 34px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 9px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .bottom-bar-actions { display: flex; gap: 10px; }

    /* Responsive */
    @media screen and (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr;
      }
      .footer-desc { max-width: none; }
      .overview-grid .cell { margin-bottom: 20px; }
    }

    @media screen and (max-width: 800px) {
      .hot-pills { display: none; }
      .nav-bottom { max-height: 0; overflow: hidden; opacity: 0; }
      .site-header.nav-open .nav-bottom {
        max-height: 420px;
        opacity: 1;
        border-top: 1px solid var(--border);
      }
      .nav-wrap-row {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 16px;
      }
      .channel-nav {
        flex-direction: column;
        align-items: stretch;
      }
      .channel-nav a {
        min-height: 44px;
        padding: 10px 12px;
        border-radius: 8px;
        border-bottom: none;
      }
      .channel-nav a:hover,
      .channel-nav a.active {
        background: var(--primary-soft);
        color: var(--primary);
        border-bottom: none;
      }
      .menu-toggle { display: inline-flex; }
      .search-mini { display: flex; }
      .search-mini input { min-width: 90px; width: 100px; }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media screen and (max-width: 640px) {
      .container { padding-left: 16px; padding-right: 16px; }
      body { padding-bottom: 100px; }
      .header-top { gap: 8px; }
      .search-mini { display: none; }
      .brand-strong { font-size: 19px; }
      .brand-sub { font-size: 11px; }
      .header-tools { gap: 8px; }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .route-left {
        flex-direction: column;
        align-items: flex-start;
      }
      .route-inner { align-items: flex-start; }
      .bottom-bar-copy { font-size: 13px; }
      .bottom-bar-copy i { display: none; }
      .bottom-cta-bar .container {
        padding: 0 12px;
      }
      .bottom-bar-actions {
        flex: 1;
        justify-content: flex-end;
      }
      .bottom-cta-bar .btn { padding: 0 12px; }
      .hero-actions .btn { width: 100%; }
      .cta-actions .btn { width: 100%; }
    }

/* roulang page: category3 */
:root {
            --primary: #1E5A43;
            --primary-strong: #123A2B;
            --primary-soft: #E4EDE8;
            --accent: #E06E2E;
            --accent-hover: #C25A20;
            --bg-body: #F7F7F2;
            --surface: #FFFFFF;
            --text-main: #17221C;
            --text-muted: #63736B;
            --border: #DDDFDA;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(0,0,0,.04);
            --shadow-hover: 0 14px 30px rgba(0,0,0,.08);
            --transition: all .2s ease;
            --font-stack: "PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-stack);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 64px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        ul, ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }

        h1, h2, h3, h4 { line-height: 1.3; font-weight: 800; color: var(--text-main); }

        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            min-height: 44px; padding: 0 22px; border-radius: 8px; border: 1px solid transparent;
            font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition);
            line-height: 1.2; text-align: center; font-family: var(--font-stack);
        }
        .btn-primary { background: var(--accent); color: #fff; }
        .btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 18px rgba(224, 110, 46, .3); }
        .btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-secondary:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }
        .btn:focus-visible, a:focus-visible { outline: 3px solid rgba(224,110,46,.5); outline-offset: 2px; }
        .btn-light { background: #fff; color: var(--primary-strong); }
        .btn-light:hover { background: var(--primary-soft); color: var(--primary-strong); }

        .tag { display: inline-flex; align-items: center; padding: 4px 12px; background: var(--primary-soft); color: var(--primary); border-radius: 30px; font-size: 12px; font-weight: 600; letter-spacing: .4px; }
        .tag-outline { background: transparent; border: 1px solid rgba(255,255,255,.5); color: rgba(255,255,255,.9); }
        .tag-accent { background: rgba(224,110,46,.12); color: var(--accent); }

        /* ===== Header / Navigation ===== */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
        .top-bar-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; min-height: 58px; }
        .brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .brand-icon { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 900; border-radius: 8px; letter-spacing: -.2px; }
        .brand-title { display: inline-flex; flex-direction: column; line-height: 1.15; }
        .brand-strong { font-size: 19px; font-weight: 800; color: var(--primary-strong); letter-spacing: -.2px; }
        .brand-sub { font-size: 12px; font-weight: 400; color: var(--text-muted); letter-spacing: 1px; }

        .top-actions { display: flex; align-items: center; gap: 10px; }
        .search-box { display: flex; align-items: center; background: var(--bg-body); border: 1px solid var(--border); border-radius: 30px; padding: 0 12px; height: 38px; transition: var(--transition); }
        .search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(30,90,67,.08); }
        .search-box i { color: var(--text-muted); font-size: 13px; }
        .search-box input { border: none; outline: none; background: transparent; font-size: 13px; width: 170px; padding: 6px 8px; font-family: var(--font-stack); color: var(--text-main); }
        @media (max-width:600px) {
            .search-box input { width: 90px; }
        }

        .nav-bar { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: nowrap; border-top: 1px solid rgba(255,255,255,.7); padding: 6px 0; min-height: 46px; overflow-x: auto; scrollbar-width: none; }
        .nav-bar::-webkit-scrollbar { display: none; }
        .nav-link { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; color: var(--text-main); padding: 8px 0 6px; margin: 0 9px; position: relative; border-bottom: 2px solid transparent; white-space: nowrap; }
        .nav-link i { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
        .nav-link:hover { color: var(--primary); }
        .nav-link:hover i { color: var(--primary); }
        .nav-link:hover::after { width: 100%; }
        .nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); border-radius: 2px; transition: width .25s ease; }
        .nav-link.active { color: var(--primary); font-weight: 700; }
        .nav-link.active::after { width: 100%; }
        .nav-link.active i { color: var(--primary); }

        .nav-cta { margin-left: auto; height: 32px; min-height: 32px; padding: 0 16px; font-size: 13px; background: var(--accent); color: #fff; border-radius: 20px; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
        .nav-cta:hover { background: var(--accent-hover); color: #fff; }

        @media (max-width:900px) {
            .nav-cta { display: none; }
            .nav-bar { justify-content: flex-start; }
        }

        .mobile-toggle { display: none; }

        @media (max-width:640px) {
            body { padding-bottom: 56px; }
            .section { padding: 44px 0; }
            .container { padding: 0 16px; }
        }

        /* ===== Hero / Page Banner ===== */
        .category-hero { position: relative; background: linear-gradient(135deg, #123a2b 0%, #1E5A43 60%, #2a6d53 100%); padding: 56px 0 72px; overflow: hidden; }
        .category-hero:before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 80% 20%, rgba(255,255,255,.04) 0%, transparent 50%), url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: .3; }
        .category-hero:after { content: ''; position: absolute; width: 340px; height: 340px; border: 2px solid rgba(255,255,255,.05); border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; top: -80px; right: -60px; transform: rotate(12deg); }
        .category-hero .container { position: relative; z-index: 2; }
        .hero-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 20px; }
        .hero-breadcrumb a { color: rgba(255,255,255,.8); }
        .hero-breadcrumb a:hover { color: #fff; }
        .hero-breadcrumb .sep { opacity: .5; }
        .category-hero h1 { font-size: clamp(30px, 5vw, 46px); color: #fff; margin-bottom: 14px; font-weight: 900; letter-spacing: -0.5px; }
        .category-hero .hero-sub { color: rgba(255,255,255,.82); font-size: 16px; max-width: 720px; margin-bottom: 26px; font-weight: 400; line-height: 1.7; }
        .hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
        .hero-tags span { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16); padding: 5px 14px; border-radius: 30px; font-size: 13px; color: rgba(255,255,255,.9); }
        .hero-anchor-row { display: flex; flex-wrap: wrap; gap: 16px; }
        .hero-anchor-row .btn i { font-size: 13px; }

        /* ===== Path Steps / Scene Flow ===== */
        .scene-intro { background: var(--bg-body); }
        .scene-intro .section-title { text-align: left; margin-bottom: 14px; }
        .scene-intro p.lead { font-size: 17px; color: var(--text-muted); max-width: 700px; margin-bottom: 30px; }
        .scene-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 30px; }
        .flow-step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 20px; position: relative; transition: var(--transition); }
        .flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .step-num { font-size: 26px; font-weight: 800; color: var(--primary-soft); display: block; margin-bottom: 10px; font-family: monospace; }
        .flow-step h3 { font-size: 17px; margin-bottom: 8px; }
        .flow-step p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }
        .flow-step .step-icon { position: absolute; top: 18px; right: 18px; color: rgba(30,90,67,.1); font-size: 22px; }
        @media (max-width:1000px) { .scene-flow { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width:560px) { .scene-flow { grid-template-columns: 1fr; } }

        /* ===== Featured / Image + Text Blocks ===== */
        .feature-blocks { background: #fff; }
        .scene-row { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 24px 0; }
        .scene-row + .scene-row { border-top: 1px solid var(--border); }
        .scene-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .scene-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; transition: transform .4s ease; }
        .scene-media:hover img { transform: scale(1.03); }
        .media-badge { position: absolute; left: 14px; bottom: 14px; background: rgba(18,58,43,.88); color: #fff; font-size: 13px; padding: 6px 14px; border-radius: 20px; display: flex; align-items: center; gap: 6px; backdrop-filter: blur(4px); }
        .scene-content h3 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
        .scene-content .sub-line { color: var(--accent); font-size: 13px; margin-bottom: 12px; font-weight: 600; letter-spacing: .3px; display: inline-flex; align-items: center; gap: 6px; }
        .scene-content p { color: var(--text-muted); margin-bottom: 16px; font-size: 15px; }
        .bullet-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
        .bullet-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--text-main); }
        .bullet-list li i { color: var(--accent); font-size: 14px; margin-top: 3px; }
        .scene-content a.more-link { font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
        .scene-content a.more-link i { font-size: 12px; }
        @media (max-width:800px) {
            .scene-row { grid-template-columns: 1fr; gap: 24px; padding: 24px 0; }
        }

        /* ===== Bento / Mixed Grid 分类卡片区 ===== */
        .bento-section { background: var(--bg-body); }
        .bento-grid { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 20px; grid-template-rows: auto; }
        .bento-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); display: flex; flex-direction: column; }
        .bento-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .bento-card.span-2 { grid-column: span 2; }
        .bento-card.dark { background: var(--primary); color: #fff; border-color: transparent; }
        .bento-card.dark h3 { color: #fff; }
        .bento-card.dark p { color: rgba(255,255,255,.8); }
        .bento-card.dark .more-link { color: #fff; }
        .bento-card.dark .more-link:hover { color: rgba(255,255,255,.8); }
        .bento-icon { width: 42px; height: 42px; background: var(--primary-soft); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; margin-bottom: 14px; }
        .bento-card.dark .bento-icon { background: rgba(255,255,255,.15); color: #fff; }
        .bento-card h3 { font-size: 19px; margin-bottom: 8px; font-weight: 800; }
        .bento-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
        .bento-card p + p { margin-top: 12px; }
        .bento-mini-list { display: grid; gap: 0; }
        .bento-mini-list li { border-bottom: 1px dashed var(--border); padding: 10px 0; display: flex; align-items: center; gap: 10px; font-size: 14px; }
        .bento-mini-list li:last-child { border-bottom: none; }
        .bento-mini-list li i { color: var(--accent); font-size: 13px; }
        .bento-card .stats { display: flex; gap: 24px; margin-top: 12px; }
        .bento-card .stats .num { font-size: 28px; font-weight: 800; color: var(--primary); }
        .bento-card.dark .stats .num { color: #fff; }
        .bento-card .stats .label { font-size: 13px; color: var(--text-muted); }
        @media (max-width:1000px) { .bento-grid { grid-template-columns: 1fr 1fr; } .bento-card.span-2 { grid-column: span 1; } }
        @media (max-width:600px) { .bento-grid { grid-template-columns: 1fr; } }

        /* ===== Checklist / 场景对照表 ===== */
        .table-section { background: #fff; }
        .data-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); font-size: 14.5px; }
        .data-table thead th { background: var(--primary); color: #fff; padding: 14px 16px; text-align: left; font-weight: 600; font-size: 14.5px; }
        .data-table tbody td { padding: 13px 16px; border-bottom: 1px solid #E9EBE4; vertical-align: top; }
        .data-table tbody tr:last-child td { border-bottom: none; }
        .data-table tbody tr:hover { background: #F9FAF7; }
        .data-table tbody tr:nth-child(even) { background: #FCFDFB; }
        .data-table tbody tr:nth-child(even):hover { background: #F4F7F2; }
        .data-table td:first-child { font-weight: 600; }
        .table-scroll { overflow-x: auto; }
        @media (max-width:680px) {
            .data-table { font-size: 13px; }
            .data-table thead th, .data-table tbody td { padding: 10px 10px; }
        }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-body); }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
        .accordion-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; overflow: hidden; }
        .accordion-item summary { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; cursor: pointer; font-weight: 600; font-size: 16px; color: var(--text-main); list-style: none; gap: 14px; transition: background .2s; }
        .accordion-item summary::-webkit-details-marker { display: none; }
        .accordion-item summary:hover { background: var(--primary-soft); }
        .accordion-item summary::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--accent); transition: transform .2s ease; flex-shrink: 0; line-height: 1; margin-top: -2px; }
        .accordion-item[open] summary::after { transform: rotate(45deg); }
        .accordion-item .faq-p { padding: 0 20px 18px; font-size: 15px; color: var(--text-muted); line-height: 1.7; }
        @media (max-width:800px) { .faq-grid { grid-template-columns: 1fr; } }

        /* ===== CTA ===== */
        .cta-band { position: relative; background: linear-gradient(120deg, #123A2B, #1E5A43); color: #fff; overflow: hidden; }
        .cta-band:before { content: ''; position: absolute; top: 0; right: 0; width: 280px; height: 280px; border: 40px solid rgba(255,255,255,.02); border-radius: 50%; transform: translate(30%, -30%); }
        .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; z-index: 2; padding: 28px 0; flex-wrap: wrap; }
        .cta-text h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; margin-bottom: 6px; }
        .cta-text p { color: rgba(255,255,255,.78); font-size: 15px; margin-bottom: 0; }
        .cta-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
        @media (max-width:720px) {
            .cta-inner { padding: 36px 0; }
            .cta-actions { width: 100%; }
            .cta-actions .btn { flex: 1; }
        }

        /* ===== Footer ===== */
        .site-footer { background: #123A2B; color: #CAD6D0; padding: 50px 0 28px; font-size: 14px; line-height: 1.7; }
        .site-footer a { color: #CAD6D0; text-decoration: none; transition: color .2s; }
        .site-footer a:hover { color: #fff; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 34px; margin-bottom: 30px; }
        .site-footer .brand-title .brand-strong { color: #fff; }
        .site-footer .brand-title .brand-sub { color: #CAD6D0; }
        .site-footer .brand-icon { background: rgba(255,255,255,.12); color: #fff; }
        .footer-desc { font-size: 13.5px; line-height: 1.8; margin-top: 12px; opacity: .78; max-width: 280px; }
        .footer-col h3 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 14px; }
        .footer-col ul li { margin-bottom: 8px; font-size: 14px; }
        .footer-col ul li i { opacity: .8; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; opacity: .68; }
        @media (max-width:900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width:560px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

        /* ===== Bottom Bar ===== */
        .bottom-bar { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,.96); border-top: 1px solid var(--border); padding: 8px 16px; z-index: 90; display: flex; justify-content: space-between; align-items: center; gap: 10px; backdrop-filter: blur(8px); min-height: 56px; }
        .bottom-bar .bb-left { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
        .bottom-bar .bb-left i { color: var(--primary); }
        .bottom-bar .bb-actions { display: flex; gap: 8px; }
        .bottom-bar .btn { min-height: 40px; font-size: 13.5px; padding: 0 18px; }
        @media (max-width:600px) {
            .bottom-bar { min-height: 52px; }
            .bottom-bar .bb-left span { display: none; }
            .bottom-bar .btn { flex: 1; padding: 0 8px; }
        }

        @media (max-width:940px) {
            .nav-bar { border-top: none; }
        }
        @media (max-width:640px) {
            .hide-sm { display: none !important; }
            .category-hero { padding: 36px 0 44px; }
            .category-hero h1 { font-size: 28px; }
        }
        .mobile-nav { display: none; }
        @media (max-width:940px) {
            .mobile-nav { display: flex; }
            .nav-bar { display: none; }
            .mobile-toggle { display: inline-flex; }
        }