/* roulang page: index */
:root{
  --primary:#0B6B4F;
  --primary-dark:#084A38;
  --accent:#C9F53F;
  --page:#F5F7F3;
  --light-alt:#EEF2EA;
  --card:#FFFFFF;
  --deep:#0E2420;
  --text-heading:#15251F;
  --text-body:#52645C;
  --text-mute:#7B8C84;
  --text-on-dark:#F0F5F1;
  --text-sub-dark:#A8BCB0;
  --border:#DFE6DF;
  --border-active:#0B6B4F;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-card:0 2px 10px rgba(20,40,30,0.05);
  --shadow-card-hover:0 14px 32px rgba(20,40,30,0.12);
  --shadow-nav:0 2px 8px rgba(20,40,30,0.04);
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Oswald,Archivo,"Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-base);background:var(--page);color:var(--text-body);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto;object-fit:cover}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
section{scroll-margin-top:90px}
.section-white{background:#fff}
.section-light{background:var(--page)}
.section-alt{background:var(--light-alt)}
::selection{background:rgba(201,245,63,.45)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-top:3px solid var(--primary);
  box-shadow:var(--shadow-nav);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;gap:28px;
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  font-size:19px;font-weight:800;color:var(--text-heading);letter-spacing:.5px;
}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--font-num);font-size:17px;font-weight:700;
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;right:-5px;bottom:-5px;
  width:20px;height:20px;background:var(--accent);border-radius:50% 0 0 0;
  opacity:.85;
}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:inline-flex;align-items:center;height:44px;padding:0 17px;
  border-radius:999px;color:var(--text-body);font-size:15px;font-weight:600;
  position:relative;transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--primary);background:rgba(11,107,79,.06)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{
  content:"";position:absolute;left:20px;right:20px;bottom:5px;
  height:2px;background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:210px;height:40px;border:1px solid var(--border);
  border-radius:999px;padding:0 6px 0 14px;
  background:#fff;transition:border .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--border-active);box-shadow:0 0 0 3px rgba(11,107,79,.08)}
.nav-search input{
  border:0;outline:none;width:100%;font-size:14px;background:transparent;color:var(--text-heading)
}
.nav-search button{color:var(--text-mute);font-size:15px;width:32px;height:32px;border-radius:50%;background:var(--light-alt);transition:.2s}
.nav-search button:hover{color:var(--primary);background:rgba(11,107,79,.1)}
.header-cta{
  display:inline-flex;height:46px;align-items:center;justify-content:center;
  padding:0 22px;background:var(--accent);color:#173128;font-weight:700;font-size:15px;
  border-radius:8px;box-shadow:0 8px 20px rgba(11,107,79,.14);
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta:hover{background:var(--primary-dark);color:#fff;box-shadow:0 8px 20px rgba(11,107,79,.28);transform:translateY(-1px)}
.mobile-burger{display:none;width:44px;height:44px;border-radius:10px;color:var(--text-heading);align-items:center;justify-content:center;font-size:20px;background:var(--light-alt)}
.mobile-burger:hover{background:rgba(11,107,79,.1);color:var(--primary)}
.mobile-nav-panel{display:none;background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow-nav)}
.mobile-nav-panel.open{display:block}
.mobile-panel-inner{padding:16px 0 22px}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{padding:13px 2px;border-bottom:1px solid #EDF1EC;color:var(--text-heading);font-weight:600;font-size:16px}
.mobile-links a:hover{color:var(--primary)}
.mobile-bottom{display:flex;flex-direction:column;gap:14px;padding-top:18px}
.mobile-search{display:flex;height:46px;border:1px solid var(--border);border-radius:999px;padding-left:16px;align-items:center;background:#fff}
.mobile-search input{border:0;outline:none;flex:1;background:transparent}
.mobile-search button{width:44px;height:44px;color:var(--primary)}
.mobile-cta{height:50px;border-radius:8px;background:var(--accent);color:#173128;font-weight:700;display:flex;align-items:center;justify-content:center}

/* ===== 通用按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 28px;border-radius:8px;font-weight:700;font-size:16px;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,opacity .2s ease;gap:9px}
.btn-primary{background:var(--accent);color:var(--text-heading);box-shadow:0 10px 24px rgba(11,107,79,.14)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 10px 24px rgba(11,107,79,.26);transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(11,107,79,.07)}
.btn-on-dark{background:#fff;color:var(--primary-dark)}
.btn-on-dark:hover{background:var(--accent);color:var(--text-heading)}
.btn-ghost-dark{color:var(--text-on-dark);border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.09);border-color:#fff}
.btn i{font-size:14px;opacity:.8}

/* ===== Section头 ===== */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:44px}
.section-title-wrap{display:flex;flex-direction:column;gap:4px}
.section-tag{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--primary)}
.section-tag i{color:var(--primary)}
.sec-num{width:34px;height:9px;background:var(--accent);display:inline-block;border-radius:2px}
.section-title-wrap h2{color:var(--text-heading);font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.35}
.section-desc{font-size:15px;color:var(--text-mute);max-width:260px;text-align:right;line-height:1.8}

/* ===== Hero ===== */
.hero{
  background-color:var(--deep);
  background-image:linear-gradient(120deg,rgba(14,36,32,.92) 0%,rgba(14,36,32,.78) 55%,rgba(14,36,32,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-position:center;background-size:cover;
  padding:88px 0 70px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:50px;
  background:var(--page);clip-path:polygon(0 90%,100% 0,100% 100%,0 100%);
}
.hero-inner{display:flex;align-items:center;gap:42px;position:relative;z-index:2}
.hero-copy{flex:0 0 55%}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;color:#C8DDD3;background:rgba(255,255,255,.07);padding:9px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;border:1px solid rgba(255,255,255,.15)}
.hero-kicker span{width:7px;height:7px;background:var(--accent);border-radius:50%}
.hero h1{
  color:var(--text-on-dark);font-size:clamp(32px,5vw,52px);line-height:1.3;
  font-weight:800;margin:24px 0 18px;letter-spacing:.5px;
}
.hero h1 .text-accent{color:var(--accent)}
.hero-summary{font-size:17px;color:var(--text-sub-dark);max-width:540px;line-height:1.9;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-note{display:flex;align-items:center;gap:8px;color:var(--text-sub-dark);font-size:13px;margin-top:18px}
.hero-note i{color:var(--accent)}

.hero-pane{
  flex:0 0 42%;background:rgba(255,255,255,.97);border-radius:18px;
  padding:28px;box-shadow:0 24px 48px rgba(0,0,0,.22);color:var(--text-heading);
}
.pane-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.pane-label{font-size:13px;letter-spacing:1px;color:var(--text-mute);font-weight:600}
.pane-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--primary);background:rgba(11,107,79,.09);padding:5px 10px;border-radius:99px}
.pane-status i{font-size:9px}
.pane-num{
  font-family:var(--font-num);font-size:76px;line-height:1;font-weight:800;
  color:var(--primary);letter-spacing:1px;
}
.pane-num-sub{font-size:15px;color:var(--text-mute);margin-top:4px}
.pane-divider{height:1px;background:var(--border);margin:20px 0;position:relative}
.pane-divider::after{content:"";position:absolute;left:0;top:-1px;width:52px;height:3px;background:var(--accent);border-radius:4px}
.pane-row{display:flex;gap:15px;align-items:flex-start;padding:12px 0}
.pane-icon{width:36px;height:36px;border-radius:10px;background:var(--light-alt);color:var(--primary);display:flex;flex:0 0 36px;align-items:center;justify-content:center;font-size:14px}
.pane-row strong{display:block;font-size:15px;color:var(--text-heading);font-weight:700}
.pane-row p{font-size:13px;color:var(--text-body);line-height:1.5}
.pane-foot{margin-top:16px;display:inline-flex;align-items:center;gap:8px;background:var(--light-alt);padding:9px 15px;border-radius:99px;color:var(--primary-dark);font-size:13px;font-weight:700}
.pane-foot i{color:var(--primary);font-size:12px}

/* ===== 痛点区 ===== */
.pain-section{padding:96px 0}
.pain-layout{display:flex;gap:50px;align-items:center}
.pain-copy{flex:1 1 52%}
.pain-copy .section-tag{margin-bottom:12px}
.pain-copy h2{color:var(--text-heading);font-size:clamp(26px,3vw,36px);line-height:1.45;margin-bottom:30px}
.pain-list{display:flex;flex-direction:column;gap:14px}
.pain-item{background:#fff;border:1px solid var(--border);border-left:3px solid var(--primary);border-radius:14px;padding:18px 20px;display:flex;gap:16px;transition:box-shadow .2s ease,border-color .2s ease;box-shadow:var(--shadow-card)}
.pain-item:hover{box-shadow:var(--shadow-card-hover);border-left-color:var(--accent)}
.pain-icon{width:42px;height:42px;flex:0 0 42px;color:var(--primary);background:rgba(11,107,79,.08);border-radius:11px;display:flex;align-items:center;justify-content:center}
.pain-item h3{font-size:17px;color:var(--text-heading);font-weight:700;line-height:1.3}
.pain-item p{font-size:14px;color:var(--text-body);margin-top:6px}
.pain-visual{flex:1 1 44%;background:#fff;border:1px solid var(--border);border-radius:18px;padding:6px;box-shadow:var(--shadow-card)}
.pain-visual img{border-radius:14px;width:100%;height:235px;object-fit:cover}
.visual-caption{padding:20px 18px 14px}
.visual-caption strong{font-size:17px;color:var(--text-heading)}
.visual-tag{font-size:12px;color:var(--text-mute);letter-spacing:1px}
.visual-list{margin-top:13px;display:flex;flex-direction:column;gap:9px}
.visual-list li{display:flex;gap:10px;font-size:14px}
.visual-list i{color:var(--primary);margin-top:4px;font-size:13px}

/* ===== 解决方案区 ===== */
.solution-section{padding:96px 0;background:#fff}
.solution-intro{max-width:600px}
.solution-intro .section-tag{margin-bottom:12px}
.solution-intro h2{color:var(--text-heading);font-size:clamp(26px,3vw,36px);line-height:1.45}
.solution-intro p{color:var(--text-mute);margin-top:16px}

.solution-block{display:flex;align-items:center;gap:48px;margin-top:60px}
.solution-block.reverse{flex-direction:row-reverse}
.solution-img{flex:0 0 47%;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card-hover)}
.solution-img img{width:100%;height:330px;object-fit:cover}
.solution-content{flex:1}
.solution-content .article-line{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-family:var(--font-num);font-size:14px;letter-spacing:1px;font-weight:600;margin-bottom:12px}
.solution-content .article-line::after{content:"";height:1px;width:44px;background:var(--border)}
.solution-content h3{color:var(--text-heading);font-size:clamp(20px,2.2vw,27px);line-height:1.4;margin-bottom:10px}
.solution-content .desc{color:var(--text-body);font-size:15px}
.solution-points{margin-top:18px;display:flex;flex-direction:column;gap:16px}
.sp-item{display:flex;gap:14px;align-items:flex-start}
.sp-left{color:var(--primary);font-family:var(--font-num);font-size:14px;width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:rgba(11,107,79,.1);display:flex;align-items:center;justify-content:center;letter-spacing:.5px}
.sp-item strong{display:block;color:var(--text-heading);font-size:15px}
.sp-item p{font-size:14px;color:var(--text-mute)}

.tool-band{margin-top:72px;background:var(--page);border-radius:18px;border:1px solid var(--border);display:flex;flex-wrap:wrap;gap:0;padding:30px;align-items:center}
.tool-item{flex:1 1 23%;padding:20px;position:relative}
.tool-item+.tool-item::before{content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:var(--border)}
.tool-item span{display:block;color:var(--text-mute);font-size:13px;letter-spacing:1px;margin-bottom:12px}
.tool-item i{font-size:22px;color:var(--primary);margin-bottom:10px;width:32px}
.tool-item strong{color:var(--text-heading);font-size:16px;font-weight:700;margin-bottom:12px;display:block}
.tool-item p{font-size:14px;color:var(--text-body)}
.solution-bottom{margin-top:54px;display:flex;justify-content:center}

/* ===== 成果区 ===== */
.outcome-section{background:var(--deep);padding:86px 0;position:relative}
.outcome-section .container{position:relative;z-index:2}
.outcome-top{display:flex;align-items:flex-start;gap:30px}
.outcome-top h2{color:#fff;font-size:clamp(24px,3vw,32px);max-width:420px;line-height:1.45}
.outcome-side{color:var(--text-sub-dark);padding-top:12px;font-size:15px;line-height:1.7;max-width:640px}
.metrics-grid{display:flex;flex-wrap:wrap;margin-top:60px;gap:18px}
.metric-item{
  flex:1 1 22%;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.11);
  border-radius:16px;padding:32px 26px 26px;position:relative;overflow:hidden;
  transition:transform .2s ease,background .2s ease;
}
.metric-item:hover{transform:translateY(-5px);background:rgba(255,255,255,.075)}
.metric-bar{width:30px;height:6px;background:var(--accent);border-radius:3px;margin-bottom:26px}
.metric-num{font-family:var(--font-num);font-size:clamp(36px,4vw,56px);font-weight:700;color:#fff;line-height:1;letter-spacing:1px}
.metric-unit{font-size:17px;color:var(--accent);font-weight:700;margin-left:4px}
.metric-item p{color:var(--text-sub-dark);font-size:14px;margin-top:12px;font-weight:600}

/* ===== 用户反馈区 ===== */
.testimonial-section{padding:96px 0;background:var(--light-alt)}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.testi-card{
  background:#fff;border-radius:16px;padding:34px 32px;position:relative;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:18px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.testi-quote{
  position:absolute;right:30px;top:26px;font-size:52px;line-height:1;color:rgba(11,107,79,.16);font-family:Georgia,serif;
}
.testi-text{font-size:16px;line-height:1.9;color:var(--text-body);min-height:92px}
.testi-person{display:flex;align-items:center;gap:14px;border-top:1px solid var(--border);padding-top:20px}
.testi-avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 46px;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
}
.testi-person strong{color:var(--text-heading);font-size:16px}
.testi-person span{display:block;font-size:13px;color:var(--text-mute)}
.testi-verify{display:inline-flex;align-items:center;gap:8px;background:rgba(11,107,79,.08);color:var(--primary-dark);font-size:12px;padding:5px 12px;border-radius:999px;align-self:flex-start;font-weight:600}
.testi-verify i{font-size:10px}

/* ===== CMS动态区 ===== */
.post-feed{padding:96px 0 90px;background:#fff}
.feed-layout{display:flex;gap:30px}
.feed-feature{width:56%;flex:0 0 56%}
.feed-card-big{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:10px;
  box-shadow:var(--shadow-card);transition:all .25s ease;
}
.feed-card-big:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}
.feed-big-img{width:100%;height:310px;border-radius:13px;object-fit:cover}
.feed-card-body{padding:20px;position:relative}
.feed-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--text-mute);margin-bottom:12px}
.feed-cat{display:inline-flex;height:26px;align-items:center;padding:0 13px;border-radius:999px;font-weight:700;background:var(--accent);color:var(--text-heading);font-size:12px}
.feed-card-big h3{color:var(--text-heading);font-size:clamp(18px,2vw,23px);font-weight:800;line-height:1.55}
.feed-card-big p{color:var(--text-body);font-size:15px;margin-top:10px;line-height:1.8}
.read-more{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:14px;margin-top:18px;transition:gap .2s ease}
.read-more:hover{gap:13px}
.feed-list{flex:1}
.small-news{display:flex;flex-direction:column;gap:0}
.small-news-item{
  display:flex;gap:14px;padding:18px 4px;border-bottom:1px solid #E3E9E3;transition:background .15s ease;align-items:flex-start;
}
.small-news-item:first-child{padding-top:0}
.small-news-item:last-child{border-bottom:0;padding-bottom:2px}
.small-news-item:hover h4{color:var(--primary)}
.news-thumb{width:112px;height:82px;flex:0 0 112px;border-radius:12px;overflow:hidden;background:var(--light-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.small-news-item:hover .news-thumb img{transform:scale(1.07)}
.news-copy{flex:1;min-width:0}
.news-topline{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-mute)}
.news-cat-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);flex:0 0 7px}
.news-copy h4{font-size:15px;color:var(--text-heading);line-height:1.55;margin:6px 0 5px;font-weight:700;transition:.2s}
.news-copy p{font-size:13px;color:var(--text-mute);line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:12px;color:#99A79F;margin-top:6px;display:block}
.feed-empty-state{background:var(--light-alt);border:1px dashed var(--border);border-radius:16px;text-align:center;padding:32px 24px;color:var(--text-mute);font-size:14px;width:100%}
.feed-empty-state i{display:block;font-size:28px;color:var(--primary);margin-bottom:10px}

/* ===== 常见问题区 ===== */
.faq-section{padding:96px 0;background:var(--light-alt)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{background:#fff;border-radius:14px;border:1px solid var(--border);overflow:hidden;transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--shadow-card-hover)}
details.faq-item summary{list-style:none;display:flex;align-items:center;gap:15px;padding:20px 22px;cursor:pointer}
details.faq-item summary::-webkit-details-marker{display:none}
.faq-no{font-family:var(--font-num);font-size:14px;color:var(--primary);width:24px;flex:0 0 24px;font-weight:700}
.faq-q{font-weight:700;color:var(--text-heading);font-size:16px;flex:1}
.faq-icon{color:var(--text-mute);font-size:15px;transition:transform .2s ease;flex:0 0 17px}
details[open] .faq-icon{transform:rotate(180deg);color:var(--primary)}
.faq-answer{padding:2px 22px 24px 61px;color:var(--text-body);font-size:15px;line-height:1.9;border-top:0}
.faq-answer::before{content:"";display:block;width:100%;height:1px;background:var(--border);margin-bottom:16px}

/* ===== 最终CTA ===== */
.final-cta{background:var(--primary-dark);padding:0;position:relative}
.final-cta::before{content:"";position:absolute;left:0;top:0;width:100%;height:5px;background:linear-gradient(90deg,var(--accent) 0%,var(--accent) 28%,transparent 28%)}
.final-cta .container{padding:80px 24px;display:flex;align-items:center;justify-content:space-between;gap:60px}
.final-cta-copy h2{color:#fff;font-size:clamp(25px,3vw,35px);line-height:1.5;max-width:720px}
.final-cta-copy p{color:var(--text-sub-dark);margin-top:16px;font-size:16px;line-height:1.8;max-width:720px}
.final-cta-action{flex:0 0 auto;display:flex;flex-direction:column;gap:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--deep);color:var(--text-sub-dark)}
.footer-accent{height:3px;background:var(--accent)}
.footer-main{padding:67px 0 44px;display:flex;gap:36px;flex-wrap:wrap}
.footer-brand{flex:1 1 31%;min-width:260px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;margin-bottom:15px}
.logo-mark-footer{width:34px;height:34px;border-radius:9px;background:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:15px;color:var(--deep);font-weight:800}
.footer-brand p{font-size:14px;line-height:1.9;max-width:330px}
.footer-col{min-width:150px;margin-top:8px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.5px;position:relative;padding-bottom:9px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col li{color:var(--text-sub-dark);font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--accent)}
.footer-copyright{border-top:1px solid rgba(255,255,255,.13);padding:22px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#6f8a7e;flex-wrap:wrap}
.footer-copyright a{color:var(--text-sub-dark)}
.footer-copyright a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .hero{padding:72px 0 60px}
  .hero-copy{flex-basis:58%}
  .hero-pane{flex-basis:42%}
  .main-nav{gap:2px}
  .main-nav a{padding:0 13px}
}
@media (max-width:1024px){
  .header-actions .header-cta{height:42px;padding:0 18px;font-size:14px}
  .nav-search{width:170px}
  .main-nav,.header-cta{display:none}
  .mobile-burger{display:inline-flex}
  .hero-inner{flex-direction:column;gap:34px}
  .hero-copy,.hero-pane{flex:1 1 auto;width:100%}
  .pain-layout{flex-direction:column}
  .solution-block,.solution-block.reverse{flex-direction:column;gap:24px}
  .solution-img{width:100%;flex:auto}
  .tool-item{flex:1 1 45%;border-bottom:1px solid var(--border)}
  .tool-item:nth-child(odd)::before{display:none}
  .tool-item:nth-child(odd){padding-left:0}
  .metric-item{flex:1 1 45%}
  .feed-layout{flex-direction:column}
  .feed-feature{width:100%;flex:auto}
  .small-news-item{padding-top:16px;padding-bottom:16px;border-top:1px solid var(--border);border-bottom:0}
  .small-news-item:first-child{border-top:0}
  .final-cta .container{flex-direction:column;gap:28px;align-items:flex-start}
}
@media (max-width:768px){
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:30px}
  .section-desc{text-align:left;max-width:100%}
  .testi-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .outcome-top{flex-direction:column;gap:14px}
  .metrics-grid{gap:12px;margin-top:40px}
  .metric-item{flex:1 1 46%;padding:22px 18px}
  .tool-item{flex:1 1 100%;border-left:0!important;border-bottom:1px solid var(--border)}
  .tool-item:last-child{border-bottom:0}
  .footer-a11y{display:none}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .header-inner{height:66px}
  .hero{padding:56px 0 50px}
  .hero::after{height:28px;clip-path:polygon(0 70%,100% 0,100% 100%,0 100%)}
  .hero h1{font-size:30px}
  .hero-summary{font-size:15px}
  .hero-actions{flex-direction:column;width:100%}
  .btn{width:100%}
  .hero-pane{padding:22px}
  .pane-num{font-size:62px}
  .section-title-wrap h2{font-size:24px}
  .pain-section,.solution-section,.testimonial-section,.post-feed,.faq-section{padding:58px 0}
  .pain-copy h2{font-size:24px}
  .solution-intro h2{font-size:24px}
  .solution-block{margin-top:42px}
  .solution-img img{height:220px}
  .sp-item{flex-wrap:wrap}
  .badge-row{display:flex;flex-wrap:wrap}
  .feed-list .small-news-item:first-child{border-top:0}
  .small-news-item{gap:12px}
  .news-thumb{width:100px;height:76px;flex-basis:100px}
  .feed-big-img{height:190px}
  .faq-item summary{padding:17px 16px;gap:10px}
  .faq-answer{padding-left:50px;padding-right:16px;font-size:14px}
  .final-cta .container{padding:48px 18px;gap:24px}
  .footer-main{gap:28px;padding-top:48px}
  .footer-col{flex:1 1 45%;min-width:140px}
  .footer-brand{flex:1 1 100%}
  .footer-copyright{justify-content:flex-start;flex-direction:column}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
:root {
  --primary: #0B6B4F;
  --primary-dark: #084A38;
  --primary-darker: #062F25;
  --accent: #C9F53F;
  --accent-dark: #B0DE30;
  --page-bg: #F5F7F3;
  --card-bg: #FFFFFF;
  --alt-bg: #EEF2EA;
  --deep-bg: #0E2420;
  --deep-soft: #142F2A;
  --text-dark: #15251F;
  --text-body: #52645C;
  --text-muted: #7B8C84;
  --text-deep: #F0F5F1;
  --text-deep-muted: #A8BCB0;
  --border-light: #DFE6DF;
  --radius-card: 14px;
  --radius-card-lg: 18px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 10px rgba(20,40,30,.05);
  --shadow-card-hover: 0 14px 32px rgba(20,40,30,.12);
  --transition: all .2s ease;
}

/* ===== Reset / Base ===== */
html, body { scroll-behavior: smooth; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--page-bg);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  padding-top: 78px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
section { scroll-margin-top: 90px; }
.overflow-hidden { overflow: hidden; }

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: 78px;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  z-index: 999;
  box-shadow: 0 2px 8px rgba(20,40,30,.04);
  border-top: 3px solid var(--primary);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px; height: 38px;
  background: var(--primary);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: 'Oswald', sans-serif; font-weight: 700;
  font-size: 18px; letter-spacing: .5px;
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--text-dark); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: 15px; font-weight: 500; color: var(--text-dark);
  padding: 8px 0; position: relative; line-height: 1.4;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--primary); border-radius: 2px;
}
.header-tools { display: flex; align-items: center; gap: 12px; }
.search-box {
  width: 180px; height: 40px; position: relative;
}
.search-box input {
  width: 100%; height: 100%;
  border-radius: 999px; border: 1px solid #E4E9E2;
  background: #F3F6F1; padding: 0 42px 0 18px;
  font-size: 14px; color: var(--text-dark);
  transition: var(--transition);
}
.search-box input:focus {
  outline: none; border-color: var(--primary);
  background: #fff; box-shadow: 0 0 0 3px rgba(11,107,79,.1);
}
.search-box i {
  position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%); font-size: 14px; color: var(--text-muted);
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 28px; border-radius: var(--radius-btn);
  background: var(--accent); color: #173128;
  font-size: 16px; font-weight: 700; border: none; cursor: pointer;
  transition: var(--transition); line-height: 1; white-space: nowrap;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary); color: #fff;
  box-shadow: 0 8px 20px rgba(11,107,79,.25); transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 28px; border-radius: var(--radius-btn);
  background: transparent; color: var(--primary);
  font-size: 16px; font-weight: 600; border: 1.5px solid var(--primary);
  cursor: pointer; transition: var(--transition); line-height: 1;
}
.btn-outline:hover {
  background: rgba(11,107,79,.06); border-color: var(--primary-dark);
  color: var(--primary-dark);
}
.header-cta { height: 40px; padding: 0 20px; font-size: 14px; border-radius: 8px; }

/* Mobile nav */
.mobile-menu-btn {
  display: none; background: none; border: none;
  font-size: 22px; color: var(--text-dark); cursor: pointer;
  padding: 8px; transition: color .2s;
}
.mobile-menu-btn:hover { color: var(--primary); }
.mobile-menu {
  display: none;
  position: fixed; top: 78px; left: 0; width: 100%;
  background: #fff; box-shadow: 0 12px 24px rgba(20,40,30,.08);
  padding: 20px 24px 26px; z-index: 998;
  border-top: 1px solid var(--border-light);
}
.mobile-menu.show { display: block; }
.mobile-menu .main-nav { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.mobile-menu .search-box { width: 100%; margin-bottom: 16px; }
.mobile-menu .btn-primary { width: 100%; }

/* ===== Category Hero / Breadcrumb ===== */
.cat-breadcrumb {
  padding: 18px 0 0;
  font-size: 14px; color: var(--text-muted);
}
.cat-breadcrumb a { color: #84938B; }
.cat-breadcrumb a:hover { color: var(--primary); }
.cat-breadcrumb i { font-size: 12px; margin: 0 8px; color: #B4BFB8; }
.cat-breadcrumb .current { color: var(--text-dark); font-weight: 500; }

/* ===== Intro Section ===== */
.platform-intro {
  background: var(--deep-bg);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.platform-intro::before {
  content: '';
  position: absolute; top: 0; left: -18%; width: 60%; height: 100%;
  background: linear-gradient(110deg, rgba(11,107,79,.35) 0%, transparent 60%);
  transform: skewX(-12deg); transform-origin: top left;
}
.platform-intro::after {
  content: ''; position: absolute; bottom: -50px; right: 6%;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(201,245,63,.16) 0%, transparent 70%);
}
.intro-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 50px; align-items: center; position: relative; z-index: 2; }
.intro-title h1 {
  font-size: clamp(30px, 4vw, 44px); color: #fff;
  line-height: 1.3; margin-bottom: 12px; font-weight: 700;
}
.intro-title .highlight-text { color: var(--accent); font-weight: 700; }
.intro-title p {
  font-size: 16px; color: var(--text-deep-muted); margin-top: 16px; max-width: 420px;
  line-height: 1.8;
}
.intro-side-panel {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-card);
  padding: 28px;
  backdrop-filter: blur(10px);
}
.intro-side-panel h4 {
  font-size: 18px; color: #fff; font-weight: 600; margin-bottom: 12px;
  padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.intro-side-panel ul { list-style: none; margin: 0; }
.intro-side-panel li {
  display: flex; align-items: flex-start;
  gap: 10px; margin-bottom: 12px; font-size: 14.5px; color: #C7D5CC;
  line-height: 1.6; padding-left: 0;
}
.intro-side-panel li i { color: var(--accent); font-size: 14px; margin-top: 5px; width: 18px; text-align: center; }

/* ===== Feature Intro Section ===== */
.feature-intro { padding: 100px 0; background: var(--page-bg); }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 30px; margin-bottom: 56px;
}
.section-head .title-col { max-width: 640px; }
.section-label {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Oswald', sans-serif; font-size: 14px;
  letter-spacing: 2px; color: var(--primary); font-weight: 600;
  margin-bottom: 10px;
}
.section-line { width: 34px; height: 3px; background: var(--accent); border-radius: 4px; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); color: var(--text-dark); font-weight: 700; line-height: 1.3; }
.section-side-desc { max-width: 350px; font-size: 14.5px; color: var(--text-muted); line-height: 1.7; }

/* Alternative cases */
.feature-rows { display: flex; flex-direction: column; gap: 56px; }
.feature-row-item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 50px; align-items: center;
}
.feature-row-item.row-reverse .feature-media { order: 2; }
.feature-row-item.row-reverse .feature-text { order: 1; }
.feature-media {
  border-radius: var(--radius-card-lg); overflow: hidden;
  box-shadow: var(--shadow-card); position: relative;
  min-height: 260px; background: var(--alt-bg);
}
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-media .media-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.feature-text .feature-no {
  font-family: 'Oswald', sans-serif; font-size: 17px;
  color: var(--primary); font-weight: 600; letter-spacing: 1px;
  display: block; margin-bottom: 6px;
}
.feature-text h3 { font-size: clamp(22px, 2.4vw, 30px); color: var(--text-dark); font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.feature-text p { font-size: 15.5px; color: var(--text-body); line-height: 1.9; margin-bottom: 14px; }
.feature-list { list-style: none; margin: 18px 0 0; padding: 0; }
.feature-list li {
  position: relative; padding-left: 22px; margin-bottom: 8px;
  font-size: 14.5px; color: var(--text-body); line-height: 1.7;
}
.feature-list li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent); display: block;
}
.two-col-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; margin: 18px 0 0; padding: 0; list-style: none; }
.two-col-list li { position: relative; padding-left: 22px; margin-bottom: 8px; font-size: 14.5px; color: var(--text-body); line-height: 1.7; }
.two-col-list li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px; background: var(--accent);
}

/* ===== Mechanism Cards ===== */
.mechanism-section { background: var(--alt-bg); padding: 100px 0; }
.mechanism-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 44px; }
.mechanism-card {
  background: #fff; border-radius: var(--radius-card);
  padding: 38px 36px; border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card); transition: var(--transition);
  position: relative; overflow: hidden;
}
.mechanism-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 4px; height: 100%; background: var(--primary);
}
.mechanism-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--primary); }
.mechanism-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(11,107,79,.08); display: flex; align-items: center;
  justify-content: center; margin-bottom: 18px;
}
.mechanism-icon i { font-size: 23px; color: var(--primary); }
.mechanism-card h3 { font-size: 20px; color: var(--text-dark); font-weight: 700; margin-bottom: 10px; }
.mechanism-card p { font-size: 14.5px; line-height: 1.8; color: var(--text-body); margin-bottom: 0; }
.mechanism-card ul { margin: 12px 0 0 18px; }
.mechanism-card ul li { font-size: 14px; color: var(--text-body); margin-bottom: 5px; padding-left: 4px; }

/* ===== Support / CTA band ===== */
.support-band {
  background: #fff; padding: 50px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.support-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px;
}
.support-content {
  display: flex; align-items: center; gap: 24px;
}
.support-content .support-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: var(--deep-bg); display: flex; align-items: center;
  justify-content: center; color: var(--accent); font-size: 24px;
  flex-shrink: 0;
}
.support-content h3 { font-size: 20px; color: var(--text-dark); font-weight: 700; margin-bottom: 5px; }
.support-content p { font-size: 14.5px; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* ===== Steps / Mini Guide ===== */
.guide-steps { padding: 90px 0; background: var(--page-bg); }
.guide-steps .section-head { margin-bottom: 44px; }
.steps-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: start; }
.step-card {
  background: #fff; border-radius: var(--radius-card);
  padding: 32px 28px; border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card); transition: var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.step-card:nth-child(2) { margin-top: 20px; }
.step-card:nth-child(3) { margin-top: 8px; }
.step-no {
  font-family: 'Oswald', sans-serif; font-size: 15px; color: var(--primary);
  font-weight: 600; letter-spacing: 1px; display: block; margin-bottom: 10px;
}
.step-card .sep-line { width: 26px; height: 3px; background: var(--accent); border-radius: 4px; margin-bottom: 14px; }
.step-card h4 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 0; }

/* ===== CTA Section ===== */
.cta-section {
  background: var(--deep-bg);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: 0; right: -12%;
  width: 55%; height: 100%;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: .17;
  transform: skewX(-8deg);
}
.cta-section::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 100%; height: 3px; background: var(--accent);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; position: relative; z-index: 2; }
.cta-inner .cta-text h2 { font-size: 30px; color: #fff; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.cta-inner .cta-text p { color: var(--text-deep-muted); font-size: 15px; margin: 0; max-width: 520px; }
.cta-inner .btn-white { background: #fff; color: #173128; }
.cta-inner .btn-white:hover { background: var(--accent); color: #173128; }

/* ===== Footer ===== */
.site-footer { background: #0E2420; color: #A8BCB0; }
.footer-accent { height: 40px; background: linear-gradient(135deg, var(--accent) 0%, #0B6B4F 50%, #0E2420 100%); }
.footer-main {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 60px 0 55px;
}
.footer-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.logo-mark-footer {
  width: 34px; height: 34px; background: var(--accent);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  color: #173128; font-family: 'Oswald', sans-serif; font-weight: 700;
  font-size: 16px; letter-spacing: .5px;
}
.site-footer .footer-logo span:last-child { font-size: 19px; color: #fff; font-weight: 700; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #8BA296; max-width: 330px; }
.site-footer h4 {
  font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 10px;
}
.site-footer h4::after {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--accent); margin-top: 8px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.site-footer li { color: #8BA296; margin-bottom: 8px; line-height: 1.7; }
.site-footer li a { color: #8BA296; transition: var(--transition); display: inline-block; }
.site-footer li a:hover { color: var(--accent); }
.footer-col:last-child li { display: flex; align-items: flex-start; gap: 4px; line-height: 1.6; }
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0 26px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: #738D81;
}

/* ===== Media Query ===== */
@media only screen and (max-width: 1024px) {
  .header-nav-wrap { display: none; }
  .mobile-menu-btn { display: block; }
  .header-cta { display: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-row-item { grid-template-columns: 1fr; gap: 30px; }
  .feature-row-item.row-reverse .feature-media { order: 1; }
  .feature-row-item.row-reverse .feature-text { order: 2; }
  .mechanism-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card:nth-child(2), .step-card:nth-child(3) { margin-top: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .support-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner .btn-primary { flex-shrink: 0; }
}

@media only screen and (max-width: 640px) {
  body { padding-top: 72px; }
  .site-header { height: 72px; }
  .logo-mark { width: 34px; height: 34px; font-size: 16px; }
  .logo-text { font-size: 17px; }
  .mobile-menu { top: 75px; }
  .mobile-menu.show { display: block; }
  .search-box { transform: scale(1); }
  .platform-intro { padding: 44px 24px; }
  .feature-intro { padding: 65px 0; }
  .mechanism-section { padding: 65px 0; }
  .guide-steps { padding: 65px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 36px; }
  .section-side-desc { max-width: 100%; }
  .feature-rows { gap: 38px; }
  .feature-media { min-height: 200px; }
  .two-col-list { grid-template-columns: 1fr; gap: 0; }
  .mechanism-card { padding: 26px 22px; }
  .guide-steps .container { padding-left: 24px; padding-right: 24px; }
  .steps-grid { gap: 16px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner .cta-text h2 { font-size: 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; padding: 42px 0 35px; }
  .footer-copyright { flex-direction: column; }
  .header-cta { display: none; }
  .mobile-menu .header-cta { display: inline-block; width: 100%; text-align: center; }
  .intro-side-panel { padding: 24px 20px; }
}

@media screen and (min-width: 641px) and (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
}

/* roulang page: article */
:root {
  --primary: #0B6B4F;
  --primary-dark: #084A38;
  --accent: #C9F53F;
  --page: #F5F7F3;
  --card: #FFFFFF;
  --soft: #EEF2EA;
  --dark: #0E2420;
  --text: #15251F;
  --text-secondary: #52645C;
  --muted: #7B8C84;
  --on-dark: #F0F5F1;
  --on-dark-secondary: #A8BCB0;
  --border: #DFE6DF;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-btn: 8px;
  --shadow-sm: 0 2px 10px rgba(20,40,30,.05);
  --shadow-lg: 0 14px 32px rgba(20,40,30,.12);
  --font-sans: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "Oswald","Archivo","Arial Narrow",sans-serif;
  --transition: .2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{background:var(--page);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
ul,ol{padding-left:22px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{border:none;background:none;cursor:pointer}
::selection{background:var(--accent);color:var(--dark)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.main-section{padding:96px 0}
section{scroll-margin-top:90px}

.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border)}
.top-strip{height:3px;background:var(--primary)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.2px}
.logo-mark{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:var(--primary);border-radius:12px 12px 12px 4px;color:#fff;font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:0;transform:rotate(-6deg)}
.logo-mark::first-letter{color:var(--accent);font-weight:700}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--text-secondary);padding:8px 2px;transition:color var(--transition)}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);transition:right var(--transition)}
.main-nav a:hover,.main-nav a.active{color:var(--primary)}
.main-nav a:hover::after,.main-nav a.active::after{right:0}
.main-nav a.active{font-weight:700}

.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-wrap{position:relative;display:block}
.search-wrap i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--muted);pointer-events:none}
.search-input{height:40px;width:190px;border:1px solid var(--border);border-radius:999px;background:var(--soft);padding:0 16px 0 38px;font-size:14px;color:var(--text);transition:all var(--transition)}
.search-input::placeholder{color:var(--muted)}
.search-input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(11,107,79,.1);width:220px}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:var(--radius-btn);background:var(--accent);color:var(--dark);font-weight:700;font-size:15px;gap:8px;transition:all var(--transition);white-space:nowrap}
.btn-brand:hover{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(11,107,79,.25);transform:translateY(-1px)}
.btn-brand-solid{background:var(--primary);color:#fff}
.btn-brand-solid:hover{background:var(--accent);color:var(--dark)}
.btn-brand-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-brand-outline:hover{background:rgba(11,107,79,.07);color:var(--primary-dark);transform:translateY(-1px)}
.btn-white{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;border-radius:var(--radius-btn);background:var(--accent);color:#173128;font-weight:700;gap:8px;font-size:16px;transition:all var(--transition);white-space:nowrap}
.btn-white:hover{background:#fff;color:var(--primary-dark);box-shadow:0 10px 24px rgba(12,35,28,.28);transform:translateY(-2px)}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;color:var(--text);font-size:19px;transition:background var(--transition)}
.menu-toggle:hover{background:var(--soft)}

.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 14px 24px rgba(20,40,30,.08);padding:18px 20px 26px;position:absolute;left:0;right:0;top:80px;z-index:99}
.mobile-panel.active{display:block}
.mobile-panel .panel-search{position:relative;margin-bottom:16px}
.mobile-panel .panel-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.mobile-panel .panel-search input{width:100%;height:44px;border:1px solid var(--border);border-radius:999px;background:var(--soft);padding:0 18px 0 40px;font-size:15px}
.mobile-panel .panel-search input:focus{outline:none;border-color:var(--primary);background:#fff}
.mobile-panel .mobile-nav-list{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.mobile-panel .mobile-nav-list a{display:block;padding:12px 8px;font-weight:600;color:var(--text);border-radius:8px;font-size:16px}
.mobile-panel .mobile-nav-list a:hover,.mobile-panel .mobile-nav-list a.active{color:var(--primary);background:var(--soft)}
.mobile-panel .btn-brand{width:100%;height:48px}
.menu-toggle.is-active{background:var(--soft)}

.article-hero{background:linear-gradient(180deg,#e9efe4 0%,var(--page) 100%);padding:56px 0 40px;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.06;pointer-events:none}
.article-head-inner{max-width:872px;margin:0 auto;position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--muted);opacity:.6}
.breadcrumb .current{color:var(--primary);font-weight:600}
.article-title{font-size:clamp(30px,4vw,44px);line-height:1.35;font-weight:800;color:var(--text);margin-bottom:18px;letter-spacing:-.3px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;color:var(--text-secondary);font-size:14px}
.meta-chip{display:inline-flex;align-items:center;gap:8px;font-weight:500}
.meta-chip i{color:var(--primary);font-size:14px}
.meta-chip.time i{color:var(--primary)}
.meta-chip .cat{color:var(--primary-dark);background:var(--soft);padding:2px 10px;border-radius:999px;font-size:13px}

.article-main-section{padding:36px 0 72px}
.article-frame{max-width:872px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:36px 56px 42px}
.article-cover-box{border-radius:14px;overflow:hidden;border:1px solid var(--border);margin-bottom:28px;background:var(--soft)}
.article-cover-box img{width:100%;aspect-ratio:16/7;object-fit:cover}
article-body{color:var(--text)}
.article-body h2{font-size:clamp(23px,2.4vw,30px);line-height:1.45;color:var(--text);margin:50px 0 20px;padding-left:16px;border-left:4px solid var(--primary);font-weight:750}
.article-body h3{font-size:clamp(19px,2vw,23px);color:var(--text);margin:36px 0 14px;font-weight:700}
.article-body p{font-size:17px;line-height:1.95;margin:24px 0;color:#28372f}
.article-body strong{color:var(--text);font-weight:700}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:opacity var(--transition)}
.article-body a:hover{opacity:.75}
.article-body ul,.article-body ol{margin:18px 0 22px;padding-left:26px;font-size:17px;line-height:1.95}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:14px;border:1px solid var(--border);margin:28px auto;box-shadow:var(--shadow-sm)}
.article-body blockquote{border-left:4px solid var(--primary);background:var(--soft);border-radius:0 12px 12px 0;padding:18px 22px;margin:26px 0;color:var(--text-secondary);font-size:17px}
.article-body blockquote p{margin:6px 0}
.article-body hr{height:1px;border:none;background:var(--border);margin:32px 0}
.article-body code{background:var(--soft);padding:3px 8px;border-radius:6px;font-size:.9em}
.article-share{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:22px 0 6px;border-top:1px dashed var(--border);margin-top:34px}
.share-label{font-size:14px;color:var(--muted);font-weight:600}
.share-btn{height:38px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--card);border-radius:8px;font-size:13px;color:var(--text-secondary);padding:0 14px;transition:all var(--transition);font-weight:600}
.share-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--soft);transform:translateY(-1px)}
.share-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;padding:8px 2px;border-bottom:2px solid transparent;transition:all var(--transition)}
.share-link:hover{border-bottom-color:var(--primary);color:var(--primary-dark)}

.article-pager{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:18px;border-top:1px solid var(--border)}
.pager-item{flex:1;background:var(--soft);border-radius:12px;padding:18px 20px;transition:all var(--transition);border:1px solid transparent}
.pager-item:hover{background:#fff;border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.pager-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:.4px}
.pager-item a{font-weight:700;color:var(--text);display:inline-flex;align-items:center;gap:8px;font-size:15px;transition:color var(--transition)}
.pager-item a:hover{color:var(--primary)}
.pager-next{text-align:right}

.related-section{padding:16px 0 80px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;max-width:1200px;margin:0 auto 34px}
.related-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--text);margin-bottom:6px}
.related-sub{font-size:14px;color:var(--muted)}
.section-eyebrow{font-family:var(--font-num);font-size:13px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;display:block;margin-bottom:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1200px;margin:0 auto}
.related-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition)}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.related-card .card-cover{overflow:hidden;background:var(--soft)}
.related-card .card-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .4s ease}
.related-card:hover .card-cover img{transform:scale(1.05)}
.related-card .card-inner{padding:20px 22px 22px}
.related-card h3{font-size:17px;color:var(--text);line-height:1.6;font-weight:700;margin-bottom:8px;transition:color var(--transition)}
.related-card h3:hover{color:var(--primary)}
.related-card time{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.related-card time i{color:var(--primary)}

.article-cta{padding:20px 0 96px;background:transparent}
.cta-band{max-width:1200px;margin:0 auto;position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;background:var(--primary-dark);color:var(--on-dark);border-radius:var(--radius-lg);padding:48px 56px;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:0;left:0;top:0;height:5px;background:var(--accent);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:8px}
.cta-band p{color:var(--on-dark-secondary);font-size:15px;max-width:620px}
.article-cta .btn-white{flex-shrink:0}

.notfound-wrap{padding:70px 0;display:flex;justify-content:center}
.notfound-box{max-width:580px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-align:center;padding:64px 44px}
.notfound-box .nf-icon{width:80px;height:80px;margin:0 auto 26px;display:flex;align-items:center;justify-content:center;border-radius:24px;background:var(--soft);color:var(--primary);font-size:34px}
.notfound-box h1{font-size:32px;font-weight:800;color:var(--text);margin-bottom:12px}
.notfound-box p{color:var(--text-secondary);margin-bottom:28px;font-size:17px}
.notfound-box .btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;padding:0 28px;height:48px;border-radius:var(--radius-btn);font-size:16px;font-weight:700;transition:all var(--transition)}
.notfound-box .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(8,64,56,.2)}

.site-footer{background:var(--dark);color:var(--on-dark-secondary);position:relative}
.footer-accent{height:5px;background:var(--accent)}
.site-footer .container{padding-top:64px;padding-bottom:32px}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:48px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;font-size:21px;color:#fff;font-weight:800;letter-spacing:-.2px;margin-bottom:18px}
.logo-mark-footer{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--primary);color:var(--accent);border-radius:10px 10px 10px 3px;font-family:var(--font-num);font-weight:700;font-size:15px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:360px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:3px;background:var(--accent)}
.footer-col ul{list-style:none;padding-left:0}
.footer-col li{display:flex;align-items:flex-start;gap:8px;padding:7px 0;font-size:14px;color:var(--on-dark-secondary)}
.footer-col li i{color:var(--primary);margin-top:4px}
.footer-col a{color:var(--on-dark-secondary);transition:color var(--transition);display:inline-flex;align-items:center;gap:7px}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rGBA(240,245,241,.5)}
.footer-copyright span{white-space:pre-wrap}

@media screen and (max-width:1024px){
  .main-section{padding:72px 0}
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .search-wrap{display:none}
  .header-actions{gap:10px}
  .article-meta{gap:10px 14px}
  .footer-main{grid-template-columns:1.1fr .9fr .9fr;row-gap:40px}
  .footer-brand{grid-column:span 2}
  .article-cta{padding-bottom:72px}
  .cta-band{padding:40px 40px}
  .related-section{padding-top:8px}
}
@media screen and (max-width:768px){
  .container{padding:0 20px}
  .header-inner{height:68px}
  .btn-brand{display:none}
  .mobile-panel{top:70px}
  .mobile-panel .btn-brand{display:flex;padding:0 18px}
}
@media screen and (max-width:640px){
  .main-section{padding:56px 0}
  .article-hero{padding:40px 0 28px}
  .article-title{font-size:clamp(25px,5.2vw,32px);line-height:1.4}
  .article-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .article-frame{max-width:100%;padding:24px 20px 32px;border-radius:var(--radius)}
  .article-cover-box img{aspect-ratio:4/3}
  .article-body p{font-size:16px;line-height:1.9}
  .article-body h2{margin-top:36px;padding-left:12px}
  .article-pager{flex-direction:column}
  .pager-next{text-align:left}
  .related-section{padding-top:0}
  .section-head{flex-direction:column;align-items:flex-start;padding:0 4px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .article-cta{padding-bottom:56px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-band .btn-white{width:100%}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:span 2}
  .site-footer .container{padding-top:44px;padding-bottom:24px}
  .footer-copyright{flex-direction:column;gap:6px}
  .footer-copyright span{white-space:normal}
  .notfound-box{padding:44px 24px}
}

/* roulang page: category2 */
:root {
            --primary: #0B6B4F;
            --primary-dark: #084A38;
            --signal: #C9F53F;
            --bg: #F5F7F3;
            --card: #FFFFFF;
            --alt: #EEF2EA;
            --deep: #0E2420;
            --text: #15251F;
            --muted: #52645C;
            --muted-light: #7B8C84;
            --deep-text: #F0F5F1;
            --deep-muted: #A8BCB0;
            --border: #DFE6DF;
            --radius: 14px;
            --radius-lg: 18px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 10px rgba(20, 40, 30, 0.05);
            --shadow-lg: 0 14px 32px rgba(20, 40, 30, 0.12);
            --container-width: 1200px;
            --section-pad: 96px;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: all .2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-sans);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        button,input,textarea {
            font-family: inherit;
        }

        h1,h2,h3,h4,p {
            margin-top: 0;
        }

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

        .grid-container {
            max-width: var(--container-width);
        }

        section {
            scroll-margin-top: 90px;
        }

        :focus-visible {
            outline: 2px solid var(--signal);
            outline-offset: 3px;
        }

        .site-topline {
            height: 3px;
            background: var(--primary);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid #E6EBE5;
            box-shadow: 0 2px 8px rgba(20, 40, 30, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.4px;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 800;
            letter-spacing: -1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            margin-right: 10px;
        }

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 44px;
            padding: 0 15px;
            color: #31463D;
            font-size: 15px;
            font-weight: 600;
            border-radius: 8px;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 15px;
            right: 15px;
            bottom: 3px;
            height: 2px;
            background: transparent;
            border-radius: 2px;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(11, 107, 79, 0.04);
        }

        .main-nav a.active {
            color: var(--primary);
        }

        .main-nav a.active::after {
            background: var(--primary);
        }

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

        .header-search {
            display: inline-flex;
            align-items: center;
            width: 200px;
            height: 40px;
            padding: 0 6px 0 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            background: var(--bg);
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(11, 107, 79, 0.08);
        }

        .header-search input {
            flex: 1;
            min-width: 0;
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: var(--muted-light);
        }

        .header-search button {
            width: 36px;
            height: 36px;
            border: 0;
            border-radius: 50%;
            background: transparent;
            color: var(--muted);
            cursor: pointer;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: 1.5px solid transparent;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: var(--signal);
            border-color: var(--signal);
            color: #173128;
        }

        .btn-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(11, 107, 79, 0.25);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(11, 107, 79, 0.06);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(240, 245, 241, 0.55);
            color: var(--deep-text);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-header {
            min-height: 40px;
            padding: 0 20px;
            font-size: 14px;
            background: var(--primary);
            color: #FFFFFF;
        }

        .btn-header:hover {
            background: var(--signal);
            color: #173128;
            box-shadow: 0 6px 16px rgba(11, 107, 79, 0.2);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 0;
            background: transparent;
            color: var(--text);
            font-size: 21px;
            border-radius: 8px;
            cursor: pointer;
        }

        .nav-toggle:hover {
            background: var(--alt);
        }

        .cat-hero {
            position: relative;
            overflow: hidden;
            padding: 68px 0 90px;
            background-image: url("/assets/images/backpic/back-1.webp");
            background-color: var(--deep);
            background-size: cover;
            background-position: center;
            color: var(--deep-text);
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(14, 36, 32, 0.96) 35%, rgba(14, 36, 32, 0.82) 75%, rgba(14, 36, 32, 0.62));
        }

        .cat-hero>* {
            position: relative;
            z-index: 2;
        }

        .cat-hero-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
            gap: 44px;
            align-items: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 18px;
            color: var(--deep-muted);
        }

        .breadcrumb a {
            color: var(--deep-muted);
        }

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

        .breadcrumb .breadcrumb-current {
            color: #FFFFFF;
        }

        .cat-hero h1 {
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.18;
            color: #FFFFFF;
            margin-bottom: 22px;
            letter-spacing: -1px;
        }

        .h1-accent {
            color: var(--signal);
            margin-left: 12px;
        }

        .cat-hero-lead {
            max-width: 640px;
            font-size: 17px;
            line-height: 1.9;
            color: #C8D8CF;
            margin-bottom: 34px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-quick-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(12px);
        }

        .quick-card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 18px;
        }

        .quick-card-title i {
            color: var(--signal);
        }

        .quick-link-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .quick-link-list a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 11px 10px;
            border-radius: 10px;
            color: #E2EBE5;
            font-size: 15px;
            line-height: 1.5;
            transition: var(--transition);
            background: transparent;
        }

        .quick-link-list a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            transform: translateX(4px);
        }

        .quick-link-list .quick-num {
            font-family: "Oswald", "Archivo", "Arial Narrow", sans-serif;
            font-size: 13px;
            color: var(--signal);
            min-width: 26px;
        }

        .faq-section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            background: var(--bg);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
        }

        .section-titles h2 {
            margin-top: 10px;
            margin-bottom: 0;
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        .section-code {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--primary);
            font-family: "Oswald", "Archivo", "Arial Narrow", sans-serif;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .section-code-line {
            width: 40px;
            height: 3px;
            background: var(--signal);
            border-radius: 3px;
        }

        .section-note {
            max-width: 380px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .faq-list-wrap {
            max-width: 980px;
            margin: 0 auto;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            position: relative;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: border 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item[open] {
            border-color: rgba(11, 107, 79, 0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-item[open] summary::before {
            content: "";
            position: absolute;
            left: -1px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
        }

        .faq-item summary {
            position: relative;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 22px 24px;
            cursor: pointer;
            list-style: none;
            transition: background 0.2s ease;
        }

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

        .faq-item summary:hover {
            background: rgba(238, 242, 234, 0.5);
        }

        .faq-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 30px;
            padding: 0 8px;
            background: var(--alt);
            color: var(--primary);
            border-radius: 8px;
            font-family: "Oswald", "Archivo", "Arial Narrow", sans-serif;
            font-size: 14px;
            font-weight: 700;
            margin-top: 3px;
        }

        .faq-q {
            flex: 1;
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.6;
        }

        .faq-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            margin-top: -2px;
            border-radius: 50%;
            background: var(--alt);
            color: var(--primary);
            font-size: 22px;
            font-weight: 400;
            line-height: 1;
            transition: transform 0.2s ease, background 0.2s ease;
            flex: 0 0 auto;
        }

        .faq-item[open] .faq-toggle {
            transform: rotate(45deg);
            background: var(--primary);
            color: #FFFFFF;
        }

        .faq-answer {
            padding: 0 26px 26px 76px;
        }

        .faq-answer p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.9;
            max-width: 900px;
        }

        .support-section {
            padding: 0 0 90px;
            background: var(--bg);
        }

        .support-bar {
            background: var(--deep);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .support-bar::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(201, 245, 63, 0.08);
        }

        .support-icon-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: var(--signal);
            color: #173128;
            font-size: 26px;
            margin-bottom: 22px;
        }

        .support-bar h3 {
            font-size: clamp(22px, 2.4vw, 30px);
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .support-bar p {
            max-width: 720px;
            margin-bottom: 0;
            color: var(--deep-muted);
            line-height: 1.9;
        }

        .support-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex: 0 0 auto;
        }

        .steps-band {
            padding: var(--section-pad) 0;
            background: var(--alt);
        }

        .step-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: start;
            margin-top: 48px;
        }

        .step-item {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 107, 79, 0.3);
        }

        .step-item:nth-child(2) {
            margin-top: 26px;
        }

        .step-item:nth-child(3) {
            margin-top: 8px;
        }

        .step-thumb {
            margin: -30px -30px 24px -30px;
            height: 130px;
            overflow: hidden;
            background: var(--alt);
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid var(--border);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            position: relative;
        }

        .step-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 46px;
            height: 34px;
            padding: 0 12px;
            background: var(--signal);
            color: #173128;
            font-family: "Oswald", "Archivo", "Arial Narrow", sans-serif;
            font-weight: 700;
            border-radius: 8px;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 19px;
            margin-bottom: 10px;
            color: var(--text);
        }

        .step-item p {
            color: var(--muted);
            margin-bottom: 0;
            font-size: 15px;
            line-height: 1.85;
        }

        .final-cta {
            position: relative;
            padding: var(--section-pad) 0;
            background: var(--deep);
            overflow: hidden;
            color: #FFFFFF;
        }

        .final-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            opacity: 0.16;
        }

        .final-cta .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cta-copy h2 {
            font-size: clamp(26px, 3.4vw, 42px);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .cta-copy p {
            max-width: 650px;
            color: var(--deep-muted);
            font-size: 17px;
            margin-bottom: 0;
            line-height: 1.9;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            flex: 0 0 auto;
        }

        .site-footer {
            background: var(--deep);
            color: #AEBDB3;
        }

        .footer-accent {
            height: 40px;
            background: var(--signal);
            clip-path: polygon(0 100%, 100% 0, 100% 100%);
            transform: scaleY(0.6);
            opacity: 0.85;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.9fr 0.9fr 1fr;
            gap: 40px;
            padding: 72px 0 52px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .logo-mark-footer {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--signal);
            color: #173128;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 800;
        }

        .footer-brand p {
            max-width: 320px;
            color: var(--deep-muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col li {
            font-size: 15px;
            color: var(--deep-muted);
        }

        .footer-col li a {
            color: var(--deep-muted);
            font-size: 15px;
        }

        .footer-col li a:hover {
            color: var(--signal);
        }

        .footer-copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            padding: 24px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
            color: #798D84;
        }

        @media (max-width: 1024px) {
            :root {
                --section-pad: 72px;
            }
            .header-search {
                width: 160px;
            }
            .header-inner {
                gap: 10px;
            }
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 0 10px;
                font-size: 14px;
            }
            .btn-header {
                padding: 0 16px;
                font-size: 13px;
            }
            .cat-hero-inner {
                gap: 32px;
            }
            .suppor-bar,
            .footer-main {
                gap: 28px;
            }
        }

        @media (max-width: 900px) {
            .site-header {
                position: sticky;
            }
            .nav-toggle {
                display: inline-flex;
                order: 3;
            }
            .header-actions {
                order: 4;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                margin: 0;
                background: #FFFFFF;
                border-top: 1px solid var(--border);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 24px rgba(20, 40, 30, 0.08);
                padding: 10px 16px 18px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                z-index: 999;
            }

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

            .main-nav a {
                width: 100%;
                height: 48px;
                padding: 0 14px;
                border-radius: 10px;
                border-bottom: 1px solid #F0F3EE;
            }

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

            .main-nav a.active {
                background: rgba(11, 107, 79, 0.07);
                color: var(--primary);
            }

            .cat-hero-inner {
                grid-template-columns: 1fr;
            }

            .hero-quick-card {
                margin-top: 6px;
            }

            .step-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .step-item:nth-child(2),
            .step-item:nth-child(3) {
                margin-top: 0;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                padding: 56px 0 40px;
            }

            .support-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .support-actions {
                width: 100%;
            }

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

        @media (max-width: 700px) {
            .header-inner {
                min-height: 64px;
            }

            .header-search {
                display: none;
            }

            .main-nav {
                top: 64px;
            }

            .header-actions .btn-header {
                font-size: 13px;
                padding: 0 12px;
                min-height: 38px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --section-pad: 56px;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .cat-hero {
                padding: 48px 0 64px;
            }

            .cat-hero h1 {
                font-size: 34px;
            }

            .h1-accent {
                display: block;
                margin-left: 0;
                margin-top: 4px;
            }

            .cat-hero-lead {
                font-size: 16px;
            }

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

            .faq-item summary {
                padding: 18px 16px;
                gap: 12px;
            }

            .faq-q {
                font-size: 15px;
            }

            .faq-num {
                display: none;
            }

            .faq-answer {
                padding: 0 16px 20px 16px;
            }

            .faq-toggle {
                width: 28px;
                height: 28px;
            }

            .support-bar {
                padding: 30px 24px;
                border-radius: 16px;
            }

            .support-bar p {
                font-size: 15px;
            }

            .section-head-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .section-note {
                max-width: 100%;
            }

            .support-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .step-item {
                padding: 24px;
            }

            .step-thumb {
                height: 110px;
                margin: -24px -24px 20px -24px;
            }

            .final-cta .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 48px 0 24px;
            }

            .footer-copyright {
                flex-direction: column;
                align-items: flex-start;
            }
        }