/* roulang page: index */
:root{
  --brand:#0F7A6B;
  --brand-dark:#0B5E53;
  --brand-soft:rgba(15,122,107,.08);
  --accent:#F2A93B;
  --bg:#F7F8F7;
  --bg-tint:#F1F4F2;
  --surface:#FFFFFF;
  --ink:#1D2422;
  --muted:#5A6663;
  --line:#E3E7E5;
  --ok:#2E8B62;
  --warn:#C2543F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(29,36,34,.06), 0 8px 24px rgba(29,36,34,.06);
  --sh-2:0 12px 32px rgba(29,36,34,.12);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 基础布局 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.gx{margin-left:-14px;margin-right:-14px;}
.gx > .cell{padding-left:14px;padding-right:14px;}
.section{padding:92px 0;}
.section.white{background:var(--surface);}
.section.tint{background:var(--bg-tint);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;line-height:1.4;
}
.eyebrow i{font-size:11px;}
h2.section-title{font-size:clamp(23px,3vw,30px);margin:16px 0 14px;}
.section-desc{color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.button{
  font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 24px;margin:0;border-radius:var(--r-btn);
  border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  cursor:pointer;
}
.button.btn-primary{background:var(--brand);color:#fff;}
.button.btn-primary:hover,.button.btn-primary:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-1);}
.button.btn-primary:active{transform:translateY(0);box-shadow:none;}
.button.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.button.btn-outline:hover,.button.btn-outline:focus{background:var(--brand-soft);color:var(--brand-dark);}
.button.btn-outline:active{background:rgba(15,122,107,.14);}
.button.btn-accent{background:var(--accent);color:#23180a;}
.button.btn-accent:hover,.button.btn-accent:focus{background:#E29B29;color:#23180a;transform:translateY(-2px);}
.button.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.button.btn-ghost-light:hover,.button.btn-ghost-light:focus{background:rgba(255,255,255,.22);color:#fff;}
.button.btn-block{width:100%;justify-content:center;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(29,36,34,.06);background:#fff;}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;gap:2px;
  flex:0 0 32px;
}
.brand-mark i{display:block;width:3px;border-radius:2px;background:rgba(255,255,255,.9);}
.brand-mark i:nth-child(1){height:8px;}
.brand-mark i:nth-child(2){height:15px;background:var(--accent);}
.brand-mark i:nth-child(3){height:11px;}
.brand-text{font-size:18px;letter-spacing:.5px;}
.brand-text em{font-style:normal;color:var(--brand);}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:block;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  position:relative;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-actions .button{padding:10px 18px;font-size:14px;height:40px;}
.nav-toggle{
  display:none;width:42px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-btn);color:var(--ink);cursor:pointer;
  align-items:center;justify-content:center;font-size:16px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 78px;
  background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg, rgba(11,94,83,.88) 0%, rgba(15,122,107,.66) 62%, rgba(15,122,107,.58) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-copy{max-width:620px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;border-radius:999px;padding:7px 15px;
}
.hero h1{
  color:#fff;font-size:clamp(27px,4vw,42px);line-height:1.3;
  margin:20px 0 18px;font-weight:700;
}
.hero-lead{color:rgba(255,255,255,.9);font-size:16px;line-height:1.9;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:26px;border-top:1px solid rgba(255,255,255,.22);padding-top:22px;}
.hero-badges li{display:flex;flex-direction:column;gap:2px;}
.hero-badges b{font-size:22px;font-weight:700;color:#fff;line-height:1.2;}
.hero-badges span{font-size:13px;color:rgba(255,255,255,.78);}

/* Hero 前后对比面板 */
.compare-panel{
  background:#fff;border-radius:var(--r-card);padding:22px;
  box-shadow:0 18px 44px rgba(6,44,39,.28);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.compare-col{border-radius:12px;padding:16px;background:var(--bg);border:1px solid var(--line);}
.compare-col.after{background:#F2F8F6;border-color:rgba(15,122,107,.28);}
.compare-head{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--muted);margin-bottom:12px;
}
.compare-col.after .compare-head{color:var(--brand-dark);}
.compare-head .dot{width:8px;height:8px;border-radius:50%;background:#BFC7C4;flex:0 0 8px;}
.compare-col.after .compare-head .dot{background:var(--brand);}
.compare-col li{
  position:relative;padding-left:16px;font-size:13.5px;line-height:1.7;
  color:var(--muted);margin-bottom:9px;
}
.compare-col li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:#BFC7C4;}
.compare-col.after li{color:#2C3B37;}
.compare-col.after li::before{background:var(--accent);}
.compare-col li:last-child{margin-bottom:0;}

/* ---------- 痛点横条 ---------- */
.pain-list{display:grid;gap:16px;}
.pain-card{
  display:flex;align-items:flex-start;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.pain-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.pain-card h3{font-size:18px;margin-bottom:6px;}
.pain-card p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- 解决方案 5/7 分栏 ---------- */
.solution-left{padding-right:8px;}
.number-list{margin-top:26px;display:grid;gap:16px;}
.number-item{display:flex;gap:14px;align-items:flex-start;}
.number-item .num{
  flex:0 0 30px;width:30px;height:30px;border-radius:8px;background:var(--brand);
  color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.number-item h4{font-size:16px;margin-bottom:4px;}
.number-item p{font-size:14.5px;color:var(--muted);line-height:1.78;}
.solution-visual{position:relative;}
.solution-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);}
.float-tags{position:absolute;left:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:10px;}
.float-tag{
  background:rgba(255,255,255,.96);border-radius:999px;padding:7px 15px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  box-shadow:0 6px 18px rgba(29,36,34,.16);display:inline-flex;align-items:center;gap:7px;
}
.float-tag.warm{color:#8A5A0B;}
.float-tag i{font-size:11px;}

/* ---------- 方法步骤 时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:12px;}
.step{position:relative;padding:0 22px 0 0;}
.step .step-num{
  width:44px;height:44px;border-radius:12px;background:var(--surface);
  border:1px solid var(--line);color:var(--brand);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  position:relative;z-index:2;
}
.step::after{
  content:"";position:absolute;top:22px;left:44px;right:0;height:1px;
  background:linear-gradient(90deg,var(--line),rgba(227,231,229,.2));
}
.step:last-child::after{display:none;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.78;}

/* ---------- 成果数据 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:6px 28px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-size:clamp(30px,4vw,44px);font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:-.5px;}
.stat b small{font-size:16px;font-weight:600;margin-left:4px;color:var(--brand-dark);}
.stat span{display:block;margin-top:8px;font-size:14.5px;color:var(--muted);}

/* ---------- 客户证言 ---------- */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.voice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.voice-grid .voice-card:nth-child(even){margin-top:34px;}
.voice-card blockquote{margin:0 0 18px;font-size:15.5px;line-height:1.9;color:#2C3B37;}
.voice-meta{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;background:var(--brand);
}
.voice-meta .a1{background:#0F7A6B;}
.voice-meta .a2{background:#C98A2E;}
.voice-meta .a3{background:#4A7A9B;}
.voice-meta .a4{background:#7A6BA8;}
.voice-meta strong{display:block;font-size:15px;}
.voice-meta span{display:block;font-size:13px;color:var(--muted);}

/* ---------- 适用人群 描边卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;background:transparent;
  transition:border-color .18s ease,background-color .18s ease;
}
.scene-card:hover{border-color:var(--brand);background:#fff;}
.scene-card i{font-size:20px;color:var(--brand);margin-bottom:14px;display:block;}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.78;}

/* ---------- 资讯列表 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:flex;align-items:center;gap:22px;
  padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease,padding-left .18s ease;
}
.news-item:hover{background:#fff;padding-left:20px;}
.news-date{
  flex:0 0 70px;text-align:center;border-radius:10px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:700;padding:9px 0;line-height:1.3;
}
.news-body{flex:1;min-width:0;}
.news-body h3{font-size:16.5px;margin-bottom:5px;font-weight:600;}
.news-body p{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-arrow{flex:0 0 auto;color:var(--muted);font-size:14px;transition:transform .18s ease,color .18s ease;}
.news-item:hover .news-arrow{color:var(--brand);transform:translateX(4px);}
.news-more{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-weight:600;font-size:15px;}

/* ---------- 数据指标 ---------- */
.metric-row{display:grid;grid-template-columns:190px 1fr 78px;gap:20px;align-items:center;padding:18px 0;border-bottom:1px dashed var(--line);}
.metric-row:last-child{border-bottom:0;}
.metric-row .m-label{font-size:15px;font-weight:600;}
.metric-track{height:8px;border-radius:999px;background:#E7ECEA;overflow:hidden;}
.metric-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));}
.metric-row .m-val{text-align:right;font-size:16px;font-weight:700;color:var(--brand-dark);}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.cat-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;color:var(--ink);
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,107,.4);color:var(--ink);}
.cat-card .cat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.cat-card h3{font-size:19px;}
.cat-card .cat-arrow{color:var(--brand);font-size:14px;}
.cat-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:14px;}
.cat-card .cat-meta{display:flex;flex-wrap:wrap;gap:8px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  border-radius:999px;padding:4px 12px;background:var(--brand-soft);color:var(--brand-dark);
}
.pill.warm{background:rgba(242,169,59,.16);color:#8A5A0B;}
.pill.line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.cat-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px;}
.cat-mini a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:18px;color:var(--ink);transition:border-color .18s ease,transform .18s ease;
}
.cat-mini a:hover{border-color:var(--brand);transform:translateY(-3px);color:var(--ink);}
.cat-mini h4{font-size:15px;margin-bottom:6px;}
.cat-mini span{font-size:13px;color:var(--muted);}

/* ---------- 专题横滑轨 ---------- */
.topic-scroller{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.topic-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.topic-card .topic-body{padding:18px 20px 22px;}
.topic-card h3{font-size:16.5px;margin-bottom:8px;}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.72;margin-bottom:12px;}
.topic-scroller::-webkit-scrollbar{height:6px;}
.topic-scroller::-webkit-scrollbar-thumb{background:#D3DAD7;border-radius:999px;}

/* ---------- 清单编号长条 ---------- */
.check-list{display:grid;gap:12px;}
.check-item{
  display:flex;align-items:center;gap:16px;
  border:1px solid var(--line);border-radius:12px;padding:16px 20px;background:transparent;
  transition:border-color .18s ease,background-color .18s ease;
}
.check-item:hover{border-color:var(--brand);background:#fff;}
.check-item .idx{
  flex:0 0 32px;width:32px;height:32px;border-radius:8px;
  border:1px solid var(--line);color:var(--brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;background:#fff;
}
.check-item h4{font-size:15.5px;margin-bottom:2px;}
.check-item p{font-size:13.8px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-bottom:14px;overflow:hidden;
}
.accordion .accordion-title{
  font-size:16px;font-weight:600;color:var(--ink);
  padding:18px 54px 18px 22px;border:0;background:#fff;line-height:1.6;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:#F4F7F6;color:var(--brand-dark);}
.accordion .accordion-item.is-active .accordion-title{
  color:var(--brand-dark);border-left:3px solid var(--brand);padding-left:19px;
}
.accordion .accordion-title::before{
  right:20px;font-size:14px;color:var(--brand);
}
.accordion .accordion-content{
  border:0;background:#FBFCFB;padding:0 22px 20px 22px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- 更新日历时间轴 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--line);}
.timeline-item{position:relative;padding:0 0 26px 26px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline-item h4{font-size:16px;margin-bottom:6px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.timeline-item p{font-size:14.5px;color:var(--muted);line-height:1.78;}

/* ---------- 对比表 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14.8px;height:auto;border-bottom:1px solid var(--line);}
table.compare thead th{background:#F1F4F2;font-size:14px;font-weight:600;color:var(--muted);}
table.compare tbody tr:nth-child(even){background:#FAFBFB;}
table.compare tbody td:first-child{font-weight:600;}
table.compare tbody tr:last-child td{border-bottom:0;}

/* ---------- 末端 CTA ---------- */
.cta-band{background:var(--brand);color:#fff;border-radius:0;padding:66px 0;}
.cta-band h2{color:#fff;font-size:clamp(23px,3vw,30px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.85;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .button.btn-light{background:#fff;color:var(--brand-dark);}
.cta-band .button.btn-light:hover{background:#EAF3F1;color:var(--brand-dark);transform:translateY(-2px);}
.cta-note{margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.75);}

/* ---------- 页脚 ---------- */
.site-footer{background:#1D2422;color:#C9D1CE;padding:66px 0 26px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
.footer-about p{font-size:14px;line-height:1.85;color:#9AA5A2;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#9AA5A2;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8B9693;
}
.footer-bottom a{color:#8B9693;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:74px 0;}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:34px;}
  .step:nth-child(2)::after{display:none;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .cat-mini{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .gx{margin-left:-10px;margin-right:-10px;}
  .gx > .cell{padding-left:10px;padding-right:10px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(29,36,34,.1);
    max-height:0;overflow:hidden;transition:max-height .24s ease;
  }
  .main-nav.open{max-height:360px;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:10px 14px 16px;}
  .main-nav a{padding:12px 10px;border-radius:8px;font-size:15px;}
  .main-nav a.active::after{display:none;}
  .main-nav a.active{background:var(--brand-soft);}
  .nav-actions .button.btn-outline{display:none;}
  .hero{padding:62px 0 58px;}
  .hero-badges{gap:18px 26px;}
  .compare-panel{grid-template-columns:1fr;margin-top:32px;}
  .solution-visual{margin-top:30px;}
  .voice-grid{grid-template-columns:1fr;}
  .voice-grid .voice-card:nth-child(even){margin-top:0;}
  .cat-grid{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:1fr 60px;gap:10px 14px;}
  .metric-row .m-label{grid-column:1 / -1;}
  .cta-band{padding:52px 0;}
  .news-item{gap:14px;padding:18px 8px;}
  .news-date{flex:0 0 58px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .section{padding:58px 0;}
  .steps{grid-template-columns:1fr;}
  .step{padding-right:0;}
  .step::after{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .cat-mini{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;row-gap:22px;}
  .stat{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px;}
  .stat:first-child{border-top:0;padding-top:0;}
  .hero-actions .button{width:100%;justify-content:center;}
  .cta-actions .button{width:100%;justify-content:center;}
  .topic-card{flex:0 0 84%;}
  .pain-card{flex-direction:column;gap:14px;padding:20px;}
  .check-item{align-items:flex-start;}
}

/* roulang page: category1 */
:root{
 --brand:#0F7A6B;
 --brand-dark:#0B5E53;
 --brand-soft:rgba(15,122,107,.08);
 --accent:#F2A93B;
 --bg:#F7F8F7;
 --bg-tint:#F1F4F2;
 --surface:#FFFFFF;
 --ink:#1D2422;
 --muted:#5A6663;
 --line:#E3E7E5;
 --ok:#2E8B62;
 --warn:#C2543F;
 --r-card:14px;
 --r-btn:10px;
 --r-img:12px;
 --sh-1:0 1px 2px rgba(29,36,34,.06), 0 8px 24px rgba(29,36,34,.06);
 --sh-2:0 12px 32px rgba(29,36,34,.12);
 --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:92px 0;}
.section.white{background:var(--surface);}
.section.tint{background:var(--bg-tint);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand);
 background:var(--brand-soft);border-radius:999px;padding:6px 14px;line-height:1.4;
}
.eyebrow i{font-size:11px;}
h2.section-title{font-size:clamp(23px,3vw,30px);line-height:1.4;margin:16px 0 14px;font-weight:700;}
.section-desc{color:var(--muted);font-size:16px;line-height:1.85;}
/* ---------- 按钮 ---------- */
.button{
 font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;
 padding:12px 24px;margin:0;border-radius:var(--r-btn);border:1px solid transparent;
 display:inline-flex;align-items:center;gap:8px;cursor:pointer;
 transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.button.btn-primary{background:var(--brand);color:#fff;}
.button.btn-primary:hover,.button.btn-primary:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-1);}
.button.btn-primary:active{transform:translateY(0);box-shadow:none;}
.button.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.button.btn-outline:hover,.button.btn-outline:focus{background:var(--brand-soft);color:var(--brand-dark);}
.button.btn-outline:active{background:rgba(15,122,107,.14);}
.button.btn-accent{background:var(--accent);color:#23180a;}
.button.btn-accent:hover,.button.btn-accent:focus{background:#E29B29;color:#23180a;transform:translateY(-2px);}
.button.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.button.btn-ghost-light:hover,.button.btn-ghost-light:focus{background:rgba(255,255,255,.22);color:#fff;}
.button.btn-block{width:100%;justify-content:center;}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
 border-bottom:1px solid transparent;
 transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(29,36,34,.06);background:#fff;}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:32px;height:32px;border-radius:9px;background:var(--brand);
 display:inline-flex;align-items:center;justify-content:center;gap:2px;flex:0 0 32px;
}
.brand-mark i{display:block;width:3px;border-radius:2px;background:rgba(255,255,255,.9);}
.brand-mark i:nth-child(1){height:8px;}
.brand-mark i:nth-child(2){height:15px;background:var(--accent);}
.brand-mark i:nth-child(3){height:11px;}
.brand-text{font-size:18px;letter-spacing:.5px;}
.brand-text em{font-style:normal;color:var(--brand);}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
 display:block;padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;
 color:var(--muted);position:relative;
}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.main-nav a.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
 background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-actions .button{padding:10px 18px;font-size:14px;height:40px;}
.nav-toggle{
 display:none;width:42px;height:40px;border:1px solid var(--line);background:#fff;
 border-radius:var(--r-btn);color:var(--ink);cursor:pointer;
 align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand);}
/* ---------- 分类头部 ---------- */
.cat-head{
 position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#F1F4F2 100%);
 border-bottom:1px solid var(--line);padding:44px 0 52px;overflow:hidden;
}
.cat-head::after{
 content:"";position:absolute;right:-120px;top:-90px;width:380px;height:380px;
 background:var(--brand-soft);border-radius:50%;pointer-events:none;
}
.cat-head .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#B9C2BF;}
.crumb strong{color:var(--ink);font-weight:600;}
.cat-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center;}
.cat-head h1{font-size:clamp(25px,3.4vw,36px);line-height:1.35;font-weight:700;margin:0 0 16px;}
.cat-head h1 em{font-style:normal;color:var(--brand);}
.cat-intro{color:var(--muted);font-size:16px;line-height:1.9;max-width:600px;}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
 display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;
 color:var(--brand);background:var(--surface);border:1px solid var(--line);
 border-radius:999px;padding:7px 14px;line-height:1.4;
}
.chip i{font-size:12px;}
.cat-media{position:relative;}
.cat-media img{
 width:100%;height:264px;object-fit:cover;border-radius:var(--r-card);
 box-shadow:var(--sh-1);border:1px solid var(--line);
}
.cat-media .float-card{
 position:absolute;left:18px;bottom:-20px;background:#fff;border:1px solid var(--line);
 border-radius:12px;padding:12px 16px;box-shadow:var(--sh-1);display:flex;align-items:center;gap:10px;
}
.cat-media .float-card b{font-size:20px;color:var(--brand);line-height:1;}
.cat-media .float-card span{font-size:12px;color:var(--muted);}
/* ---------- 数据小结条 ---------- */
.fact-bar{
 display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);
 border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.fact{padding:22px 24px;border-right:1px solid var(--line);}
.fact:last-child{border-right:none;}
.fact b{display:block;font-size:26px;line-height:1.2;color:var(--ink);}
.fact b i{font-size:14px;font-style:normal;color:var(--muted);margin-left:4px;}
.fact span{font-size:13px;color:var(--muted);}
/* ---------- 筛选条 ---------- */
.filter-bar{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
 gap:14px;margin-bottom:26px;
}
.filter-group{display:flex;flex-wrap:wrap;gap:8px;}
.filter-btn{
 font-size:14px;font-weight:500;color:var(--muted);background:var(--surface);
 border:1px solid var(--line);border-radius:999px;padding:8px 18px;cursor:pointer;
 transition:all .18s ease;
}
.filter-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.filter-btn.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.filter-btn.is-active:hover{color:#fff;background:var(--brand-dark);}
.filter-tip{font-size:13px;color:var(--muted);}
/* ---------- 列表行 ---------- */
.res-list{border-top:1px solid var(--line);}
.res-row{
 display:grid;grid-template-columns:200px minmax(0,1fr) 132px;gap:22px;align-items:center;
 padding:22px 0;border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.res-row:hover{background:rgba(15,122,107,.035);}
.res-thumb{display:block;}
.res-thumb img{
 width:200px;height:113px;object-fit:cover;aspect-ratio:16/9;
 border:1px solid var(--line);border-radius:var(--r-img);
}
.res-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.res-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:10px;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.res-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
 font-size:12px;line-height:1.5;padding:3px 10px;border-radius:999px;
 background:var(--bg-tint);color:var(--muted);border:1px solid var(--line);
}
.tag.tag-ok{background:rgba(46,139,98,.1);color:var(--ok);border-color:rgba(46,139,98,.24);}
.tag.tag-new{background:rgba(242,169,59,.16);color:#8A5B0B;border-color:rgba(242,169,59,.4);}
.res-meta{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.res-meta .date{font-size:13px;color:var(--muted);}
.res-meta .state{font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 12px;}
/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap;}
.pager a,.pager span{
 min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
 border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);
 font-size:14px;padding:0 12px;transition:all .18s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.more-line{display:flex;justify-content:center;margin-top:20px;}
.more-link{
 display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
 color:var(--brand);border-bottom:1px solid rgba(15,122,107,.35);padding-bottom:2px;
}
.more-link:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
/* ---------- 要点卡 ---------- */
.point-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
 padding:26px 24px;height:100%;transition:all .18s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,122,107,.28);}
.point-icon{
 width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
 display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.point-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.point-card p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ---------- FAQ ---------- */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px;box-shadow:var(--sh-1);}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{border-bottom:1px solid var(--line);}
.accordion .accordion-item:last-child{border-bottom:none;}
.accordion .accordion-title{
 font-size:16px;font-weight:600;color:var(--ink);padding:22px 40px 22px 0;
 border:none;background:transparent;line-height:1.6;position:relative;
}
.accordion .accordion-title:hover{color:var(--brand);background:transparent;}
.accordion .accordion-title::before{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
 color:var(--brand);position:absolute;right:6px;top:24px;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand);}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.accordion .accordion-content{
 border:none;background:transparent;padding:0 40px 24px 16px;color:var(--muted);
 font-size:15px;line-height:1.85;position:relative;
}
.accordion .accordion-item.is-active .accordion-content::before{
 content:"";position:absolute;left:0;top:4px;bottom:24px;width:3px;border-radius:3px;background:var(--brand);
}
/* ---------- 相关专题 ---------- */
.topic-card{
 display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
 padding:22px;height:100%;transition:all .18s ease;color:var(--ink);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--ink);border-color:rgba(15,122,107,.3);}
.topic-card .topic-tag{font-size:12px;color:var(--accent);background:rgba(242,169,59,.14);border-radius:999px;padding:4px 10px;display:inline-block;margin-bottom:14px;}
.topic-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px;}
.topic-card .topic-go{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
/* ---------- 使用建议编号列表 ---------- */
.tip-list{border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);overflow:hidden;}
.tip-row{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;padding:22px 26px;border-bottom:1px solid var(--line);align-items:start;}
.tip-row:last-child{border-bottom:none;}
.tip-num{
 width:36px;height:36px;border-radius:8px;background:var(--bg-tint);border:1px solid var(--line);
 display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--brand);
}
.tip-row h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.tip-row p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ---------- CTA ---------- */
.cta-band{background:var(--brand);color:#fff;padding:64px 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.8vw,28px);line-height:1.4;color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-note{font-size:13px;color:rgba(255,255,255,.7);margin-top:14px;grid-column:1/-1;}
/* ---------- 页脚 ---------- */
.site-footer{background:#1D2422;color:rgba(255,255,255,.72);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}
.footer-about .brand{color:#fff;}
.footer-about .brand:hover{color:#fff;}
.footer-about .brand-text{color:#fff;}
.footer-about .brand-text em{color:var(--accent);}
.footer-about p{font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
 margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--accent);}
/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
 .cat-grid{grid-template-columns:1fr;gap:32px;}
 .cat-media img{height:230px;}
 .res-row{grid-template-columns:170px minmax(0,1fr) 118px;}
 .res-thumb img{width:170px;height:96px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
 .cta-grid{grid-template-columns:1fr;gap:24px;}
 .cta-actions{justify-content:flex-start;}
}
@media screen and (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .main-nav{
  display:none;position:absolute;left:0;right:0;top:72px;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(29,36,34,.08);
  padding:12px 24px 18px;
 }
 .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
 .main-nav a{padding:12px 14px;font-size:15px;}
 .main-nav a.active::after{display:none;}
 .site-header.nav-open .main-nav{display:block;}
 .nav-actions .btn-outline{display:none;}
 .section{padding:64px 0;}
}
@media screen and (max-width:768px){
 .fact-bar{grid-template-columns:1fr;}
 .fact{border-right:none;border-bottom:1px solid var(--line);}
 .fact:last-child{border-bottom:none;}
 .res-row{grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:flex-start;}
 .res-thumb img{width:120px;height:68px;}
 .res-meta{grid-column:2;flex-direction:row;justify-content:flex-start;align-items:center;}
 .faq-wrap{padding:4px 18px;}
 .accordion .accordion-content{padding-right:20px;}
 .tip-row{grid-template-columns:44px minmax(0,1fr);padding:20px 18px;gap:14px;}
}
@media screen and (max-width:520px){
 .container{padding:0 18px;}
 .cat-head{padding:30px 0 40px;}
 .cat-media img{height:190px;}
 .res-row{grid-template-columns:96px minmax(0,1fr);}
 .res-thumb img{width:96px;height:60px;}
 .res-body h3{font-size:16px;}
 .hero-actions .button,.cta-actions .button{width:100%;justify-content:center;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-band{padding:52px 0;}
}