/* roulang page: index */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --c-focus:#FF6A2B;
  --r-sm:8px;
  --r-md:10px;
  --r-card:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,21,18,.05),0 10px 28px -14px rgba(12,21,18,.22);
  --sh-card-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --sh-float:0 20px 48px -20px rgba(12,21,18,.35);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --w-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),text-decoration-color var(--ease);}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--w-container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.surface-2{background:var(--c-surface-2);}
.anchor-offset{scroll-margin-top:96px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--c-primary);position:relative;overflow:hidden;flex:0 0 36px;
}
.logo-mark::before{
  content:"";position:absolute;left:-6px;top:16px;width:48px;height:12px;
  border:3px solid rgba(255,255,255,.85);border-radius:50%;
}
.logo-mark::after{
  content:"";position:absolute;right:5px;top:6px;width:9px;height:9px;border-radius:50%;
  background:var(--c-accent);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;}
.main-nav ul{display:flex;align-items:center;gap:22px;}
.main-nav a{
  position:relative;display:inline-block;font-size:15px;color:var(--c-text);
  padding:6px 0;text-decoration:none;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{font-weight:700;color:var(--c-primary-deep);}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  position:relative;display:flex;align-items:center;gap:8px;
  height:40px;width:210px;padding:0 10px 0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{width:300px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.search-box svg{flex:0 0 16px;color:var(--c-text-2);}
.search-box input{
  border:none;outline:none;background:transparent;width:100%;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:#9AA6A1;}
.search-box kbd{
  flex:0 0 auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11px;line-height:1;padding:5px 7px;border-radius:6px;
  background:var(--c-surface-2);border:1px solid var(--c-line);color:var(--c-text-2);
}
.icon-btn{
  width:36px;height:36px;border-radius:var(--r-sm);display:inline-flex;
  align-items:center;justify-content:center;color:var(--c-text);transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;text-decoration:none;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-accent);color:#fff;padding:0 20px;height:40px;font-size:15px;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(228,86,26,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary-deep);border:1px solid var(--c-primary);padding:0 20px;height:40px;font-size:15px;}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-lg{height:50px;font-size:16px;padding:0 28px;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-sm);color:var(--c-ink);align-items:center;justify-content:center;}
.nav-toggle:hover{background:var(--c-primary-soft);}
.mobile-drawer{
  display:none;position:fixed;inset:60px 0 0 0;z-index:75;background:#fff;
  padding:20px 20px 96px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a.m-link{
  display:block;font-size:18px;font-weight:600;color:var(--c-ink);
  padding:16px 4px;border-bottom:1px solid var(--c-line);text-decoration:none;
}
.mobile-drawer a.m-link.is-active{color:var(--c-primary);}
.mobile-drawer .m-cta{position:fixed;left:0;right:0;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--c-line);}
.mobile-drawer .m-cta .btn{width:100%;height:48px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:60;background:rgba(245,243,238,.94);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line);
}
.anchor-bar ul{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-bar ul::-webkit-scrollbar{display:none;}
.anchor-bar a{
  display:inline-block;padding:7px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-text-2);background:#fff;border:1px solid var(--c-line);
  text-decoration:none;white-space:nowrap;transition:all var(--ease);
}
.anchor-bar a:hover{color:var(--c-primary-deep);border-color:var(--c-primary);}
.anchor-bar a.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--c-bg);
  padding:84px 0 96px;
}
.hero::after{
  content:"";position:absolute;right:-60px;top:-20px;width:520px;height:420px;opacity:.07;
  background-image:radial-gradient(circle at 2px 2px,var(--c-primary) 2px,transparent 0);
  background-size:26px 26px;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1;}
.eyebrow{
  font-size:13px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block;}
h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;align-items:center;gap:26px;margin-top:44px;flex-wrap:wrap;}
.metric{display:flex;flex-direction:column;}
.metric b{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.02em;}
.metric span{font-size:13px;color:var(--c-text-2);margin-top:4px;}
.metric-div{width:1px;height:38px;background:var(--c-line);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);background:linear-gradient(140deg,var(--c-primary),#F5F3EE);
}
.hero-visual img.is-fallback{opacity:0;}
.score-card{
  position:absolute;right:-24px;bottom:-28px;width:240px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:16px 18px;display:flex;gap:12px;align-items:flex-start;
}
.score-card::before{content:"";width:4px;align-self:stretch;border-radius:4px;background:var(--c-accent);}
.score-card .sc-title{font-size:13px;color:var(--c-text-2);}
.score-card .sc-value{font-size:20px;font-weight:700;color:var(--c-ink);}
.score-card .sc-line{font-size:13px;color:var(--c-text-2);margin-top:8px;}

/* ---------- 板块标题 ---------- */
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--c-ink);position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-text-2);}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more svg{transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(3px);}

/* ---------- Bento 卖点 ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-primary-soft);}
.bento-card.span3{grid-column:span 3;}
.bento-card.span2{grid-column:span 2;}
.bento-card.span4{grid-column:span 4;}
.bento-card.wide{flex-direction:row;gap:24px;align-items:center;}
.bento-card.wide img{
  width:220px;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);flex:0 0 220px;border:1px solid var(--c-line);
}
.bento-icon{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;
}
.bento-card h3{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.bento-card p{font-size:14px;line-height:1.75;color:var(--c-text-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{font-size:12px;padding:4px 10px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep);}
.tag--lime{background:rgba(200,240,78,.35);color:#3E5A10;}

/* ---------- 流程演示 ---------- */
.demo-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.steps{display:flex;flex-direction:column;gap:12px;}
.step-btn{
  display:flex;gap:16px;align-items:flex-start;text-align:left;width:100%;
  padding:18px 20px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);transition:all var(--ease);
}
.step-btn:hover{border-color:var(--c-primary);transform:translateY(-2px);}
.step-btn .step-no{font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.06em;font-variant-numeric:tabular-nums;}
.step-btn h3{font-size:17px;font-weight:600;color:var(--c-ink);}
.step-btn p{font-size:14px;color:var(--c-text-2);margin-top:6px;line-height:1.7;}
.step-btn.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);}
.step-btn.is-active .step-no{color:var(--c-accent);}
.demo-visual{position:relative;}
.demo-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  box-shadow:var(--sh-float);transition:transform var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);}

/* ---------- 深色证据带 ---------- */
.proof{background:var(--c-ink);color:#fff;border-radius:var(--r-xl);padding:72px 0;margin:0 auto;}
.proof .sec-head h2{color:#fff;}
.proof .sec-head p{color:rgba(255,255,255,.66);}
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.proof-stat b{display:block;font-size:36px;font-weight:700;line-height:1.15;color:var(--c-lime);letter-spacing:-.02em;}
.proof-stat span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.66);}
.logo-wall{display:flex;flex-wrap:wrap;gap:14px;padding-top:36px;}
.logo-wall span{
  font-size:14px;padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.6);filter:grayscale(60%);transition:all var(--ease);
}
.logo-wall span:hover{filter:none;color:#fff;background:rgba(255,255,255,.12);}

/* ---------- 资讯 CMS ---------- */
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-bottom:24px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-primary-soft);}
.card:hover h3{color:var(--c-primary);}
.card-img{overflow:hidden;background:linear-gradient(140deg,var(--c-primary),#F5F3EE);}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-img img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--c-ink);transition:color var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card p{font-size:14px;line-height:1.75;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-2);margin-top:auto;}
.badge{font-size:12px;padding:4px 10px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep);}
.read-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.read-more svg{transition:transform var(--ease);}
.card:hover .read-more svg{transform:translateX(3px);}
.card--hero{display:grid;grid-template-columns:7fr 5fr;}
.card--hero .card-img img{height:100%;aspect-ratio:auto;min-height:280px;}
.card--hero .card-body{padding:30px;gap:14px;}
.card--hero h3{font-size:24px;-webkit-line-clamp:3;}
.card--hero p{font-size:15px;-webkit-line-clamp:3;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-2);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.empty-state p{font-size:15px;margin-bottom:18px;}
.pager-strip{
  margin-top:32px;display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:14px;color:var(--c-text-2);
}
.pager-strip .pg{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;color:var(--c-text);transition:all var(--ease);}
.pager-strip .pg:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pager-strip .pg.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.price-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);gap:18px;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.price-card.is-featured{border:2px solid var(--c-accent);transform:translateY(-8px);}
.price-card.is-featured:hover{transform:translateY(-12px);}
.price-flag{
  position:absolute;top:-13px;left:32px;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
}
.price-card h3{font-size:20px;font-weight:700;color:var(--c-ink);}
.price-card .price-desc{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.price-num{font-size:32px;font-weight:700;color:var(--c-primary);letter-spacing:-.02em;}
.price-num small{font-size:14px;font-weight:500;color:var(--c-text-2);margin-left:6px;}
.price-list{display:flex;flex-direction:column;gap:12px;}
.price-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text);line-height:1.7;}
.price-list li::before{
  content:"";flex:0 0 18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--c-primary-soft);border:1px solid var(--c-primary);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230F5C46' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}
.price-card .btn{width:100%;margin-top:auto;}
.price-wide{
  grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--c-primary-soft);border:1px solid var(--c-primary);border-radius:var(--r-card);padding:30px 32px;
}
.price-wide h3{font-size:20px;font-weight:700;color:var(--c-primary-deep);}
.price-wide p{font-size:14px;color:var(--c-text-2);margin-top:8px;max-width:640px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:120px;}
.faq-side h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--c-ink);position:relative;padding-left:16px;}
.faq-side h2::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.faq-side p{margin-top:16px;font-size:15px;color:var(--c-text-2);line-height:1.8;}
.faq-side .btn{margin-top:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color var(--ease),background var(--ease);}
.faq-item.is-open{background:var(--c-surface-2);border-color:var(--c-primary-soft);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-icon{position:relative;flex:0 0 18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;transition:transform var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-primary-deep);color:#fff;border-radius:var(--r-xl);
  padding:64px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  border:36px solid rgba(255,255,255,.05);
}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.35;position:relative;z-index:1;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.7);max-width:600px;position:relative;z-index:1;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 咨询表单 ---------- */
.consult{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-card);}
.consult h3{font-size:20px;font-weight:700;color:var(--c-ink);}
.consult p.consult-desc{font-size:14px;color:var(--c-text-2);margin-top:8px;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--c-text);display:flex;align-items:center;gap:6px;}
.field label .req{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);font-size:15px;color:var(--c-text);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C7D2CC;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.form-hint{font-size:13px;color:var(--c-text-2);margin-top:14px;}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);color:rgba(255,255,255,.72);
  border-top-left-radius:var(--r-xl);border-top-right-radius:var(--r-xl);
  margin-top:96px;padding:64px 0 32px;
}
.footer-top{display:grid;grid-template-columns:4fr 8fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.62);}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;transition:background var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px);text-decoration:none;}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.footer-links h4{font-size:14px;font-weight:600;color:#FFF;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.66);display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(-2px);text-decoration:none;}
.footer-bottom{
  padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  background:var(--c-accent);color:#fff;font-weight:600;border-radius:var(--r-pill);
  box-shadow:var(--sh-float);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .search-box{width:180px;}
  .search-box:focus-within{width:240px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .icon-btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-visual{max-width:640px;}
  .bento-card.span3,.bento-card.span4{grid-column:span 6;}
  .bento-card.span2{grid-column:span 3;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .proof-stats{grid-template-columns:repeat(2,1fr);gap:32px;}
  .news-layout{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  h1{font-size:30px;}
  .sec-head h2,.faq-side h2,.cta-band h2{font-size:24px;}
  .sec-head{margin-bottom:32px;}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
  .anchor-bar{top:60px;}
  .nav-inner{height:60px;gap:12px;}
  .hero{padding:56px 0 72px;}
  .hero-metrics{gap:18px;}
  .hero-visual img{aspect-ratio:16/10;}
  .score-card{position:static;width:100%;margin-top:16px;}
  .bento-card.span2{grid-column:span 6;}
  .bento-card.wide{flex-direction:column;align-items:flex-start;}
  .bento-card.wide img{width:100%;flex:none;}
  .news-grid{grid-template-columns:1fr;}
  .card--hero{grid-template-columns:1fr;}
  .card--hero .card-img img{min-height:200px;aspect-ratio:16/9;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-4px);}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;border-radius:var(--r-lg);}
  .proof{border-radius:var(--r-lg);padding:56px 0;}
  .proof-stats{padding-bottom:32px;}
  .footer-links{grid-template-columns:repeat(2,1fr);gap:24px;}
  .site-footer{margin-top:72px;padding:48px 0 28px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:14px 14px 0 0;height:56px;
    justify-content:center;padding:0 18px calc(env(safe-area-inset-bottom));
  }
  .float-cta.is-near-footer{opacity:0;visibility:hidden;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .metric b{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .search-box:focus-within{width:200px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --c-focus:#FF6A2B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,21,18,.05),0 10px 28px -14px rgba(12,21,18,.22);
  --sh-card-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --sh-float:0 20px 48px -20px rgba(12,21,18,.35);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),text-underline-offset var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
.logo:hover{text-decoration:none;color:var(--c-primary)}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:
    radial-gradient(circle at 72% 26%,var(--c-accent) 0 4px,transparent 4.5px),
    linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 7px;
  border:1.6px solid rgba(255,255,255,.85);
  border-radius:50% 50% 48% 52%/60% 55% 45% 40%;
  border-left-color:transparent;
}
.logo-text{font-size:17px;white-space:nowrap}
.main-nav{margin-left:8px}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--c-text);position:relative;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.main-nav a:hover{color:var(--c-primary);text-decoration:none}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 10px 0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-text-2);transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{width:320px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:#98A5A0}
.search-box kbd{
  font-size:11px;color:var(--c-text-2);background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--c-text);transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;color:var(--c-ink)}
.nav-toggle:hover{background:var(--c-primary-soft)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--c-accent-hover);box-shadow:0 14px 28px -14px rgba(255,106,43,.95)}
.btn-outline{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-ghost{background:var(--c-surface);color:var(--c-text);border:1px solid var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-block{width:100%}

/* ---------- breadcrumb ---------- */
.article-main{padding:32px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-text-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B6C1BC}
.breadcrumb .current{color:var(--c-ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{max-width:860px}
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;line-height:1.6;
}
.article-hero h1{
  margin-top:14px;
  font-size:36px;line-height:1.3;letter-spacing:-.02em;
  min-height:48px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13px;color:var(--c-text-2);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C3CDC8}
.article-cover{
  margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
  aspect-ratio:16/9;background:linear-gradient(135deg,#0F5C46 0%,#F5F3EE 100%);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;
  margin-top:44px;align-items:start;
}
.article-content{
  max-width:760px;min-width:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--sh-card);
}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;margin:64px 0 20px;padding-left:16px;
  font-size:30px;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{margin:36px 0 12px;font-size:20px;line-height:1.5;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;line-height:1.9}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:li;line-height:1.9}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.45em;
  width:20px;height:20px;border-radius:50%;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--c-surface-2);
  border-left:3px solid var(--c-accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-card)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.article-body tbody tr:nth-child(even){background:var(--c-surface-2)}
.article-body pre{
  margin:24px 0;padding:18px 20px;background:#F2F5F1;border:1px solid var(--c-line);
  border-radius:var(--r-sm);overflow:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:#F2F5F1;border-radius:6px;padding:2px 6px;
}
.article-body pre code{background:none;padding:0}
.article-body strong{color:var(--c-ink)}

/* ---------- tags / nav / related ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);transition:all var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.pager-card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-primary-soft);text-decoration:none}
.pager-card .k{font-size:12px;color:var(--c-text-2)}
.pager-card .t{font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.6}
.pager-card.right{text-align:right}

.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-card);
}
.side-card + .side-card{margin-top:18px}
.side-card h3{font-size:15px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.toc-list li{margin-bottom:4px}
.toc-list a{
  display:block;padding:6px 0 6px 12px;border-left:2px solid var(--c-line);
  font-size:14px;line-height:1.6;color:var(--c-text-2);transition:all var(--ease);
}
.toc-list a:hover,.toc-list a.is-current{border-left-color:var(--c-accent);color:var(--c-primary);text-decoration:none}
.side-links li{margin-bottom:12px}
.side-links a{display:block}
.side-links .t{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.6}
.side-links a:hover .t{color:var(--c-primary)}
.side-links .m{font-size:12px;color:var(--c-text-2);margin-top:2px}
.side-cta{margin-top:18px}

.related{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{position:relative;padding-left:16px;font-size:26px;line-height:1.35}
.section-head h2::before{content:"";position:absolute;left:0;top:.26em;width:4px;height:20px;border-radius:2px;background:var(--c-primary)}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--c-text-2)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mini-card{
  display:flex;flex-direction:column;gap:10px;
  padding:20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-primary-soft);text-decoration:none}
.mini-card .t{font-size:16px;font-weight:700;line-height:1.55;color:var(--c-ink)}
.mini-card:hover .t{color:var(--c-primary)}
.mini-card .d{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.mini-card .m{font-size:13px;color:var(--c-text-2);margin-top:auto}
.mini-card .more{font-size:14px;font-weight:600;color:var(--c-accent);display:inline-flex;align-items:center;gap:6px}
.mini-card:hover .more svg{transform:translateX(3px)}
.mini-card .more svg{transition:transform var(--ease)}

.back-actions{display:flex;flex-wrap:wrap;gap:14px;margin:44px 0 0}

/* ---------- empty ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{margin:0 0 20px;color:var(--c-text-2);font-size:15px}

/* ---------- consult band ---------- */
.consult{
  margin-top:72px;padding:56px 0;border-radius:var(--r-xl);
  background:linear-gradient(150deg,var(--c-primary-deep) 0%,var(--c-primary) 100%);
  color:#fff;
}
.consult .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.consult h2{color:#fff;font-size:28px;line-height:1.4}
.consult p{margin:14px 0 0;color:rgba(255,255,255,.78);font-size:15px;line-height:1.85;max-width:520px}
.consult-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-lg);padding:24px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#fff}
.field label .req{color:var(--c-lime);margin-left:4px}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.95);
  color:var(--c-ink);outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:#98A5A0}
.field input:focus,.field select:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,106,43,.28)}
.hint{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:10px}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 16px 34px -16px rgba(255,106,43,.95);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),background var(--ease),visibility var(--ease);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--c-accent-hover);transform:translateY(-2px);text-decoration:none}
.float-cta .close{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.22);color:#fff;flex:0 0 22px;
}
.float-cta .close:hover{background:rgba(255,255,255,.34)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;background:var(--c-ink);color:rgba(255,255,255,.72);
  border-radius:var(--r-xl) var(--r-xl) 0 0;padding:64px 0 28px;
}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .logo{color:#fff}
.site-footer .logo:hover{color:var(--c-lime);text-decoration:none}
.footer-brand p{margin:16px 0 20px;font-size:14px;line-height:1.8;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);transition:all var(--ease);
}
.footer-social a:hover{background:var(--c-primary);color:#fff;text-decoration:none;transform:translateY(-2px)}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.footer-links h4{color:rgba(255,255,255,.78);font-size:14px;font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.62);font-size:14px;display:inline-block;transition:all var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .side-card + .side-card{margin-top:0}
  .article-content{padding:32px 28px;max-width:none}
  .consult .inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:980px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{width:180px}
  .search-box:focus-within{width:220px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-hero h1{font-size:28px;min-height:40px}
  .article-body{font-size:17px}
  .article-body h2{font-size:24px;margin-top:44px;margin-bottom:16px}
  .article-cover{border-radius:var(--r-md)}
  .article-side{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-card.right{text-align:left}
  .footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}
  .consult{padding:40px 0;border-radius:var(--r-lg)}
  .consult h2{font-size:23px}
  .float-cta{
    left:12px;right:12px;bottom:0;height:56px;justify-content:center;
    border-radius:14px 14px 0 0;padding:0 16px 0 20px;
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .float-cta.is-hide{opacity:0;transform:translateY(100%)}
}
@media (max-width:520px){
  .search-box{display:none}
  .icon-btn{display:none}
  .article-main{padding-top:22px}
  .article-content{padding:24px 18px;border-radius:var(--r-md)}
  .article-hero h1{font-size:24px;line-height:1.35}
  .meta-row{font-size:12.5px;gap:8px}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-links{grid-template-columns:1fr}
  .back-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --c-focus:#FF6A2B;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(12,21,18,.05),0 10px 28px -14px rgba(12,21,18,.22);
  --shadow-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --shadow-pop:0 20px 48px -20px rgba(12,21,18,.35);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),text-decoration-color var(--ease);}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--c-surface-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  font-size:13px;line-height:1.4;letter-spacing:.08em;color:var(--c-primary);
  font-weight:600;margin-bottom:14px;text-transform:none;
}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;line-height:1.35;position:relative;padding-bottom:16px;}
h2::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--c-accent);border-radius:2px;}
h3{font-size:20px;line-height:1.5;}
.lead{font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:640px;}
.muted{color:var(--c-text-2);font-size:14px;line-height:1.7;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;position:relative;
  background:linear-gradient(140deg,#0F5C46,#0A3F30);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.logo-mark::before{
  content:"";position:absolute;left:8px;top:11px;width:18px;height:12px;
  border:2px solid var(--c-accent);border-bottom:0;
  border-radius:60% 60% 0 0/80% 80% 0 0;
}
.logo-mark::after{
  content:"";position:absolute;right:7px;bottom:8px;width:6px;height:6px;border-radius:50%;
  background:var(--c-lime);
}
.logo-text{font-weight:700;font-size:17px;color:var(--c-ink);letter-spacing:-.01em;}
.main-nav{margin-left:8px;}
.main-nav ul{display:flex;align-items:center;gap:24px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--c-text);font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--c-accent);transition:right var(--ease);
}
.main-nav a:hover{color:var(--c-primary);text-decoration:none;}
.main-nav a:hover::after{right:0;}
.main-nav a.is-active{color:var(--c-primary-deep);font-weight:700;}
.main-nav a.is-active::after{right:0;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;width:190px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-text-2);transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box input{
  border:0;outline:none;background:transparent;flex:1;min-width:0;
  font-size:14px;color:var(--c-ink);
}
.search-box input::placeholder{color:#9AA6A1;}
.search-box kbd{
  font-size:11px;color:var(--c-text-2);background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.search-box:focus-within{width:320px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--c-text);transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.85);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);text-decoration:none;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary-deep);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none;transform:translateY(-2px);}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;color:var(--c-ink);}
.nav-toggle:hover{background:var(--c-primary-soft);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;font-size:14px;color:var(--c-text-2);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B3BDB8;}
.breadcrumb [aria-current]{color:var(--c-ink);font-weight:600;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-40px;width:520px;height:420px;
  background:
    repeating-linear-gradient(115deg,rgba(15,92,70,.07) 0 1px,transparent 1px 26px);
  border-radius:50%;
  opacity:.9;pointer-events:none;
}
.page-hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:44px 0 56px;min-height:340px;
}
.page-hero h1{font-size:36px;line-height:1.28;margin-bottom:16px;}
.page-hero .lead{margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;}
.hero-stat{padding:0 22px;border-left:1px solid var(--c-line);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat b{
  display:block;font-size:26px;line-height:1.2;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.hero-stat span{font-size:13px;color:var(--c-text-2);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--shadow-card);
  background:linear-gradient(160deg,var(--c-primary),#2C7A5E 55%,#F5F3EE);
}
.hero-chip{
  position:absolute;right:-14px;bottom:-22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-pop);padding:14px 18px 14px 20px;min-width:200px;
}
.hero-chip::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--c-accent);
}
.hero-chip strong{display:block;font-size:16px;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.hero-chip em{font-style:normal;font-size:13px;color:var(--c-text-2);}

/* ============ 对比表 ============ */
.table-scroll{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--shadow-card);
}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
table.compare caption{
  text-align:left;padding:18px 22px 14px;font-size:15px;color:var(--c-text-2);
}
table.compare thead th{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:14px;font-weight:700;text-align:left;padding:14px 22px;
  border-bottom:1px solid var(--c-line);white-space:nowrap;
}
table.compare td{
  padding:14px 22px;border-bottom:1px solid var(--c-line);vertical-align:top;color:var(--c-text);
}
table.compare tbody tr:nth-child(even){background:var(--c-surface-2);}
table.compare tbody tr:hover{background:var(--c-primary-soft);}
table.compare th[scope="row"]{font-weight:700;color:var(--c-ink);white-space:nowrap;}
table.compare tbody tr:last-child td{border-bottom:0;}
.table-note{margin-top:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 10px;
}
.badge-accent{background:rgba(255,106,43,.12);color:var(--c-accent-hover);}
.badge-lime{background:rgba(200,240,78,.35);color:#4A6B12;}

/* ============ 横向行卡 ============ */
.row-list{display:flex;flex-direction:column;gap:18px;margin-top:8px;}
.row-card{
  display:grid;grid-template-columns:160px 1fr auto;gap:24px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-soft);}
.row-card img{
  width:160px;height:104px;object-fit:cover;border-radius:var(--r-card);
  background:linear-gradient(150deg,var(--c-primary-soft),#EFEDE6);
}
.row-card-body h3{font-size:18px;line-height:1.5;margin-bottom:8px;}
.row-card:hover h3{color:var(--c-primary);}
.row-card-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0 0 10px;}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;}
.row-card-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary);white-space:nowrap;
}
.row-card-link svg{transition:transform var(--ease);}
.row-card:hover .row-card-link svg{transform:translateX(3px);}
.row-card-link:hover{text-decoration:none;color:var(--c-accent);}

/* ============ 维度说明（双列定义） ============ */
.dim-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 40px;margin-top:8px;}
.dim-item{
  display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:baseline;
  padding:16px 0;border-bottom:1px dashed var(--c-line);
}
.dim-item dt{font-weight:700;color:var(--c-ink);font-size:16px;}
.dim-item dd{margin:0;font-size:15px;line-height:1.8;color:var(--c-text-2);}
.dim-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow-card);
}
.dim-side h3{margin-bottom:12px;}
.dim-side ul{display:flex;flex-direction:column;gap:12px;}
.dim-side li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text);}
.dim-side li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;background:var(--c-primary);
}
.dim-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{margin-bottom:18px;}
.faq-aside .lead{margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:760px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{background:var(--c-surface-2);border-color:var(--c-primary-soft);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;
}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px;}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;transition:opacity var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text);}
.faq-body p:last-child{margin-bottom:0;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-ink);color:#fff;border-radius:var(--r-lg);
  padding:56px 48px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,106,43,.28),transparent 62%);
}
.cta-band h2{color:#fff;position:relative;padding-bottom:0;}
.cta-band h2::after{display:none;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:14px 0 0;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.cta-inner{position:relative;z-index:1;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  background:var(--c-accent);color:#fff;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  box-shadow:0 18px 34px -16px rgba(255,106,43,.9);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),background var(--ease),visibility var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);text-decoration:none;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:96px;border-radius:24px 24px 0 0;}
.footer-top{
  display:grid;grid-template-columns:1.1fr 1.9fr;gap:56px;
  padding:64px 0 44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;margin:16px 0 20px;max-width:320px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:rgba(255,255,255,.8);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--c-accent);color:#fff;transform:translateY(-2px);text-decoration:none;}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;}
.footer-links h4{color:#F2F0EA;font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-links ul{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  color:rgba(255,255,255,.66);font-size:14px;
  transition:color var(--ease),transform var(--ease);display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .search-box{width:160px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{width:150px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding:36px 0 48px;}
  .hero-chip{position:static;margin-top:16px;display:inline-block;}
  .hero-chip::before{display:none;}
  .dim-layout{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dim-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-top{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  h1{font-size:28px;}
  h2{font-size:24px;margin-bottom:0;}
  .page-hero h1{font-size:26px;}
  .search-box{display:none;}
  .row-card{grid-template-columns:1fr;gap:16px;}
  .row-card img{width:100%;height:180px;}
  .row-card-link{justify-self:start;}
  .steps{grid-template-columns:1fr;}
  .dim-item{grid-template-columns:1fr;gap:6px;}
  .footer-links{grid-template-columns:1fr 1fr;}
  .float-cta{
    left:12px;right:12px;bottom:12px;height:52px;justify-content:center;
    border-radius:14px;padding-bottom:env(safe-area-inset-bottom,0);
  }
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .hero-stats{gap:14px;}
  .hero-stat{border-left:0;padding:0;}
  .hero-actions .btn{width:100%;}
  .footer-links{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;}
}

/* 移动端抽屉导航 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-surface);
  display:none;flex-direction:column;padding:20px 20px 0;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);}
.drawer-close:hover{background:var(--c-primary-soft);}
.mobile-drawer nav ul{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer nav a{
  display:block;padding:14px 8px;font-size:18px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer nav a:hover,.mobile-drawer nav a.is-active{color:var(--c-primary);text-decoration:none;}
.drawer-cta{margin-top:auto;padding:20px 0 28px;}
.drawer-cta .btn{width:100%;height:50px;}

/* roulang page: category1 */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --c-focus:#FF6A2B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,21,18,.05), 0 10px 28px -14px rgba(12,21,18,.22);
  --sh-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --sh-pop:0 20px 48px -20px rgba(12,21,18,.35);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font:16px/1.8 "PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr),text-underline-offset var(--tr);}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:transform var(--tr),background var(--tr),box-shadow var(--tr),border-color var(--tr),color var(--tr);
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.85);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;box-shadow:0 16px 30px -14px rgba(255,106,43,.9);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-light{background:#fff;color:var(--c-primary-deep);}
.btn-light:hover{background:var(--c-primary-soft);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12px;font-weight:600;line-height:1.6;border:1px solid rgba(15,92,70,.12);
}
.badge-lime{background:rgba(200,240,78,.24);color:#3D5209;border-color:rgba(200,240,78,.5);}
.eyebrow{
  font-size:13px;line-height:1.4;letter-spacing:.08em;color:var(--c-primary);
  font-weight:700;text-transform:uppercase;margin-bottom:14px;display:block;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;}
.tag-list span{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:var(--c-primary);position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;right:-8px;bottom:-8px;width:22px;height:22px;border-radius:50%;
  background:var(--c-accent);
}
.logo-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.main-nav{margin-right:auto;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--c-text);font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.main-nav a:hover{color:var(--c-primary);text-decoration:none;}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary-deep);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;width:210px;padding:0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-text-2);transition:width var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.search-box:focus-within{width:300px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:#9AA6A1;}
.search-box kbd{
  font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--c-text-2);background:var(--c-surface-2);border:1px solid var(--c-line);
  border-radius:6px;padding:4px 6px;
}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--c-text-2);transition:background var(--tr),color var(--tr);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none;}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;color:var(--c-ink);}
.nav-toggle:hover{background:var(--c-primary-soft);}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:#A9B4AF;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:34px 0 8px;}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.cat-hero h1{font-size:36px;line-height:1.32;letter-spacing:-.015em;}
.cat-hero .lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-text-2);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-card);position:relative;
}
.hero-note::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:0 4px 4px 0;background:var(--c-accent);}
.hero-note h3{font-size:16px;margin-bottom:12px;padding-left:14px;}
.hero-note ul{padding-left:14px;}
.hero-note li{position:relative;padding-left:16px;font-size:14px;line-height:1.75;color:var(--c-text-2);margin-bottom:10px;}
.hero-note li:last-child{margin-bottom:0;}
.hero-note li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--c-primary);}

/* ---------- 全宽大图 ---------- */
.hero-visual{padding:40px 0 8px;}
.hero-visual figure{
  margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-card);position:relative;background:var(--c-primary-soft);
}
.hero-visual img{width:100%;aspect-ratio:21/8;object-fit:cover;}
.hero-visual figcaption{
  position:absolute;left:24px;bottom:20px;max-width:520px;
  background:rgba(12,21,18,.72);color:#fff;border-radius:var(--r-md);
  padding:12px 16px;font-size:13px;line-height:1.7;
}

/* ---------- 双列图文 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.two-col{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.side-sticky{position:sticky;top:calc(var(--nav-h) + 28px);}
.side-sticky h2{font-size:24px;line-height:1.4;padding-left:14px;position:relative;margin-bottom:14px;}
.side-sticky h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.side-list{margin-top:22px;border-left:2px solid var(--c-line);}
.side-list a{
  display:block;padding:9px 0 9px 16px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;margin-left:-2px;transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.side-list a:hover{color:var(--c-primary-deep);border-left-color:var(--c-accent);background:var(--c-surface-2);text-decoration:none;}
.side-tip{
  margin-top:26px;padding:16px 18px;border-radius:var(--r-md);
  background:var(--c-surface-2);border:1px dashed var(--c-line);
  font-size:13px;line-height:1.75;color:var(--c-text-2);
}
.article-body{max-width:760px;}
.article-body h3{
  font-size:20px;line-height:1.5;margin:44px 0 14px;padding-left:14px;position:relative;
}
.article-body h3:first-child{margin-top:0;}
.article-body h3::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:18px;border-radius:2px;background:var(--c-primary);
}
.article-body p{font-size:17px;line-height:1.9;color:var(--c-text);margin-bottom:1.4em;}
.article-body ul{margin:0 0 1.6em;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:12px;font-size:16px;line-height:1.9;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}
.callout{
  border-left:3px solid var(--c-accent);background:var(--c-surface-2);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:20px 22px;margin:26px 0;
  font-size:15.5px;line-height:1.85;color:var(--c-text);
}
.callout strong{color:var(--c-primary-deep);}

/* ---------- 要点 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.bento-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--sh-card);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft);}
.bento-item.span-3{grid-column:span 3;}
.bento-item.span-4{grid-column:span 4;}
.bento-item.span-2{grid-column:span 2;}
.bento-item.span-6{grid-column:span 6;}
.bento-icon{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-deep);margin-bottom:16px;
}
.bento-item h3{font-size:18px;margin-bottom:10px;}
.bento-item p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin:0;}
.bento-item.is-dark{background:var(--c-ink);border-color:var(--c-ink);color:#DDE5E0;}
.bento-item.is-dark h3{color:#fff;}
.bento-item.is-dark p{color:#B9C6C0;}
.bento-item.is-dark .bento-icon{background:rgba(200,240,78,.16);color:var(--c-lime);}
.bento-item.is-accent{background:var(--c-primary);border-color:var(--c-primary);color:#EAF3EE;}
.bento-item.is-accent h3{color:#fff;}
.bento-item.is-accent p{color:#CFE2D9;}
.bento-item.is-accent .bento-icon{background:rgba(255,255,255,.15);color:#fff;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;position:relative;box-shadow:var(--sh-card);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft);}
.step-num{
  font:700 26px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--c-primary);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0;}

/* ---------- 深色证据带 ---------- */
.proof{background:var(--c-ink);color:#D6E0DB;padding:80px 0;}
.proof-head{max-width:760px;margin-bottom:44px;}
.proof-head h2{color:#fff;font-size:30px;line-height:1.35;position:relative;padding-left:16px;}
.proof-head h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:24px;border-radius:2px;background:var(--c-accent);}
.proof-head p{margin-top:16px;color:#A9BAB3;font-size:16px;}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proof-item{border-left:1px solid rgba(255,255,255,.14);padding-left:20px;}
.proof-item strong{
  display:block;font-size:34px;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.proof-item strong em{font-style:normal;color:var(--c-lime);font-size:20px;margin-left:4px;}
.proof-item span{display:block;margin-top:10px;font-size:14px;color:#A9BAB3;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:calc(var(--nav-h) + 28px);}
.faq-side h2{font-size:30px;line-height:1.35;padding-left:14px;position:relative;margin-bottom:16px;}
.faq-side h2::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.faq-side p{font-size:15px;color:var(--c-text-2);line-height:1.85;}
.faq-list{max-width:760px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--tr),background var(--tr);
}
.faq-item:hover{border-color:var(--c-primary-soft);}
.faq-item.is-open{background:var(--c-surface-2);border-color:var(--c-primary-soft);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--c-accent);
  transition:transform var(--tr);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:0;right:0;top:10px;height:2px;}
.faq-q .plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.4,0,.2,1);}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2);}

/* ---------- CTA 带 + 表单 ---------- */
.cta-band{
  background:var(--c-primary-deep);border-radius:var(--r-lg);
  padding:56px 48px;color:#E7F1EC;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;position:relative;padding-left:16px;}
.cta-band h2::before{content:"";position:absolute;left:0;top:7px;width:4px;height:24px;border-radius:2px;background:var(--c-accent);}
.cta-band p{margin-top:16px;color:#BFD3CB;font-size:16px;line-height:1.85;}
.cta-band .hero-actions{margin-top:26px;}
.form-card{
  background:#fff;border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-pop);color:var(--c-text);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--c-text-2);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field label .req{color:var(--c-accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:#fff;border:1px solid var(--c-line);outline:none;
  font-size:15px;color:var(--c-text);transition:border-color var(--tr),box-shadow var(--tr);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C9D4CE;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.16);
}
.form-msg{margin-top:12px;font-size:14px;color:var(--c-ok);display:none;}
.form-msg.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--c-ink);color:#A9BAB3;
  border-radius:24px 24px 0 0;padding:64px 0 28px;
}
.footer-top{display:grid;grid-template-columns:5fr 7fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9BAB3;max-width:380px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:#D6E0DB;transition:background var(--tr),color var(--tr),transform var(--tr);
}
.footer-social a:hover{background:var(--c-accent);color:#fff;transform:translateY(-2px);text-decoration:none;}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.footer-links h4{font-size:14px;font-weight:600;color:#F1F5F3;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#A9BAB3;transition:color var(--tr),transform var(--tr);display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(-2px);text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:#7E8F88;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 16px 32px -14px rgba(255,106,43,.9);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--tr),transform var(--tr),background var(--tr),visibility var(--tr);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .search-box{width:180px;}
}
@media (max-width:1024px){
  .main-nav ul{gap:18px;}
  .main-nav a{font-size:14px;}
  .search-box{width:150px;}
  .two-col,.faq-layout{grid-template-columns:1fr;gap:32px;}
  .side-sticky,.faq-side{position:static;}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:44px 32px;}
  .proof-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--nav-h:60px;}
  .container{padding:0 20px;}
  .main-nav,.search-box,.icon-btn,.nav-right .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.is-open .main-nav{
    display:block;position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;
    background:#fff;padding:24px 20px 100px;overflow-y:auto;border-top:1px solid var(--c-line);
  }
  .site-header.is-open .main-nav ul{flex-direction:column;align-items:stretch;gap:6px;}
  .site-header.is-open .main-nav a{font-size:18px;padding:14px 4px;border-bottom:1px solid var(--c-line);}
  .site-header.is-open .main-nav a::after{display:none;}
  .cat-hero{padding:24px 0 4px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .cat-hero h1{font-size:27px;}
  .cat-hero .lead{font-size:16px;}
  .hero-visual img{aspect-ratio:16/10;}
  .hero-visual figcaption{position:static;max-width:none;border-radius:0;background:var(--c-ink);}
  .section{padding:56px 0;}
  .article-body p{font-size:16px;line-height:1.85;}
  .bento{grid-template-columns:repeat(2,1fr);gap:16px;}
  .bento-item.span-3,.bento-item.span-4,.bento-item.span-6{grid-column:span 2;}
  .bento-item.span-2{grid-column:span 2;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .proof{padding:56px 0;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .proof-item strong{font-size:28px;}
  .proof-head h2,.faq-side h2,.cta-band h2{font-size:24px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .footer-links{grid-template-columns:1fr 1fr;}
  .float-cta{
    right:12px;left:12px;bottom:0;justify-content:center;
    height:56px;border-radius:14px 14px 0 0;padding:0 18px;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta.is-hidden{opacity:0;visibility:hidden;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .bento{grid-template-columns:1fr;}
  .bento-item.span-3,.bento-item.span-4,.bento-item.span-2,.bento-item.span-6{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .footer-links{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --c-focus:#FF6A2B;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --r-2xl:24px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,21,18,.05),0 10px 28px -14px rgba(12,21,18,.22);
  --sh-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --sh-pop:0 20px 48px -20px rgba(12,21,18,.35);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --nav-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),text-decoration-color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.35;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
[id]{scroll-margin-top:88px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(8px);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:var(--c-primary);
  position:relative;overflow:hidden;
}
.logo-mark::before{
  content:"";position:absolute;left:-6px;top:12px;width:44px;height:44px;
  border:2px solid rgba(255,255,255,.55);border-radius:50%;
}
.logo-mark::after{
  content:"";position:absolute;right:5px;top:6px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.main-nav{margin-left:8px}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{
  font-size:15px;color:var(--c-text);padding:6px 0;position:relative;text-decoration:none;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 10px 0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  color:var(--c-text-2);width:230px;transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{width:320px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-box input{
  border:0;outline:none;background:transparent;width:100%;font-size:14px;color:var(--c-ink);
}
.search-box input::placeholder{color:#9AA6A1}
.search-box kbd{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--c-text-2);
  border:1px solid var(--c-line);border-radius:6px;padding:1px 6px;background:var(--c-surface-2);white-space:nowrap;
}
.icon-btn{
  width:36px;height:36px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text);
  transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);align-items:center;justify-content:center;
  color:var(--c-ink);border:1px solid var(--c-line);background:var(--c-surface);
}
.nav-toggle:hover{background:var(--c-primary-soft)}
.drawer-cta{display:none}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--c-accent-hover);box-shadow:0 14px 28px -14px rgba(228,86,26,.9)}
.btn-ghost{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:5px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;
}
.eyebrow{
  font-size:13px;letter-spacing:.08em;line-height:1.4;color:var(--c-primary);font-weight:700;
  display:inline-block;margin-bottom:14px;
}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--c-text-2)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:#A9B4B0}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current]{color:var(--c-ink);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:36px 0 84px}
.cat-hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-2xl);
  padding:44px;box-shadow:var(--sh-card);
}
.cat-hero h1{font-size:36px;line-height:1.3;letter-spacing:-.01em;margin-bottom:16px}
.cat-hero .lead{font-size:17px;line-height:1.85;color:var(--c-text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:22px;border-top:1px solid var(--c-line)}
.hero-facts div{font-size:14px;color:var(--c-text-2)}
.hero-facts strong{display:block;font-size:20px;color:var(--c-primary);font-variant-numeric:tabular-nums}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.hero-chip{
  position:absolute;left:-14px;bottom:-18px;background:var(--c-surface);
  border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:var(--r-lg);padding:14px 18px;box-shadow:var(--sh-pop);
}
.hero-chip b{display:block;font-size:15px;color:var(--c-ink)}
.hero-chip span{font-size:13px;color:var(--c-text-2);font-variant-numeric:tabular-nums}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:30px;padding-left:16px;position:relative;margin-bottom:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.section-head p{color:var(--c-text-2);font-size:16px;max-width:640px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{left:50%;transform:translateX(-50%);top:-14px;width:40px;height:3px;background:var(--c-accent)}

/* ---------- 流程时间轴 ---------- */
.timeline{position:relative;padding:10px 0 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:40px;width:2px;transform:translateX(-50%);
  background:var(--c-line);
}
.tl-item{position:relative;width:50%;padding:0 48px 36px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 36px 48px}
.tl-node{
  position:absolute;top:22px;right:-9px;width:18px;height:18px;border-radius:50%;
  background:var(--c-accent);border:4px solid var(--c-surface);box-shadow:0 0 0 2px var(--c-accent);
}
.tl-item:nth-child(even) .tl-node{left:-9px;right:auto}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft)}
.tl-step{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{font-size:15px;line-height:1.8;color:var(--c-text-2)}
.tl-notes{margin-top:14px;display:grid;gap:8px}
.tl-notes li{position:relative;padding-left:18px;font-size:14px;color:var(--c-text)}
.tl-notes li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 场景行卡 ---------- */
.scene-list{display:grid;gap:18px}
.scene-card{
  display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft)}
.scene-card img{width:100%;height:120px;object-fit:cover;border-radius:var(--r-md)}
.scene-card h3{font-size:19px;margin-bottom:8px}
.scene-card p{font-size:15px;color:var(--c-text-2);line-height:1.8}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ---------- 深色能力带 ---------- */
.band{background:var(--c-ink);color:#D7DEDA;padding:80px 0}
.band h2{color:#fff;font-size:30px;margin-bottom:16px;padding-left:0}
.band .band-lead{color:#9FB0A9;max-width:640px;font-size:16px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.band-item{border-top:2px solid rgba(255,255,255,.12);padding-top:22px}
.band-item b{
  display:block;font-size:36px;line-height:1;color:var(--c-lime);
  font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:14px;
}
.band-item h3{color:#fff;font-size:18px;margin-bottom:8px}
.band-item p{font-size:14px;line-height:1.75;color:#9FB0A9}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:30px;padding-left:16px;position:relative;margin-bottom:16px}
.faq-aside h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-primary)}
.faq-aside p{color:var(--c-text-2);font-size:15px;margin-bottom:20px}
.faq-list{display:grid;gap:12px;max-width:760px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color var(--ease),background var(--ease);
}
.faq-item.is-open{background:var(--c-surface-2);border-color:var(--c-primary-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(255,106,43,.14)}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 96px}
.cta-box{
  background:linear-gradient(180deg,var(--c-primary-soft),#F3F7F3);
  border:1px solid var(--c-line);border-radius:var(--r-2xl);
  padding:52px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.cta-box h2{font-size:30px;margin-bottom:14px}
.cta-box p{color:var(--c-text-2);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-card);
}
.cta-side h3{font-size:18px;margin-bottom:14px}
.cta-side ul{display:grid;gap:12px}
.cta-side li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.cta-side li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--c-accent);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  background:var(--c-accent);color:#fff;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  box-shadow:0 14px 30px -14px rgba(228,86,26,.95);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease);
}
.float-cta.is-show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{background:var(--c-accent-hover);transform:translateY(-2px);text-decoration:none}
.float-cta.is-dim{opacity:.35}
.float-close{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#9FB0A9;padding:72px 0 28px;border-radius:24px 24px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.1fr 2fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin:16px 0 20px;max-width:360px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:#D7DEDA;transition:background var(--ease),color var(--ease);
}
.footer-social a:hover{background:var(--c-primary);color:#fff;text-decoration:none}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-links h4{color:#F1F5F2;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-links ul{display:grid;gap:10px}
.footer-links a{color:#9FB0A9;font-size:14px;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:13px;color:#7C8B85}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-inner{height:60px;gap:16px}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:75;
    background:var(--c-surface);padding:20px 20px 32px;margin:0;
    display:flex;flex-direction:column;gap:18px;overflow:auto;
    opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--ease),transform var(--ease);
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{font-size:18px;padding:14px 2px;border-bottom:1px solid var(--c-line);display:block}
  .main-nav a::after{display:none}
  .search-box{display:none}
  .nav-right .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  .drawer-cta{display:inline-flex;margin-top:auto}
  .cat-hero-inner{grid-template-columns:1fr;padding:32px;gap:36px}
  .cat-hero h1{font-size:30px}
  .hero-chip{left:auto;right:16px;bottom:-16px}
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-box{grid-template-columns:1fr;padding:36px}
  .footer-top{grid-template-columns:1fr;gap:36px}
}
@media (max-width:900px){
  .timeline::before{left:9px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 28px 40px}
  .tl-node,.tl-item:nth-child(even) .tl-node{left:0;right:auto;top:24px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0 64px}
  .cat-hero{padding:24px 0 64px}
  .cat-hero h1{font-size:26px}
  .cat-hero .lead{font-size:16px}
  .section-head h2,.faq-aside h2,.band h2,.cta-box h2{font-size:24px}
  .section-head{margin-bottom:32px}
  .scene-card{grid-template-columns:1fr;gap:16px}
  .scene-card img{height:170px}
  .band{padding:56px 0}
  .band-grid{grid-template-columns:1fr;gap:20px}
  .footer-links{grid-template-columns:1fr 1fr}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:14px 14px 0 0;justify-content:center;
    padding:0 56px 0 20px;transform:translateY(100%);
  }
  .float-cta.is-show{transform:none}
  .float-cta:hover{transform:none}
  .float-close{
    display:inline-flex;position:absolute;right:12px;top:50%;transform:translateY(-50%);
    width:32px;height:32px;align-items:center;justify-content:center;border-radius:50%;
    background:rgba(255,255,255,.2);color:#fff;font-size:16px;
  }
}
@media (max-width:520px){
  .logo-text{font-size:16px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .hero-facts{gap:16px}
  .footer-links{grid-template-columns:1fr}
  .tl-card{padding:20px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F5C46;
  --c-primary-deep:#0A3F30;
  --c-primary-soft:#E6F0EA;
  --c-accent:#FF6A2B;
  --c-accent-hover:#E4561A;
  --c-lime:#C8F04E;
  --c-ink:#0C1512;
  --c-text:#2E3A36;
  --c-text-2:#64726D;
  --c-line:#E1E7E2;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F5;
  --c-ok:#1F8A5B;
  --c-warn:#D9822B;
  --c-err:#C0392B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(12,21,18,.05), 0 10px 28px -14px rgba(12,21,18,.22);
  --sh-hover:0 16px 36px -14px rgba(12,21,18,.28);
  --sh-pop:0 20px 48px -20px rgba(12,21,18,.35);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),text-underline-offset var(--t)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35}
p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{scroll-margin-top:88px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(228,86,26,.9)}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(228,86,26,.85)}
.btn-primary:active{transform:translateY(0);background:#cf4d16}
.btn-ghost{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary-deep)}
.btn-light:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
.logo:hover{text-decoration:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:
    radial-gradient(circle at 72% 28%, var(--c-accent) 0 4px, transparent 4.5px),
    linear-gradient(135deg,var(--c-primary) 0%, var(--c-primary-deep) 100%);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;left:6px;top:12px;width:18px;height:8px;
  border:2px solid rgba(255,255,255,.85);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;
  border-bottom-color:transparent;
}
.logo-text{font-size:17px}
.main-nav{flex:1 1 auto}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--c-text);font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--c-primary);text-decoration:none}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  width:210px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-text-2);transition:width var(--t),border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{width:320px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:#9AA6A1}
.search-box kbd{
  font-size:11px;color:var(--c-text-2);border:1px solid var(--c-line);border-radius:6px;
  padding:1px 5px;background:var(--c-surface-2);white-space:nowrap;
}
.icon-btn{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-text);transition:background var(--t),color var(--t);
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;color:var(--c-ink)}
.nav-toggle:hover{background:var(--c-primary-soft)}

/* ---------- breadcrumb ---------- */
.crumb{border-bottom:1px solid var(--c-line);background:var(--c-surface-2)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--c-text-2)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:#AEB9B4}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current]{color:var(--c-ink);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{
  background:linear-gradient(180deg,var(--c-surface-2) 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:56px 0 60px;
  position:relative;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;right:-80px;top:-70px;width:420px;height:300px;
  border:2px dashed rgba(15,92,70,.14);border-radius:50%;
  transform:rotate(-12deg);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--c-primary);
  font-weight:600;margin-bottom:14px;
}
.cat-hero h1{font-size:36px;line-height:1.25;margin-bottom:16px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0}
.hero-stats div{
  padding:0 22px;border-left:1px solid var(--c-line);
}
.hero-stats div:first-child{padding-left:0;border-left:0}
.hero-stats strong{
  display:block;font-size:26px;color:var(--c-primary);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:14px;color:var(--c-text-2)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.hero-figure .float-note{
  position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:var(--r-md);
  border:1px solid var(--c-line);box-shadow:var(--sh-pop);
  padding:14px 18px 14px 22px;min-width:190px;
}
.hero-figure .float-note::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:4px;background:var(--c-accent);
}
.hero-figure .float-note b{display:block;font-size:20px;color:var(--c-primary);font-variant-numeric:tabular-nums}
.hero-figure .float-note small{color:var(--c-text-2);font-size:13px}

/* ---------- section shell ---------- */
.section{padding:88px 0}
.section.alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{
  font-size:30px;position:relative;padding-left:16px;margin-bottom:14px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-primary);
}
.sec-head p{font-size:16px;color:var(--c-text-2);line-height:1.8}

/* ---------- resource cards ---------- */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.res-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
.res-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft);
  background:var(--c-surface);text-decoration:none;
}
.res-icon{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.res-card h3{font-size:18px;margin-bottom:8px;transition:color var(--t)}
.res-card:hover h3{color:var(--c-primary)}
.res-card p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin-bottom:14px}
.res-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.res-more svg{transition:transform var(--t)}
.res-card:hover .res-more svg{transform:translateX(3px)}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.check-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.check-list{counter-reset:step}
.check-list li{
  counter-increment:step;position:relative;padding:18px 18px 18px 66px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);margin-bottom:14px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--c-primary-soft)}
.check-list li::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:18px;
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.check-list h3{font-size:17px;margin-bottom:4px}
.check-list p{font-size:14px;line-height:1.75;color:var(--c-text-2)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:30px;padding-left:16px;position:relative;margin-bottom:14px}
.faq-aside h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-primary);
}
.faq-aside p{font-size:15px;color:var(--c-text-2);margin-bottom:20px}
.faq-list{max-width:760px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:var(--c-primary-soft)}
.faq-item.is-open{background:var(--c-surface-2);border-color:var(--c-primary-soft);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.55;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:transform var(--t),background var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#fff}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text)}
.faq-a[hidden]{display:none}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--c-ink);color:#fff;border-radius:var(--r-xl);
  padding:56px 48px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.35) 0%,rgba(255,106,43,0) 70%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 20px;
  background:var(--c-accent);color:#fff;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  box-shadow:0 14px 30px -14px rgba(228,86,26,.95);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--t),transform var(--t),background var(--t),visibility var(--t);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--c-accent-hover);transform:translateY(-2px);text-decoration:none}
.float-cta .float-close{
  width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.22);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;
}
.float-cta .float-close:hover{background:rgba(255,255,255,.4)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);
  border-radius:var(--r-xl) var(--r-xl) 0 0;margin-top:96px;padding:64px 0 28px;
}
.footer-top{display:grid;grid-template-columns:1.15fr 1.85fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;transition:background var(--t),transform var(--t);
}
.footer-social a:hover{background:var(--c-primary);transform:translateY(-2px);text-decoration:none}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-links h4{color:#F3F1EC;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--t),transform var(--t);display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-inner{height:64px;gap:16px}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;background:#fff;
    padding:24px;overflow-y:auto;transform:translateX(-100%);transition:transform var(--t);
    border-top:1px solid var(--c-line);
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav a{font-size:18px;padding:14px 4px;border-bottom:1px solid var(--c-line)}
  .main-nav a::after{display:none}
  .main-nav a.is-active{color:var(--c-primary)}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .icon-btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero::before{opacity:.6}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .cat-hero{padding:40px 0 44px}
  .cat-hero h1{font-size:28px}
  .hero-lead{font-size:16px}
  .hero-stats div{padding:0 16px}
  .hero-figure .float-note{right:8px;bottom:-14px;min-width:160px}
  .sec-head h2,.faq-aside h2,.cta-band h2{font-size:24px}
  .section{padding:56px 0}
  .footer-links{grid-template-columns:repeat(2,1fr)}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .float-cta{
    left:12px;right:12px;bottom:12px;height:56px;border-radius:var(--r-md);
    justify-content:center;padding:0 16px;padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta.is-dim{opacity:.35}
  .cta-band{border-radius:var(--r-lg);padding:36px 22px}
}
@media (max-width:520px){
  .res-grid{grid-template-columns:1fr}
  .logo-text{font-size:15px}
  .nav-inner{height:60px}
  .main-nav{top:60px;padding:16px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:0}
  .hero-stats div{padding:0 12px}
  .hero-stats strong{font-size:22px}
  .btn{width:100%}
  .hero-figure .float-note{position:static;margin-top:14px;right:auto;bottom:auto}
  .check-list li{padding:16px 16px 16px 60px}
  .check-list li::before{left:14px;top:16px}
  .footer-links{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
}