/* roulang page: index */
:root{
  --c-primary:#F0522D;
  --c-primary-deep:#C93A18;
  --c-accent:#12A594;
  --c-ink:#17141F;
  --c-ink-2:#4A4453;
  --c-ink-3:#8A8296;
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-tint:#F2ECE4;
  --c-line:#E7E0D8;
  --c-dark:#1D1729;
  --c-ok:#17A673;
  --c-warn:#E4A11B;
  --c-err:#D93B3B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,20,31,.06);
  --sh-2:0 8px 24px rgba(23,20,31,.10);
  --sh-3:0 -6px 20px rgba(23,20,31,.12);
  --sec:88px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
h1,h2,h3,h4{margin:6px 0 .6em;font-weight:800;line-height:1.25;color:var(--c-ink);}
h1{font-size:44px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;}
section[id],div[id]{scroll-margin-top:92px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-tint{background:var(--c-tint);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.with-link{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:0;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.06em;margin-bottom:6px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;border-radius:var(--r-btn);border:1px solid transparent;transition:all .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(240,82,45,.04);}
.btn-ghost:active{background:rgba(240,82,45,.09);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 链接式 CTA ---------- */
.link-cta{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-cta .arrow{display:inline-block;transition:transform .18s ease;}
.link-cta:hover .arrow{transform:translateX(2px);}
.link-cta:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;font-size:13px;line-height:1.4;padding:3px 10px;border-radius:var(--r-pill);white-space:nowrap;}
.badge-primary{color:var(--c-primary);background:rgba(240,82,45,.08);}
.badge-accent{color:var(--c-accent);background:rgba(18,165,148,.10);}
.badge-soft{color:var(--c-ink-2);background:var(--c-tint);}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;height:68px;background:#fff;border-bottom:1px solid var(--c-line);transition:height .2s ease,box-shadow .2s ease;}
.site-header.is-shrink{height:60px;box-shadow:0 4px 16px rgba(23,20,31,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:100%;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--c-primary);flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:#fff;opacity:.92;}
.logo-text strong{display:block;font-size:16px;font-weight:800;line-height:1.25;color:var(--c-ink);}
.logo-text em{display:block;font-style:normal;font-size:12px;line-height:1.4;color:var(--c-ink-3);}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--c-ink-2);border-radius:8px;transition:color .18s ease;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.header-cta{flex:0 0 auto;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-dark) 0%,#3B2136 55%,var(--c-primary-deep) 100%);color:#fff;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 22px);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:6fr 4fr;gap:48px;align-items:center;padding-top:76px;padding-bottom:84px;}
.hero h1{color:#fff;font-size:44px;margin:18px 0 14px;}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:520px;}
.hero .badge-primary{color:#FFC0AC;background:rgba(255,255,255,.12);}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 24px;}
.hero-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.hero-actions .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.10);}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:rgba(255,255,255,.72);}
.hero-points li{position:relative;}
.hero-points li + li{padding-left:19px;}
.hero-points li + li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:rgba(255,255,255,.32);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid rgba(255,255,255,.22);}

/* ---------- 卖点区 ---------- */
.usp-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.usp-card{grid-column:span 3;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.usp-card--wide{grid-column:span 6;}
.usp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.3);}
.usp-num{display:block;font-size:38px;font-weight:800;line-height:1;color:var(--c-primary);letter-spacing:-.02em;}
.usp-card h3{margin:16px 0 10px;}
.usp-card p{font-size:15px;color:var(--c-ink-2);margin-bottom:.7em;}
.usp-card p:last-child{margin-bottom:0;}

/* ---------- 场景演示 ---------- */
.scene-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.scene-row--flip{grid-template-columns:7fr 5fr;}
.scene-copy h2{margin-bottom:12px;}
.scene-copy p{color:var(--c-ink-2);font-size:15px;max-width:520px;}
.scene-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px;border:1px solid var(--c-line);}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.post-card{display:flex;gap:18px;padding:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.3);}
.post-thumb{flex:0 0 120px;width:120px;height:80px;border-radius:10px;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.02);}
.post-body{min-width:0;flex:1 1 auto;}
.post-body h3{margin:10px 0 6px;font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{transition:color .18s ease;}
.post-card:hover .post-body h3 a{color:var(--c-primary);}
.post-body > p{font-size:14px;color:var(--c-ink-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap;}
.post-meta .dot{color:var(--c-line);}
.post-meta a{margin-left:auto;color:var(--c-primary);font-weight:600;}
.post-meta a:hover{text-decoration:underline;text-underline-offset:3px;}
.empty-state{grid-column:1 / -1;text-align:center;padding:52px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);}
.empty-icon{width:46px;height:46px;margin:0 auto 14px;border-radius:12px;background:var(--c-tint);display:flex;align-items:center;justify-content:center;color:var(--c-ink-3);font-size:20px;}
.empty-state p{color:var(--c-ink-3);margin-bottom:16px;}

/* ---------- 社会认同 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.stat{position:relative;padding:26px 20px;text-align:center;}
.stat + .stat::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--c-line);}
.stat strong{display:block;font-size:32px;font-weight:800;line-height:1.2;color:var(--c-primary);}
.stat span{font-size:12px;color:var(--c-ink-3);}
.quotes{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;margin-top:28px;}
.quote{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.quote:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.quote::before{content:"\201C";position:absolute;top:8px;left:20px;font-size:46px;line-height:1;font-weight:800;color:rgba(240,82,45,.20);}
.quote p{position:relative;font-size:14px;line-height:1.85;color:var(--c-ink-2);margin:16px 0 16px;}
.quote footer{font-size:12px;color:var(--c-ink-3);}
.quote footer strong{display:block;font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:rgba(240,82,45,.35);box-shadow:var(--sh-2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:18px 22px;font-size:16px;font-weight:700;line-height:1.6;color:var(--c-ink);}
.faq-q:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px;}
.faq-q .icon{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .22s ease;}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-q .icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-section{background:var(--c-dark);color:#fff;padding:72px 0;}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{color:#fff;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;}
.cta-inner .btn{margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.9);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);margin:16px 0 0;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-col a:hover{color:var(--c-primary);}
.footer-col span{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{padding:22px 0 26px;text-align:center;font-size:12px;color:rgba(255,255,255,.55);}

/* ---------- 固定转化条 ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:14px;padding:10px 12px 10px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta-text{font-size:12px;color:var(--c-ink-2);white-space:nowrap;}
.float-cta-close{width:26px;height:26px;border-radius:50%;background:var(--c-tint);color:var(--c-ink-3);font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .18s ease,color .18s ease;}
.float-cta-close:hover{background:var(--c-line);color:var(--c-ink);}
.float-cta-close:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

/* ---------- 移动底部 Tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(23,20,31,.12);padding-bottom:env(safe-area-inset-bottom);}
.tabbar-inner{display:flex;height:56px;}
.tab-item{position:relative;flex:1 1 0;min-width:48px;min-height:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;line-height:1.2;color:var(--c-ink-3);text-align:center;padding:0 4px;transition:color .18s ease;}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.active{color:var(--c-primary);}
.tab-item.active::after{content:"";position:absolute;top:5px;width:16px;height:3px;border-radius:2px;background:var(--c-primary);}
.tab-item:focus-visible{outline:2px solid var(--c-accent);outline-offset:-3px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  h1{font-size:36px;}
  h2{font-size:24px;}
  .container{padding:0 20px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-top:56px;padding-bottom:64px;}
  .hero h1{font-size:36px;}
  .usp-card,.usp-card--wide{grid-column:span 12;}
  .scene-row,.scene-row--flip{grid-template-columns:1fr;gap:28px;}
  .quotes{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{padding-bottom:72px;}
  .container{padding:0 16px;}
  h1{font-size:30px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .nav-desktop{display:none;}
  .header-cta{display:none;}
  .header-inner{gap:12px;}
  .logo-text strong{font-size:15px;}
  .logo-text em{font-size:11px;}
  .hero h1{font-size:29px;line-height:1.3;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:12px;font-size:12px;}
  .section-head{margin-bottom:28px;}
  .usp-card{padding:18px;}
  .post-grid{grid-template-columns:1fr;}
  .post-card{flex-direction:column;}
  .post-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/10;}
  .post-meta a{margin-left:0;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat + .stat::before{display:none;}
  .stat{padding:20px 12px;border-top:1px solid var(--c-line);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;}
  .stat:nth-child(even)::after{content:"";position:absolute;left:0;top:20px;bottom:20px;width:1px;background:var(--c-line);}
  .stat strong{font-size:26px;}
  .quotes{grid-template-columns:1fr;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-section{padding:52px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .tabbar{display:block;}
  .float-cta{left:0;right:0;bottom:56px;border-radius:0;border-left:0;border-right:0;padding:9px 16px;justify-content:space-between;gap:10px;}
  .float-cta-text{font-size:12px;white-space:normal;text-align:left;}
}
@media (max-width:480px){
  h1{font-size:27px;}
  .hero h1{font-size:26px;}
  .logo-text em{display:none;}
  .quote{padding:24px 18px 20px;}
}

/* roulang page: article */
:root{
  --c-primary:#F0522D;
  --c-primary-deep:#C93A18;
  --c-accent:#12A594;
  --c-ink:#17141F;
  --c-ink-2:#4A4453;
  --c-ink-3:#8A8296;
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-tint:#F2ECE4;
  --c-line:#E7E0D8;
  --c-dark:#1D1729;
  --c-ok:#17A673;
  --c-warn:#E4A11B;
  --c-err:#D93B3B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,20,31,.06);
  --sh-2:0 8px 24px rgba(23,20,31,.10);
  --sh-3:0 -6px 20px rgba(23,20,31,.12);
  --sp-section:88px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#DC4520;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(240,82,45,.04)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:5px 12px;border-radius:var(--r-pill);
}
.badge-cat{color:var(--c-accent);background:rgba(18,165,148,.10)}
.badge-soft{color:var(--c-primary);background:rgba(240,82,45,.08)}
.link-arrow{color:var(--c-primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(2px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(23,20,31,.06)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);display:block;position:relative}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:4px;background:rgba(255,255,255,.85)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:.02em}
.logo-text em{font-size:12px;font-style:normal;color:var(--c-ink-3);letter-spacing:.04em}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--c-ink-2);
  border-radius:8px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{margin-left:8px}

/* main */
main{display:block;padding-bottom:96px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:24px 0 18px;font-size:13px;color:var(--c-ink-3);
}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-ink-3);max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-wrap{padding-top:6px}
.article-head{max-width:820px;margin:0 auto 36px;text-align:left}
.article-head h1{
  font-size:40px;line-height:1.3;font-weight:800;color:var(--c-ink);
  margin:16px 0 18px;letter-spacing:.01em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--c-ink-3)}
.article-meta .dot{color:var(--c-line)}
.article-rule{height:1px;background:var(--c-line);max-width:820px;margin:0 auto 40px}

.article-body{
  max-width:780px;margin:0 auto;font-size:16px;line-height:1.9;
  color:var(--c-ink);word-wrap:break-word;
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:28px;line-height:1.4;font-weight:800;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:20px;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{
  position:relative;font-size:20px;line-height:1.5;font-weight:700;
  margin:32px 0 12px;padding-left:18px;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:2px;background:var(--c-accent);
}
.article-body h4{font-size:17px;font-weight:700;margin:26px 0 10px}
.article-body blockquote{
  margin:24px 0;padding:20px;background:var(--c-tint);
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.15em}
.article-body li{margin-bottom:8px;line-height:1.9}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-deep)}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;
  background:var(--c-tint);border-radius:6px;padding:2px 6px;font-size:.92em;
}
.article-body pre{
  background:var(--c-tint);border-radius:12px;padding:18px;overflow-x:auto;margin:20px 0;
}
.article-body pre code{background:none;padding:0;font-size:14px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-body th{background:var(--c-tint);font-weight:700}
.article-body tr:nth-child(even) td{background:var(--c-tint)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}
.article-body strong{font-weight:700}

.article-empty{
  max-width:780px;margin:0 auto;padding:56px 24px;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.article-empty i{font-size:38px;color:var(--c-ink-3);display:block;margin-bottom:14px}
.article-empty p{color:var(--c-ink-2);margin-bottom:20px}

/* related */
.related{padding-top:var(--sp-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:800;line-height:1.3}
.section-head p{font-size:14px;color:var(--c-ink-2);margin-top:8px}
.card-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);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.3)}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-tint)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-thumb img{transform:scale(1.02)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-3)}

/* return */
.return-links{
  padding:48px 0 0;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}

/* cta band */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--c-dark);
  background-image:linear-gradient(135deg,rgba(29,23,41,.96),rgba(201,58,24,.82)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:72px 0;
}
.cta-inner{max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:30px;font-weight:800;color:#fff;line-height:1.35}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin:16px 0 28px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.10);border-color:#fff;color:#fff}

/* footer */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.9);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin-top:18px;max-width:300px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px;transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-col span{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px}
.footer-bottom{padding:22px 24px 28px;text-align:center;font-size:12px;color:rgba(255,255,255,.5)}

/* mobile tab */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  flex:1;min-height:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11px;color:var(--c-ink-3);padding:6px 2px;position:relative;
}
.mobile-tab .tab-icon{font-size:17px;line-height:1}
.mobile-tab a.active{color:var(--c-primary)}
.mobile-tab a.active .tab-icon::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-6px;width:16px;height:3px;border-radius:2px;background:var(--c-primary);
}

/* sticky cta */
.sticky-cta{
  position:fixed;z-index:65;right:24px;bottom:24px;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-2);padding:10px 12px 10px 20px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.sticky-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.sticky-cta.is-hidden{display:none}
.sticky-cta .tip{font-size:12px;color:var(--c-ink-2);line-height:1.4;max-width:180px}
.sticky-close{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-3);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:12px;transition:color .2s ease,border-color .2s ease;
}
.sticky-close:hover{color:var(--c-primary);border-color:var(--c-primary)}

@media (max-width:1023px){
  .container{padding:0 20px}
  :root{--sp-section:64px}
  .article-head h1{font-size:34px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .nav-desktop,.header-cta{display:none}
  .header-inner{height:60px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:11px}
  .breadcrumb{padding:18px 0 12px}
  .breadcrumb .current{max-width:58vw}
  .article-wrap{padding-top:0}
  .article-head{margin-bottom:26px}
  .article-head h1{font-size:28px;margin:12px 0 14px}
  .article-rule{margin-bottom:28px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-body blockquote{padding:16px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .related{padding-top:var(--sp-section)}
  .section-head h2{font-size:22px}
  .return-links{padding-top:36px}
  .cta-band{padding:52px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .footer-brand p{max-width:none}
  main{padding-bottom:72px}
  .mobile-tab{display:flex}
  .sticky-cta{
    left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));
    border-radius:0;border-left:none;border-right:none;border-bottom:none;
    padding:8px 12px;height:56px;justify-content:space-between;gap:10px;
  }
  .sticky-cta .tip{font-size:12px;max-width:52%}
  .sticky-cta .btn{padding:11px 18px;font-size:14px}
}
@media (max-width:479px){
  .article-head h1{font-size:26px}
  .logo-text em{display:none}
  .sticky-cta .tip{max-width:46%}
}

/* roulang page: category1 */
:root{
  --c-primary:#F0522D;
  --c-primary-deep:#C93A18;
  --c-accent:#12A594;
  --c-ink:#17141F;
  --c-ink-2:#4A4453;
  --c-ink-3:#8A8296;
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-tint:#F2ECE4;
  --c-line:#E7E0D8;
  --c-dark:#1D1729;
  --c-ok:#17A673;
  --c-warn:#E4A11B;
  --c-err:#D93B3B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(23,20,31,.06);
  --sh-2:0 8px 24px rgba(23,20,31,.10);
  --sh-3:0 -6px 20px rgba(23,20,31,.12);
  --sp-section:88px;
  --max-w:1200px;
}

*,*::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-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  font-weight:400;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.005em;color:var(--c-ink);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-tint{background:var(--c-tint);}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:28px;margin-bottom:12px;}
.section-head .section-sub{color:var(--c-ink-2);max-width:720px;font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary);
  background:rgba(240,82,45,.08);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.eyebrow.accent{color:var(--c-accent);background:rgba(18,165,148,.10);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0);}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:rgba(240,82,45,.04);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);font-size:15px;}
.link-cta .arrow{transition:transform .18s ease;display:inline-block;}
.link-cta:hover{color:var(--c-primary-deep);text-decoration:underline;}
.link-cta:hover .arrow{transform:translateX(2px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  transition:height .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(23,20,31,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--c-ink);flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 28px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--c-ink-2);
  font-weight:500;border-radius:8px;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-cta{flex:0 0 auto;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .current{color:#fff;}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;
  min-height:268px;
  display:flex;align-items:center;
  padding:52px 0;
  background-image:linear-gradient(90deg,rgba(29,23,41,.84) 0%,rgba(29,23,41,.62) 55%,rgba(29,23,41,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-radius:0 0 24px 24px;
  overflow:hidden;
}
.page-hero .container{position:relative;z-index:2;}
.hero-copy{max-width:660px;}
.page-hero h1{
  font-size:44px;line-height:1.25;color:#fff;margin-bottom:14px;
}
.page-hero .hero-desc{
  color:rgba(255,255,255,.86);font-size:16px;max-width:520px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-on-dark{background:var(--c-surface);color:var(--c-ink);border-color:transparent;}
.btn-on-dark:hover{color:var(--c-primary);background:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}

/* ---------- 导语 ---------- */
.lead{max-width:820px;}
.lead p{color:var(--c-ink-2);font-size:16px;}
.lead strong{color:var(--c-ink);}

/* ---------- 内容条目网格 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .22s ease;display:flex;flex-direction:column;
}
.entry-grid > .entry-card:nth-child(even){margin-top:24px;}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.30);}
.entry-card .card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-tint);
}
.entry-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.entry-card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.4;}
.entry-card:hover .card-body h3{color:var(--c-primary);}
.card-body .card-text{color:var(--c-ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:13px;line-height:1.4;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(18,165,148,.10);color:var(--c-accent);font-weight:600;
}
.tag.warm{background:rgba(240,82,45,.08);color:var(--c-primary);}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- 编号要点 ---------- */
.points{max-width:900px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--sh-1);}
.point-item{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;padding:24px 0;border-bottom:1px solid var(--c-line);}
.point-item:last-child{border-bottom:none;}
.point-num{font-size:32px;font-weight:800;color:var(--c-primary);line-height:1;letter-spacing:-.02em;}
.point-item h3{font-size:18px;margin-bottom:6px;}
.point-item p{color:var(--c-ink-2);font-size:15px;margin:0;}

/* ---------- 流程步骤 ---------- */
.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-card);
  padding:24px;box-shadow:var(--sh-1);transition:all .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.30);}
.step .step-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:rgba(240,82,45,.10);
  color:var(--c-primary);font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{color:var(--c-ink-2);font-size:14px;margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-dark) 0%,#2A2033 60%,var(--c-primary-deep) 140%);
  color:#fff;padding:72px 0;
}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{font-size:28px;color:#fff;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.78);margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.9);padding:64px 0 24px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.6);}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;margin-top:16px;max-width:300px;}
.footer-quote{
  margin-top:18px;padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;
}
.footer-quote strong{color:#fff;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-col .contact-line{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-bottom{
  padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.52);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{display:none;}
@media (max-width:767px){
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:var(--c-surface);border-top:1px solid var(--c-line);
    box-shadow:var(--sh-3);
    padding-bottom:env(safe-area-inset-bottom);
    height:calc(56px + env(safe-area-inset-bottom));
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;min-height:48px;font-size:11px;color:var(--c-ink-3);position:relative;
  }
  .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .tab-item.active{color:var(--c-primary);}
  .tab-item.active::before{
    content:"";position:absolute;top:4px;width:16px;height:3px;border-radius:2px;background:var(--c-primary);
  }
  body{padding-bottom:72px;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:40px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .page-hero h1{font-size:34px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-link{padding:10px 10px;font-size:14px;}
}
@media (max-width:900px){
  .nav-desktop{display:none;}
  .header-cta{margin-left:auto;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .page-hero{min-height:200px;padding:36px 0;border-radius:0 0 18px 18px;}
  .page-hero h1{font-size:29px;}
  .page-hero .hero-desc{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:22px;}
  .entry-grid{grid-template-columns:1fr;gap:20px;}
  .entry-grid > .entry-card:nth-child(even){margin-top:0;}
  .card-body{padding:18px;}
  .points{padding:4px 18px;}
  .point-item{grid-template-columns:52px 1fr;padding:20px 0;}
  .point-num{font-size:26px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:44px 0 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col ul li{margin-bottom:14px;}
  .logo-text strong{font-size:15px;}
  .logo-text em{display:none;}
}
@media (max-width:479px){
  .page-hero h1{font-size:26px;}
  .logo-text strong{font-size:14px;}
  .btn{padding:12px 18px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#F0522D;
  --c-primary-deep:#C93A18;
  --c-primary-on-dark:#FF8A63;
  --c-accent:#12A594;
  --c-ink:#17141F;
  --c-ink-2:#4A4453;
  --c-ink-3:#8A8296;
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-tint:#F2ECE4;
  --c-line:#E7E0D8;
  --c-dark:#1D1729;
  --c-ok:#17A673;
  --c-warn:#E4A11B;
  --c-err:#D93B3B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(23,20,31,.06);
  --sh-2:0 8px 24px rgba(23,20,31,.10);
  --sh-3:0 -6px 20px rgba(23,20,31,.12);
  --sp-section:88px;
  --ff:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25}
h2{margin-top:6px}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding-top:var(--sp-section)}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  background:rgba(240,82,45,.08);
  border-radius:var(--r-pill);
  padding:4px 12px;
  letter-spacing:.02em;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:28px}
.section-head .sub{color:var(--c-ink-2);font-size:15px;margin-top:6px}
.text-link{color:var(--c-primary);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(2px)}
.text-link:hover{text-decoration:underline}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#E24A26;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0)}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(240,82,45,.04);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:height .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(23,20,31,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);flex:0 0 28px;box-shadow:0 2px 6px rgba(201,58,24,.35)}
.logo-text{display:flex;flex-direction:column;min-width:0}
.logo-text strong{font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-size:12px;font-style:normal;color:var(--c-ink-3);line-height:1.4;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--c-ink-2);padding:22px 0;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{flex:0 0 auto}
.nav-toggle{display:none}

/* 分类页头 */
.page-hero{margin-top:28px}
.page-hero-inner{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  border:1px solid rgba(23,20,31,.06);
  background-image:linear-gradient(120deg,rgba(29,23,41,.90) 0%,rgba(29,23,41,.72) 48%,rgba(201,58,24,.66) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:56px 48px;min-height:264px;display:flex;align-items:center;
}
.page-hero-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.page-hero-copy{position:relative;z-index:2;max-width:640px;color:#fff}
.page-hero-copy .eyebrow{background:rgba(255,255,255,.14);color:#FFD9CC;font-weight:700}
.page-hero-copy h1{font-size:42px;color:#fff;margin:16px 0 12px}
.page-hero-copy p{color:rgba(255,255,255,.86);font-size:16px;margin-bottom:24px;max-width:520px}
.page-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.page-hero-actions .btn-ghost{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.38);color:#fff}
.page-hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}

/* 分类导语 */
.intro-block{max-width:820px;margin:0 auto}
.intro-block h2{font-size:28px;margin-bottom:16px}
.intro-block p{color:var(--c-ink-2)}
.intro-note{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-tint);border-left:3px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:18px 22px;margin-top:24px;color:var(--c-ink-2);font-size:15px;
}
.intro-note i{color:var(--c-primary);font-size:18px;line-height:1.6}

/* 条目网格 */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 28px;align-items:start}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:nth-child(even){margin-top:26px}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.32)}
.entry-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-tint)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{padding:22px}
.entry-body h3{font-size:20px;margin-bottom:10px;transition:color .2s ease}
.entry-card:hover .entry-body h3{color:var(--c-primary)}
.entry-sum{color:var(--c-ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);padding-top:14px}
.tag{font-size:13px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(18,165,148,.10);color:var(--c-accent);font-weight:600}

/* 深色数据带 */
.metrics-wrap{margin-top:var(--sp-section)}
.metrics{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  background:var(--c-dark);color:#fff;padding:44px 44px 40px;
}
.metrics::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 14px);
}
.metrics-head{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.metrics-head h2{font-size:28px;color:#fff}
.metrics-head p{color:rgba(255,255,255,.7);font-size:15px;margin:6px 0 0;max-width:560px}
.metrics-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metric{border-left:1px solid rgba(255,255,255,.14);padding-left:18px}
.metric:first-child{border-left:0;padding-left:0}
.metric strong{display:block;font-size:32px;font-weight:800;color:var(--c-primary-on-dark);line-height:1.2}
.metric span{display:block;font-size:13px;line-height:1.6;color:rgba(255,255,255,.72);margin-top:6px}

/* 排查步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(240,82,45,.32)}
.step b{display:block;font-size:13px;letter-spacing:.06em;color:var(--c-primary);font-weight:800}
.step h3{font-size:18px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(240,82,45,.28)}
.faq-item.open{border-color:rgba(240,82,45,.42);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:18px 22px;font-size:16px;font-weight:700;color:var(--c-ink)}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-plus{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .22s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a p{padding:0 22px 20px;color:var(--c-ink-2);font-size:15px;margin:0}

/* CTA */
.cta-section{padding-top:var(--sp-section)}
.cta-box{
  background:linear-gradient(135deg,var(--c-dark) 0%,#3A2233 60%,var(--c-primary-deep) 140%);
  border-radius:var(--r-hero);padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;
}
.cta-box::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:26px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-box .btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.9);margin-top:var(--sp-section);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.68);margin-top:14px;line-height:1.8}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary-on-dark)}
.footer-col span{font-size:14px;color:rgba(255,255,255,.68);display:block;line-height:1.8}
.footer-bottom{padding:18px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.5);line-height:1.8}

/* 固定转化条 */
.float-bar{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-2);padding:10px 12px 10px 20px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.float-bar.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-bar em{font-style:normal;font-size:12px;color:var(--c-ink-3);display:block;line-height:1.4}
.float-bar strong{font-size:14px;display:block;line-height:1.5}
.float-close{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--c-ink-3);font-size:12px;transition:background .2s ease,color .2s ease}
.float-close:hover{background:var(--c-tint);color:var(--c-ink)}

/* 移动底部 Tab */
.mobile-tab{display:none}
@media (max-width:767px){
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    background:var(--c-surface);border-top:1px solid var(--c-line);
    box-shadow:var(--sh-3);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    flex:1;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--c-ink-3);padding:6px 2px;
  }
  .mobile-tab i{font-size:22px;line-height:1}
  .mobile-tab a.active{color:var(--c-primary)}
  .mobile-tab a.active i{position:relative}
  .mobile-tab a.active i::after{content:"";position:absolute;left:50%;bottom:-5px;transform:translateX(-50%);width:14px;height:3px;border-radius:2px;background:var(--c-primary)}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
}

/* 响应式 */
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 20px}
  .nav-desktop{gap:20px}
  .nav-link{font-size:14px}
  .page-hero-copy h1{font-size:34px}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .nav-desktop{display:none}
  .site-header .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .header-cta{display:none}
  .page-hero{margin-top:16px}
  .page-hero-inner{padding:32px 22px;min-height:180px;border-radius:16px}
  .page-hero-copy h1{font-size:28px;margin:12px 0 10px}
  .page-hero-copy p{font-size:15px;margin-bottom:20px}
  .page-hero-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:22px}
  .intro-block h2{font-size:22px}
  .entry-grid{grid-template-columns:1fr;gap:20px}
  .entry-card:nth-child(even){margin-top:0}
  .entry-body{padding:18px}
  .entry-body h3{font-size:18px}
  .metrics{padding:30px 22px;border-radius:16px}
  .metrics-head h2{font-size:22px}
  .metrics-grid{grid-template-columns:1fr;gap:20px}
  .metric{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:16px}
  .metric:first-child{border-top:0;padding-top:0}
  .steps{grid-template-columns:1fr}
  .cta-box{padding:38px 22px;border-radius:16px}
  .cta-inner h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px}
  .site-footer{padding-top:40px;margin-top:48px}
  .float-bar{
    left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));
    border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:8px 12px;gap:10px;justify-content:space-between;
  }
  .float-bar .float-text{flex:1}
  .float-bar .btn{padding:9px 14px;font-size:13px}
}
@media (max-width:479px){
  .logo-text em{display:none}
  .page-hero-copy h1{font-size:26px}
  .faq-q{font-size:15px;padding:16px 16px}
  .faq-a p{padding:0 16px 16px}
}