/* roulang page: index */
:root{
  --brand:#C94A22;
  --brand-light:#E8663A;
  --brand-dark:#A93B18;
  --ink:#12352B;
  --bamboo:#2F7A5B;
  --gold:#E3B23C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --text:#1C2420;
  --text-sub:#5B635E;
  --text-weak:#8A918C;
  --border:#E4DED2;
  --dark-text:#F4F1E9;
  --dark-line:rgba(244,241,233,.18);
  --r-btn:8px;
  --r-card:14px;
  --r-img:10px;
  --r-hero:18px;
  --r-badge:6px;
  --sh-1:0 6px 18px -8px rgba(18,53,43,.18);
  --sh-2:0 14px 32px -12px rgba(18,53,43,.26);
  --sh-nav:0 2px 12px rgba(18,53,43,.08);
  --sh-img:0 10px 24px -10px rgba(18,53,43,.22);
  --bs-primary:#C94A22;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#1C2420;
  --bs-border-radius:8px;
  --bs-border-color:#E4DED2;
  --bs-link-color:#C94A22;
  --bs-link-hover-color:#A93B18;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:.01em;}
h1{font-size:42px;line-height:1.35;font-weight:700;}
h2{font-size:30px;line-height:1.4;}
h3{font-size:22px;line-height:1.5;}
h4{font-size:18px;line-height:1.6;}
p{margin:0 0 1.1em;color:var(--text);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(201,74,34,.35);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--dark-text);font-size:13px;line-height:32px;height:36px;overflow:hidden;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-note{white-space:nowrap;color:rgba(244,241,233,.86);}
.topbar-mid{display:flex;align-items:center;gap:14px;color:rgba(244,241,233,.62);}
.topbar-mid .divider{width:1px;height:12px;background:var(--dark-line);display:inline-block;}
.topbar-btn{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border:1px solid var(--brand-light);border-radius:6px;color:var(--dark-text);
  font-size:12px;line-height:1;transition:background .2s ease-out,color .2s ease-out;
}
.topbar-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--border);transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.site-nav{padding:0;background:#fff;}
.site-nav .container{display:flex;align-items:center;min-height:68px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:8px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:24px;height:24px;flex:0 0 24px;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink);white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:32px;flex-direction:row;}
.nav-list .nav-link{
  position:relative;padding:22px 0;font-size:16px;font-weight:500;color:var(--ink);
  line-height:1.4;transition:color .2s ease-out;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-list .nav-link:hover{color:var(--brand);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand);}
.nav-list .nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:auto;white-space:nowrap;}
.navbar-toggler{
  border:1px solid var(--border);border-radius:var(--r-btn);padding:8px 10px;
  display:none;flex-direction:column;gap:4px;background:#fff;
}
.navbar-toggler .toggler-bar{width:20px;height:2px;background:var(--ink);display:block;border-radius:2px;}
.navbar-toggler:focus{box-shadow:none;}

/* ---------- 按钮 ---------- */
.btn{border-radius:var(--r-btn);font-weight:600;transition:all .2s ease-out;border:1.5px solid transparent;}
.btn-primary{
  background:var(--brand);color:#fff;padding:12px 26px;font-size:16px;line-height:1.4;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  padding:12px 26px;font-size:16px;line-height:1.4;
}
.btn-ghost:hover{background:var(--ink);color:var(--dark-text);}
.btn-ghost-light{border-color:rgba(244,241,233,.5);color:var(--dark-text);background:transparent;}
.btn-ghost-light:hover{background:var(--brand-light);border-color:var(--brand-light);color:#fff;}
.link-more{
  color:var(--brand);font-weight:600;font-size:15px;border-bottom:2px dashed var(--brand);
  padding-bottom:2px;transition:border-color .2s ease-out,color .2s ease-out;
}
.link-more:hover{border-bottom-style:solid;color:var(--brand-dark);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--bamboo);
  font-weight:600;letter-spacing:.08em;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--bamboo);display:inline-block;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;background:var(--brand);border-radius:2px;
}
.section-lead{max-width:760px;color:var(--text-sub);font-size:16px;line-height:1.9;margin-top:14px;}

/* ---------- Hero ---------- */
.hero{background:var(--bg);padding:72px 0 64px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--bamboo);
  border:1px solid var(--bamboo);border-radius:var(--r-badge);padding:4px 10px;margin-bottom:20px;
}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:18px;color:var(--text-sub);line-height:1.85;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;font-size:14px;color:var(--text-weak);}
.hero-stats strong{color:var(--ink);font-weight:700;font-size:16px;margin-right:6px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-hero);
  border:1px solid rgba(18,53,43,.06);box-shadow:var(--sh-img);
}
.hero-chip{
  position:absolute;left:18px;bottom:18px;background:#fff;border:1.5px solid var(--bamboo);
  color:var(--bamboo);font-size:13px;font-weight:600;border-radius:var(--r-badge);
  padding:6px 12px;box-shadow:var(--sh-1);
}

/* ---------- 痛点 2x2 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand);}
.pain-num{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:10px;display:block;
}
.pain-item h3{font-size:19px;margin-bottom:8px;}
.pain-item p{font-size:15px;color:var(--text-sub);line-height:1.8;margin:0;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:36px 0 56px;position:relative;}
.step{position:relative;padding-right:20px;}
.step:not(:last-child)::after{
  content:"";position:absolute;right:0;top:18px;width:20px;border-top:1px dashed var(--border);
}
.step-dot{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:14px;
  background:#fff;
}
.step h4{font-size:18px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--text-sub);line-height:1.8;margin:0;}

/* ---------- 左右交替图文 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.zigzag + .zigzag{margin-top:56px;}
.zigzag .zz-text h3{font-size:22px;margin-bottom:14px;}
.zigzag .zz-text p{color:var(--text-sub);font-size:16px;}
.zz-list li{position:relative;padding-left:18px;margin-bottom:10px;font-size:15px;color:var(--text-sub);}
.zz-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--bamboo);
}
.zigzag img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  border:1px solid rgba(18,53,43,.06);box-shadow:var(--sh-img);
}
.zigzag.reverse .zz-text{order:2;}
.zigzag.reverse .zz-media{order:1;}

/* ---------- 数据区（深色） ---------- */
.section-dark{background:var(--ink);color:var(--dark-text);padding:80px 0;}
.section-dark h2{color:var(--dark-text);}
.section-dark .section-title::before{background:var(--brand-light);}
.section-dark .section-lead{color:rgba(244,241,233,.72);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:44px;}
.stat-block{border-top:1px solid var(--dark-line);padding-top:22px;}
.stat-num{font-size:40px;font-weight:700;color:var(--gold);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-num span{font-size:20px;margin-left:2px;}
.stat-label{font-size:14px;color:rgba(244,241,233,.68);margin-top:8px;}
.dark-footnote{font-size:13px;color:rgba(244,241,233,.5);margin-top:36px;}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;}
.quote-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.quote-mark{color:var(--brand);font-size:26px;font-weight:700;line-height:1;margin-bottom:12px;}
.quote-card p{font-size:16px;line-height:1.85;color:var(--text);margin-bottom:18px;}
.quote-sign{font-size:13px;color:var(--text-weak);margin-top:auto;}

/* ---------- 资讯卡 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.news-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;height:100%;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand);}
.news-cover{flex:0 0 40%;overflow:hidden;display:block;background:var(--bg-alt);}
.news-cover img{width:100%;height:100%;min-height:160px;object-fit:cover;transition:transform .24s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0;}
.badge-cat{
  display:inline-block;font-size:12px;font-weight:600;color:var(--bamboo);
  border:1px solid var(--bamboo);border-radius:var(--r-badge);padding:3px 8px;line-height:1.4;align-self:flex-start;
}
.badge-cat.is-hot{background:var(--brand);border-color:var(--brand);color:#fff;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;}
.news-title a{
  color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title a{color:var(--brand);}
.news-sum{
  font-size:14px;color:var(--text-sub);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{font-size:13px;color:var(--text-weak);margin-top:auto;}
.empty-state{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{color:var(--text-weak);margin-bottom:16px;}
.empty-state p{font-size:14px;color:var(--text-sub);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.accordion-item{
  background:var(--card);border:1px solid var(--border) !important;border-radius:var(--r-card) !important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:var(--card);
  padding:20px 22px;box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#FBF9F5;}
.accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:600;color:var(--brand);
  width:auto;height:auto;transform:none;display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{padding:4px 22px 22px;background:#FBF9F5;font-size:15px;line-height:1.85;color:var(--text-sub);}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--ink);color:var(--dark-text);padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:var(--dark-text);font-size:24px;}
.cta-inner p{color:rgba(244,241,233,.7);font-size:15px;margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-text);border-top:1px solid var(--dark-line);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{color:var(--brand-light);}
.footer-brand span{font-size:17px;font-weight:700;color:var(--dark-text);}
.site-footer p,.site-footer li{font-size:14px;color:rgba(244,241,233,.66);line-height:1.9;}
.site-footer h4{font-size:15px;color:var(--dark-text);margin-bottom:16px;font-weight:600;}
.site-footer a{color:rgba(244,241,233,.66);}
.site-footer a:hover{color:var(--brand-light);}
.footer-list li{margin-bottom:10px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--dark-line);
  font-size:13px;color:rgba(244,241,233,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-list{gap:24px;}
  .brand-text{font-size:16px;}
}
@media (max-width:991px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .navbar-toggler{display:flex;}
  .site-nav .container{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;}
  .navbar-collapse{
    flex-basis:100%;background:#fff;border-top:1px solid var(--border);margin-top:10px;padding:8px 0 16px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list .nav-link{padding:14px 0;font-size:16px;}
  .nav-list .nav-link::after{bottom:8px;left:0;right:auto;width:28px;}
  .nav-cta{margin:12px 0 0;width:100%;text-align:center;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:-1;}
  .hero-figure img{aspect-ratio:16/9;}
  .zigzag{grid-template-columns:1fr;gap:28px;}
  .zigzag.reverse .zz-text,.zigzag.reverse .zz-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step:nth-child(2)::after{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .quote-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .section-dark,.cta-bar{padding:64px 0;}
  .topbar-mid{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .pain-grid{grid-template-columns:1fr;}
  .news-card{flex-direction:column;}
  .news-cover{flex:none;width:100%;}
  .news-cover img{min-height:0;aspect-ratio:16/9;}
  .quote-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn-primary{width:100%;text-align:center;}
}
@media (max-width:575px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .section{padding:48px 0;}
  .section-dark,.cta-bar{padding:56px 0;}
  .brand-text{font-size:15px;}
  .topbar{height:32px;line-height:32px;}
  .topbar-inner{height:32px;}
  .hero{padding:48px 0;}
  .hero-figure img{aspect-ratio:3/2;max-height:220px;}
  .hero-actions .btn{width:100%;text-align:center;}
  .steps{grid-template-columns:1fr;}
  .step::after{display:none !important;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .stat-num{font-size:32px;}
  .zigzag img{aspect-ratio:16/9;}
}

/* roulang page: category1 */
:root{
  --c-primary:#C94A22;
  --c-primary-light:#E8663A;
  --c-primary-dark:#A93B18;
  --c-ink:#12352B;
  --c-green:#2F7A5B;
  --c-gold:#E3B23C;
  --bg-page:#F7F4EE;
  --bg-alt:#EFEAE0;
  --bg-card:#FFFFFF;
  --bg-soft:#FBF9F5;
  --text:#1C2420;
  --text-sub:#5B635E;
  --text-muted:#8A918C;
  --ink-text:#F4F1E9;
  --border:#E4DED2;
  --border-ink:rgba(244,241,233,.18);
  --r-btn:8px;
  --r-input:8px;
  --r-card:14px;
  --r-img:10px;
  --r-hero:18px;
  --r-badge:6px;
  --sh-card:0 6px 18px -8px rgba(18,53,43,.18);
  --sh-card-hover:0 14px 32px -12px rgba(18,53,43,.26);
  --sh-nav:0 2px 12px rgba(18,53,43,.08);
  --sh-img:0 10px 24px -10px rgba(18,53,43,.22);
  --bs-primary:#C94A22;
  --bs-primary-rgb:201,74,34;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#1C2420;
  --bs-border-color:#E4DED2;
  --bs-border-radius:8px;
  --bs-border-radius-lg:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:.01em;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(201,74,34,.35);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-ink{background:var(--c-ink);color:var(--ink-text);}
.section-ink h2,.section-ink h3{color:var(--ink-text);}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:30px;font-weight:600;line-height:1.4;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.section-lead{color:var(--text-sub);font-size:16px;line-height:1.85;max-width:760px;margin-top:14px;}

/* 顶部信息条 */
.topbar{background:var(--c-ink);color:var(--ink-text);font-size:13px;line-height:1;}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.topbar-hint{font-weight:600;color:var(--ink-text);}
.topbar-meta{display:flex;align-items:center;gap:14px;color:rgba(244,241,233,.72);flex:1 1 auto;}
.topbar-sep{width:1px;height:12px;background:var(--border-ink);display:inline-block;}
.topbar-btn{
  margin-left:auto;color:var(--ink-text);border:1px solid var(--c-primary-light);
  border-radius:var(--r-badge);padding:5px 12px;font-size:12px;line-height:1.2;
  min-height:24px;display:inline-flex;align-items:center;transition:all .2s ease-out;
}
.topbar-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;}
.site-nav{background:#fff;border-bottom:1px solid var(--border);min-height:68px;padding:0;transition:box-shadow .2s ease-out;}
.site-header.is-stuck .site-nav{box-shadow:var(--sh-nav);min-height:60px;}
.site-nav .container{display:flex;align-items:center;flex-wrap:wrap;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;line-height:1.2;}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-list{gap:32px;}
.site-nav .nav-link{
  font-size:16px;font-weight:500;color:var(--text);padding:22px 0;position:relative;line-height:1.4;
}
.site-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:transparent;
  border-radius:2px;transition:background .2s ease-out;
}
.site-nav .nav-link:hover{color:var(--c-primary);}
.site-nav .nav-link:hover::after{background:var(--c-primary);}
.site-nav .nav-link.active{color:var(--c-ink);font-weight:600;}
.site-nav .nav-link.active::after{background:var(--c-primary);}
.nav-cta{white-space:nowrap;}
.navbar-toggler{border:0;padding:8px;display:flex;flex-direction:column;gap:5px;justify-content:center;min-width:44px;min-height:44px;margin-left:auto;}
.navbar-toggler:focus{box-shadow:none;}
.toggler-bar{width:22px;height:2px;background:var(--c-ink);border-radius:2px;display:block;}

/* 按钮 */
.btn{font-weight:600;border-radius:var(--r-btn);transition:all .2s ease-out;min-height:44px;display:inline-flex;align-items:center;justify-content:center;}
.btn-primary{
  background:var(--c-primary);border:1px solid var(--c-primary);color:#fff;padding:12px 26px;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;
  transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(201,74,34,.7);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;background:var(--c-primary-dark);}
.btn-ghost{
  background:transparent;border:1.5px solid var(--c-ink);color:var(--c-ink);padding:11px 24px;
}
.btn-ghost:hover{background:var(--c-ink);color:var(--ink-text);border-color:var(--c-ink);}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(244,241,233,.5);color:var(--ink-text);padding:11px 24px;}
.btn-ghost-light:hover{background:var(--ink-text);color:var(--c-ink);border-color:var(--ink-text);}
.text-link{
  color:var(--c-primary);font-weight:600;font-size:15px;
  border-bottom:2px dashed var(--c-primary);padding-bottom:2px;display:inline-flex;align-items:center;gap:6px;
}
.text-link:hover{border-bottom-style:solid;color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark);}
.text-link i{font-size:12px;}

/* 面包屑 */
.crumb{font-size:14px;color:var(--text-muted);margin-bottom:12px;line-height:1.7;}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{margin:0 6px;color:var(--border);}
.crumb .current{color:var(--text);}

/* 分类头部 */
.cat-hero{padding:56px 0 48px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg-page) 100%);border-bottom:1px solid var(--border);}
.cat-hero h1{font-size:42px;font-weight:700;line-height:1.35;margin-bottom:18px;}
.cat-lead{color:var(--text-sub);font-size:17px;line-height:1.9;max-width:760px;margin-bottom:0;}
.hero-thumb{
  border-radius:var(--r-hero);overflow:hidden;aspect-ratio:16/9;border:1px solid rgba(18,53,43,.06);
  box-shadow:var(--sh-img);background:var(--bg-alt);
}
.hero-thumb img{width:100%;height:100%;object-fit:cover;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag{
  border:1px solid var(--c-green);color:var(--c-green);border-radius:var(--r-badge);
  font-size:12px;padding:3px 10px;line-height:1.7;background:#fff;
}
.tag-solid{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 锚点条 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--border);}
.anchor-inner{display:flex;flex-wrap:wrap;gap:28px;padding-top:14px;padding-bottom:14px;}
.anchor-inner a{
  font-size:15px;color:var(--text-sub);font-weight:500;padding-bottom:3px;
  border-bottom:2px solid transparent;transition:all .2s ease-out;
}
.anchor-inner a:hover{color:var(--c-green);border-bottom-color:var(--c-green);}

/* 深读条目 */
.deep-list{border-top:1px solid var(--border);}
.deep-item{
  display:flex;gap:48px;align-items:center;padding:44px 0;border-bottom:1px dashed var(--border);
}
.deep-item:last-child{border-bottom:0;}
.deep-item:nth-child(even){flex-direction:row-reverse;}
.deep-text{flex:1 1 50%;min-width:0;}
.deep-media{flex:1 1 50%;min-width:0;}
.deep-index{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary);font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.deep-text h3{font-size:22px;font-weight:600;line-height:1.45;margin-bottom:12px;}
.deep-text p{color:var(--text-sub);font-size:16px;line-height:1.9;margin-bottom:16px;max-width:560px;}
.media-frame{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;border:1px solid rgba(18,53,43,.06);
  box-shadow:var(--sh-card);background:var(--bg-alt);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.deep-item:hover .media-frame img{transform:scale(1.03);}

/* 数据条块 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:72px 0;}
.stat-block{border-left:1px solid var(--border-ink);padding-left:24px;}
.stat-block:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:40px;font-weight:700;color:var(--ink-text);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num span{font-size:20px;font-weight:600;margin-left:2px;color:var(--c-gold);}
.stat-label{font-size:14px;color:rgba(244,241,233,.7);line-height:1.7;margin-top:8px;}
.stat-note{font-size:13px;color:rgba(244,241,233,.55);border-top:1px solid var(--border-ink);padding-top:18px;}

/* 提示卡 */
.note-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-card);height:100%;
}
.note-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.note-card p{color:var(--text-sub);font-size:15px;line-height:1.8;margin:0;}
.note-icon{
  width:38px;height:38px;border-radius:10px;background:rgba(47,122,91,.1);color:var(--c-green);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}

/* FAQ */
.faq-wrap{max-width:860px;}
.accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
}
.accordion-button{
  background:#fff;color:var(--c-ink);font-size:17px;font-weight:600;padding:20px 24px;
  border-radius:var(--r-card)!important;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--bg-soft);color:var(--c-ink);box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(201,74,34,.18);border-color:var(--c-primary);}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:600;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;width:22px;height:22px;line-height:1;
  transform:none;transition:transform .2s ease-out;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{
  background:var(--bg-soft);color:var(--text-sub);font-size:15px;line-height:1.85;
  padding:4px 24px 22px;border-top:1px solid var(--border);
}

/* 列表要点 */
.plain-list li{
  position:relative;padding-left:20px;margin-bottom:10px;color:var(--text-sub);font-size:16px;line-height:1.85;
}
.plain-list li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-green);
}

/* CTA 条 */
.cta-bar{background:var(--c-ink);color:var(--ink-text);padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:var(--ink-text);font-size:24px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.cta-inner p{color:rgba(244,241,233,.72);font-size:15px;margin:0;max-width:620px;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:var(--ink-text);border-top:1px solid var(--border-ink);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-text);margin-bottom:14px;}
.footer-brand .brand-mark{color:var(--c-primary-light);}
.site-footer p{color:rgba(244,241,233,.7);font-size:14px;line-height:1.8;margin:0;}
.site-footer h4{font-size:15px;font-weight:600;color:var(--ink-text);margin-bottom:16px;}
.footer-list li{font-size:14px;color:rgba(244,241,233,.7);line-height:1.9;margin-bottom:8px;}
.footer-list a{color:rgba(244,241,233,.7);}
.footer-list a:hover{color:var(--c-primary-light);}
.footer-bottom{
  border-top:1px solid var(--border-ink);margin-top:40px;padding-top:20px;
  font-size:13px;color:rgba(244,241,233,.55);line-height:1.8;
}

@media (max-width:1199.98px){
  .cat-hero h1{font-size:34px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .cat-hero{padding:40px 0 36px;}
  .cat-hero h1{font-size:32px;}
  .hero-thumb{margin-top:24px;}
  .deep-item,.deep-item:nth-child(even){flex-direction:column;align-items:stretch;gap:24px;padding:32px 0;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:28px;padding:56px 0;}
  .stat-block:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .navbar-collapse{
    background:#fff;border-top:1px solid var(--border);margin-top:8px;padding:8px 0 20px;
    max-height:calc(100vh - 120px);overflow-y:auto;
  }
  .nav-list{gap:0;margin:0 0 16px!important;}
  .site-nav .nav-link{padding:14px 0;font-size:16px;}
  .site-nav .nav-link::after{bottom:8px;right:auto;width:28px;}
  .nav-cta{width:100%;}
  .topbar-meta{display:none;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:28px;}
  .section-head h2{font-size:22px;padding-left:14px;}
  .deep-text h3{font-size:19px;}
  .stat-num{font-size:32px;}
  .stat-row{grid-template-columns:1fr;gap:0;padding:48px 0;}
  .stat-block{border-left:0;padding:18px 0;border-top:1px solid var(--border-ink);}
  .stat-block:first-child{border-top:0;padding-top:0;}
  .cta-bar{padding:48px 0;}
  .cta-inner h2{font-size:21px;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .anchor-inner{gap:18px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:12px;}
  .anchor-inner a{white-space:nowrap;}
}
@media (max-width:575.98px){
  .topbar-inner{gap:12px;}
  .topbar-hint{font-size:12px;}
  .hero-thumb{aspect-ratio:auto;height:200px;}
  .deep-index{width:30px;height:30px;font-size:13px;}
}

/* roulang page: article */
:root{
  --brand:#C94A22;
  --brand-dark:#A93B18;
  --brand-light:#E8663A;
  --deep:#12352B;
  --bamboo:#2F7A5B;
  --gold:#E3B23C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --bg-soft:#FBF9F5;
  --card:#FFFFFF;
  --ink:#1C2420;
  --ink-2:#5B635E;
  --ink-3:#8A918C;
  --line:#E4DED2;
  --line-deep:rgba(244,241,233,.18);
  --on-deep:#F4F1E9;
  --r-btn:8px;
  --r-input:8px;
  --r-card:14px;
  --r-img:10px;
  --r-hero:18px;
  --r-badge:6px;
  --sh-card:0 6px 18px -8px rgba(18,53,43,.18);
  --sh-card-hover:0 14px 32px -12px rgba(18,53,43,.26);
  --sh-nav:0 2px 12px rgba(18,53,43,.08);
  --sh-img:0 10px 24px -10px rgba(18,53,43,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-primary:#C94A22;
  --bs-primary-rgb:201,74,34;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#1C2420;
  --bs-border-color:#E4DED2;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:1px solid rgba(18,53,43,.06);}
a{color:var(--bamboo);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
h1,h2,h3,h4{color:var(--deep);margin:0;}
p{margin:0 0 1.1em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media(min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--deep);color:var(--on-deep);font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:36px;padding-top:5px;padding-bottom:5px;}
.topbar-tip{white-space:nowrap;color:var(--on-deep);}
.topbar-meta{display:flex;align-items:center;gap:12px;color:rgba(244,241,233,.72);}
.topbar-sep{display:inline-block;width:1px;height:12px;background:rgba(244,241,233,.26);}
.topbar-btn{
  margin-left:auto;flex:0 0 auto;border:1px solid var(--brand-light);color:var(--on-deep);
  border-radius:6px;padding:3px 10px;font-size:12px;line-height:1.5;transition:all .2s ease-out;
}
.topbar-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.site-nav{padding:0;background:#fff;}
.site-nav .container{display:flex;align-items:center;flex-wrap:nowrap;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;padding:0;margin-right:20px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--deep);color:var(--gold);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:700;color:var(--deep);letter-spacing:.01em;line-height:1.2;}
.nav-list{gap:6px;}
.nav-link{
  position:relative;font-size:16px;font-weight:500;color:var(--ink);
  padding:22px 12px;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:15px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--deep);font-weight:600;}
.nav-cta{margin-left:16px;flex:0 0 auto;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px;
  display:flex;flex-direction:column;gap:4px;justify-content:center;align-items:center;min-width:44px;min-height:44px;
}
.navbar-toggler:focus{outline:none;box-shadow:0 0 0 3px rgba(201,74,34,.25);}
.toggler-bar{display:block;width:20px;height:2px;background:var(--deep);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:all .2s ease-out;cursor:pointer;text-align:center;
}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(18,53,43,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,74,34,.35);}
.btn-outline{background:transparent;border-color:var(--deep);color:var(--deep);}
.btn-outline:hover{border-color:var(--deep);background:var(--deep);color:var(--on-deep);}
.btn-outline:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,122,91,.28);}

/* ---------- 文章头部 ---------- */
.article-hero{padding:32px 0 0;background:var(--bg);}
.crumb{font-size:14px;color:var(--ink-3);margin-bottom:12px;display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);opacity:.7;}
.crumb .current{color:var(--ink);}
.article-title{
  font-size:32px;font-weight:700;line-height:1.4;letter-spacing:.01em;
  color:var(--deep);margin-bottom:16px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);padding-bottom:20px;border-bottom:1px solid var(--line);
}
.badge-cat{
  display:inline-block;border:1px solid var(--bamboo);color:var(--bamboo);
  border-radius:var(--r-badge);font-size:12px;padding:3px 8px;line-height:1.4;background:#fff;
}
.badge-cat.is-key{background:var(--brand);border-color:var(--brand);color:#fff;}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block;}

/* ---------- 正文阅读区 ---------- */
.article-wrap{padding:36px 0 80px;}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--ink);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:30px;font-weight:600;line-height:1.4;
  margin:2em 0 .6em;padding-left:16px;color:var(--deep);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:18px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:22px;font-weight:600;line-height:1.5;margin:1.6em 0 .5em;color:var(--deep);}
.article-body h4{font-size:18px;font-weight:600;line-height:1.55;margin:1.4em 0 .4em;color:var(--deep);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--bamboo);}
.article-body ol li::marker{color:var(--brand);font-weight:600;}
.article-body a{color:var(--brand);border-bottom:2px dashed currentColor;padding-bottom:1px;}
.article-body a:hover{border-bottom-style:solid;}
.article-body strong{font-weight:600;color:var(--deep);}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--bg-soft);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--sh-img);}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;border:1px solid var(--line);border-radius:10px;
}
.article-body thead th{background:var(--deep);color:var(--on-deep);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:var(--bg-soft);}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:2em 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;box-shadow:var(--sh-card);
}
.empty-state svg{width:60px;height:60px;color:var(--ink-3);margin:0 auto 16px;}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:20px;}

/* ---------- 标签与相关推荐 ---------- */
.article-foot{max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:40px 0 28px;}
.divider-line{height:1px;background:var(--line);margin-bottom:36px;}
.related{margin-bottom:36px;}
.related h2{font-size:22px;font-weight:600;margin-bottom:20px;padding-left:14px;position:relative;line-height:1.4;}
.related h2::before{content:"";position:absolute;left:0;top:.42em;width:4px;height:18px;border-radius:2px;background:var(--brand);}
.related-list{display:grid;gap:16px;}
.news-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--sh-card);transition:all .22s ease-out;color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:var(--brand);color:inherit;}
.news-thumb{
  flex:0 0 40%;width:40%;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--bg-alt);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border:none;transition:transform .24s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--deep);margin:6px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{font-size:13px;color:var(--ink-3);margin-top:auto;display:flex;align-items:center;gap:8px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--deep);
  border-bottom:2px dashed var(--brand);padding-bottom:2px;min-height:44px;
}
.back-link:hover{color:var(--brand);border-bottom-style:solid;}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--deep);color:var(--on-deep);padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:24px;font-weight:600;color:var(--on-deep);margin:0 0 8px;line-height:1.5;}
.cta-band p{margin:0;font-size:15px;color:rgba(244,241,233,.72);line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:var(--on-deep);padding:56px 0 24px;border-top:1px solid var(--line-deep);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid var(--line-deep);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--on-deep);margin-bottom:12px;}
.footer-brand .brand-mark{background:rgba(244,241,233,.08);color:var(--gold);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(244,241,233,.7);margin:0;}
.site-footer h4{font-size:15px;font-weight:600;color:var(--on-deep);margin-bottom:16px;letter-spacing:.02em;}
.footer-list{list-style:none;margin:0;padding:0;}
.footer-list li{margin-bottom:10px;font-size:14px;color:rgba(244,241,233,.7);line-height:1.7;}
.footer-list a{color:rgba(244,241,233,.72);}
.footer-list a:hover{color:var(--brand-light);}
.footer-bottom{font-size:13px;color:rgba(244,241,233,.55);padding-top:20px;line-height:1.8;}

/* ---------- 响应式 ---------- */
@media(max-width:1399.98px){
  .container{max-width:1200px;}
}
@media(max-width:1199.98px){
  .article-title{font-size:26px;}
  .article-body h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media(max-width:991.98px){
  .topbar-meta{display:none;}
  .site-nav .container{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;min-height:auto;}
  .navbar-collapse{flex-basis:100%;background:#fff;border-top:1px solid var(--line);margin-top:10px;padding:8px 0 16px;}
  .nav-list{gap:0;}
  .nav-link{padding:12px 4px;}
  .nav-link::after{left:4px;right:auto;width:28px;bottom:8px;}
  .nav-cta{width:100%;margin:12px 0 0;}
  .article-wrap{padding:28px 0 64px;}
}
@media(max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .article-title{font-size:22px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:22px;margin-top:1.8em;}
  .article-body h3{font-size:18px;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:20px;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media(max-width:575.98px){
  .topbar-inner{min-height:32px;}
  .topbar-tip{font-size:12px;}
  .news-card{flex-direction:column;}
  .news-thumb{width:100%;flex:0 0 auto;}
  .brand-text{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --brand:#C94A22;
  --brand-light:#E8663A;
  --brand-dark:#A93B18;
  --ink:#12352B;
  --bamboo:#2F7A5B;
  --gold:#E3B23C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --bg-soft:#FBF9F5;
  --card:#FFFFFF;
  --dark-text:#F4F1E9;
  --text:#1C2420;
  --text-2:#5B635E;
  --text-3:#8A918C;
  --line:#E4DED2;
  --line-dark:rgba(244,241,233,.18);
  --r-btn:8px;
  --r-card:14px;
  --r-img:10px;
  --r-hero:18px;
  --r-badge:6px;
  --sh-card:0 6px 18px -8px rgba(18,53,43,.18);
  --sh-card-hover:0 14px 32px -12px rgba(18,53,43,.26);
  --sh-nav:0 2px 12px rgba(18,53,43,.08);
  --sh-img:0 10px 24px -10px rgba(18,53,43,.22);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-body-bg:#F7F4EE;
  --bs-body-color:#1C2420;
  --bs-border-radius:14px;
  --bs-border-radius-sm:8px;
  --bs-primary:#C94A22;
  --bs-primary-rgb:201,74,34;
  --bs-link-color:#C94A22;
  --bs-link-hover-color:#A93B18;
  --bs-border-color:#E4DED2;
  --bs-body-font-size:17px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  font-weight:400;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font-family:inherit;font-size:100%}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.4}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(201,74,34,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:var(--dark-text);font-size:13px;min-height:36px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:36px}
.topbar-hint{font-weight:600;letter-spacing:.02em}
.topbar-meta{display:flex;align-items:center;gap:14px;color:rgba(244,241,233,.72)}
.topbar-meta span{position:relative;padding-left:14px}
.topbar-meta span:first-child{padding-left:0}
.topbar-meta span+span::before{content:"";position:absolute;left:0;top:50%;width:1px;height:12px;transform:translateY(-50%);background:rgba(244,241,233,.28)}
.topbar-btn{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 12px;border:1px solid var(--brand-light);border-radius:var(--r-badge);
  color:var(--dark-text);font-size:13px;white-space:nowrap;transition:background-color .2s ease-out,color .2s ease-out;
}
.topbar-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line)}
.site-nav{position:relative;padding:0;background:#fff}
.site-nav .container{display:flex;align-items:center;flex-wrap:wrap;min-height:68px;gap:12px}
.navbar-brand.brand{
  display:inline-flex;align-items:center;gap:10px;padding:0;margin:0;
  color:var(--ink);font-size:18px;font-weight:700;letter-spacing:.01em;
}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--brand)}
.brand-text{white-space:nowrap}
.navbar-toggler{
  margin-left:auto;border:1px solid var(--line);border-radius:8px;padding:9px 10px;
  background:#fff;display:inline-flex;flex-direction:column;gap:4px;box-shadow:none!important;
}
.toggler-bar{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.navbar-collapse{flex:1 1 auto}
.nav-list{display:flex;align-items:center;gap:32px;margin:0 auto}
.nav-link{
  position:relative;padding:22px 0;font-size:16px;font-weight:500;color:var(--text-2);
  background:none;transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.btn.btn-primary.nav-cta{
  padding:11px 22px;font-size:15px;font-weight:600;border:0;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;white-space:nowrap;transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn.btn-primary.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(18,53,43,.45)}

/* ===== 面包屑 ===== */
.crumb-bar{padding:20px 0 0}
.crumb{font-size:14px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C4BDB0}
.crumb .now{color:var(--text)}

/* ===== 分类头部 ===== */
.cat-head{padding:26px 0 40px;background:linear-gradient(180deg,#FFFFFF 0%,rgba(255,255,255,0) 100%)}
.cat-head-top{display:flex;align-items:flex-end;justify-content:space-between;gap:36px}
.cat-head h1{font-size:42px;font-weight:700;letter-spacing:.01em;line-height:1.35;color:var(--ink)}
.cat-desc{margin:18px 0 0;max-width:760px;color:var(--text-2);font-size:16px;line-height:1.9}
.cat-meta{
  flex:0 0 auto;font-size:13px;color:var(--text-3);padding-bottom:8px;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.cat-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--bamboo)}
.cat-rule{margin-top:26px;width:72px;height:3px;border-radius:2px;background:var(--brand)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:600;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand)}
.section-lead{color:var(--text-2);font-size:16px;margin-top:14px;max-width:760px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:2px dashed rgba(201,74,34,.55);padding-bottom:2px;line-height:1.6;
  min-height:44px;align-items:center;transition:border-color .2s ease-out,color .2s ease-out;
}
.text-link:hover{border-bottom-style:solid;color:var(--brand-dark)}
.text-link::after{content:"→";font-size:14px}

/* ===== 卡片网格 ===== */
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.qa-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:var(--brand)}
.qa-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);position:relative}
.qa-thumb img{width:100%;height:100%;object-fit:cover;border-bottom:1px solid rgba(18,53,43,.06);transition:transform .24s ease-out}
.qa-card:hover .qa-thumb img{transform:scale(1.03)}
.qa-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 8px;
  border:1px solid var(--bamboo);border-radius:var(--r-badge);color:var(--bamboo);
  font-size:12px;line-height:1;background:rgba(47,122,91,.05);
}
.badge-tag.is-key{background:var(--brand);border-color:var(--brand);color:#fff}
.qa-body h3{font-size:18px;font-weight:600;line-height:1.55}
.qa-body h3 a{color:var(--ink)}
.qa-card:hover .qa-body h3 a{color:var(--brand)}
.qa-body p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qa-body .text-link{margin-top:auto;font-size:14px;min-height:0;padding-bottom:2px}

/* ===== 要点条 ===== */
.point-strip{background:var(--bg-alt);padding:64px 0}
.point-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.point-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-card);display:flex;gap:16px;align-items:flex-start;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.point-item:hover{transform:translateY(-2px);border-color:var(--brand)}
.point-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;border:2px solid var(--brand);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.point-item p{margin:0;font-size:14px;line-height:1.75;color:var(--text-2)}

/* ===== 表格资料 ===== */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.faq-table{width:100%;border-collapse:collapse;min-width:680px}
table.faq-table th,table.faq-table td{
  padding:18px 22px;text-align:left;font-size:15px;line-height:1.8;border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.faq-table thead th{background:var(--ink);color:var(--dark-text);font-weight:600;font-size:15px;letter-spacing:.02em;border-bottom:0}
table.faq-table tbody tr:nth-child(even){background:var(--bg-soft)}
table.faq-table tbody tr:last-child td{border-bottom:0}
table.faq-table td:first-child{color:var(--ink);font-weight:600}
table.faq-table td:nth-child(2){color:var(--text-2)}
table.faq-table td:last-child{color:var(--bamboo)}
.table-note{padding:14px 22px;font-size:13px;color:var(--text-3);background:var(--bg-soft);border-top:1px solid var(--line)}

/* ===== 互链卡 ===== */
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cross-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:var(--brand)}
.cross-card h3{font-size:19px;font-weight:600}
.cross-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0}
.cross-card .text-link{margin-top:auto;font-size:14px;min-height:0}
.cross-icon{
  width:42px;height:42px;border-radius:10px;background:rgba(47,122,91,.1);color:var(--bamboo);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}

/* ===== CTA 条 ===== */
.cta-band{background:var(--ink);color:var(--dark-text);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:var(--dark-text);font-size:24px;font-weight:600;margin-bottom:8px}
.cta-inner p{color:rgba(244,241,233,.7);font-size:14px;margin:0}
.btn.btn-primary.cta-btn{
  padding:13px 30px;font-size:16px;font-weight:600;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;border:0;transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn.btn-primary.cta-btn:hover{background:var(--brand-light);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(0,0,0,.6)}
.btn.btn-outline-ink{
  padding:12px 26px;font-size:15px;font-weight:600;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.btn.btn-outline-ink:hover{background:var(--ink);color:var(--dark-text)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--dark-text);padding:64px 0 24px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid var(--line-dark)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--dark-text);margin-bottom:14px}
.site-footer p{color:rgba(244,241,233,.68);font-size:14px;line-height:1.8;margin:0}
.site-footer h4{color:var(--dark-text);font-size:15px;font-weight:600;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a,.footer-list span{color:rgba(244,241,233,.72);font-size:14px;display:inline-block;padding:2px 0;transition:color .2s ease-out}
.footer-list a:hover{color:var(--brand-light)}
.footer-bottom{padding-top:20px;font-size:13px;color:rgba(244,241,233,.55)}

/* ===== 响应式 ===== */
@media (min-width:1400px){
  .container{max-width:1280px}
}
@media (max-width:1199.98px){
  .cat-head h1{font-size:34px}
  .section{padding:64px 0}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .topbar-meta{display:none}
  .site-nav .container{min-height:60px}
  .navbar-toggler{display:inline-flex}
  .navbar-collapse{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    border-top:1px solid var(--line);box-shadow:var(--sh-nav);z-index:1050;
    padding:8px 20px 24px;max-height:calc(100vh - 100px);overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;margin:0}
  .nav-link{padding:15px 0;border-bottom:1px dashed var(--line);font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand)}
  .btn.btn-primary.nav-cta{display:block;width:100%;text-align:center;margin-top:18px;padding:14px 22px}
  .cat-head{padding:16px 0 32px}
  .cat-head-top{flex-direction:column;align-items:flex-start;gap:14px}
  .cat-head h1{font-size:30px}
  .cat-meta{padding-bottom:0}
  .qa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .point-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:56px 0}
  .section{padding:56px 0}
  .point-strip{padding:48px 0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .qa-grid{grid-template-columns:1fr}
  .point-row{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:22px}
  .cat-head h1{font-size:28px}
  .cat-desc{font-size:15px}
  .section{padding:48px 0}
  .point-strip{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .btn.btn-primary.cta-btn{width:100%;text-align:center}
  .topbar{min-height:32px}
  .topbar-inner{min-height:32px}
  .topbar-hint{font-size:12px}
}
@media (max-width:575.98px){
  .qa-body{padding:20px}
  .qa-body h3{font-size:17px}
  table.faq-table th,table.faq-table td{padding:14px 16px;font-size:14px}
}